796 results on '"Cataldo P"'
Search Results
2. Clinical Translation and Implementation of a Bioartificial Pancreas Therapy: A Qualitative Study Exploring the Perspectives of People With Type 1 Diabetes
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Dide de Jongh, MSc, Silke Lapré, BSc, Behiye Özcan, MD, PhD, Robert Zietse, MD, PhD, Eline M. Bunnik, PhD, Emma K. Massey, PhD, the VANGUARD consortium, Ekaterine Berishvili, Laura Mar Fonseca, Fanny Lebreton, Kevin Bellofatto, Juliette Bignard, Jochen Seissler, Leila Wolf-van Buerck, Mohsen Honarpisheh, Yichen Zhang, Yutian Lei, Monika Pehl, Antonia Follenzi, Christina Olgasi, Alessia Cucci, Chiara Borsotti, Simone Assanelli, Lorenzo Piemonti, Antonio Citro, Silvia Pellegrini, Cataldo Pignatelli, Francesco Campo, Olivier Thaunat, Morgane Fouché, Devi Mey, Chiara Parisotto, Giovanna Rossi, Patrick Kugelmeier, Markus Mühlemann, Karolina Pal-Kutas, Marco Cavallaro, Julia Götz, and Jeanette Müller
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Surgery ,RD1-811 - Abstract
Background. The development of a hybrid beta-cell replacement approach, referred to as a personalized, transplantable bioartificial pancreas (BAP), holds promise to treat type 1 diabetes (T1D). This interview study aimed to explore patients’ expectations, needs, concerns, and considerations when considering to undergo a BAP transplantation. Research Design and Methods. Semistructured interviews were conducted with 24 participants diagnosed with T1D. Data collection stopped once data saturation was reached. Audio recordings of the interviews were transcribed verbatim. The interviews were independently analyzed by 2 researchers. A qualitative content analysis using an inductive approach was used. Results. Three main themes emerged as follow: (1) hoped-for benefits, (2) concerns and decision-making considerations, and (3) procedural aspects. First, the participants expected benefits across medical, psychological, and social domains. Over these 3 domains, 9 subthemes were identified, including improved clinical outcomes, a cure for diabetes, more headspace, emotional relief, a shift in responsibility, protection of privacy, improved flexibility in daily life, less visible diseases, and improved relationships with others. Second, concerns and considerations about undergoing a BAP transplant comprised adverse events, the functionality of the BAP, the surgery procedure, the biological materials used, the transplant location, and the intrusiveness associated with follow-up care. Finally, procedural considerations included equitable access, patient prioritization, and trust and control. Conclusions. Incorporating insights from this study into the clinical development and implementation of the BAP is crucial to ensure alignment of the product and procedures with the needs and expectations of people with T1D.
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- 2024
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3. A Multidisciplinary Approach Is Beneficial in Atopic Dermatitis
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Paolo Amerio, Silvia Mariel Ferrucci, Marco Galluzzo, Maddalena Napolitano, Alessandra Narcisi, Anna Levi, Sara Di Fino, Chiara Palladino, Cataldo Patruno, and Mariateresa Rossi
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Moderate-to-severe atopic dermatitis ,Multidisciplinary approach ,Holistic care ,Dermatology ,RL1-803 - Abstract
Abstract Atopic dermatitis (AD) is a highly heterogeneous chronic inflammatory skin disorder that is frequently associated with a plethora of comorbidities. AD is, therefore, considered a systemic disease impacted by a considerable burden and leading to poor quality of life, especially in patients with moderate-to-severe disease. Since atopic and non-atopic comorbidities can further worsen the disease course, accurate establishment of the patient’s individual intrinsic risk profile and needs is crucial and may help in guiding the selection of the best treatment option. Better quality of care for patients with AD can be delivered through a multidisciplinary team led by a dermatologist, for comprehensive patient management. The implementation of a multidisciplinary approach for AD could enhance the delivery of optimised and safe treatments, improve the standard of care and patient outcomes in the short and long term, and prevent or delay the lifelong impact of uncontrolled AD. Understanding the unmet needs, assessing correctly the patient risk profile and enhancing the shared patient–physician decision-making process can lead to disease control and quality-of-life improvement, especially in the context of the introduction of newer treatment for AD. This narrative review is a call for more data to establish standardised patient profiles and multidisciplinary strategies in AD management. In view on the fast-evolving treatments for AD, this review aims at highlighting the importance of a multidisciplinary approach to a comprehensive assessment and holistic care in patients with moderate-to-severe AD.
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- 2024
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4. Clinical and economic burden of respiratory syncytial virus in children aged 0–5 years in Italy
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Melania Dovizio, Chiara Veronesi, Fausto Bartolini, Arturo Cavaliere, Stefano Grego, Romina Pagliaro, Cataldo Procacci, Loredana Ubertazzo, Lorenzo Bertizzolo, Barbara Muzii, Salvatore Parisi, Valentina Perrone, Eugenio Baraldi, Elena Bozzola, Fabio Mosca, and Luca Degli Esposti
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Children ,Monoclonal antibodies ,Infants ,Prevention of RSV ,Real-world evidence ,Respiratory syncytial virus ,Pediatrics ,RJ1-570 - Abstract
Abstract Background Respiratory syncytial virus (RSV) is among the leading causes of hospitalization due to lower respiratory tract infections (LRTIs) in children younger than 5 years worldwide and the second cause of infant death after malaria. RSV infection occurs in almost all the infants before the second year of life with variable clinical severity, often requiring medical assistance. This analysis investigated patients aged 0–5 years with RSV infection focusing on epidemiology, clinical features, and economic burden of RSV-associated hospitalizations in a setting of Italian real clinical practice. Methods An observational retrospective analysis was conducted on administrative databases of healthcare entities covering around 2.6 million residents of whom 120,000 health-assisted infants aged
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- 2024
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5. Head–neck melanoma: Clinical, histopathological and prognostic features of an Italian multicentric study
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Giusy Schipani, Steven P. Nisticò, Pietro Quaglino, Simone Ribero, Giuseppe Gallo, Vincenzo Maione, Giampiero Girolomoni, Paolo Rosina, Mauro Alaibac, Francesco Messina, Alessandro Gatti, Giuseppe Stinco, Cinzia Buligan, Sara Bassoli, Francesca Farnetani, Alessandro Borghi, Davide Melandri, Riccardo Sirna, Luca Feci, Stefano Simonetti, Luca Stingeni, Annamaria Offidani, Valerio Brisigotti, Anna Campanati, Stefano Calvieri, Giulia Spallone, Elisabetta Botti, Vincenzo Panasiti, Gianluca Pagnanelli, Massimiliano Scalvenzi, Gabriella Fabbrocini, Claudia Costa, Vincenzo Schirripa, Francesco Borgia, Laura Atzori, Elisabetta Scali, Maria Passante, Fabrizio Guarneri, and Cataldo Patruno
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head–neck melanoma ,location of melanoma ,Dermatology ,RL1-803 ,Diseases of the genitourinary system. Urology ,RC870-923 - Abstract
Abstract Background Primitive location of melanoma could be a relevant prognostic factor. As regards the scalp, some studies indicate a particularly aggressive biological behaviour for this anatomical localisation. Objectives In this multicentric study, data regarding head–neck melanoma (HNM) have been revised. Methods The design of the study included two main phases. In this retrospective study, data regarding HNM have been collected and analysed. Results In summary, our data suggest that the posterior neck is the area most affected by thicker melanomas. Cheeks and neck melanoma are associated with reduced disease‐free years of life and overall survival compared with all other sites of HNM. Conclusions This study provides useful information in defining the clinical features of HNM, thus improving diagnosis and treatment strategies.
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- 2024
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6. Preliminary Assessment of Macrobenthos Associated with Red Coral Corallium rubrum (Linnaeus, 1758) Populations in the Northeastern Ionian Sea
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Maria Mercurio, Giuseppe Corriero, Guadalupe Anahi Giménez, Marco Dadamo, and Cataldo Pierri
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Corallium rubrum ,Ionian Sea ,megabenthos ,MPA ,Taranto ,red coral ,Naval architecture. Shipbuilding. Marine engineering ,VM1-989 ,Oceanography ,GC1-1581 - Abstract
The taxonomic composition, structure, and distribution patterns of the macrobenthos associated with Corallium rubrum were studied along the coast of Taranto (Ionian Sea), together with the main features of their red coral population. Underwater video transects were performed by professional divers at three sites in correspondence with coralligenous formations at depths from 50 to 65 m. The results revealed a patchy distribution of red coral, with colonies predominantly located in cavities on sub-vertical cliffs and large boulders. Biometric analysis indicated that young colonies predominated at all sites, while older colonies were lacking, likely because of illegal harvesting. The lower density values were recorded at S1, while S2 and S3 presented higher values. A total of 76 taxa were recorded. S1, the shallowest site, showed a prevalence of calcareous algae, while S2 and S3 showed a greater abundance of filter-feeding invertebrates (Porifera and Cnidaria) with the highest presence of Porifera at S3. The results emphasize the heterogeneity of the macrobenthos together with the high vulnerability of the red coral population, highlighting the necessity of site-specific conservation strategies to contribute to the conservation and management of benthic ecosystems in the northern Ionian Sea.
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- 2024
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7. Case Report: Role of numerical simulations in the management of acute aortic syndromes
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Antonio Rizza, Vincenzo Castiglione, Katia Capellini, Cataldo Palmieri, Emanuele Gasparotti, Sergio Berti, and Simona Celi
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penetrating aortic ulcer ,acute aortic syndrome ,aortic endograft ,numerical simulations ,computational fluid dynamics ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Penetrating aortic ulcer (PAU) represents a subset of acute aortic syndromes characterized by high rupture risk and management challenges, particularly in elderly patients with significant comorbidities. This case report showcases a 75-year-old patient with a history of coronary artery bypass graft (CABG) and with multiple PAUs involving the aortic arch, deemed unfit for conventional open surgery. A branched aortic endograft with a pre-cannulated side component for the left subclavian artery (LSA) was employed to preserve the patency of the previous CABG. Two computational fluid dynamics (CFD) simulations and a morphological analysis were performed on the pre- and post-intervention aortic configurations to evaluate changes in flow rate and pressure drop at LSA level and differences in the lumen size. The results revealed a decrease in the flow rate equal to 2.38% after the intervention and an increase in pressure drop of 4.48 mmHg, while the maximum differences in LSA cross-sectional areas and diameters were 1.49 cm2 and 0.64 cm, respectively. Minimal alteration in LSA blood flow due to the chosen intervention approach confirmed the effectiveness of the selected unibody design endograft with LSA preservation, ensuring myocardial perfusion. Therefore, CFD simulations demonstrate to be a powerful tool to evaluate the hemodynamic consequences of interventions by accurately estimating the main fluid dynamic parameters.
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- 2024
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8. Blockchain-Backed Sustainable Management of Italian Tomato Processing Industry
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Sajid Safeer and Cataldo Pulvento
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blockchain ,tomato industry ,supply chain ,sustainability ,smart contract ,Agriculture (General) ,S1-972 - Abstract
This study addresses significant concerns highlighted by the European Parliament regarding the decline of the Italian tomato processing industry, which possess a threat to Italy’s culinary heritage and global market position. This research offers a solution that leverages blockchain technology to enhance transparency, traceability and operational efficiency within the tomato supply chain. By integrating Solidity, Remix IDE, MetaMask wallet and Sepolia Testnet, our proposed model establishes a robust blockchain-based smart-contract system. This system actively engages cultivators, wholesalers, retailers and end-users facilitating seamless real-time updates across the entire supply chain. Implementing this model in key tomato-producing regions such as Apulia, utilizing platforms like Mainnet or Hyperledger Fabric, aims to stabilize the industry. Furthermore, this study promotes automating smart contracts, integrating IoT devices and developing decentralized applications (DApps). This strategy ensures transparency for end-users, enhances organic food availability and mitigates contamination risks. This study also recommends government involvement to upgrade transportation and storage facilities, aiming to reduce post-harvest losses. This research establishes the groundwork for the sustainable management of the Italian tomato processing industry.
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- 2024
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9. A Bibliometric Analysis of Chickpea Agronomic Practices in the World During 45 Years of Scientific Research
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Claudio Calia, Cataldo Pulvento, Mohamed Houssemeddine Sellami, Luigi Tedone, Claudia Ruta, and Giuseppe De Mastro
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agronomic practices ,bibliometric analysis review ,Cicer arietinum L ,Plant culture ,SB1-1110 - Abstract
ABSTRACT Chickpea (Cicer arietinum L.) cultivation practices underwent significant transformation in recent decades due to advancements in scientific knowledge and the need for sustainable, productive farming systems. In this study, a bibliometric analysis of scientific publications from 1977 to 2023 on chickpea agronomic practices was conducted, revealing critical insights. India, as the world's leading chickpea producer, plays a pivotal role, not only in production but also as a significant contributor to scholarly research and international collaborations. The choice of journals for publication is found to influence research impact. Analysis of research trends using co‐occurrence networks of keywords reveals evolving focuses, with a recent shift towards qualitative aspects, such as protein content and nutritional quality, as well as sustainable agricultural practices. The study also emphasizes the necessity for further research on chickpea quality characteristics, strategies to mitigate antinutritional factors, yield optimization, and the impact of climate change on chickpea cultivation. Ultimately, chickpea cultivation research holds great promise in contributing to global food security and environmental sustainability. This bibliometric analysis provides a comprehensive overview of chickpea cultivation research and offers valuable insights for researchers, policymakers, and stakeholders as they navigate the future of sustainable agriculture and the quest for protein‐rich food production while minimizing the environmental footprint.
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- 2024
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10. Long-term efficacy and safety of secukinumab in real life: a 240 weeks multicenter study from Southern Italy
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Stefano Dastoli, Maria Passante, Francesco Loconsole, Edoardo Mortato, Anna Balato, Vincenzo Piccolo, Claudio Guarneri, Laura Macca, Eugenio Provenzano, Giancarlo Valenti, Domenico D’Amico, Giuseppe Micali, Maria Letizia Musumeci, Giovanni Palazzo, Caterina Foti, Paolo Romita, Gabriella Fabbrocini, Matteo Megna, Ilaria Sammarra, Luigi Bennardo, and Cataldo Patruno
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biologic drugs ,long-term therapy ,psoriasis area and severity index (pasi) ,real-world ,secukinumab ,Dermatology ,RL1-803 - Abstract
Background Long-term real-life data on secukinumab use in psoriasis are limited. Objectives Determine the long-term effectiveness of secukinumab in moderate-to-severe psoriasis in real-life. Methods Multicenter retrospective study analyzing data from adult patients treated with secukinumab for at least 192 weeks and up to 240 weeks in Southern Italy, between 2016 and 2021. Clinical data, including concurrent comorbidities and prior treatments were collected. Effectiveness was assessed by Psoriasis Area and Severity Index (PASI), Body Surface Area (BSA), Dermatology Life Quality Index (DLQI) scores at the initiation of secukinumab and at weeks 4, 12, 24, 48, 96, 144, 192, and 240. Results Two hundred and seventy-five patients (174 males), mean age 50.80 ± 14.78 years, were included; 29.8% had an uncommon localization, 24.4% psoriatic arthritis, 71.6% comorbidities. PASI, BSA, and DLQI improved significantly from week 4 and continued to improve over time. Between weeks 24 and 240, PASI score was mild (≤10) in 97–100% of patients, 83–93% had mild affected BSA (BSA ≤ 3), and 62–90% reported no effect of psoriasis on their quality of life (DLQI 0–1). Only 2.6% of patients reported adverse events and no patient discontinued the treatment during the study period. Conclusions Secukinumab effectiveness in the long-term treatment of psoriasis is confirmed in real-world.
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- 2023
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11. A 52-week multicenter retrospective real-world study on effectiveness and safety of dupilumab in children with atopic dermatitis aged from 6 to 11 years
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Cataldo Patruno, Gabriella Fabbrocini, Giuseppe Lauletta, Valeria Boccaletti, Cristiana Colonna, Riccardo Cavalli, Iria Neri, Michela Ortoncelli, Donatella Schena, Luca Stingeni, Katharina Hansel, Vincenzo Piccolo, Veronica Di Brizzi, Concetta Potenza, Ersilia Tolino, Luca Bianchi, Sara Manti, Rocco De Pasquale, Vito Di Lernia, Lucia Caminiti, Elena Galli, Paola Coppo, Andrea Chiricozzi, Clara De Simone, Cristina Guerriero, Fabrizio Giuseppe Amoruso, Eugenio Provenzano, Salvatore Leonardi, Amelia Licari, Gian Luigi Marseglia, Antonino Palermo, Sabrina Di Pillo, Daniele Russo, Viviana Moschese, Vincenzo Patella, Tiziana Peduto, Caterina Ferreli, Paola Zangari, Federica Veronese, Samantha Federica Berti, Michaela Gruber, Elena Pezzolo, Stefania Termine, Rosanna Satta, Federica Dragoni, Maria Esposito, Maria Concetta Fargnoli, Paolo Chiodini, Ylenia Vallone, Francesca di Vico, Vincenzo Picone, and Maddalena Napolitano
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atopic dermatitis ,children ,dupilumab ,real-world data ,Dermatology ,RL1-803 - Abstract
Background: Dupilumab has been shown to be a safe and effective drug for the treatment of atopic dermatitis (AD) in children from 6 months to 11 years in randomized clinical trials. Aim: The aim of this real-life study was to determine the effectiveness in disease control and safety of dupilumab at W52 in moderate-to-severe AD children aged 6-11 years. Methods: All data were collected from 36 Italian dermatological or paediatric referral centres. Dupilumab was administered at label dosage with an induction dose of 300 mg on day 1 (D1), followed by 300 mg on D15 and 300 mg every 4 weeks (Q4W). Treatment effect was determined as overall disease severity, using EASI, P-NRS, S-NRS and c-DLQI at baseline, W16, W24, and W52. Ninety-six AD children diagnosed with moderate-to-severe AD and treated with dupilumab were enrolled. Results: Ninety-one (94.8%) patients completed the 52-week treatment period and were included in the study. A significant improvement in EASI score, P-NRS, S-NRS and c-DLQI was observed from baseline to weeks 16, 24 and 52. Conclusions: Our real-life data seem to confirm dupilumab effectiveness and safety in paediatric patients. Moreover, our experience highlighted that patients achieving clinical improvement at W16 preserved this condition over time.
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- 2023
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12. Alien and native species in Italian marine and transitional waters
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Cristina Di Muri, Tamara Lazic, Ilaria Rosati, Cataldo Pierri, Angela Boggero, Giuseppe Corriero, and Alberto Basset
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non-indigenous species ,introduced species ,biodiv ,Biology (General) ,QH301-705.5 - Abstract
Biological invasions are one of the major threats to the ecosystem structure and functioning. After the initial introduction, frequently mediated by human activities, alien species can overcome different biogeographical and ecological barriers and determine severe impacts on native biodiversity and socio-economic activities. The Italian peninsula is located at the intersection of large trade routes within the Mediterranean Sea. Such position, along with the intense commercial activity and the high population density of the Italian coast, are considered important drivers of alien species in Italian marine and transitional ecosystems. The Italian peninsula, however, is also one of the regions with the highest native species richness within the Mediterranean Sea and, therefore, it is crucial to account for both alien and native species diversity when estimating the impact of biological invasion. Yet, such comprehensive information is frequently scattered across several biodiversity information systems and databases.Here, two datasets with alien and native species records in Italian marine and transitional waters are described. These datasets, created for the LifeWatch Italy case study on alien species, are the result of a large-scale collaboration involving experts working across the whole range of taxonomic diversity. The marine dataset includes a total of 12,219 records belonging to 3,772 species gathered from 91 investigated sites and seven EUNIS habitats. The dataset on transitional waters biodiversity includes 3,838 records belonging to 2,019 species found in 23 locations and four EUNIS habitats. Alien species were recorded in both marine and transitional waters, accounting respectively for 140 and 171 biological records belonging to 59 and 97 species. These occurrence data can be used for further research studies or management purposes, including the evaluation of the invasion risk and the formulation of alien species control and management plans. Furthermore, these compiled datasets can be used as input data for the Biotope vulnerability case study of LifeWatch ERIC, which offers a number of ICT services for the calculation of the incidence and of the impact of alien species on European biotopes.
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- 2023
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13. A Dataset of Benthic Species from Mesophotic Bioconstructions on the Apulian Coast (Southeastern Italy, Mediterranean Sea)
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Maria Mercurio, Guadalupe Giménez, Giorgio Bavestrello, Frine Cardone, Giuseppe Corriero, Jacopo Giampaoletti, Maria Flavia Gravina, Cataldo Pierri, Caterina Longo, Adriana Giangrande, and Carlotta Nonnis Marzano
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Benthos ,scleractinian reefs ,oyster reefs ,mesophotic zone ,southern Adriatic Sea ,Bibliography. Library science. Information resources - Abstract
Marine bioconstructions are complex habitats that represent a hotspot of biodiversity. Among Mediterranean bioconstructions, those thriving on mesophotic bottoms on southeastern Italian coasts are of particular interest due to their horizontal and vertical extension. In general, the communities that develop in the Mediterranean twilight zone encompassed within the first 30 m of depth are better known, while relatively few data are available on those at greater depths. By further investigating the diversity and structure of mesophotic bioconstructions in the southern Adriatic, we can improve our understanding of Mediterranean biodiversity while developing effective conservation strategies to preserve these habitats of particular interest. The dataset reported here comprises records of benthic marine taxa from algae and invertebrate mesophotic bioconstructions investigated at six sites along the southern Adriatic coast of Italy, at depths between approximately 25 and 65 m. The dataset contains a total of 1718 records, covering 11 phyla and 648 benthic taxa, of which 580 were recognized at the species level. These data could provide a reference point for further investigations with descriptive or management purposes, including the possible assessment of mesophotic bioconstructions as refuges for shallow-water species.
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- 2024
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14. Vitiligo during dupilumab therapy
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Vincenzo Picone, MD, Maddalena Napolitano, MD, Ginevra Torta, MD, Gabriella Fabbrocini, MD, PhD, and Cataldo Patruno, MD, PhD
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atopic dermatitis ,dupilumab ,vitiligo ,Dermatology ,RL1-803 - Published
- 2023
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15. Cropping practices of globe artichoke: a bibliometric study
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Donato Stea, Mohamed Houssemeddine Sellami, Claudia Ruta, Cataldo Pulvento, and Giuseppe De Mastro
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Cynara cardunculus L. var. scolymus (L.) Fiori ,keywords co-occurrence analysis ,agronomic practices ,co-citation analysis ,bibliometric analysis ,Nutrition. Foods and food supply ,TX341-641 ,Food processing and manufacture ,TP368-456 - Abstract
Globe artichoke is a food plant that is gaining increasing interest due to its commercial, nutritional and therapeutic value; research and development in the field of agriculture for this crop encompasses several key areas to enhance cultivation, productivity, and overall sustainability. In this study a bibliometric analysis of literature has been carried out in order to identify research areas and research gaps in cropping management of globe artichoke under field conditions, and to identify new research opportunities. The analysis revealed that published articles on the agronomic practices of globe artichoke under field conditions, is concentrated in Europe (70.56%), followed by North America (10%) and South America (7.22%). On the vastly arid Australian continent, there is a dearth of such studies. Italy, Spain and USA, were the most productive countries in the globe artichoke research field. The analysed papers have also shown that agronomic practices such as irrigation (wastewater and brackish water), fertilization, diseases management and plant breeding are the most studied cropping practices that affect artichoke yield and head quality. Finally, this study highlights the importance of integrating innovative methods like meta-analysis to gain a more holistic comprehension of how agricultural practices impact globe artichoke and to lays the groundwork for future research endeavours.
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- 2023
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16. Directed self-assembly of a xenogeneic vascularized endocrine pancreas for type 1 diabetes
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Antonio Citro, Alessia Neroni, Cataldo Pignatelli, Francesco Campo, Martina Policardi, Matteo Monieri, Silvia Pellegrini, Erica Dugnani, Fabio Manenti, Maria Chiara Maffia, Libera Valla, Elisabeth Kemter, Ilaria Marzinotto, Cristina Olgasi, Alessia Cucci, Antonia Follenzi, Vito Lampasona, Eckhard Wolf, and Lorenzo Piemonti
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Science - Abstract
Cell therapy for diabetes requires the combination of bioengineering and new sources of beta cells. Here, the authors report a self-assembly platform based on neonatal pig islets, human endothelial cells and native organ extracellular matrix, which improves ex vivo islet maturation and in vivo function in a mouse model of diabetes.
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- 2023
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17. Life-threatening paradoxical thromboembolism in a patient with patent foramen ovale
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Antonio Rizza, Francesco Negro, Tommaso Gasbarri, Roberto Arpesani, Baldassare Ferro, Paolo Roncucci, Cataldo Palmieri, Simone Sorbo, Emilio Maria Pasanisi, Marco Solinas, and Sergio Berti
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Pulmonary embolism ,Deep vein thrombosis ,Patent foramen ovale ,Paradoxical embolization ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Abstract Background Venous thromboembolism represents the third most frequent acute cardiovascular syndrome worldwide. Its clinical manifestations are deep vein thrombosis and/or pulmonary embolism. Despite a considerable mortality, diagnosis is often missed. Case presentation We report the management of a female patient with high-risk pulmonary thromboembolism treated initially with thromboaspiration, complicated by embolus jailing in a patent foramen ovale. In this situation, left cardiac chambers and systemic circulation were jeopardized by this floating embolus. Conclusions High-risk pulmonary embolism requires reperfusion strategy but sometimes mechanical thromboaspiration may be not fully successful; transesophageal echocardiography led to a prompt diagnosis of this unexpected finding; in this very particular case, open surgery represented a bail-out procedure to avoid cerebral and systemic embolism.
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- 2022
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18. Different behavioral strategies of two sympatric seahorses: habitat availability and increased density of Hippocampus guttulatus alter the behavior of Hippocampus hippocampus
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Davide Spatafora, Michele Gristina, Federico Quattrocchi, Cataldo Pierri, Tamara Lazic, and Jorge Palma
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behavioral plasticity ,Hippocampus guttulatus ,Hippocampus hippocampus ,climate change ,seahorse ,coastal habitat ,Science ,General. Including nature conservation, geographical distribution ,QH1-199.5 - Abstract
In the light of future ocean warming scenarios and habitat fragmentation, coastal fishes must adjust their physiological and behavioral traits to face the combined effect of global warming and ecological interactions. Seahorses (Hippocampus spp.) are charismatic fishes with peculiar life cycle traits, which make them vulnerable to several anthropic pressures and natural disturbances. In this study, we investigated the behavior of two sympatric seahorse species, the long-snouted Hippocampus guttulatus (Cuvier, 1829) and the short-snouted Hippocampus hippocampus (Linnaeus, 1758). Specifically, we carried out two manipulative experiments to assess (i) the effect of temperature and habitat availability on both H. hippocampus and H. guttulatus behavior and (ii) the effect of temperature and an increased density of H. guttulatus (by 3×) on the activity level of congeneric species H. hippocampus. Our results showed that +3°C warming did not affect seahorse behavior in both experiments, suggesting greater behavioral tolerance to thermal variation. However, a significant reduction of the active behavior of H. hippocampus was observed when the artificial habitat was introduced in the tank, while H. guttulatus maintained its activity. Furthermore, a significant decrease of the H. hippocampus activity was observed with an increased relative dominance of H. guttulatus. Our results suggest that both increased density of H. guttulatus and habitat availability, but not ocean warming, will affect the behavior of H. hippocampus. Therefore, different interspecific behavioral strategies may occur, thus affecting the distribution of the two species among shallow habitats when they occur in sympatry.
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- 2023
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19. The hidden sentinel of the skin: An overview on the role of interleukin-13 in atopic dermatitis
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Maddalena Napolitano, Francesca di Vico, Angelo Ruggiero, Gabriella Fabbrocini, and Cataldo Patruno
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atopic dermatitis (AD) ,interleukin-13 ,pathogenesis ,type 2 inflammation ,review ,Medicine (General) ,R5-920 - Abstract
Recent evidence suggests that interleukin (IL)-13 is a crucial cytokine involved in the pathogenesis of atopic dermatitis (AD). It is a central driver of type-2 T-helper inflammation and is overexpressed in lesional skin of AD patients. Upon release in peripheral skin, IL-13 activates its receptors, recruits inflammatory cells, and modifies the skin microbiome. IL-13 also reduces the expression of epidermal barrier proteins and activates sensory nerve mediating the itch transmission signal. Novel therapeutics that target IL-13 seem to be efficacious and safe for the treatment of patients with moderate-to-severe AD. The aim of our manuscript is to review the role that IL-13 plays in AD immunopathogenesis.
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- 2023
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20. Hippocampus guttulatus diet based on DNA metabarcoding
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Lazic Tamara, Bruno Fosso, Balech Bachir, Corriero Giuseppe, Gristina Michele, Marzano Marinella, Pesole Graziano, Santamaria Monica, and Cataldo Pierri
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seahorses ,Hippocampus guttulatus ,diet ,syngnathidae ,Mar Piccolo of Taranto ,DNA metabarcoding ,Science ,General. Including nature conservation, geographical distribution ,QH1-199.5 - Abstract
Seahorses are small sedentary fish considered flagship species of the conservation efforts. They are particularly vulnerable to human pressures because inhabiting threatened coastal ecosystems. Indeed, the worldwide decline of local populations in the last decades led to the inclusion of all seahorse species on the IUCN Red List, where most species, including Hippocampus guttulatus, were classified as ‘‘Data Deficient’’ on a global level due to the lack of relative data on several biological and ecological traits. Because of such sensitive conservation status, improvement of the current knowledge on the diet composition of wild animals and its differences among habitats could be of great importance as it could help understanding the way the environment is exploited. In the present study, we used a non-invasive DNA metabarcoding technique to further elucidate long-snouted seahorse diet and expand our understanding of prey choice among different habitats. We identified 24 families, 22 genera and 26 species, and according to the results, most of the seahorse samples contained taxa such as Amphipoda, Decapoda, Isopoda, and Mysida. Several non-native species were discovered in the diet, suggesting their dietary incorporation that could mirror high anthropogenic impacts and habitat modifications. We found significant differences in the diet composition among investigated habitats, thus indicating trophic flexibility of H. guttulatus among diverse habitats, a characteristic that may be essential for the resilience of this iconic yet sensitive species.
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- 2023
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21. Establishment of an Efficient In Vitro Propagation Protocol for Cannabis sativa L. subsp. ruderalis Janish
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Giuseppe N. Basile, Luigi Tedone, Cataldo Pulvento, Giuseppe De Mastro, and Claudia Ruta
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Finola ,hemp ,auto-flowering ,clonal propagation ,micropropagation ,Plant culture ,SB1-1110 - Abstract
Cannabis sativa L., subsp. ruderalis Janish., ‘Finola’ is a dioecious cultivar of Finnish origin. This cultivar is very interesting because its cultivation cycle lasts less than 3 months. The aim of this study was to define an efficient micropropagation protocol to ensure in vitro multiplication and rooting and in vivo acclimatization. Two different explant sources were tested: seed-derived in vitro explants and nodal segments containing axillary buds from selected mother plants. Shoot proliferation was tested on different growth media enriched with cytokinin alone or cytokinin in combination with auxins. Among all combinations, the best results were obtained by combining the Basal Medium (BM—a Murashige and Skoog modified medium) with sucrose (20 g L−1), thidiazuron (TDZ 0.4 mg L−1), and 1-naphthalenacetic acid (NAA 0.2 mg L−1). Regarding rooting induction, the plants developed an extensive root system under red/blue lights on BM enriched with sucrose (30 g L−1) and indol-3 butyric acid (0.1 mg L−1), which allowed the survival of more than 90 percent of the plantlets once transplanted into the climate-controlled greenhouse.
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- 2023
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22. Characteristics and Drug Utilization of Patients with Hereditary Angioedema in Italy, a Real-World Analysis
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Elisa Giacomini, Melania Leogrande, Valentina Perrone, Margherita Andretta, Marcello Bacca, Alessandro Chinellato, Andrea Ciaccia, Mariarosaria Cillo, Renato Lombardi, Daniela Mancini, Romina Pagliaro, Maurizio Pastorello, Cataldo Procacci, and Luca Degli Esposti
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HAE ,administrative databases ,danazol ,long-term prophylaxis ,Medicine - Abstract
This real-world analysis investigated the characteristics and treatment patterns of patients with hereditary angioedema (HAE) in Italy using the administrative data of health units across Italy. Patients were identified via exemption code or HAE-specific treatments (thus, all known forms, type I, II and, III, were included). The index date was that of first prescription of HAE treatments within the inclusion period (01/2010–06/2021) or of the date of exemption. The number of HAE patients included was 148 (43.2% male, mean age 43.3 years). Gastrointestinal disorders affected 36.5% patients, hypertension affected 28.4%, hypercholesterolemia affected 11.5%, and depression affected 9.5%. The frequent gastrointestinal involvement was further confirmed by the use of antiemetics and systemic antihistamines that doubled after the index date. Among patients enrolled by treatment (n = 125), n = 105 (84%) were receiving a treatment for acute attacks. This analysis provided insights into the characterization of patients with HAE and their management in Italian clinical practice, suggesting that an unmet therapeutic need could be present for such patients in terms of the clinical burden.
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- 2023
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23. Life-cycle traits in the demosponge Hymeniacidon perlevis in a land-based fish farm
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Maria Mercurio, Caterina Longo, Cataldo Pierri, Frine Cardone, Giuseppe Corriero, Tamara Lazic, Walter Zupa, and Pierluigi Carbonara
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Hymeniacidon perlevis ,Life-cycle ,Growth performances ,Lan-based fish farm ,Medicine ,Biology (General) ,QH301-705.5 - Abstract
Background The demosponge Hymeniacidon perlevis is characterized by wide geographic distribution and great adaptability to numerous and highly variable climatic and hydrological conditions. Indeed, the species can colonize many different environments, including several unusual ones, such as concrete drainage conduits of a marine land-based fish farm plant. This research aimed to enhance existing knowledge on the reproductive cycle and growth performance of H. perlevis while also evaluating the impact of a controlled supply of trophic resources, wastewater flow and constant water temperature on these biological traits. Methods Specimens included in this one-year study inhabited drainage conduits of a land-based fish farm. The approach included measurements of sponge biomass and occurrence and abundance of reproductive elements across different seasons and environmental parameters, such as fish biomass, trophic resources, and wastewater flow. Sponge growth and reproductive elements, including oocytes, spermatic cysts, and embryos, were measured monthly in sponges positioned in the drainage conduit, thus with different trophic resources but with constant water temperature. Finally, we used generalized additive models to describe variables that contribute the most to the growth of sponges. Results Growth performance showed marked variations during the study period. The highest increase in sponge volume was observed from August/September to January/March. The volume of sponges was principally determined by the reduction of reared fish biomass and the increase of pellet amount and wastewater flow. Sponge specimens exhibited an active state during the entire study, as proven by the occurrence of recruits. However, sexual elements were only sporadically observed, thus not permitting the recognition of a true sexual cycle. Discussion The results of the present study confirmed that H. perlevis exhibits high flexibility and adaptability to the differential, and somewhat extreme, environmental conditions. Indeed, this species can live, grow and reproduce in the drainage conduits of the fish farm, where the species face constant darkness, water temperature and continuous nutritional supply. In such conditions, H. perlevis display an active state during the entire year, while avoiding stages of decline and long dormancy usually observed in wild populations. It seems plausible that stable environmental conditions induce an almost continuous sexual phase, probably under the control of endogenous factors. No asexual elements were detected, although it was impossible to exclude the contribution of asexual reproduction in the origin of the newly settled sponges, which were repeatedly detected throughout the study. The growth performance seemed linked to the fish farm conditions, thus providing useful indications on the best maintenance conditions for H. perlevis in land-based integrated multitrophic systems, where the species could be used for wastewater treatment.
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- 2023
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24. Safety evaluation of Datopotamab deruxtecan for triple-negative breast cancer: a meta-analysis
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Gennaro Gadaleta-Caldarola, Laura Lanotte, Stefania Infusino, Arianna Gadaleta-Caldarola, Francesca Matilde Schipilliti, Claudia Citrigno, Cataldo Petrarota, Antonio Cusmai, and Alessandro Rizzo
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Breast cancer ,Triple-negative breast cancer ,Antibody drug conjugates ,Datopotamab deruxtecan ,Dato-Dxd ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Background: TROP-2 is emerging as a valid and fruitful strategy in triple-negative breast cancer (TNBC) patients, and several agents are currently under evaluation, including Datopotamab deruxtecan (Dato-DXd). Research design and methods: Herein, we performed a meta-analysis aimed to evaluate any grade adverse events, grade 3-4 adverse events, dose reduction, and serious adverse events in TNBC patients treated with Dato-DXd in clinical trials. Results: The pooled results suggests that Dato-DXd is associated with a favorable safety profile: while any grade treatment-related toxicities were common, grade 3-4 events were not particularly frequent and mainly represented by stomatitis (13.88%; 95% CI, 10.68 – 17.09). Conclusions: These findings may help to comprehensively define the safety profile of Dato-DXd and to assist in the design of future clinical trials in this setting.
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- 2023
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25. Quality of life in patients with allergic and immunologic skin diseases: in the eye of the beholder
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Ester Di Agosta, Lorenzo Salvati, Monica Corazza, Ilaria Baiardini, Francesca Ambrogio, Luisa Angileri, Elettra Antonelli, Federica Belluzzo, Domenico Bonamonte, Laura Bonzano, Raffaele Brancaccio, Paolo Custurone, Aurora De Marco, Aikaterini Detoraki, Adriana Di Guida, Elisabetta Di Leo, Marta Fantò, Filippo Fassio, Silvia Mariel Ferrucci, Caterina Foti, Rosella Gallo, Alessia Gatta, Fabrizio Guarneri, Lucia Guidolin, Katharina Hansel, Donatella Lamacchia, Carla Lombardo, Paola Lucia Minciullo, Maddalena Napolitano, Alessandro Pannofino, Andrea Paravisi, Roberta Parente, Maria Passante, Cataldo Patruno, Diego Peroni, Cristina Quecchia, Natale Schettini, Giuseppe Spadaro, Luca Stingeni, Daniele Tarrini, Marta Tramontana, Eustachio Nettis, and Oliviero Rossi
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Quality of life ,Atopic dermatitis ,Allergic contact dermatitis ,Hereditary angioedema ,Cutaneous mastocytosis ,Urticaria ,Immunologic diseases. Allergy ,RC581-607 - Abstract
Abstract Allergic and immunologic skin diseases negatively impact the quality of life (QoL) of affected patients with detrimental consequences. Nonetheless, in everyday clinical practice the evaluation of QoL is often overlooked. Considering the increasing prevalence of atopic dermatitis, allergic contact dermatitis, hereditary angioedema, cutaneous mastocytosis, and urticaria, it is essential to determine the effects of allergic and immunologic skin diseases on QoL. A joint meeting (GET TOGETHER 2021) of the Italian Society of Allergology, Asthma and Clinical Immunology (SIAAIC) and the Italian Society of Allergological, Occupational and Environmental Dermatology (SIDAPA) aimed to summarize the features of the main QoL tools used in these diseases and to describe the extent of QoL impairment as well as the impact of treatments on QoL, particularly biologic therapies. The assessment of QoL in patients with allergic and immunologic skin diseases relies on generic, organ-specific and disease-specific questionnaires. While generic and organ-specific questionnaires allow comparison between different diseases, disease-specific questionnaires are designed and validated for specific cohorts: the QoL Index for Atopic Dermatitis (QoLIAD) and the Childhood Atopic Dermatitis Impact Scale (CADIS) in atopic dermatitis, the ACD-11 in allergic contact dermatitis, the Angioedema QoL Questionnaire (AE-QoL) and the Hereditary Angioedema QoL questionnaire (HAE-QoL) in hereditary angioedema, the Mastocytosis QoL Questionnaires (MCQoL e MQLQ) in cutaneous mastocytosis, and the Chronic Urticaria QoL questionnaire (CU-Q2oL) in urticaria. Among the many factors that variably contribute to QoL impairment, pruritus can represent the leading cause of patient discomfort. Biologic therapies significantly ameliorate QoL in atopic dermatitis, hereditary angioedema, mastocytosis and chronic urticaria. In general, adequate management strategies are essential for improving QoL in patients with allergic and immunologic skin diseases.
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- 2021
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26. Competing charge density wave phases in YNiC2
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Roman, Marta, Di Cataldo, Simone, Stöger, Berthold, Reisinger, Lisa, Morineau, Emilie, Kolincio, Kamil K., and Michor, Herwig
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Condensed Matter - Strongly Correlated Electrons ,Condensed Matter - Materials Science - Abstract
Charge density wave (CDW) orders in YNiC2 are studied by means of combined experimental and computational techniques. On the experimental side, single crystals grown by the floating-zone method were examined by means of X-ray diffraction, as well as transport and thermal techniques. Density functional theory (DFT) calculations founded on the experimentally determined parent and CDW-modified crystal structures provide details of electronic and phononic structures as well as electron-phonon coupling and resolve changes inflicted upon entering the different CDW phases. Thereby, contrasting effects of subsequently emerging CDW states characterized by incommensurate q_{1ic} and commensurate q_{2c} modulation vectors are revealed. The former state, on-setting below T_{1ic}~ 305 K, weakly modifies the electronic structure by opening an almost isotropic gap on a minor part of the Fermi surface (FS). The latter phase, which takes over below T_{2c}~ 272 K has a more pronounced impact on physical properties via a decomposition of larger parts of the FS. These dissimilar behaviors are directly reflected in the electronic transport anisotropy, which is significantly weakened in the q_{2c}-type CDW state. As revealed by our DFT studies, CDW phases are very close in energy and their origin is directly related to the anisotropy of electron-phonon coupling, which is linked to a specific orbital character of related FS sheets. Specific heat and thermal expansion studies reveal a nearly reversible first-order phase transition at around T_{2c}~ 272 K, where both CDW phases co-exist within a T-interval of about 10 K., Comment: Manuscript with 15 pages and 11 figures; Supplemental Material with 10 pages and 9 figures
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- 2024
27. Experimental Pathways for Detecting Double Superionicity in Planetary Ices
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de Villa, Kyla, Gonzalez-Cataldo, Felipe, and Militzer, Burkhard
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Astrophysics - Earth and Planetary Astrophysics ,Astrophysics - Instrumentation and Methods for Astrophysics ,Condensed Matter - Materials Science - Abstract
The ice giant planets Uranus and Neptune are assumed to contain large amounts of planetary ices such as water, methane, and ammonia. The properties of mixtures of such ices at the extreme pressures and temperatures of planetary interiors are not yet well understood. Ab initio computer simulations predicted that a number of ices exhibit a hydrogen superionic state and a doubly superionic state [DOI: 10.1038/s41467-023-42958-0]. Since the latter state has not yet been generated with experiments, we outline here two possible pathways for reaching and detecting such a state with dynamic compression experiments. We suggest X-ray diffraction as the principal tool for detecting when the material becomes doubly superionic and the sublattice of one of the heavy nuclei melts. That would require a temperature of $\sim$3500 K and pressures greater than $\sim$200 GPa for H$_3$NO$_4$, which we use as an example material here. Such conditions can be reached with experiments that employ an initial shock that is followed by a ramp compression wave. Alternatively, one may use triple-shock compression because a single shock does not yield sufficiently high densities., Comment: 8 pages, 5 figures, proceedings for the 2024 High Energy Density Laboratory Astrophysics (HEDLA) Meeting
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- 2024
28. Generative AI for Overall Mission Effectiveness at the Habitable Worlds Observatory
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Shabram, Megan, McClelland, Ryan, Wu, John, Venkataram, Hamsa Shwetha, Segars, Heidi, Dean, Bruce, Ye, Christine, Moin, Aquib, Ansdell, Megan, Moussa, Mark, Rebbapragada, Umaa, Valizadegan, Hamed, Perini, Dominick, Ko, Glenn, Da Poian, Victoria, Gharib-Nezhad, Sam, and Cataldo, Giuseppe
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
Here we present several use cases for using Generative AI (Gen AI) to improve systems engineering and cognitive knowledge management related to the future of astronomy from a culmination of working meetings and presentations as part of the Gen AI Task Group for the NASA Habitable Worlds Observatory (HWO) Science and Technology Architecture Review Team (START) AI/ML Working Group. Collectively, our group mission statement is "Where is the Human-in-the-loop as Gen AI systems become more powerful and autonomous?" with an emphasis on the ethical applications of Gen AI, guided by using these systems to remove drudgery from human work while simultaneously increasing opportunities for humans to experience more collective creativity and innovation. The HWO mission stands to benefit dramatically from generative models for different data types including text, time series/spectra, and image data. These cover a wide range of applications in science and engineering for HWO, including: mission development acceleration, data analysis and interpretation, enhancing imaging capabilities, anomaly detection, predictive modeling and simulation, data augmentation for machine learning, instrument calibration and optimization, public engagement and education, and assisting in mission planning. As an example, through sensitivity analysis of simulated exoplanet population science data sets of various generative model complexity, we can reverse engineer the measurement uncertainty requirements for HWO instruments to produce data that can constrain population models and thus inform HWO design requirements. This approach to HWO design is one example of a strategy that can ensure that HWO remains AI-ready. Through presenting herein a combination of visionary ideas balanced with grounded validated use case examples, we aim to support the development of a long-term strategy to keep HWO AI-ready as it moves forward., Comment: Lack of guidelines for submitting work that came out of the HWO START TAG working groups.
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- 2024
29. A method for the automatic generation of a minimal basis set of structural templates for material phase-space exploration
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Annweiler, Caja, Di Cataldo, Simone, Haverkort, Maurits W., and Boeri, Lilia
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Condensed Matter - Materials Science ,Condensed Matter - Superconductivity - Abstract
We present a novel method for predicting binary phase diagrams through the automatic construction of a minimal basis set of representative templates. The core assumption is that any materials space can be divided into a small number of regions with similar chemical tendencies and bonding properties, and that a minimal set of templates can efficiently represent the key chemical trends across the different regions. By combining data-driven techniques with ab-initio crystal structure prediction, we can efficiently partition the materials space and construct templates reflecting variations in chemical behavior. Preliminary results demonstrate that our method predicts binary convex hulls with accuracy comparable to resource-intensive EA searches, while achieving a significant reduction in computational time (by a factor of 25). The method can be extended to ternary and multinary systems, enabling efficient high-throughput exploration and mapping of complex material spaces. By providing a transformative solution for high-throughput materials discovery, our approach paves the way for uncovering advanced quantum materials and accelerating in silico design., Comment: 5 figures, 2 tables, 11 pages
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- 2024
30. VARADE: a Variational-based AutoRegressive model for Anomaly Detection on the Edge
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Mascolini, Alessio, Gaiardelli, Sebastiano, Ponzio, Francesco, Dall'Ora, Nicola, Macii, Enrico, Vinco, Sara, Di Cataldo, Santa, and Fummi, Franco
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Computer Science - Machine Learning ,Computer Science - Artificial Intelligence - Abstract
Detecting complex anomalies on massive amounts of data is a crucial task in Industry 4.0, best addressed by deep learning. However, available solutions are computationally demanding, requiring cloud architectures prone to latency and bandwidth issues. This work presents VARADE, a novel solution implementing a light autoregressive framework based on variational inference, which is best suited for real-time execution on the edge. The proposed approach was validated on a robotic arm, part of a pilot production line, and compared with several state-of-the-art algorithms, obtaining the best trade-off between anomaly detection accuracy, power consumption and inference frequency on two different edge platforms.
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- 2024
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31. Superfluid-tight cryogenic receiver with continuous sub-Kelvin cooling for EXCLAIM
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Dahal, Sumit, Ade, Peter A. R., Anderson, Christopher J., Barlis, Alyssa, Barrentine, Emily M., Beeman, Jeffrey W., Bellis, Nicholas, Bolatto, Alberto D., Braianova, Victoria, Breysse, Patrick C., Bulcha, Berhanu T., Cataldo, Giuseppe, Colazo, Felipe A., Chevres-Fernandez, Lee-Roger, Cho, Chullhee, Chmaytelli, Danny S., Connors, Jake A., Costen, Nicholas P., Cursey, Paul W., Ehsan, Negar, Essinger-Hileman, Thomas M., Glenn, Jason, Golec, Joseph E., Hays-Wehle, James P., Hess, Larry A., Jahromi, Amir E., Jenkins, Trevian, Kimball, Mark O., Kogut, Alan J., Kramer, Samuel H., Leung, Nicole, Lowe, Luke N., Mauskopf, Philip D., McMahon, Jeffrey J., Mikula, Vilem, Mirzaei, Mona, Moseley, Samuel H., Mugge-Durum, Jonas W., Nellis, Jacob, Noroozian, Omid, Okun, Kate, Oxholm, Trevor, Parekh, Tatsat, Pen, Ue-Li, Pullen, Anthony R., Rahmani, Maryam, Ramirez, Mathias M., Roberson, Cody, Rodriguez, Samelys, Roselli, Florian, Sapkota, Deepak, Shire, Konrad, Siebert, Gage L., Siddique, Faizah, Sinclair, Adrian K., Somerville, Rachel S., Stephenson, Ryan, Stevenson, Thomas R., Switzer, Eric R., Termini, Jared, Timbie, Peter T., Trenkamp, Justin, Tucker, Carole E., Visbal, Elijah, Volpert, Carolyn G., Watson, Joseph, Weeks, Eric, Wollack, Edward J., Yang, Shengqi, and Yung, Aaron
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
The EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM) is a balloon-borne telescope designed to survey star formation over cosmological time scales using intensity mapping in the 420 - 540 GHz frequency range. EXCLAIM uses a fully cryogenic telescope coupled to six on-chip spectrometers featuring kinetic inductance detectors (KIDs) to achieve high sensitivity, allowing for fast integration in dark atmospheric windows. The telescope receiver is cooled to $\approx$ 1.7 K by immersion in a superfluid helium bath and enclosed in a superfluid-tight shell with a meta-material anti-reflection coated silicon window. In addition to the optics and the spectrometer package, the receiver contains the magnetic shielding, the cryogenic segment of the spectrometer readout, and the sub-Kelvin cooling system. A three-stage continuous adiabatic demagnetization refrigerator (CADR) keeps the detectors at 100 mK while a $^4$He sorption cooler provides a 900 mK thermal intercept for mechanical suspensions and coaxial cables. We present the design of the EXCLAIM receiver and report on the flight-like testing of major receiver components, including the superfluid-tight receiver window and the sub-Kelvin coolers., Comment: 13 pages, 7 figures, 1 table
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- 2024
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32. Abundance, Distribution, and Habitat Preference of Syngnathid Species in Sabaudia Lake (Tyrrhenian Sea)
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Tamara Lazic, Cataldo Pierri, Giuseppe Corriero, Maria Flavia Gravina, Michele Gristina, Miriam Ravisato, and Armando Macali
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Syngnathidae ,pipefishes ,seahorses ,Mediterranean ,conservation ,Biology (General) ,QH301-705.5 - Abstract
Syngnathids are considered flagship species of estuarine and coastal environments. However, most of the Mediterranean species are still classified as data-deficient (DD) at a global level according to the IUCN Red List of Threatened Species. In central Italy, several areas host potentially suitable habitats for syngnathids but have not been previously reported in the literature; the estimation of population parameters and habitat partitioning at these sites may help to assess their conservation status. In this study, we investigated the abundance, distribution, and habitat preferences of sympatric populations of Hippocampus hippocampus, H. guttulatus, Syngnathus abaster, and Nerophis ophidion in Sabaudia Lake (Tyrrhenian Sea, Italy). While confirming the primary importance of a healthy coastal habitat, we retrieved hints about species ecology and habitat use. The species distribution in the study area highlights the role of habitat complexity in supporting local populations of these sensitive species.
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- 2023
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33. New Perspectives in Sustainable Aquaculture
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Caterina Longo and Cataldo Pierri
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n/a ,Naval architecture. Shipbuilding. Marine engineering ,VM1-989 ,Oceanography ,GC1-1581 - Abstract
The strong growth of the aquaculture industry can represent a serious threat to aquatic ecosystems and requires the development of new strategies to control and minimize the impact of such activities on the structure and function of biological communities [...]
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- 2023
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34. A system of marine animal bioconstructions in the mesophotic zone along the Southeastern Italian coast
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Frine Cardone, Giuseppe Corriero, Caterina Longo, Cataldo Pierri, Guadalupe Gimenez, Maria Flavia Gravina, Adriana Giangrande, Stefania Lisco, Massimo Moretti, Francesco De Giosa, Maria Mercurio, and Carlotta Nonnis Marzano
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marine bioconstructions ,mesophotic zone ,macrobenthic taxa ,central Mediterranean Sea ,Ostreida ,Scleractinia ,Science ,General. Including nature conservation, geographical distribution ,QH1-199.5 - Abstract
A widespread and diversified mesophotic system of carbonate bioconstructions along the Southern Adriatic and Ionian Italian coasts is described, providing new data on the distribution, structure and associated megabenthic assemblages of mesophotic Mediterranean bioconstructions. The bioconstructions were detected at six different sites off the coasts of Apulia, in presence of marked morphological escarpments, developing on a basal substrate consisting of meso-Cenozoic carbonate rocks. Two biogenic structure types were observed, one mainly built by the nonsymbiotic scleractinians Phyllangia americana mouchezii and Polycyathus muellerae, at depths between approximately 35 and 55 m, and the other by the oyster Neopycnodonte cochlear, at depths from approximately 40 to 70 m. A total of 52 taxa of megabenthic invertebrates, belonging to 6 phyla, were found on the surface of the mesophotic bioconstructions, thus confirming the role of biodiversity hotspots of these carbonate structures. Megabenthic assemblages showed a remarkable heterogeneity both in pattern of species and abundance, probably depending on both the morphological differences of the seabed and the life traits of the single species. Primary bioconstructors seemed to influence the associated community pattern. This peculiar system deserves sound conservation measures in the light of the holistic ecosystem approach for the management of coastal marine areas.
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- 2022
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35. Variability in Productive and Biochemical Traits of Vicia faba L. Landraces from Apulia Region (South Italy)
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Francesca De Cillis, Claudia Ruta, Cataldo Pulvento, Luigi Tedone, and Giuseppe De Mastro
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faba bean ,landraces ,grain production ,proteins ,total phenols ,total flavonoids ,Plant culture ,SB1-1110 - Abstract
The faba bean (Vicia faba L. var. major) is a pulse that is garnering attention for its chemical composition, which makes it suitable for a healthy diet. The Apulian germplasm is rich in local accessions at risk of genetic erosion, which need evaluating and promoting. Thirteen Vicia faba local Landraces have been analyzed in relation to their productivity and their chemical and biochemical characteristics: their protein, total phenol, total flavonoid, condensate tannin and L-DOPA levels. The results showed great variability—above all in the thousand-seeds weight and in their content of proteins and L-DOPA. Among the accessions evaluated, the two collected from the most southern area of the region (FV12-FV10) were particularly promising—both for their good biochemical traits and, especially, for the higher L-DOPA content (0.46 and 0.49 g 100 g−1 d.m., respectively), even when expressed in terms of yield per plant (116.3 and 153.0 mg plant−1 d.m., respectively).
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- 2023
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36. Microbial and Qualitative Traits of Quinoa and Amaranth Seeds from Experimental Fields in Southern Italy
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Anna Reale, Maria Cristina Messia, Cataldo Pulvento, Antonella Lavini, Stefania Nazzaro, and Tiziana Di Renzo
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pseudocereals ,spore-forming bacteria ,Bacillus spp. ,PCR-DGGE ,rope spoilage ,bread ,Chemical technology ,TP1-1185 - Abstract
Quinoa and amaranth are of special interest since they are increasingly used for the development of new bakery products with enhanced nutritional value. The aim of the study was to evaluate the agronomic, microbiological, and nutritional characteristics of quinoa and amaranth seeds grown in Southern Italy. For this reason, quinoa Titicaca and three amaranth accessions (5, 12, and 14) were cultivated in different experimental fields in the Campania Region and analyzed for the cultivation aspects, chemical composition, and microbiological quality of the seeds. All seeds showed a good adaptability to cultivation in the experimental areas of the Mediterranean basin. Quinoa seeds were characterized by their higher protein, fat, and ash content than the amaranth seeds, which were characterized by their higher value in dietary fiber. All seeds, regardless of the geographical area of production, were contaminated with yeasts, moulds, and spore-forming bacteria, mainly Bacillus cereus, B. licheniformis, B. safensis and B. subtilis, as identified by 16S rRNA sequencing analysis. So, the detection of Bacillus spp. must be strongly monitored, as quinoa and amaranth seeds could be used in bread production, where they can cause ropiness, resulting in great economic losses for the industries.
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- 2023
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37. Biofouling Role in Mariculture Environment Restoration: An Example in the Mar Grande of Taranto (Mediterranean Sea)
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Daniele Arduini, Jacopo Borghese, Maria Flavia Gravina, Roberta Trani, Caterina Longo, Cataldo Pierri, and Adriana Giangrande
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biodiversity ,artificial hard substrates ,mariculture ,fouling ,macrobenthic invertebrates ,Mediterranean Sea ,Science ,General. Including nature conservation, geographical distribution ,QH1-199.5 - Abstract
The biodiversity of macrobenthic invertebrates of two artificial hard substrates close to a mariculture plant was assessed in order to understand the effect on the fouling community of an innovative Integrated Multi-Trophic Aquaculture (IMTA) system. The examined hard substrates were (i) vertical bare collectors that are placed around the cages as new colonizable substrates, which were investigated from the early colonization and (ii) artificial hard substrates already present under the cages analyzed over time to observe changes due to the action on the water column by filter feeder organisms colonizing the above vertical collectors. Overall, 186 taxa were collected (both the substrates), of which 99 as sessile habitat-former or structuring macroinvertebrates and 87 as associated fauna, mostly vagile forms. On the vertical collectors 121 taxa were collected, among which 44 sessile structuring species and 77 vagile-associated taxa; on the artificial hard substrates under the cages, 124 taxa were identified, 95 belong to the first category and 29 as associated taxa. The two analyzed substrates shared 43% of sessile species (40) and 22% of associated species (19). At the end of the first year of experimentation, the study revealed Sabella spallanzanii and mussels as the most abundant taxa. Lastly, the communities under the cages showed an increase in biodiversity after the placement of collectors. The changes were attributed to the decrease in particulate matter originating as wastes from the breeding cage, which was intercepted by the filter feeder community developed on the vertical collectors.
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- 2022
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38. Closing in on possible scenarios for infinite-layer nickelates: comparison of dynamical mean-field theory with angular-resolved photoemission spectroscopy
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Si, Liang, Jacob, Eric, Wu, Wenfeng, Hausoel, Andreas, Krsnik, Juraj, Worm, Paul, Di Cataldo, Simone, Janson, Oleg, and Held, Karsten
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Condensed Matter - Superconductivity ,Condensed Matter - Materials Science ,Condensed Matter - Strongly Correlated Electrons - Abstract
Conflicting theoretical scenarios for infinite-layer nickelate superconductors have been hotly debated, particularly regarding whether {only} a single Ni-3$d_{x^2-y^2}$ band is relevant at low energies besides electron pockets or whether multi-orbital physics including Ni-3$d_{z^2}$ is instead essential. The first scenario has emerged from density-functional theory plus dynamical mean-field theory (DFT+DMFT) calculations. Comparing the previous DFT+DMFT spectra to recent angular-resolved photoemission spectroscopy (ARPES) experiments, we find excellent agreement for both the Fermi surface and the strongly renormalized quasi-particle bands, supporting the first scenario. Our key findings further suggest that the "waterfalls" observed in ARPES might emerge from the quasi-particle--to--Hubbard-band crossover, and that additional spectral weight close to the $A$-pocket likely originates from the Ni-3$d_{xy}$ orbital., Comment: 8 pages, 4 figures
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- 2024
39. Bayesian Uncertainty Quantification and Reliability Assessment for Mars Sample Return
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Sanderson, Dawn L., Braverman, Amy, Cataldo, Giuseppe, Smith, Ralph C., and Smith, Richard L.
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Statistics - Applications - Abstract
In this paper, we employ a Bayesian approach to assess the reliability of a critical component in the Mars Sample Return program, focusing on the Earth Entry System's risk of containment not assured upon reentry. Our study uses Gaussian Process modeling under a Bayesian regime to analyze the Earth Entry System's resilience against operational stress. This Bayesian framework allows for a detailed probabilistic evaluation of the risk of containment not assured, indicating the feasibility of meeting the mission's stringent safety goal of 0.999999 probability of success. The findings underscore the effectiveness of Bayesian methods for complex uncertainty quantification analyses of computer simulations, providing valuable insights for computational reliability analysis in a risk-averse setting.
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- 2024
40. Worldwide Evaluations of Quinoa—Biodiversity and Food Security under Climate Change Pressures: Advances and Perspectives
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Cataldo Pulvento and Didier Bazile
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n/a ,Botany ,QK1-989 - Abstract
Quinoa (Chenopodium quinoa Willd [...]
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- 2023
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41. Analysis of the Sabellaria spinulosa Bioconstruction Growth in a Laboratory
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Stefania Lisco, Tamara Lazic, Cataldo Pierri, Daniela Mele, Alessia de Luca, and Massimo Moretti
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analogue tank tests ,worm reef ,Sabellaria spinulosa ,coastal protection ,Naval architecture. Shipbuilding. Marine engineering ,VM1-989 ,Oceanography ,GC1-1581 - Abstract
Sabellaria spinulosa (Leukhart, 1849) is a suspension feeding polychaeta that lives in tubes consisting of terrigenous particles captured by the worm itself. They form impressive reefs containing millions of worm tubes. In temperate marine areas, under optimal environmental conditions, these structures can become natural breakwaters and can play an active role in sandy beaches’ defense. In this work, we report procedures aimed to analyze the growth of S. spinulosa bioconstructions in laboratory. By collecting biological replicas from a wild reef, this study aimed to identify sedimentological characteristics of sands that induce faster tube growth. During the tank experiments, the grain size and mineralogy of the sand were modified. By employing thin sections and X-ray microtomography analyses, the structures observed and measured during and after the tests were analogous to those naturally formed. The fastest growth was recorded in the presence of bioclastic sands with a grain size between 125 and 350 μm. Defining the physical conditions that induce faster growth is fundamental for the defense of these vulnerable habitats but also the surrounding marine environment. This study also lays the foundations for coastal protection interventions in which bioconstructions grown in the tank could be directly implanted on submerged natural and artificial substrates that are already present in situ.
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- 2023
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42. Sponges as Emerging By-Product of Integrated Multitrophic Aquaculture (IMTA)
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Joseba Aguilo-Arce, Pere Ferriol, Roberta Trani, Patrizia Puthod, Cataldo Pierri, and Caterina Longo
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Porifera ,filtration rate ,circular economy ,restoration ,bioremediation ,bioactive compounds ,Naval architecture. Shipbuilding. Marine engineering ,VM1-989 ,Oceanography ,GC1-1581 - Abstract
The use of marine sponges dates back thousands of years, and interest in these animals is increasing as new applications are discovered. Their potential is extensive, both in their ancient and still popular use as bath sponges for cosmetics and regarding the more recent discovery of bioactive secondary metabolites mainly of interest for the pharmaceutical industry and the less developed aquariology. Despite their proven biofiltration and ecosystem restoration ability and the biomass supply problem for the interested industries, few integrated multi-trophic aquaculture (IMTA) systems incorporate these invertebrates in their facilities. Therefore, in this brief review, the benefits that marine sponges could bring to rapidly growing IMTA systems are summarized, highlighting their suitability for a circular blue economy.
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- 2023
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43. Tissue Characterization in Cardiac Amyloidosis
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Veronica Musetti, Francesco Greco, Vincenzo Castiglione, Alberto Aimo, Cataldo Palmieri, Dario Genovesi, Assuero Giorgetti, Michele Emdin, Giuseppe Vergaro, Liam A. McDonnell, and Angela Pucci
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cardiac amyloidosis ,transthyretin amyloidosis ,AL amyloidosis ,histology ,immunohistochemistry ,mass spectrometry ,Biology (General) ,QH301-705.5 - Abstract
Cardiac amyloidosis (CA) has long been considered a rare disease, but recent advancements in diagnostic tools have led to a reconsideration of the epidemiology of CA. Amyloid light-chain (AL) and transthyretin (ATTR) amyloidoses are the most common forms of cardiac amyloidosis. Due to the distinct treatments and the different prognoses, amyloid typing is crucial. Although a non-biopsy diagnosis can be obtained in ATTR amyloidosis when certain diagnostic criteria are fulfilled, tissue characterization still represents the gold standard for the diagnosis and typing of CA, particularly in AL amyloidosis. The present review focuses on the status of tissue characterization in cardiac amyloidosis, from histochemistry to immunohistochemistry and mass spectrometry, as well as on its future directions.
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- 2022
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44. Effect of Dupilumab on Sexual Desire in Adult Patients with Moderate to Severe Atopic Dermatitis
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Maddalena Napolitano, Gabriella Fabbrocini, Sara Kastl, Teresa Battista, Adriana Di Guida, Fabrizio Martora, Vincenzo Picone, Virginia Ventura, and Cataldo Patruno
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atopic dermatitis ,sexual disfunction ,SDI-2 ,Medicine (General) ,R5-920 - Abstract
Background: Atopic dermatitis (AD) is a chronic inflammatory condition causing itching skin, with a significant psychosocial impact on patients and relatives. AD affects 15 to 30% of children and 2 to 10% of adults. AD significantly affects patients’ quality of life (QoL) given the chronicity and symptoms of the disease. Most AD patients have reported that the disease affects daily life, resulting in limited social contact and a strong impact on sexual health (SH), especially in moderate–severe cases. Materials and methods: We performed a prospective study from 1 May 2020 to 1 May 2022; the aim of the study was to evaluate the impact of moderate to severe AD on sexual desire, seduction, and partner relationships, and describe how it varies following dupilumab therapy. We used the Sexual Desire Inventory-2 (SDI-2), a validated instrument consisting of 14 items; moreover, we used a second questionnaire with eight items, an unvalidated instrument created specifically for this study, to obtain the assessment of the influence of AD on the body image, sexuality, and self-perception of those affected. Results and Conclusions: The impact of AD on sexual desire assessed using SDI-2 showed a significant improvement in both sexes during dupilumab treatment from the baseline to W4 and W16. Similar results were obtained with our questionnaire.
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- 2022
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45. Characterization of the Coralligenous Formations from the Marine Protected Area of Karaburun-Sazan, Albania
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Guadalupe Gimenez, Giuseppe Corriero, Sajmir Beqiraj, Lorela Lazaj, Tamara Lazic, Caterina Longo, Maria Mercurio, Carlotta Nonnis Marzano, Massimo Zuccaro, Violeta Zuna, and Cataldo Pierri
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benthic communities ,bioconstructions ,Mediterranean ,Adriatic Sea ,MPA ,marine biodiversity ,Naval architecture. Shipbuilding. Marine engineering ,VM1-989 ,Oceanography ,GC1-1581 - Abstract
Coralligenous bioconstructions are one of the Mediterranean’s most distinctive and biodiverse marine habitats. This research aimed to provide a preliminary characterization of macrobenthic coralligenous assemblages at four sites located in the Marine National Park of Karaburun-Sazan in Albania. We analyzed images obtained from videos recorded along underwater transects at two different depths. Over a total of 61 taxa (3 Rhodophyta, 2 Ochrophyta, 6 Chlorophyta, 30 Porifera, 5 Cnidaria, 3 Mollusca, 2 Annelida, 1 Arthropoda, 4 Bryozoa, 4 Echinodermata, and 1 Chordata), 53 were identified at the species level using taxonomic and semi-quantitative video image analysis, thus allowing an update to the Albanian coralligenous species list with 34 new species. This study revealed differences in species richness and composition among the investigated sites and between depths, with a high number of taxa exclusive to one site and a few taxa common to all sites. Seven taxa are protected by law, among which are the echinoderm Centrostephanus longispinus, included in the Bern (Annex II) and Barcelona (Annex II) Conventions and Habitat Directive (92/43 EEC) (Annex IV), and the sponges Spongia (Spongia) officinalis and S. (S.) lamella, included in Annex III of the Bern Convention. Only the alga Caulerpa cylindracea can be considered an alien species. Although preliminary, the present research indicated the occurrence of rich and diversified macrobenthic assemblages in the study area. Moreover, it has been demonstrated that video analysis can provide a biodiversity baseline within MPAs, where traditional methods involving invasive sampling cannot be applied, particularly in areas such as the Albanian coasts, where anthropogenic impacts have been historically significant. Finally, this work provides a first estimate of the structural biodiversity in a recently established marine protected area, thus representing the basis for subsequent monitoring.
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- 2022
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46. Evaluation of Adaptability of Different Faba Bean Landraces under Mediterranean Field Conditions of Central-Northern Algeria
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Dahmane Hadou el hadj, Sihem Tellah, Kenza Goumeida, Sara Aitouakli, Chamseddine Tifest, Nihal Ammi, Pascal Ratet, Cataldo Pulvento, and Mohamed Houssemeddine Sellami
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faba bean landraces ,MTSI ,genotype by environment interaction (GEI) ,multivariate selection ,multi-environment trials (METs) ,Agriculture - Abstract
The Multi-Trait selection index (MTSI) has been used to select highly productive and stable faba bean landraces across various traits. Fifteen productive, morphological, and phenological traits with desired and undesired selection gains (SGs) were evaluated in fifteen faba bean landraces under Mediterranean field conditions between 2019–2021. According to our results, most of the faba bean traits are influenced by the genotype × environment interaction (GEI) effects. Banner length (BL), seed yield (SY), diameter (D), number of flowers per inflorescence (NFI), branch number (BRN), and 100 seed weight (HSW) were found to be highly influenced by the environment, the proportions of variance explained by environmental factors were arranged between 83.21% and 74.08%, and only seed number per pod (SNP) was the highest genotypic effect (54.02%). According to the MTSI index, only three landraces (Gaada Mascara (G4), Oued zentai (G13), and Khmakhem (G15)) were considered to be highly yield-productive and to have a broad adaptability across Mediterranean environments. When numerous traits were evaluated, the MTSI index provided a strong and powerful tool for developing improved selection techniques for Faba bean studies.
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- 2022
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47. Sustainable Irrigation and Abiotic Tolerant Crops in South Italy within TRUSTFARM Project
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Cataldo Pulvento, Osama Ahmed, Mohamed Houssemeddine Sellami, Antonella Lavini, and Giuseppe De Mastro
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salinity ,climate change ,tolerant crops ,Environmental sciences ,GE1-350 - Abstract
Today, irrigated agriculture is even more influenced by climate change with consequent negative effects on food security. The Mediterranean area is most affected by climate change, leading to greater exposure to uncertainty and production risks. In these environments, water stress, rainfall variability, and soil salinization have been accentuated. Improving crop productivity by minimizing such effects is possible through intelligent climate farming practices (CSFP). Towards resilient and sustainable integrated agro-ecosystems through appropriate climate-smart farming practices (TRUSTFATM) is a project funded by the European Union’s Horizon 2020 research and innovation program with the aim to design integrated agro-ecosystems by conserving natural resources and using the principles of the circular economy for developing climate-resilient production systems in Egypt, Morocco, Italy, France, and Senegal. The Department of Agricultural and Environmental Science (DISAAT) of the University of Bari is responsible for coordinating the activities (starting in 2022) related to the introduction of new crop varieties and management of water and efficient irrigation systems, such as deficit irrigation, use of marginal quality (saline water) irrigation water, and introduction of abiotic stress-tolerant crops.
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- 2022
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48. Quinoa Vikinga Response to Salt and Drought Stress under Field Conditions in Italy
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Cataldo Pulvento, Mohamed Houssemeddine Sellami, Giuseppe De Mastro, Davide Calandrelli, and Antonella Lavini
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salinity ,seed quality ,protein crops ,quinoa ,Environmental sciences ,GE1-350 - Abstract
Agriculture in south Europe is facing the negative effect of abiotic stresses such as salinity that mostly affect the seed production and seed quality of traditional crops. Under these conditions, quinoa represent a good alternative to ensure the production of high-protein-quality seeds thanks to its tolerance to abiotic stresses. In 2015–2017, a sweet variety of quinoa, “Vikinga”, was tested in Italy within the PROTEIN2FOOD project (EU Horizon2020) as high-quality-protein crop to enhance food protein production in Europe. A field trial was carried out at the experimental farm of CNR-ISAFOM in South Italy, to evaluate the combined effect of drought and salinity on quinoa Vikinga; both freshwater and saline water were used for irrigation. The plots were arranged in a randomized complete block design. The main yield parameters (seed yield, aboveground dry biomass 1000 seed weight), the protein content and other quality traits were analyzed at harvest, to evaluate the effect of applied treatments. The results showed that, in general, different treatments did not affect the main production and quality traits of quinoa “Vikinga”.
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- 2022
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49. Bioremediation Capabilities of Hymeniacidon perlevis (Porifera, Demospongiae) in a Land-Based Experimental Fish Farm
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Caterina Longo, Cataldo Pierri, Maria Mercurio, Roberta Trani, Frine Cardone, Pierluigi Carbonara, Sébastien Alfonso, and Loredana Stabili
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bacterial bioremediation ,Hymeniacidon perlevis ,land-based fish farm ,Naval architecture. Shipbuilding. Marine engineering ,VM1-989 ,Oceanography ,GC1-1581 - Abstract
The expansion of aquaculture practices in coastal areas can alter the balance of microbial communities in nearby marine ecosystems with negative impacts on both farmed and natural species, as well as on human health through their consumption. Among marine filter-feeder invertebrates, poriferans are known as effective microbial bioremediators, even though they are currently still underutilized in association with fish mariculture plants. In this study, we investigate the microbial bioremediation capability of the demosponge Hymeniacidon perlevis in an experimental land-based fish farm where this species occurred consistently in the drainage conduit of the wastewater. Microbiological analyses of cultivable vibrios, total culturable bacteria (37 °C), fecal and total coliforms, and fecal enterococci were carried out on the fish farm wastewater in two sampling periods: autumn and spring. The results showed that H. perlevis is able to filter and remove all the considered bacterial groups from the wastewater, including human potential pathogens, in both sampling periods. This finding sustains the hypothesis of H. perlevis use as a bioremediator in land-based aquaculture plants as well.
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- 2022
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50. Giant splitting of the hydrogen rotational eigenenergies in the C$_2$ filled ice
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Di Cataldo, Simone, Rescigno, Maria, Monacelli, Lorenzo, Ranieri, Umbertoluca, Gaal, Richard, Klotz, Stefan, Ollivier, Jacques, Koza, Michael Marek, De Michele, Cristiano, and Bove, Livia Eleonora
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Condensed Matter - Soft Condensed Matter ,Quantum Physics - Abstract
Hydrogen hydrates present a rich phase diagram influenced by both pressure and temperature, with the so-called C$_2$ phase emerging prominently above 2.5 GPa. In this phase, hydrogen molecules are densely packed within a cubic ice-like lattice and the interaction with the surrounding water molecules profoundly affects their quantum rotational dynamics. Herein, we delve into this intricate interplay by directly solving the Schr\"{o}dinger's equation for a quantum H$_2$ rotor in the C$_2$ crystal field at finite temperature, generated through Density Functional Theory. Our calculations reveal a giant energy splitting relative to the magnetic quantum number of $\pm$3.2 meV for $l=1$. Employing inelastic neutron scattering, we experimentally measure the energy levels of H$_2$ within the C$_2$ phase at 6.0 and 3.4 GPa and low temperatures, finding remarkable agreement with our theoretical predictions. These findings underscore the pivotal role of hydrogen--water interactions in dictating the rotational behavior of the hydrogen molecules within the C$_2$ phase and indicate heightened induced-dipole interactions compared to other hydrogen hydrates., Comment: 4 Figures
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- 2024
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