606 results on '"Daniel, Richter"'
Search Results
2. Electronic Population Reconstruction from Strong-Field-Modified Absorption Spectra with a Convolutional Neural Network
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Daniel Richter, Alexander Magunia, Marc Rebholz, Christian Ott, and Thomas Pfeifer
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atomic physics ,ultrafast science ,electronic population transfer ,free-electron laser ,transient absorption spectroscopy ,extreme ultraviolet light ,Optics. Light ,QC350-467 ,Applied optics. Photonics ,TA1501-1820 - Abstract
We simulate ultrafast electronic transitions in an atom and corresponding absorption line changes with a numerical, few-level model, similar to previous work. In addition, a convolutional neural network (CNN) is employed for the first time to predict electronic state populations based on the simulated modifications of the absorption lines. We utilize a two-level and four-level system, as well as a variety of laser-pulse peak intensities and detunings, to account for different common scenarios of light–matter interaction. As a first step towards the use of CNNs for experimental absorption data in the future, we apply two different noise levels to the simulated input absorption data. more...
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- 2024
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3. The evolution of acute stroke care in Germany from 2019 to 2021: analysis of nation-wide administrative datasets
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Matthias N. Ungerer, Dirk Bartig, Daniel Richter, Christos Krogias, Werner Hacke, and Christoph Gumbinger
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Thrombectomy ,Health services research ,Stroke ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Abstract Background The treatment of ischemic stroke (IS) has changed considerably in recent years. Particularly the advent of mechanical thrombectomy (MTE) has revolutionized the available treatment options. Most patients in developed countries have access to intravenous thrombolysis (IVT). However access to MTE remains restricted in some regions despite efforts to increase its availability. We performed an evaluation of national datasets to monitor improvements made in access to revascularization therapies for IS patients in Germany. Methods We analyzed national datasets on German Diagnosis-Related Groups and structured quality reports by extracting information of patients admitted with stroke with and without IVT and MTE for the period of 2019–2021. Data from 2016 and limited data for 2022 were also included for comparison. Results Admissions with ischemic stroke declined during the years of the COVID 19 pandemic by 4.5% from 227,258 in 2019 to 216,923 in 2021. IVT rates were stable with 16.3% being treated with IVT in 2019 and 2021. MTE rates continued to increase from 7.1 to 8.4% and the number of MTE centers increased by 14.8% in the same period. Over 87.3% of MTEs were performed in centers with a case volume exceeding 50 cases per year in 2021. The largest increase in the relative share of MTEs was seen in large MTE centers (n ≥ 200). Patient age for MTEs surpassed the age for IVTs in 2019 and the proportion of patients ≥ 80 years receiving MTE continued to increase. The proportion of regions in Germany with poor MTE rates (≤ 4.1%) decreased significantly from 2019 (12.3%) to 2021 (5.3%) (p more...
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- 2024
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4. Entangled: A Case Study of Data Exchange and Actor Relationships in a Mobility Ecosystem.
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Daniel Richter and Jürgen Anke
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- 2023
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5. Digitale Identitäten.
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Jürgen Anke and Daniel Richter
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- 2023
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6. Compact chirped fiber Bragg gratings for single-photon generation from quantum dots
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Vikas Remesh, Ria G. Krämer, René Schwarz, Florian Kappe, Yusuf Karli, Malte Per Siems, Thomas K. Bracht, Saimon Filipe Covre da Silva, Armando Rastelli, Doris E. Reiter, Daniel Richter, Stefan Nolte, and Gregor Weihs more...
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Applied optics. Photonics ,TA1501-1820 - Abstract
A scalable source of single photons is a key constituent of an efficient quantum photonic architecture. To realize this, it is beneficial to have an ensemble of quantum emitters that can be collectively excited with high efficiency. Semiconductor quantum dots hold great potential in this context due to their excellent photophysical properties. Spectral variability of quantum dots is commonly regarded as a drawback introduced by the fabrication method. However, this is beneficial to realize a frequency-multiplexed single-photon platform. Chirped pulse excitation, relying on the so-called adiabatic rapid passage, is the most efficient scheme to excite a quantum dot ensemble due to its immunity to individual quantum dot parameters. Yet, the existing methods of generating chirped laser pulses to excite a quantum emitter are bulky, lossy, and mechanically unstable, which severely hampers the prospects of a quantum dot photon source. Here, we present a compact, robust, and high-efficiency alternative for chirped pulse excitation of solid-state quantum emitters. Our simple plug-and-play module consists of chirped fiber Bragg gratings, fabricated via femtosecond inscription, to provide high values of dispersion in the near-infrared spectral range, where the quantum dots emit. We characterize and benchmark the performance of our method via chirped excitation of a GaAs quantum dot, establishing high-fidelity single-photon generation. Our highly versatile chirping module coupled to a photon source is a significant milestone toward realizing practical quantum photonic devices. more...
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- 2023
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7. Beyond Paper and Plastic: A Meta-Model for Credential Use and Governance.
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Daniel Richter, Christopher Robin Praas, and Jürgen Anke
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- 2023
8. Lifting the Veil of Credential Usage in Organizations: A Taxonomy.
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Ricardo Bochnia, Daniel Richter, and Jürgen Anke
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- 2023
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9. Prognostic markers of post-stroke depression (PROMoSD): study protocol of a prospective single-center observational study on raphe hypoechogenicity as a predictor of post-stroke depression
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Daniel Richter, Andreas Ebert, Lisa Mazul-Wach, Quirin Ruland, Jeyanthan Charles-James, Ralf Gold, Georgios Tsivgoulis, Georg Juckel, and Christos Krogias
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Stroke ,Post-stroke depression ,Transcranial sonography ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Abstract Introduction Post-stroke depression (PSD) is an important and frequent non-motor complication after a stroke. As valid prediction of PSD occurrence is still not possible, the unselective use of preventive therapy in stroke patients has risen a questionable risk-to-benefit consideration. Therefore, there is a need to increase the prediction probability of PSD to identify patients at very high risk of a depressive complication who might benefit from preventive therapy. In this context, a brainstem raphe hypoechogenicity (BRH) in transcranial sonography (TCS) has previously been associated with depressive symptoms in a broad spectrum of diseases. BRH might therefore represent a valid maker of vulnerability for depressive symptoms that could be of interest in the risk assessment of PSD occurrence. Methods In the prognostic markers of post-stroke depression (PROMoSD) study, a prospective, observational, single-center, investigator-initiated study, we aim to include 100 patients with acute ischemic stroke (AIS). Besides data on clinical characteristics and baseline psychiatric assessment, we conduct a TCS examination to identify patients with BRH. The primary outcome is the incidence of PSD three months after inclusion, determined by a blinded investigator according to the fifth version of the Diagnostic and Statistical Manual of Mental Disorders (DSM-V) criteria. Perspective The results of PROMoSD will answer the question of whether screening of BRH after AIS improves the prediction of PSD occurrence. A positive result of this study could have direct consequences on psychiatric support after AIS by streamlining diagnostic and therapeutic algorithms. Trial registration ClinicalTrials.gov identifier no. NCT05580198. more...
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- 2022
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10. COVID-19 outcomes in hospitalized Parkinson’s disease patients in two pandemic waves in 2020: a nationwide cross-sectional study from Germany
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Raphael Scherbaum, Dirk Bartig, Daniel Richter, Eun Hae Kwon, Siegfried Muhlack, Ralf Gold, Christos Krogias, and Lars Tönges
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Parkinson’s disease ,COVID-19 ,Mortality ,Intensive care ,Health care utilization ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Abstract Background The individualized clinical and public health management of the COVID-19 pandemic have changed over time, including care of people with PD. The objective was to investigate whether in-hospital COVID-19 outcomes and hospital care utilization of people with PD differed between the first two pandemic waves (W) 2020 in Germany. Methods We conducted a nationwide cross-sectional study of inpatients with confirmed COVID-19 and PD between March 1 and May 31 (W1), and October 1 and December 31 (W2), 2020 and 2019, using an administrative database. Outcomes were in-hospital mortality, ICU admission rate, change in hospital care utilization, demographical data, PD clinical characteristics, and selected comorbidities. Differences were assessed between waves, PD/non-PD groups, and years. Results We identified 2600 PD COVID-19 inpatients in W2 who in total showed higher in-hospital mortality rates and lower ICU admission rates, compared to both W1 (n = 775) and W1/W2 non-PD COVID-19 inpatients (n = 144,355). Compared to W1, W2 inpatients were more long-term care-dependent, older, more of female sex, and had less advanced disease. During both waves, PD inpatients were older, more frequently male and long-term care-dependent, and showed more risk comorbidities than non-PD COVID-19 inpatients. Decreases in hospital care utilization were stronger than average for PD inpatients but relatively weaker during W2. Non-COVID-19 PD inpatients showed poorer in-hospital outcomes in 2020 than in 2019 with better outcomes during W2. Conclusions In-hospital COVID-19 outcomes and hospital care utilization of PD patients in Germany differed between the two pandemic waves in 2020 with increased in-hospital mortality for PD COVID-19. Overall hospital care utilization for PD was increased during W2. Trial registration No trial registration or ethical approval was required because data were publicly available, anonymized, and complied with the German data protection regulations. more...
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- 2022
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11. Exploring Potential Impacts of Self-Sovereign Identity on Smart Service Systems An Analysis of Electric Vehicle Charging Services.
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Daniel Richter and Jürgen Anke
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- 2021
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12. Adverse stem cell clones within a single patient’s tumor predict clinical outcome in AML patients
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Christina Zeller, Daniel Richter, Vindi Jurinovic, Ilse A. Valtierra-Gutiérrez, Ashok Kumar Jayavelu, Matthias Mann, Johannes W. Bagnoli, Ines Hellmann, Tobias Herold, Wolfgang Enard, Binje Vick, and Irmela Jeremias more...
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Single cell ,Heterogeneity ,Xenograft mouse model ,Genetic barcoding ,In vivo treatment ,Therapy resistance ,Diseases of the blood and blood-forming organs ,RC633-647.5 ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Abstract Acute myeloid leukemia (AML) patients suffer dismal prognosis upon treatment resistance. To study functional heterogeneity of resistance, we generated serially transplantable patient-derived xenograft (PDX) models from one patient with AML and twelve clones thereof, each derived from a single stem cell, as proven by genetic barcoding. Transcriptome and exome sequencing segregated clones according to their origin from relapse one or two. Undetectable for sequencing, multiplex fluorochrome-guided competitive in vivo treatment trials identified a subset of relapse two clones as uniquely resistant to cytarabine treatment. Transcriptional and proteomic profiles obtained from resistant PDX clones and refractory AML patients defined a 16-gene score that was predictive of clinical outcome in a large independent patient cohort. Thus, we identified novel genes related to cytarabine resistance and provide proof of concept that intra-tumor heterogeneity reflects inter-tumor heterogeneity in AML. more...
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- 2022
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13. Prime-seq, efficient and powerful bulk RNA sequencing
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Aleksandar Janjic, Lucas E. Wange, Johannes W. Bagnoli, Johanna Geuder, Phong Nguyen, Daniel Richter, Beate Vieth, Binje Vick, Irmela Jeremias, Christoph Ziegenhain, Ines Hellmann, and Wolfgang Enard
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RNA-seq ,Transcriptomics ,Genomics ,Power analysis ,Biology (General) ,QH301-705.5 ,Genetics ,QH426-470 - Abstract
Abstract Cost-efficient library generation by early barcoding has been central in propelling single-cell RNA sequencing. Here, we optimize and validate prime-seq, an early barcoding bulk RNA-seq method. We show that it performs equivalently to TruSeq, a standard bulk RNA-seq method, but is fourfold more cost-efficient due to almost 50-fold cheaper library costs. We also validate a direct RNA isolation step, show that intronic reads are derived from RNA, and compare cost-efficiencies of available protocols. We conclude that prime-seq is currently one of the best options to set up an early barcoding bulk RNA-seq protocol from which many labs would profit. more...
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- 2022
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14. Regulatory and coding sequences of TRNP1 co-evolve with brain size and cortical folding in mammals
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Zane Kliesmete, Lucas Esteban Wange, Beate Vieth, Miriam Esgleas, Jessica Radmer, Matthias Hülsmann, Johanna Geuder, Daniel Richter, Mari Ohnuki, Magdelena Götz, Ines Hellmann, and Wolfgang Enard
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mammals ,co-evolution ,brain size ,brain folding ,phylogenetics ,functional assays ,Medicine ,Science ,Biology (General) ,QH301-705.5 - Abstract
Brain size and cortical folding have increased and decreased recurrently during mammalian evolution. Identifying genetic elements whose sequence or functional properties co-evolve with these traits can provide unique information on evolutionary and developmental mechanisms. A good candidate for such a comparative approach is TRNP1, as it controls proliferation of neural progenitors in mice and ferrets. Here, we investigate the contribution of both regulatory and coding sequences of TRNP1 to brain size and cortical folding in over 30 mammals. We find that the rate of TRNP1 protein evolution (ω) significantly correlates with brain size, slightly less with cortical folding and much less with body size. This brain correlation is stronger than for >95% of random control proteins. This co-evolution is likely affecting TRNP1 activity, as we find that TRNP1 from species with larger brains and more cortical folding induce higher proliferation rates in neural stem cells. Furthermore, we compare the activity of putative cis-regulatory elements (CREs) of TRNP1 in a massively parallel reporter assay and identify one CRE that likely co-evolves with cortical folding in Old World monkeys and apes. Our analyses indicate that coding and regulatory changes that increased TRNP1 activity were positively selected either as a cause or a consequence of increases in brain size and cortical folding. They also provide an example how phylogenetic approaches can inform biological mechanisms, especially when combined with molecular phenotypes across several species. more...
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- 2023
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15. Cross-sectional analysis of clinical aspects in patients with long-COVID and post-COVID syndrome
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Hannah Schulze, Jeyanthan Charles James, Nadine Trampe, Daniel Richter, Thivya Pakeerathan, Nadine Siems, Ilya Ayzenberg, Ralf Gold, and Simon Faissner
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COVID-19 ,post-COVID syndrome ,fatigue ,smell disorder ,depression ,anxiety ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
ObjectiveRegarding pathogenesis, clinical manifestations, at-risk individuals, and diagnostic methods for stratifying patients for therapeutic approaches, our understanding of post-COVID syndrome is limited. Here, we set out to assess sociodemographic and clinical aspects in patients with the long-COVID and post-COVID syndrome.MethodsWe performed a cross-sectional analysis of patients presenting at our specialized university hospital outpatient clinic. We assessed patients' clinical presentation, fatigue, symptoms of depression and anxiety, and impairment of smell.ResultsA total of 101 patients were included (73.3% female), of whom 78.2% had a mild course of COVID-19. At presentation, 93.1% suffered from fatigue, 82.2% from impaired concentration, and 79.2% from impaired memory, 53.5% had impaired sleep. The most common secondary diagnosis found in our cohort was thyroid disease. Fatigue analysis showed that 81.3% of female and 58.8% of male patients had severe combined fatigue. Female gender was an independent risk factor for severe fatigue (severe cognitive fatigue OR = 8.045, p = 0.010; severe motor fatigue OR = 7.698, p = 0.013). Males suffered from more depressive symptoms, which correlated positively with the duration of symptom onset. 70.3% of patients with anamnestic smell impairment had hyposmia, and 18.9% were anosmic.InterpretationMost long-COVID patients suffered from severe fatigue, with the female sex as an independent risk factor. Fatigue was not associated with symptoms of depression or anxiety. Patients with long-COVID symptoms should receive an interdisciplinary diagnostic and therapeutic approach depending on the clinical presentation. more...
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- 2022
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16. Multiple sclerosis is not associated with an increased risk for severe COVID-19: a nationwide retrospective cross-sectional study from Germany
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Daniel Richter, Simon Faissner, Dirk Bartig, Lars Tönges, Kerstin Hellwig, Ilya Ayzenberg, Christos Krogias, and Ralf Gold
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Multiple sclerosis ,COVID-19 ,SARS-CoV-2 ,Germany ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Abstract Background Since the coronavirus disease 2019 (COVID-19) has risen, several risk factors have been identified, predicting a worse outcome. It has been speculated that patients with Multiple sclerosis (MS) have an increased risk for a severe course of COVID-19 due to a suspected higher vulnerability. Therefore, we aimed to analyze the impact of comorbid MS on the outcome of patients with COVID-19 in Germany. Methods We conducted a retrospective cross-sectional study using the administrative database of all hospitalized patients diagnosed with PCR-confirmed COVID-19 (n = 157,524) in Germany during 2020. The cohort was stratified according to the presence (n = 551) or absence (n = 156,973) of comorbid MS, including discrimination of MS subtypes. Primary outcome measures were admission to the intensive care unit (ICU), use of invasive or non-invasive ventilation, and in-hospital mortality. Differences were investigated using rates and odds ratios as estimates. Pooled overall estimates, sex-stratified estimates, age-group stratified estimates, and MS subtype stratified estimates were calculated for all outcomes under the random-effects model. Results Among 157,524 patients hospitalized with COVID-19, 551 had a concurrent MS diagnosis (0.3%). Overall, univariate analysis showed lower rates of ICU admission (17.1% versus 22.7%, p more...
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- 2021
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17. Usefulness of Computed Tomographic Perfusion Imaging for Appropriate Diagnosis of Acute Cerebral Vessel Occlusion in Case of Anatomic Variations of the Circle of Willis
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Jeyanthan Charles James, Daniel Richter, Laura Tomaske, Ruth Schneider, Carsten Lukas, Felix Kaemmerer, Ralf Gold, and Christos Krogias
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stroke ,thrombectomy ,perfusion imaging ,Medicine (General) ,R5-920 ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 - Abstract
Mechanical thrombectomy (MT) is an effective treatment in patients with acute ischemic stroke (AIS) due to emergent large-vessel occlusion in the anterior circulation. Occlusion of the anterior cerebral artery (ACA) affects up to 15% of these patients. Here we report a case of an elderly patient with an successful MT of an embolic A2-segment occlussion with the anatomic variation of a triplication. Triplication of ACA is a rare anatomical variation, and the occlusion could have been easily overlooked in case of not performing the CT-perfusion (CTP) sequences. As anatomical variations of the circle of Willis are present in most subjects, CTA alone might be limited in the acute setting, particularly for young residents performing the first view on call. This case highlights the importance of including CTP in the initial CT-diagnostic algorithm in AIS patients who are basically eligible for recanalization therapies, irrespective of inconspicuous initial findings in CTA. more...
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- 2021
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18. Self-Sovereign Identity als Grundlage für universell einsetzbare digitale Identitäten.
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Tobias Ehrlich, Daniel Richter, Michael Meisel, and Jürgen Anke
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- 2021
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19. Letter to the Editor: Analysis of stroke patient migration for mechanical thrombectomy and changes in neurointerventional center size in Germany
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Ralph Weber, Dirk Bartig, Christos Krogias, Daniel Richter, Werner Hacke, and Jens Eyding
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Stroke ,Thrombectomy ,Health care structure ,Patient migration ,Neurointerventional center size ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Abstract Aim and methods To analyse nationwide changes in neurointerventional center size of all German hospitals performing mechanical thrombectomy (MT) in stroke patients from 2016 to 2019. Furthermore, we assessed cross-district patient migration for MT for the first time using hospitals’ structured quality reports and German Diagnosis-Related Groups data in 2019. Findings Number of hospitals performing more than 100 MT procedures/year doubled in Germany from 2016 (n = 36) to 2019 (n = 71), and these neurointerventional centers performed 71% of all MT procedures in 2019. The overall increase in MT procedures was largely driven by these high-volume neurointerventional centers with ability to perform MT 24/7 (121% increase as compared with 8% increase in hospitals performing less than 100 MT procedures/year). The highest cross-district patient mobility/transfer of stroke patients for MT was observed in districts adjacent to these high-volume neurointerventional centers with existing neurovascular networks. Conclusion The substantial increase in MT procedures observed in Germany between 2016 and 2019 was almost exclusively delivered by high-volume stroke centers performing more than 100 MT procedures per year in established neurovascular networks. As there is still a reasonable number of districts with low MT rates, further structural improvement including implementation of new or expansion of existing neurovascular networks and regional tailored MT triage concepts is needed. more...
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- 2021
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20. Acute ischemic stroke care in Germany – further progress from 2016 to 2019
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Daniel Richter, Ralph Weber, Jens Eyding, Dirk Bartig, Björn Misselwitz, Armin Grau, Werner Hacke, and Christos Krogias
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Stroke ,Thrombolysis ,Thrombectomy ,Stroke unit care ,Health care structure ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Abstract Background Stroke Unit Care (SUC), intravenous thrombolysis (IVT) and mechanical thrombectomy (MT) are evidence-based treatment options for acute ischemic stroke (AIS). Using nationwide comprehensive administrative data from Germany, we recently reported nationwide development of AIS admissions, SUC rates, IVT rates and MT rates in Germany between 2010 and 2016. In this update paper, we analyze data on the further development of these data to 2019 after publication of time window extensions for recanalization therapies. Methods We considered all hospitalized cases with the main diagnosis of the ICD-10-GM code I63 (AIS) for the year 2019. We identified stroke therapies by using the corresponding Operating and Procedure Keys for IVT, MT and SUC out of the DRG statistics. Regional analyses are based on data from the 412 German administrative districts and cities. We compared the results with those from 2016. Results Number of hospitalized AIS patients showed a mild decrease in 2019 (n = 225,531) compared with 2016 (n = 227,687), with significant more AIS patients treated on a stroke unit in 2019 (n = 167,799; 74.4% vs. n = 164,270; 72.1%, p more...
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- 2021
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21. Software- and TDM-Guided Dosing of Meropenem Promises High Rates of Target Attainment in Critically Ill Patients
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Ute Chiriac, Daniel Richter, Otto R. Frey, Anka C. Röhr, Sophia Helbig, Stefan Hagel, Uwe Liebchen, Markus A. Weigand, and Alexander Brinkmann
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meropenem ,continuous infusion ,dose optimization ,therapeutic drug monitoring ,dose approximation ,pharmacokinetics ,Therapeutics. Pharmacology ,RM1-950 - Abstract
Various studies have reported insufficient beta-lactam concentrations in critically ill patients. The optimal dosing strategy for beta-lactams in critically ill patients, particularly in septic patients, is an ongoing matter of discussion. This retrospective study aimed to evaluate the success of software-guided empiric meropenem dosing (CADDy, Calculator to Approximate Drug-Dosing in Dialysis) with subsequent routine meropenem measurements and expert clinical pharmacological interpretations. Adequate therapeutic drug exposure was defined as concentrations of 8–16 mg/L, whereas concentrations of 16–24 mg/L were defined as moderately high and concentrations >24 mg/L as potentially harmful. A total of 91 patients received meropenem as a continuous infusion (229 serum concentrations), of whom 60% achieved 8–16 mg/L, 23% achieved 16–24 mg/L, and 10% achieved unnecessarily high and potentially harmful meropenem concentrations >24 mg/L in the first 48 h using the dosing software. No patient showed concentrations p ≤ 0.05) enhanced to 70%. No patient had meropenem concentrations >24 mg/L with TDM-guided dose adjustments. The combined use of dosing software and consecutive TDM promised a high rate of adequate therapeutic drug exposures of meropenem in patients with sepsis and septic shock. more...
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- 2023
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22. Performance of Real-TimeWireless Communication for Railway Environments with IEEE 802.11p.
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Daniel Richter, Lukas Pirl, Jossekin Beilharz, Christian Werling, and Andreas Polze
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- 2019
23. An improved chronology for the Middle Stone Age at El Mnasra cave, Morocco.
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Eslem Ben Arous, Anne Philippe, Qingfeng Shao, Daniel Richter, Arnaud Lenoble, Norbert Mercier, Maïlys Richard, Emmanuelle Stoetzel, Olivier Tombret, Mohamed Abdeljalil El Hajraoui, Roland Nespoulet, and Christophe Falguères more...
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Medicine ,Science - Abstract
North African coastal Middle Stone Age (MSA) sites are key to study the development and expansion of early H. sapiens. El Mnasra cave on the Atlantic coast of Morocco (Témara region) is a crucial site associated with MSA archaeological materials considered advanced cognitive hallmarks of behavioural innovation, such as numerous Nassariidae perforated shells, hematite pigments, bones industry and coastal resources exploitation. We provide new trapped-charges dates (OSL and combined US-ESR ages). Our Bayesian modelling strengthens the new lithostratigraphic interpretation of the cave stratigraphic units (US) and we propose an updated chronostratigraphic model for the Middle Stone Age archaeo-sequence of El Mnasra Cave. We confirm a human presence between 124-104 ka, earlier than what the previous OSL and US-ESR data showed. Our time range intervals allowed us to also extend the age of the MSA occupations considerably to the MIS 4/3 (~62-30 ka), marked by the disappearance of the Nassariidae perforated shells. Outstandingly, our model pushed back the age of the largest record of Nassariidae perforated shells and placed the age of their use by the Aterian groups at El Mnasra from the MIS 5d-5b (~115-94 ka). more...
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- 2022
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24. Security Considerations for Microservice Architectures.
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Daniel Richter, Tim Neumann, and Andreas Polze
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- 2018
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25. Hardening Application Security Using Intel SGX.
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Max Plauth, Fredrik Teschke, Daniel Richter, and Andreas Polze
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- 2018
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26. The impact of the COVID-19 pandemic on hospitalizations and plasmapheresis therapy in multiple sclerosis and neuromyelitis optica spectrum disorder: a nationwide analysis from Germany
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Daniel Richter, Simon Faissner, Dirk Bartig, Lars Tönges, Kerstin Hellwig, Ilya Ayzenberg, Christos Krogias, and Ralf Gold
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Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Background: Many countries worldwide reported side effects of the coronavirus disease 2019 (COVID-19) pandemic that have influenced the care of patients with other diseases in both acute and elective settings. Patients with multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD) represent the major patient population suffering from an autoimmune inflammatory demyelinating disease of the central nervous system. We aimed to analyze MS and NMOSD hospitalizations, the application of plasmapheresis therapy, and the dynamic during different periods of the COVID-19 pandemic in Germany. Methods: We conducted a nationwide retrospective cross-sectional study using the administrative database of all hospitalized patients with the main diagnosis of MS and NMOSD, including the information on the application of plasmapheresis therapy. We included full-year data from 1463 hospitals of all MS and NMOSD patients hospitalized in 2019 and 2020 in Germany ( n = 87,453). We compared case numbers and plasmapheresis therapy rates of the different pandemic periods in 2020 with the corresponding periods in 2019. Results: We observed a substantial decline of MS and NMOSD patients’ hospitalizations during the different pandemic periods, with the most remarkable decline during the first wave of the pandemic (First diagnosis of MS: −16.8%; relapsing-remitting MS: −34.0%; secondary progressive MS: −48.9%; primary progressive MS: −43.8%; NMOSD: −19.2%). Treatment rates with plasmapheresis increased for MS and NMOSD patients in 2020 compared to 2019 (1.8% versus 1.6%, p = 0.003; 14.0% versus 9.3%, p more...
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- 2021
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27. Comparison of stroke care parameters in acute ischemic stroke patients with and without concurrent Covid-19. A Nationwide analysis
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Daniel Richter, Christos Krogias, Jens Eyding, Dirk Bartig, Armin Grau, and Ralph Weber
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Covid-19 ,Stroke ,Thrombolysis ,Thrombectomy ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Abstract Background Comparing health care parameters of acute ischemic stroke (AIS) patients with and without concurrent coronavirus disease 2019 (Covid-19, SARS-CoV-2 infection), may be helpful in terms of optimizing clinical and public health care during pandemic. Methods We evaluated a nationwide administrative database of all hospitalized patients with main diagnosis of acute ischemic stroke with/without diagnosis of Covid-19 who were hospitalized during the time period from January 16th to May 15th, 2020. Data from a total of 1463 hospitals in Germany were included. We compared case numbers, treatment characteristics (intravenous thrombolysis, IVT; mechanical thrombectomy, MT; treated on an intensive care unit, stroke unit or regular ward) and in-hospital mortality of AIS with and without concurrent diagnosis of Covid-19. Results From a total of 30,864 hospitalized Covid-19 patients during the evaluation period in Germany, we identified a subgroup of 213 patients with primary diagnosis of AIS. Compared to the 68,700 AIS patients without Covid-19, this subgroup showed a similar rate of IVT (16.4% vs. 16.5%, p = 0.985) but a significantly lower rate of MT (3.8% vs. 7.9%, p = 0.017). In-hospital mortality rate was significantly higher in patients with AIS and concurrent Covid-19 compared to non-infected AIS patients (22.5% vs. 7.8%, p more...
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- 2020
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28. Letter to the editor: risk comorbidities of COVID-19 in Parkinson’s disease patients in Germany
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Daniel Richter, Dirk Bartig, Christos Krogias, and Lars Tönges
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COVID-19 ,Parkinson’s disease ,Infection risk ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 ,Neurology. Diseases of the nervous system ,RC346-429 - Published
- 2020
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29. General principles and escalation options of immunotherapy in autoantibody-associated disorders of the CNS
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Ilya Ayzenberg, Simon Faissner, Laura Tomaske, Daniel Richter, Volker Behrendt, and Ralf Gold
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Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Abstract Autoimmune diseases associated with antineuronal and antiglial autoantibodies (Abs) is one of the most rapidly expanding research fields in clinical neuroimmunology, with more than 30 autoantibodies described so far. Being associated with a wide range of clinical presentations these syndromes can be diagnostically challenging. Surface or intracellular antigen localizations are crucial for the treatment response and outcome. In the latter Abs are mostly of paraneoplastic cause and tumor management should be performed as soon as possible in order to stop peripheral antigen stimulation. Immunotherapy should be started early in both groups, before irreversible neuronal loss occurs. Despite serious prognosis, aggressive therapeutic approaches can be effective in many cases. In this article we review main pathogenic mechanisms leading to Abs-related syndromes and describe standard as well as emerging strategies of immunotherapy, including tocilizumab and bortezomib. Several special therapeutic approaches will be illustrated by clinical cases recently treated in our department. more...
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- 2019
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30. Highly-Available Applications on Unreliable Infrastructure: Microservice Architectures in Practice.
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Daniel Richter, Marcus Konrad, Katharina Utecht, and Andreas Polze
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- 2017
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31. Evaluation of CNN-based algorithms for human pose analysis of persons in red carpet scenarios.
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Danny Kowerko, Daniel Richter, Manuel Heinzig, Stefan Kahl, Stefan Helmert, and Guido Brunnett
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- 2017
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32. Conceptualizing A Configuration Service for Complex Automation Systems.
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Javad Ghofrani, Paul Patoola, Daniel Richter, and Dirk Reichelt
- Published
- 2020
33. Using Fractional Condensation to Optimize Aqueous Pyrolysis Condensates for Downstream Microbial Conversion
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George Kofi Parku, Anke Krutof, Axel Funke, Daniel Richter, and Nicolaus Dahmen
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General Chemical Engineering ,General Chemistry ,Industrial and Manufacturing Engineering - Published
- 2023
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34. Significance of intra-fractional motion for pancreatic patients treated with charged particles
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Vania Batista, Daniel Richter, Naved Chaudhri, Patrick Naumann, Klaus Herfarth, and Oliver Jäkel
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Medical physics. Medical radiology. Nuclear medicine ,R895-920 ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Abstract Background Uncertainties associated with the delivery of treatment to moving organs might compromise the accuracy of treatment. This study explores the impact of intra-fractional anatomical changes in pancreatic patients treated with charged particles delivered using a scanning beam. The aim of this paper is to define the potential source of uncertainties, quantify their effect, and to define clinically feasible strategies to reduce them. Methods The study included 14 patients treated at our facility with charged particles (protons or 12C) using intensity modulated particle therapy (IMPT). Treatment plans were optimized using the Treatment Planning System (TPS) Syngo® RT Planning. The pre-treatment dose distribution under motion (4D) was simulated using the TPS TRiP4D and the dose delivered for some of the treatment fractions was reconstructed. The volume receiving at least 95% of the prescribed dose (V95CTV) and the target dose homogeneity were evaluated. The results from the 4D dose calculations were compared with dose distributions in the static case and its variation correlated with the internal motion amplitude and plan modulation, through the Pearson correlation coefficient, as well the significant p-value. The concept of the modulation index (MI) was introduced to assess the degree of modulation of IMPT plans, through the quantification of intensity gradients between neighboring pencil beams. Results The induced breathing motion together with dynamic beam delivery results in an interplay effect, which affects the homogeneity and target coverage of the dose distribution. This effect is stronger (∆V95CTV > 10%) for patients with tumor motion amplitude above 5 mm and a highly modulated dose distribution between and within fields. The MI combined with the internal motion amplitude is shown to correlate with the target dose degradation and a lack of plan robustness against range and positioning uncertainties. Conclusions Under internal motion the use of inhomogeneous plans results in a decrease in the dose homogeneity and target coverage of dose distributions in comparison to the static case. Plan robustness can be improved by using multiple beams and avoiding beam entrance directions susceptible to density changes. 4D dose calculations support the selection of the most suitable plan for the specific patient’s anatomy. more...
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- 2018
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35. Stand-alone Emollient Treatment Reduces Flares After Discontinuation of Topical Steroid Treatment in Atopic Dermatitis: A Double-blind, Randomized, Vehicle-controlled, Left-right Comparison Study
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Irena Angelova-Fischer, Frank Rippke, Daniel Richter, Alexander Filbry, Craig Arrowitz, Teresa Weber, Tobias W. Fischer, and Detlef Zillikens
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atopicdermatitis ,maintenancetreatment ,emollients ,skinbarrier ,licochalconeA ,omega-6fattyacids ,Dermatology ,RL1-803 - Abstract
Prevention of the flares is a main goal in the long-term treatment of atopic dermatitis (AD). Therefore we investigated the efficacy of a water-in-oil emollient, containing licochalcone A, omega-6-fatty acids, ceramide 3 and glycerol, for prevention of the flares in adults with mild to moderately severe AD, treated with topical steroids, that led to clearing of the inflammatory lesions and had been discontinued prior to inclusion. The study was a 12-week, double-blind, randomized, vehicle-controlled, left-right comparison test with the number of relapses, defined as re-occurrence of erythema for at least 3 consecutive days, considered the primary outcome. Compared with the vehicle, the active formulation significantly reduced the number of relapses and maintained the barrier homeostasis of the respective arm. To the best of knowledge, this is the first study to show prevention of the AD flares by the use of stand-alone emollient treatment, based on comparison with the corresponding vehicle while excluding concomitant/rescue medications. more...
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- 2018
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36. An Error Model for Multi-threaded Single-Node Applications, and Its Implementation.
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Lena Feinbube, Daniel Richter, and Andreas Polze
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- 2016
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37. Cortical blindness as a sign of delayed post-hypoxic encephalopathy: a case report
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Athina-Maria Aloizou, Adnan Labedi, Daniel Richter, Ulas Ceylan, Christoph Schroeder, Carsten Lukas, Ralf Gold, and Christos Krogias
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General Neuroscience ,General Medicine - Published
- 2023
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38. Neonates undergoing pyloric stenosis repair are at increased risk of difficult airway management
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Nicola Disma, Thomas Engelhardt, Tom G. Hansen, Jurgen C. de Graaff, Katalin Virag, Walid Habre, Christian Breschan, Rudolf Likar, Manuela Platzer, Isole Edelman, Johanes Eger, Stefan Heschl, Brigitte Messerer, Maria Vittinghof, Ruth Kroess, Martina Stichlberger, David Kahn, Thierry Pirotte, Caroline Pregardien, Francis Veyckemans, France Stevens, Johan Berghmans, Annemie Bauters, Luc De Baerdemaeker, Stefan De Hert, Koen Lapage, Aliaksandra Parashchanka, Jurgen Van Limmen, Piet Wyffels, Julie Lauweryns, Nadia Najafi, Joris Vundelinckx, Diana Butković, Ivana Kerovec Sorić, Sandra Kralik, Ana Markić, Josip Azman, Josko Markic, Daniela Pupacic, Michal Frelich, Petr Reimer, René Urbanec, Petra Cajková, Vladimír Mixa, Yvona Sedláčková, Lenka Knoppová, Alena Zlámalová (neé Květoňová), Martin Vavřina, Jiří Žurek, Tom Hansen, Arash Afshari, Anders Bastholm Bille, Marguerite Ellekvist, Mari-Liis Ilmoja, Reet Moor, Reet Kikas, Merle Väli, Kariantti Kallio, Elisa Reponen, Pertti Suominen, Sami Suvanto, Raisa Vähätalo, Hannu Kokki, Merja Kokki, Jarkko Harju, Miia Kokkonen, Jenni Vieri, Tuula Manner, Amory Catherine, Hugues Ludot, Dina Bert, Juliette Godart, Anne Laffargue, Hervé Dupont, Benjamin Urbina, Catherine Baujard, Philippe Roulleau, Giuseppe Staiti, Maryline Bordes, Karine Nouette Gaulain, Yann Hamonic, François Semjen, Olivier Jacqmarcq, Caroline Lejus-Bourdeau Cécile Magne, Léa Petry, Lilica Ros, Aurélien Zang, Mehdi Bennis, Bernard Coustets, Rose Fesseau, Isabelle Constant, Eliane Khalil, Nada Sabourdin, Noemie Audren, Thomas Descarpentries, Fanny Fabre, Aurélien Legrand, Emilie Druot, Gilles Orliaguet, Lucie Sabau, Lynn Uhrig, François de la Brière, Karin Jonckheer, Jean-Paul Mission, Lucia Scordo, Caroline Couchepin, Christophe Dadure, Pablo De la Arena, Laurent Hertz, Philippe Pirat, Chrystelle Sola, Myriam Bellon, Souhayl Dahmani, Florence Julien-Marsollier, Daphne Michelet, Veronique Depret-Donatien, Anne Lesage, Jost Kaufmann, Michael Laschat, Frank Wappler, Karin Becke, Lena Brunner, Karin Oppenrieder, Gregor Badelt, Karin Hochmuth, Bernhard Koller, Anita Reil, Sebastian Richter, Thomas Fischer, Anja Diers, Clemens Schorer, Andreas Weyland, Ruth Cohausz, Franz-Josef Kretz, Michaela Löffler, Markus Wilbs, Claudia Hoehne, Johanna Ulrici, Christiane Goeters, Armin Flinspach, Matthias Klages, Simone Lindau, Leila Messroghli, Kai Zacharowski, Christoph Eisner, Thomas Mueller, Daniel Richter, Melanie Schäfer, Markus Weigand, Sebastian Weiterer, Miriam Ochsenreiter, Michael Schöler, Tom Terboven, Isabel Eggemann, Sascha Haussmann, Nicolas Leister, Christoph Menzel, Uwe Trieschmann, Sirin Yücetepe, Susanna Keilig, Peter Kranke, Yvonne Jelting, Torsten Baehner, Richard Ellerkmann, Shahab Ghamari, Claudia Neumann, Martin Söhle, Pelagia Chloropoulou, Vagia Ntritsou, Pinelopi Papagiannopoulou, Eleana Garini, Afroditi Karafotia, Panagoula Mammi, Evangelia Bali, Despoina Iordanidou, Anna Malisiova, Artemis Polyzoi, Adelais Tsiotou, Erzsebet Sapi, Edgar Székely, Nandor Kosik, Veronika Maráczi, Janos Schnur, Judit Csillag, János Gál, Gergely Göbl, Balázs Hauser, András Petróczy, Gyula Tövisházi, Stuart Blain, Sarah Gallagher, Sinead Harte, Mandy Jackson, Emma Meehan, Zeenat Nawoor, Brendan O’Hare, Mark Ross, Daniela Lerro, Marinella Astuto, Chiara Grasso, Rita Scalisi, Giulia Frasacco, Elena Lenares, Roberto Leone, Maurizia Grazzini, Carmelo Minardi, Nicola Zadra, Gilda Cinnella, Antonella Cotoia, Dario Galante, Brita De Lorenzo, Beate Kuppers, Giulia Bottazzi, Fabio Caramelli, Maria Cristina Mondardini, Emanuele Rossetti, Sergio Picardo, Alessandro Vittori, Anna Camporesi, Francesca Izzo, Edoardo Calderini, Laura Brigitta Colantonio, Simona Anna Finamore, Giuliana Anna Porro, Rachele Bonfiglio, Svetlana Kotzeva, Girolamo Mattioli, Camilla Micalizzi, Alessia Montaguti, Angela Pistorio, Anna Guddo, Gerald Rogan Neba, Moreno Favarato, Bruno Guido Locatelli, Micol Maffioletti, Valter Sonzogni, Rossella Garra, Maria Sammartino, Fabio Sbaraglia, Andrea Cortegiani, Alessandra Moscarelli, Elena Attanasi, Simonetta Tesoro, Cristina Agapiti, Francesca Pinzoni, Cesare Vezzoli, Bilotta Federico, Arta Barzdina, Zane Straume, Anda Zundane, Laura Lukosiene, Irena Maraulaite, Ilona Razlevice, Bernd Schmitz, Stephanie Mifsud, Carolin Aehling, Celia Allison, Rients De Boer, Dina Emal, Markus Stevens, Marielle Buitenhuis, Jurgen de Graaff, Inge De Liefde, Andreas Machotta, Gail Scoones, Lonneke Staals, Jeremy Tomas, Anouk Van der Knijff-van Dortmont, Marianne Veldhuizen, David Alders, Eva Schafrat, Jan Schreiber, Petronella Mari Vermeulen, Mark Hendriks, Sandra Lako, Marieke Voet-Lindner, Barbe Pieters, Gert-Jan Scheffer, Luc Tielens, Anthony R. Absalom, Margot Bergsma, Joke De Ruiter, Sascha Meier, Martin Volkers, Tjerk Zweers, Anne M. Beukers, Christa Boer, Jurgen Dertinger, Sandra Numan, Bas Van Zaane, Wenche B. Boerke, Nil Ekiz, Kristoffer Stensrud, Inger Marie Drage, Erik Ramon Isern, Alicja Bartkowska-Sniatkowska, Malgorzata Grzeskowiak, Magdalena Juzwa-Sobieraj, Jowita Rosada-Kurasińska, Artur Baranowski, Karina Jakubowska, Dorota Lewandowska, Magdalena Mierzewska-Schmidt, Piotr Sawicki, Magdalena Urban-Lechowicz, Pomianek Przemyslaw, Marzena Zielinska, Teresa Leal, Maria Soares, Pedro Pina, Sílvia Pinho, Maria Domingas Patuleia, Catarina Cruz Esteves, Helena Salgado, Maria João Santos, Rodica Badeti, Iulia Cindea, Loredana Oana, Adriana Gurita, Luminita Ilie, Gabriel Mocioiu, Radu Tabacaru, Irina Trante, Valentin Munteanu, Mihai Morariu, Emese Nyíri, Ivana Budic, Vesna Marjanovic, Biljana Drašković, Marina Pandurov, Jordanka Ilic, Ana Mandras, Zdenka Rados, Nikola Stankovic, Maja Suica, Sladjana Vasiljevic, Mirjana Knezevic, Irina Milojevic, Ivana Petrov, Selena Puric Racic, Dusica Simic, Irena Simic, Marija Stevic, Irena Vulicevic, Banská Bystrica, Barbora Cabanová, Miloslav Hanula, Jelena Berger, Darja Janjatovic, Špela Pirtovšek Štupnik, Dolores Méndez, Gema Pino, Paloma Rubio, Alberto Izquierdo, Silvia López, Cristina González Serrano, Jesús Cebrián, Ana Peleteiro, Pilar Del Rey de Diego, Ernesto Martínez García, Carolina Tormo de las Heras, Pablo Troncoso Montero, Celia Arbona, David Artés, Alicia Chamizo, Silvia Serrano, Montserrat Suarez Comas, Francisco Escribá, Cristina Auli, Osvaldo Pérez Pardo, Natalia Sierra Biddle, Ceferina Suárez Castaño, María Isabel Villalobos Rico, Susana Manrique Muñoz, Irene García Martínez, Nuria Montferrer Estruch, Elena Vilardell Ortíz, Rodrigo Poves-Álvarez, Ivan Kohn, Ulf Lindestam, Jarl Reinhard, Albert Castellheim, Kerstin Sandström, Sporre Bengt, Rainer Dörenberg, Peter Frykholm, Maria Garcia, Ann Kvarnström, Emma Pontén, Thomas Bruelisauer, Gabor Erdoes, Heiko Kaiser, Mathias Marchon, Thomas Riva, Stefan Seiler, Yann Bögli, Mirko Dolci, Carine Marcucci, Isabelle Pichon, Laszlo Vutskits, Mattias Casutt, Martin Hölzle, Thomas Hurni, Martin Jöhr, Anna-Ursina Malär, Jacqueline Mauch, Thomas Erb, Karin Oeinck, Mine Akin, Gulsen Keskin, Yesim Senayli, Guner Kaya, Pinar Kendigelen, Ayse Çiğdem Tutuncu, Zehra Hatipoğlu, Dilek Özcengiz, Hale Aksu Erdost, Elvan Öçmen, Çimen Olguner, Hilmi Ayanoglu, Pelin Corman Dincer, Tumay Umuroglu, Mustafa Azizoglu, Handan Birbiçer, Nurcan Doruk, Aslı Sagun, Sibel Baris, Dmytro Dmytriiev, Sridevi Kuchi, Nuria Masip, Peter Brooks, Alison Hare, Nargis Ahmad, Michelle Casey, Sam De Silva, Nadine Dobby, Prakash Krishnan, L. Amaki Sogbodjor, Ellie Walker, Suellen Walker, Stephanie King, Katy Nicholson, Michelle Quinney, Paul Stevens, Andrew Blevin, Mariangela Giombini, Chulananda Goonasekera, Sadia Adil, Stephanie Bew, Carol Bodlani, Dan Gilpin, Stephanie Jinks, Nalini Malarkkan, Alice Miskovic, Rebecca Pad, Juliet Wolfe Barry, Joy Abbott, James Armstrong, Natalie Cooper, Lindsay Crate, John Emery, Kathryn James, Hannah King, Paul Martin, Stefano Scalia Catenacci, Rob Bomont, Paul Smith, Sara Mele, Alessandra Verzelloni, Philippa Dix, Graham Bell, Elena Gordeva, Lesley McKee, Esther Ngan, Jutta Scheffczik, Li-En Tan, Mark Worrall, Carmel Cassar, Kevin Goddard, Victoria Barlow, Vimmi Oshan, Khairi Shah, Sarah Bell, Lisa Daniels, Monica Gandhi, David Pachter, Chris Perry, Andrew Robertson, Carmen Scott, Lynne Waring, David Barnes, Sophie Childs, Joanne Norman, Robin Sunderland, Dowell Julia, Feijten Prisca, Harlet Pierre, Herbineaux Sarah, Leva Brigitte, Plichon Benoît, Virág Katalin, and Anesthesiology more...
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Europe ,Anesthesiology and Pain Medicine ,Infant, Newborn ,Intubation, Intratracheal ,Humans ,Infant ,airway management ,complications ,difficult airway ,neonatal anaesthesia ,pyloric stenosis ,tracheal intubation ,Anesthesia ,Pyloric Stenosis, Hypertrophic ,Airway Management ,Child ,Hypoxia - Abstract
Background: Hypertrophic pyloric stenosis in otherwise healthy neonates frequently requires urgent surgical procedure but anaesthesia care may result in respiratory complications, such as hypoxaemia, pulmonary aspiration of gastric contents, and postoperative apnoea. The primary aim was to study whether or not the incidence of difficult airway management and of hypoxaemia in neonates undergoing pyloric stenosis repair was higher than that in neonates undergoing other surgeries. Methods: Data on neonates and infants undergoing anaesthesia and surgery for pyloric stenosis were extracted from the NEonate and Children audiT of Anesthesia pRactice In Europe (NECTARINE) database, for secondary analysis. Results: We identified 310 infants who had anaesthesia for surgery for pyloric stenosis. Difficult airway management (more than two attempts at laryngoscopy) was higher in children with pyloric stenosis when compared with the entire NECTARINE cohort (7.9% [95% confidence interval {CI}, 5.22–11.53] vs 4.4% [95% CI, 1.99–6.58]; relative risk [RR]=1.81 [95% CI, 1.21–2.69]; P=0.004), whereas transient hypoxaemia with oxygen saturation more...
- Published
- 2022
39. Mobility-as-a-Service: A Distributed Real-Time Simulation with Carrera Slot-Cars.
- Author
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Daniel Richter, Andreas Grapentin, and Andreas Polze
- Published
- 2015
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40. Hovac: A Configurable Fault Injection Framework for Benchmarking the Dependability of C/C++ Applications.
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Lena Herscheid, Daniel Richter, and Andreas Polze
- Published
- 2015
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41. Experimental Assessment of Cloud Software Dependability Using Fault Injection.
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Lena Herscheid, Daniel Richter, and Andreas Polze
- Published
- 2015
- Full Text
- View/download PDF
42. Hospital Admissions for Neurodegenerative Diseases during the First Wave of the COVID-19 Pandemic: A Nationwide Cross-Sectional Study from Germany
- Author
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Raphael Scherbaum, Eun-Hae Kwon, Daniel Richter, Dirk Bartig, Ralf Gold, Christos Krogias, and Lars Tönges
- Subjects
Parkinson’s disease ,COVID-19 ,progressive supranuclear palsy (PSP) ,multiple system atrophy (MSA) ,amyotrophic lateral sclerosis (ALS) ,Neurosciences. Biological psychiatry. Neuropsychiatry ,RC321-571 - Abstract
(1) Background: The COVID-19 pandemic impacts healthcare utilization across all care settings and health conditions. The objective of this study was to determine changes in hospital admissions for neurodegenerative diseases (NDD) during the first COVID-19 wave in Germany; (2) Methods: This cross-sectional study used nationwide administrative claims data covering 1468 hospitals. The primary outcome was the year-to-year relative change in case numbers during a four-month study period (16 January–15 May 2020 vs. 2019) during the first pandemic wave. Secondary outcomes included year-to-year relative changes during a four-week peak phase (16 March–15 April) and changes between differential phases of the wave. The analyzed NDD comprised progressive supranuclear palsy (PSP), multiple system atrophy (MSA), Parkinson’s disease, amyotrophic lateral sclerosis (ALS) and Huntington’s disease; (3) Results: Hospital admissions for any reason decreased by 16.7% in 2020 during the study period and by 36.6% during the peak phase, whereas admissions for NDD decreased by 27.6% and 65.0%, respectively. PSP cases decreased during the study period (−34.7%) and the peak phase (−68.1%) and stayed reduced in a late phase with falling COVID-19 numbers. MSA and ALS cases increased strongest after the peak, with ALS cases being comparatively weakly reduced during the study period (−17.3%) and peak phase (−51.7%); (4) Conclusions: Inpatient care utilization for NDD changed differentially during the first wave of the COVID-19 pandemic in Germany and showed a greater reduction than overall and general neurological admissions. Mitigating long-term health deterioration of this vulnerable subgroup is important to reduce morbidity and mortality in the future. more...
- Published
- 2021
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43. Planning strategies for inter-fractional robustness in pancreatic patients treated with scanned carbon therapy
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Vania Batista, Daniel Richter, Stephanie E. Combs, and Oliver Jäkel
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Medical physics. Medical radiology. Nuclear medicine ,R895-920 ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Abstract Background Managing inter-fractional anatomy changes is a challenging task in radiotherapy of pancreatic tumors, especially in scanned carbon-ion delivery. This treatment planning study aims to focus on clinically feasible solutions, such as the beam angle selection and margin design to increase the robustness against inter-fractional uncertainties. Methods This study included 10 patients with weekly 3D-CT imaging and physician-approved Clinical Target Volume (CTV). The study was directed to keep the CTV-coverage using six beam angle configurations in combination with different Internal Target Volume (ITV) concepts. These were: geometric-margin (symmetric 3 and 5 mm margin); range-equivalent margins with an isotropic HU replacement; and to evaluate the need of asymmetric margins the water-equivalent range path (WEPL) was determined per patient from the set of CTs. Plan optimization and forward dose calculation in each week-CT were performed with the research treatment planning system TRiP98 and the plan quality evaluated in terms of CTV coverage (V95CTV) and homogeneity dose (HCTV = D5-D95). Results The beam geometry had a substantial impact on the target irradiation over the treatment course, with the single posterior or two beams showing the best average coverage of the CTV. The use of geometric margins for the more robust beam geometries showed acceptable results, with a V95CTV of (99.2 ± 1.2)% for the 5 mm-margin. For the non-robust configurations, due to substantial changes in the radiological depth, the use of this margin results in a V95CTV that might be below 80%, only showing improvement when the range changes are included. Conclusions Selection of adequate beam configurations and treatment margins in ion-beam therapy of pancreatic tumors is of great importance. For a single posterior beam or two beam configurations, application of geometrical margins compensate for dose degradation induced by inter-fractional anatomy changes for the majority of the analyzed treatment fractions. more...
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- 2017
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44. Der subjektive Stellenwert von Bewegungs- und Sporttherapie bei Menschen mit schwerer psychischer Erkrankung in Deutschland
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Daniel Richter, Steffi Riedel-Heller, Johanna Breilmann, Alkomiet Hasan, Peter Falkai, Reinhold Kilian, Andreas Allgoewer, Klemens Ajayi, Jessica Baumgaertner, Peter Brieger, Karel Frasch, Stephan Heres, Markus Jäger, Andreas Küthmann, Albert Putzhammer, Bertram Schneeweiß, Michael Schwarz, Thomas Becker, Markus Kösters, and Uta Gühne more...
- Subjects
Psychiatry and Mental health ,Neurology ,ddc:610 ,Neurology (clinical) - Abstract
Zusammenfassung Ziel der Studie Untersucht werden der subjektive Stellenwert und Erfahrungen mit der Bewegungs- und Sporttherapie (BST) bei Patienten mit schweren psychischen Erkrankungen. Methodik Querschnittserhebung bei Patienten mit schweren psychischen Erkrankungen (18 bis 65 Jahre, N=385). Untersuchung möglicher Zusammenhänge zwischen dem subjektiven Stellenwert der BST und soziodemografischen und krankheitsassoziierten Variablen durch eine binäre logistische Regression. Ergebnisse 84,4% der Befragten (n=325) schätzen den Stellenwert einer BST als hoch ein. Ein noch größerer Anteil der Befragten (90,6%, n=349) konnte bereits Erfahrungen mit einer entsprechenden Therapie sammeln. Studienteilnehmende mit einem höheren Funktionsniveau (höherer GAF-Wert, p=0,041) und wohnhaft in einem großstädtischem Wohnumfeld (p=0,011) maßen der BST einen höheren subjektiven Stellenwert bei. 44,1% (n=143) der Befragten, die den BST einen hohen subjektiven Stellenwert beimessen, treiben regelmäßig Sport. Schlussfolgerung Die meisten der hier befragten schwer psychisch kranken Menschen messen den BST einen überraschend hohen Stellenwert bei. Dies erweist sich vor dem Hintergrund der zunehmenden Evidenz zu den positiven Effekten dieser Therapien als exzellenter Ansatzpunkt, diese im Gesamtbehandlungsplan fester zu verankern. Gleichzeitig gilt es, Strategien für einen Alltagstransfer stärker zu implementieren. more...
- Published
- 2022
- Full Text
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45. Technische Universität Chemnitz and Hochschule Mittweida at TRECVID Instance Search 2017.
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Stefan Kahl, Daniel Richter, Christian Roschke, Manuel Heinzig, Danny Kowerko, Maximilian Eibl, and Marc Ritter
- Published
- 2017
46. Supplementary Data from Antitumor Activity and Pharmacology of a Selective Focal Adhesion Kinase Inhibitor, PF-562,271
- Author
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Felix Vajdos, Matt Griffor, Eric Marr, Matt Wessel, Jitesh Jani, Susan LaGreca, Erika Schmitt, Nandini Patel, Michael Luzzio, Martin Berliner, Marianne Lorenzen, Luis Martinez-Alsina, Lili Yao, Kevin Coleman, John Kath, Jing Lin, Earling Emerson, Daniel Richter, Christofer Autry, Catherine Hulford, Beth Cooper, Pamela Whalen, Ethan Ung, and Walter Gregory Roberts more...
- Abstract
Supplementary Data from Antitumor Activity and Pharmacology of a Selective Focal Adhesion Kinase Inhibitor, PF-562,271
- Published
- 2023
- Full Text
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47. Birefringence of femtosecond written fiber Bragg gratings for linear polarized fiber lasers
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Georg R. Schwartz, Ria G. Krämer, Thorsten A. Goebel, Malte P. Siems, Daniel Richter, and Stefan Nolte
- Published
- 2023
- Full Text
- View/download PDF
48. Regulatory and coding sequences of TRNP1 co-evolve with brain size and cortical folding in mammals
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Lucas Esteban Wange, Zane Kliesmete, Beate Vieth, Miriam Esgleas, Jessica Radmer, Matthias Hülsmann, Johanna Geuder, Daniel Richter, Mari Ohnuki, Magdelena Götz, Ines Hellmann, and Wolfgang Enard
- Subjects
General Immunology and Microbiology ,General Neuroscience ,General Medicine ,General Biochemistry, Genetics and Molecular Biology - Abstract
Brain size and cortical folding have increased and decreased recurrently during mammalian evolution. Identifying genetic elements whose sequence or functional properties co-evolve with these traits can provide unique information on evolutionary and developmental mechanisms. A good candidate for such a comparative approach is TRNP1, as it controls proliferation of neural progenitors in mice and ferrets. Here, we investigate the contribution of both regulatory and coding sequences of TRNP1 to brain size and cortical folding in over 30 mammals. We find that the rate of TRNP1 protein evolution (ω) significantly correlates with brain size, slightly less with cortical folding and much less with body size. This brain correlation is stronger than for >95% of random control proteins. This co-evolution is likely affecting TRNP1 activity, as we find that TRNP1 from species with larger brains and more cortical folding induce higher proliferation rates in neural stem cells. Furthermore, we compare the activity of putative cis-regulatory elements (CREs) of TRNP1 in a massively parallel reporter assay and identify one CRE that likely co-evolves with cortical folding in Old World monkeys and apes. Our analyses indicate that coding and regulatory changes that increased TRNP1 activity were positively selected either as a cause or a consequence of increases in brain size and cortical folding. They also provide an example how phylogenetic approaches can inform biological mechanisms, especially when combined with molecular phenotypes across several species., eLife, 12, ISSN:2050-084X more...
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- 2023
49. Optimization of ultrashort pulse written volume Bragg gratings in fused silica for UV applications
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Daniel Richter, Malte P. Siems, Thorsten A. Goebel, Ria G. Krämer, and Stefan Nolte
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- 2023
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50. Realization and characterization of the first ultrashort pulse written chirped volume Bragg gratings in fused silica
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Malte P. Siems, Daniel Richter, Thorsten A. Goebel, Ria G. Krämer, and Stefan Nolte
- Published
- 2023
- Full Text
- View/download PDF
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