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5 results on '"Bergomi P"'

1. Characterization of Soluble Salts on the Frescoes by Saturnino Gatti in the Church of San Panfilo in Villagrande di Tornimparte (L’Aquila)

Author

Valeria Comite, Andrea Bergomi, Chiara Andrea Lombardi, Mattia Borelli, and Paola Fermo

Subjects
salts, efflorescence, ion chromatography (IC), infrared spectroscopy, Technology, Engineering (General). Civil engineering (General), TA1-2040, Biology (General), QH301-705.5, Physics, QC1-999, Chemistry, QD1-999
Abstract

Salt crystallization is one of the most dangerous forms of degradation affecting frescoes. This phenomenon can lead to cracking, flaking and detachment of the pictorial layer, ultimately ruining the work of art. However, the characterization of soluble salts via chemical analysis can be employed to determine the conditions of the artifact and establish the proper restoration and/or conservation strategies to be adopted. In this archaeometric study, a first-ever characterization of the soluble salts and related degradation phenomena on the frescoes by Saturnino Gatti in the church of San Panfilo in Villagrande di Tornimparte (L’Aquila) was carried out. Sampling was performed in areas with evident detachments, exfoliations and saline crystallization (efflorescences). Eleven samples of powder and fragments were taken from different panels of the fresco: nine were taken from Panels A, C, D and E and two from the top part of the vault. Chemical characterizations were performed using two analytical techniques: ion chromatography (IC) and attenuated total reflectance Fourier-transform infrared spectroscopy (ATR-FTIR). Ion chromatography was used for the quantification of the main ions and to evaluate the presence of soluble salts, whereas infrared spectroscopy was used to characterize the mineralogical phases. The results show efflorescence consisting of newly formed gypsum and carbonate in samples taken closer to the ground. Furthermore, a good correlation between sodium and chloride ions was observed, indicating the presence of an efflorescence composed of newly formed sodium chloride. Capillary rise and infiltration were highlighted as the main sources of soluble salts. This information will be crucial in guiding future restoration or conservation operations.

Published
2023
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2. Multi-Analytical Investigation on a Renaissance Polychrome Earthenware Attributed to Giovanni Antonio Amadeo

Author

Vittoria Guglielmi, Chiara Andrea Lombardi, Giacomo Fiocco, Valeria Comite, Andrea Bergomi, Mattia Borelli, Monica Azzarone, Marco Malagodi, Mario Colella, and Paola Fermo

Subjects
polychrome earthenware, FTIR, SEM-EDXS, Raman, renaissance, pigments, Technology, Engineering (General). Civil engineering (General), TA1-2040, Biology (General), QH301-705.5, Physics, QC1-999, Chemistry, QD1-999
Abstract

This research aimed to characterise pigments used to decorate a polychrome earthenware bas-relief of the 15th century entitled “Madonna with Child, Saint Catherine of Siena, and a Carthusian Prior”, attributed to Giovanni Antonio Amadeo (Pavia, 1447–Milan, 1522) and owned by the Sforzesco Castle Museum of Milan. The artwork underwent a cleaning procedure whose aims were the removal of the dark coating that obscured its surface and restoration work that could bring back its original features. Before the cleaning, six microsamples were collected and analysed using optical microscopy (OM), scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy (SEM-EDXS), and Fourier-transform infrared microspectroscopy in ATR mode (ATR-FTIR), providing the restorers with decisive information on the materials underlying the coating. After the cleaning, the terracotta appeared vibrantly coloured, mainly with bright red, blue, green, black, and white tones. Then, some in situ, non-destructive, spectroscopic measurements were performed by a portable Raman spectrometer on some of the areas that could not otherwise have been sampled. The analyses revealed the presence of natural pigments, including lead white, azurite, yellow ochre, carbon black, calcite, cinnabar, and gypsum. For Madonna’s mantle, cobalt and Prussian blue were employed. Furthermore, the presence of barium sulphate was widely evidenced on the bas-relief. Albeit cobalt blue is of synthetic origin, its presence is compatible with the 15th-century palette, whereas Prussian blue and barium sulphate could be imputed to a previous restoration. Finally, the use of true gold for the background of the earthenware attests to the artwork’s importance and value.

Published
2023
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3. Restoration of a Textile Artefact: A Comparison of Cleaning Procedures Applied to a Historical Tapestry from the Quirinale Palace (Rome)

Author

Vittoria Guglielmi, Valeria Comite, Chiara Andrea Lombardi, Andrea Bergomi, Elisabetta Boanini, Roberto Bonomi, Elisa Monfasani, Letizia Sassi, Mattia Borelli, and Paola Fermo

Subjects
tapestry, cleaning methods, SEM-EDX, IC, TOT, textile artefact, Technology, Engineering (General). Civil engineering (General), TA1-2040, Biology (General), QH301-705.5, Physics, QC1-999, Chemistry, QD1-999
Abstract

The cleaning of textile artefacts and in particular historical tapestries is generally carried out using standard methods. Different cleaning procedures, including a new method based on a hydro-aspiration mechanism, recently developed by restorers with the aim of improving the efficiency of the cleaning system, were applied to a historical tapestry belonging to the lower edge of one of the tapestries of the “Ulysses Stories” series exhibited at the Quirinale Palace (Rome). The tapestry was made of wool and silk and has precious decorations made of metal yarns, which are particularly fragile. The new cleaning system was compared with the traditional methods commonly used by restorers for tapestry cleaning. For this purpose, the quantity and chemical composition of the particles removed and collected on quartz fibre filters by applying the different cleaning systems, were estimated by means of analytical techniques, such as IC (Ion Chromatography) for the quantification of the ionic species collected into the rinsing water, the TOT (Thermal Optical Transmittance) method for the quantification of the carbonaceous particles and SEM-EDX (Scanning Electron Microscopy coupled to Energy Dispersive X-ray Spectroscopy) for yarn morphological characterization and elemental analysis of the deposited particles. The objective of this study is to identify the correct cleaning method to apply to the polymaterial tapestry and, in particular, to the gilded silver and gold metallic yarns, whose conservation state requires the preservation of the “self-protection” patina necessary for the future exhibition inside the Quirinale Palace. The new hydro-aspiration method was found to be more efficient in removing dirt and preserving the structure of the metallic threads being in this way less invasive in detaching the fragile surface patina and at the same time more effective in removing dirt.

Published
2023
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4. Air Quality Assessment of a School in an Industrialized Area of Southern Italy

Author

Pierina Ielpo, Cristina Mangia, Gianluigi de Gennaro, Alessia Di Gilio, Jolanda Palmisani, Adelaide Dinoi, Andrea Bergomi, Valeria Comite, and Paola Fermo

Subjects
volatile organic compound (VOC), indoor air quality, outdoor air quality, air quality monitoring station, Technology, Engineering (General). Civil engineering (General), TA1-2040, Biology (General), QH301-705.5, Physics, QC1-999, Chemistry, QD1-999
Abstract

In this study, simultaneous monitoring of indoor and outdoor Volatile Organic Compounds (VOCs) was carried out in a school, by both Radiello® cartridges and real-time monitors (Corvus, IonScience Ltd., Fowlmere UK). Moreover, an outdoor air quality assessment was performed with data from an air quality monitoring station (ARPA Puglia) located close to the school. In particular, VOCs, Benzene, Toluene, Ethylbenzene, and Xilenes concentrations, obtained by using Radiello® diffusive samplers, were monitored in two classrooms, two bathrooms, and outside of the school building for three weeks during winter 2019. Simultaneously, the Total VOC (TVOC) concentrations were measured by means of real-time monitors inside and outside the classroom in order to individuate the activation of sources during the sampling campaign days. The results evidence that indoor TVOC concentrations were bigger than those outdoors; this suggests the presence of indoor pollutant sources, both in the classrooms and the bathrooms. The results of our study can help the school management by the following recommendations: increasing ventilation in classrooms during school activities and after cleaning; involving students in discussions regarding the use of acrylic paints, permanent markers, perfumes and deodorants, and the limitation of smoking activities both in bathrooms and outdoor spaces.

Published
2021
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5. C9orf72 intermediate repeats confer genetic risk for severe covid-19 pneumonia independently of age

Author

Zanella, I., Zacchi, E., Piva, S., Filosto, M., Beligni, G., Alaverdian, D., Amitrano, S., Fava, F., Baldassarri, M., Frullanti, E., Meloni, I., Renieri, A., Castelli, F., Quiros-Roldan, E., Mari, F., Daga, S., Benetti, E., Furini, S., Fallerini, C., Valentino, Francesca, Doddato, G., Giliberti, A., Tita, R., Bruttini, M., Croci, S., Pinto, A. M., Mencarelli, Marta, Rizzo, C. L., Montagnani, F., Tumbarello, Mario, Rancan, I., Sarno, L. D., Palmieri, Marco, Carriero, M. L., Fabbiani, M., Rossetti, Barbara, Bargagli, E., Bergantini, L., D'Alessandro, Michele, Cameli, P., Bennett, D., Anedda, F., Marcantonio, S., Scolletta, S., Franchi, Francesca, Mazzei, M. A., Guerrini, S., Conticini, E., Cantarini, L., Frediani, B., Tacconi, D., Raffaelli, C. S., Feri, M., Donati, Andrea, Scala, R., Guidelli, L., Spargi, G., Corridi, M., Nencioni, C., Croci, L., Caldarelli, G. P., Spagnesi, M., Piacentini, P., Bandini, M., Desanctis, E., Cappelli, S., Canac-Cini, A., Verzuri, A., Anemoli, V., Ognibene, A., Pancrazi, A., Lorubbio, M., Vaghi, M., Monforte, A. D., Miraglia, F. G., Mondelli, M. U., Bruno, R., Marco, V., Mantovani, Susanna, Ludovisi, S., Girardis, M., Venturelli, S., Busani, S., Cossarizza, A., Antinori, Armando, Vergori, A., Emiliozzi, A., Rusconi, S., Siano, M., Gabrieli, A., Riva, A., Francisci, D., Schiaroli, E., Tommasi, A., Paciosi, F., Scotton, P. G., Andretta, F., Panese, S., Scaggiante, R., Gatti, F., Parisi, S. G., Antoni, M. D., Monica, M. D., Piscopo, C., Capasso, Monica, Russo, R., Andolfo, I., Iolascon, A., Fiorentino, Giuseppe, Carella, M., Castori, M., Merla, G., Squeo, G. M., Aucella, F., Raggi, P., Marciano, C., Perna, Raffaella, Bassetti, M., Biagio, A. D., Sanguinetti, Maurizio, Masucci, Luca, Valente, S., Mandala, M., Giorli, A., Salerni, L., Zucchi, P., Parravicini, P., Menatti, E., Baratti, S., Trotta, T., Giannattasio, F., Coiro, G., Lena, Francesco, Coviello, D. A., Mussini, C., Bosio, Giacomo, Martinelli, E., Mancarella, S., Tavecchia, L., Belli, M. A., Crotti, L., Parati, G., Picchiotti, N., Gori, Mario, Gabbi, Chiara, Sanarico, M., Ceri, S., Pinoli, P., Raimondi, F., Bis-Carini, F., Stella, A., Rizzi, M., Maggiolo, F., Ripamonti, D., Suardi, C., Bachetti, T., Rovere, M. T. L., Sarzi-Braga, S., Bussotti, M., Capitani, K., Zguro, K., Dei, S., Ravaglia, S., Artuso, R., Perrella, A., Bianchi, F., Bergomi, P., Catena, E., Colombo, R., Perticaroli, V., Gennarelli, Massimo, Magri, Carlotta, Basiotto, G., Zizioli, D., Giliani, S., Monti, E., Foca, E., Carriero, C., Latronico, N., Padovani, A., Brugnoni, D., Zanella, I., Zacchi, E., Piva, S., Filosto, M., Beligni, G., Alaverdian, D., Amitrano, S., Fava, F., Baldassarri, M., Frullanti, E., Meloni, I., Renieri, A., Castelli, F., Quiros-Roldan, E., Mari, F., Daga, S., Benetti, E., Furini, S., Fallerini, C., Valentino, F., Doddato, G., Giliberti, A., Tita, R., Bruttini, M., Croci, S., Pinto, A. M., Mencarelli, M. A., Rizzo, C. L., Montagnani, F., Tumbarello, M., Rancan, I., Sarno, L. D., Palmieri, M., Carriero, M. L., Fabbiani, M., Rossetti, B., Bargagli, E., Bergantini, L., D'Alessandro, M., Cameli, P., Bennett, D., Anedda, F., Marcantonio, S., Scolletta, S., Franchi, F., Mazzei, M. A., Guerrini, S., Conticini, E., Cantarini, L., Frediani, B., Tacconi, D., Raffaelli, C. S., Feri, M., Donati, A., Scala, R., Guidelli, L., Spargi, G., Corridi, M., Nencioni, C., Croci, L., Caldarelli, G. P., Spagnesi, M., Piacentini, P., Bandini, M., Desanctis, E., Cappelli, S., Canac-Cini, A., Verzuri, A., Anemoli, V., Ognibene, A., Pancrazi, A., Lorubbio, M., Vaghi, M., Monforte, A. D., Miraglia, F. G., Mondelli, M. U., Bruno, R., Marco, V., Mantovani, S., Ludovisi, S., Girardis, M., Venturelli, S., Busani, S., Cossarizza, A., Antinori, A., Vergori, A., Emiliozzi, A., Rusconi, S., Siano, M., Gabrieli, A., Riva, A., Francisci, D., Schiaroli, E., Tommasi, A., Paciosi, F., Scotton, P. G., Andretta, F., Panese, S., Scaggiante, R., Gatti, F., Parisi, S. G., Antoni, M. D., Monica, M. D., Piscopo, C., Capasso, M., Russo, R., Andolfo, I., Iolascon, A., Fiorentino, G., Carella, M., Castori, M., Merla, G., Squeo, G. M., Aucella, F., Raggi, P., Marciano, C., Perna, R., Bassetti, M., Biagio, A. D., Sanguinetti, M., Masucci, L., Valente, S., Mandala, M., Giorli, A., Salerni, L., Zucchi, P., Parravicini, P., Menatti, E., Baratti, S., Trotta, T., Giannattasio, F., Coiro, G., Lena, F., Coviello, D. A., Mussini, C., Bosio, G., Martinelli, E., Mancarella, S., Tavecchia, L., Belli, M. A., Crotti, L., Parati, G., Picchiotti, N., Gori, M., Gabbi, C., Sanarico, M., Ceri, S., Pinoli, P., Raimondi, F., Bis-Carini, F., Stella, A., Rizzi, M., Maggiolo, F., Ripamonti, D., Suardi, C., Bachetti, T., Rovere, M. T. L., Sarzi-Braga, S., Bussotti, M., Capitani, K., Zguro, K., Dei, S., Ravaglia, S., Artuso, R., Perrella, A., Bianchi, F., Bergomi, P., Catena, E., Colombo, R., Perticaroli, V., Gennarelli, M., Magri, C., Basiotto, G., Zizioli, D., Giliani, S., Monti, E., Foca, E., Carriero, C., Latronico, N., Padovani, A., Brugnoni, D., Zanella, I, Zacchi, E, Piva, S, Filosto, M, Beligni, G, Alaverdian, D, Amitrano, S, Fava, F, Baldassarri, M, Frullanti, E, Meloni, I, Renieri, A, Castelli, F, Quiros-Roldan, E, Mari, F, Daga, S, Benetti, E, Furini, S, Fallerini, C, Valentino, F, Doddato, G, Giliberti, A, Tita, R, Bruttini, M, Croci, S, Pinto, A, Mencarelli, M, Rizzo, C, Montagnani, F, Tumbarello, M, Rancan, I, Sarno, L, Palmieri, M, Carriero, M, Fabbiani, M, Rossetti, B, Bargagli, E, Bergantini, L, D'Alessandro, M, Cameli, P, Bennett, D, Anedda, F, Marcantonio, S, Scolletta, S, Franchi, F, Mazzei, M, Guerrini, S, Conticini, E, Cantarini, L, Frediani, B, Tacconi, D, Raffaelli, C, Feri, M, Donati, A, Scala, R, Guidelli, L, Spargi, G, Corridi, M, Nencioni, C, Croci, L, Caldarelli, G, Spagnesi, M, Piacentini, P, Bandini, M, Desanctis, E, Cappelli, S, Canac-Cini, A, Verzuri, A, Anemoli, V, Ognibene, A, Pancrazi, A, Lorubbio, M, Vaghi, M, Monforte, A, Miraglia, F, Mondelli, M, Bruno, R, Marco, V, Mantovani, S, Ludovisi, S, Girardis, M, Venturelli, S, Busani, S, Cossarizza, A, Antinori, A, Vergori, A, Emiliozzi, A, Rusconi, S, Siano, M, Gabrieli, A, Riva, A, Francisci, D, Schiaroli, E, Tommasi, A, Paciosi, F, Scotton, P, Andretta, F, Panese, S, Scaggiante, R, Gatti, F, Parisi, S, Antoni, M, Monica, M, Piscopo, C, Capasso, M, Russo, R, Andolfo, I, Iolascon, A, Fiorentino, G, Carella, M, Castori, M, Merla, G, Squeo, G, Aucella, F, Raggi, P, Marciano, C, Perna, R, Bassetti, M, Biagio, A, Sanguinetti, M, Masucci, L, Valente, S, Mandala, M, Giorli, A, Salerni, L, Zucchi, P, Parravicini, P, Menatti, E, Baratti, S, Trotta, T, Giannattasio, F, Coiro, G, Lena, F, Coviello, D, Mussini, C, Bosio, G, Martinelli, E, Mancarella, S, Tavecchia, L, Belli, M, Crotti, L, Parati, G, Picchiotti, N, Gori, M, Gabbi, C, Sanarico, M, Ceri, S, Pinoli, P, Raimondi, F, Bis-Carini, F, Stella, A, Rizzi, M, Maggiolo, F, Ripamonti, D, Suardi, C, Bachetti, T, Rovere, M, Sarzi-Braga, S, Bussotti, M, Capitani, K, Zguro, K, Dei, S, Ravaglia, S, Artuso, R, Perrella, A, Bianchi, F, Bergomi, P, Catena, E, Colombo, R, Perticaroli, V, Gennarelli, M, Magri, C, Basiotto, G, Zizioli, D, Giliani, S, Monti, E, Foca, E, Carriero, C, Latronico, N, Padovani, A, and Brugnoni, D

Subjects
Male, Severity of Illness Index, Risk Factors, C9orf72, Odds Ratio, Age Factor, Biology (General), Spectroscopy, Innate immunity, Age Factors, General Medicine, Middle Aged, Computer Science Applications, Chemistry, Intermediate alleles, Female, Haploinsufficiency, Human, Adult, Genotype, Logistic Model, QH301-705.5, Intermediate allele, Article, Settore MED/07 - MICROBIOLOGIA E MICROBIOLOGIA CLINICA, Catalysis, Inorganic Chemistry, Immune system, medicine, Autophagy, Humans, Genetic Predisposition to Disease, Physical and Theoretical Chemistry, Allele, QD1-999, Molecular Biology, COVID-19, Genetic risk, SARS-CoV-2, Aged, Amyotrophic Lateral Sclerosis, C9orf72 Protein, Logistic Models, Microsatellite Repeats, Innate immune system, business.industry, Risk Factor, Organic Chemistry, medicine.disease, Immunology, Cytokine storm, business, Trinucleotide repeat expansion, Amyotrophic Lateral Sclerosi
Abstract

A cytokine storm, autoimmune features and dysfunctions of myeloid cells significantly contribute to severe coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Genetic background of the host seems to be partly responsible for severe phenotype and genes related to innate immune response seem critical host determinants. The C9orf72 gene has a role in vesicular trafficking, autophagy regulation and lysosome functions, is highly expressed in myeloid cells and is involved in immune functions, regulating the lysosomal degradation of mediators of innate immunity. A large non-coding hexanucleotide repeat expansion (HRE) in this gene is the main genetic cause of frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS), both characterized by neuroinflammation and high systemic levels of proinflammatory cytokines, while HREs of intermediate length, although rare, are more frequent in autoimmune disorders. C9orf72 full mutation results in haploinsufficiency and intermediate HREs seem to modulate gene expression as well and impair autophagy. Herein, we sought to explore whether intermediate HREs in C9orf72 may be a risk factor for severe COVID-19. Although we found intermediate HREs in only a small portion of 240 patients with severe COVID-19 pneumonia, the magnitude of risk for requiring non-invasive or mechanical ventilation conferred by harboring intermediate repeats &gt, 10 units in at least one C9orf72 allele was more than twice respect to having shorter expansions, when adjusted for age (odds ratio (OR) 2.36, 95% confidence interval (CI) 1.04–5.37, p = 0.040). The association between intermediate repeats &gt, 10 units and more severe clinical outcome (p = 0.025) was also validated in an independent cohort of 201 SARS-CoV-2 infected patients. These data suggest that C9orf72 HREs &gt, 10 units may influence the pathogenic process driving more severe COVID-19 phenotypes.

Published
2021

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