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Dysfunction of the adhesion G protein-coupled receptor latrophilin 1(ADGRL1/LPHN1)increases the risk of obesity

Signal Transduction and Targeted Therapy 2024年第5期9卷 2298-2311页

作者： Heba ZabriTorsten Schöneberg AndréNguyen Dietzsch Hadi Al-Hasani Joachim Altschmied Katharina Bottermann Jana Brendler Judith Haendeler Susanne Horn Isabell Kaczmarek Antje Körner ke.stin krause.kathrin landgraf Diana Le Duc Laura Lehmann Stefan Lehr Stephanie Pick Albert Ricken Rene Schnorr Angela Schulz Martina Strnadová Akhil Velluva Heba Zabri Torsten Schöneberg Doreen Thor Simone Prömel Rudolf Schönheimer Institute of Biochemistry Medical FacultyLeipzig UniversityLeipzigGermany Institute for Clinical Biochemistry and Pathobiochemistry Medical FacultyGerman Diabetes CenterLeibniz Center for Diabetes Research at Heinrich Heine University DüsseldorfDüsseldorfGermany German Center for Diabetes Research(DZD e.V.) Munich-NeuherbergGermany Cardiovascular Degeneration Clinical Chemistry and Laboratory DiagnosticsMedical FacultyUniversity Hospital and Heinrich Heine University DüsseldorfDüsseldorfGermany Cardiovascular Research Institute(CARID) Medical FacultyUniversity Hospital and Heinrich Heine University DüsseldorfDüsseldorfGermany Institute of Pharmacology Medical FacultyUniversity Hospital and Heinrich Heine University DüsseldorfDüsseldorfGermany Institute of Anatomy Medical FacultyLeipzig UniversityLeipzigGermany Center for Pediatric Research Hospital for Children and AdolescentsMedical FacultyLeipzig UniversityLeipzigGermany Helmholtz Institute for Metabolic Obesity and Vascular Research(HI-MAG)of the Helmholtz Zentrum München at the University of Leipzig and University Hospital LeipzigLeipzigGermany Department of Endocrinology NephrologyRheumatologyLeipzig University Medical CenterLeipzigGermany Institute of Human Genetics Leipzig University Medical CenterLeipzigGermany Institute of Cell Biology Department of BiologyHeinrich Heine University DüsseldorfDüsseldorfGermany School of Medicine University of Global Health EquityKigaliRwanda

Obesity is one of the diseases with severe health consequences and rapidly increasing worldwide *** the complex network of food intake and energy balance regulation is an essential prerequisite for pharmacological intervention with obesity.G protein-coupled receptors(GPCRs)are among the main modulators of metabolism and energy ***,for instance,regulate appetite and satiety in certain hypothalamic neurons,as well as glucose and lipid metabolism and hormone secretion from *** in some GPCRs,such as the melanocortin receptor type 4(MC4R),have been associated with early-onset ***,we identified the adhesion GPCR latrophilin 1(ADGRL1/LPHN1)as a member of the regulating network governing food intake and the maintenance of energy *** of the highly conserved receptor in mice results in increased food consumption and severe obesity,accompanied by dysregulation of glucose ***,we identified a partially inactivating mutation in human ADGRL1/LPHN1 in a patient suffering from ***,we propose that LPHN1 dysfunction is a risk factor for obesity development.

关键词： obesity metabolism intake

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Conception of a new 4-quadrant hydrogen compressed air energy storage power plant with an integrated electrolyzer

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Energy Reviews 2024年第3期3卷 92-101页

作者： Hans-Peter Beck Ann-kathrin Klaas Christoph Klaas Research Center Energy Storage Technologies Clausthal University of TechnologyAm Stollen 19A38640GoslarGermany Institute of Electrical Power Engineering and Energy Systems Clausthal University of TechnologyLeibnizstraße 2838678Clausthal-ZellerfeldGermany

A hydrogen compressed air energy storage power plant with an integrated electrolyzer is ideal for large-scale,long-term energy storage because of the emission-free operation and the possibility to offer multiple ancillary services on the German energy *** paper defines analyzes such a storage concept and conducts an extensive comparison with four additional storage concepts based on various *** results show that the combination of storing compressed air and hydrogen offers a higher efficiency than storing only hydrogen and lower specific investment costs than storing only compressed *** result is confirmed with analysis of the optimal sizing of each power plant component for simultaneous participation on multiple energy markets with a linear optimization dispatch *** hydrogen compressed air energy storage(HCAES)power plant can utilize more revenue possibilities than a hydrogen energy storage because of the higher round-trip efficiency and the combination of the air compressor and the integrated electrolyzer during charging *** integration of the electrolyzer,however,offers a couple of challenges itself because of the highly flexible operation mode.A new concept for the controllable 24-pulse diode-thyristor rectifier of the electrolyzer is presented,that uses mostly common components while offering little to no grid harmonics and a long *** flexible integrated electrolyzer allows for the 4-quadrant operation of the storage power plant.

关键词： Long-term energy storage Hydrogen energy storage Compressed air energy storage Mixed-integer linear programming Electrolyzer 24-Pulse thyristor rectifier

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Reduction Discoloration of Reactive Dyed Cotton Waste and Chemical Recycling via Ionic Liquid

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Journal of Renewable Materials 2024年第9期12卷 1557-1571页

作者： Aline Ferreira Knihs Larissa Klen Aragão Miguel Angelo Granato Andrea Cristiane krause Bierhalz Rita de Cassia Siqueira Curto Valle Department of Textile Engineering Federal University of Santa CatarinaBlumenau89036-256Brazil

The textile industry generates large volumes of waste throughout its production *** of this waste is colored,therefore,discoloration is an important step toward recycling and reusing this *** study focused on the chemical reductive discoloration of textile waste composed of cotton dyed with reactive *** experimental design demonstrated the significant influence of the concentration of reducing agent and time of reaction on the degree of whiteness of the cotton *** concentration of the alkaline agent was not significant in the *** optimization of the reaction conditions lead to Berger degree of 50.5±*** discolored cotton was chemically recycled through dissolution in ionic liquid 1-ethyl-3-methylimidazolium chloride and regeneration in film form in *** microstructure of the regenerated cellulose films was evaluated by Scanning Electron Microscopy(SEM)indicating complete dissolution and uniform *** discoloration process reduced the polymerization degree and crystallinity index of the cotton fibers but retained the cellulose I *** dissolution and cellulose regeneration process results in transparent films with an amorphous *** thermal behavior,evaluated by thermogravimetric analysis,indicated that residues and regenerated film presented a main decomposition *** maximum decomposition rate temperature of the regenerated films was approximately 40℃lower than the cotton fibers,which correlates well with the reduction in polymerization degree and amorphous *** general,the study demonstrated that textile cotton waste dyed with reactive dyes can be chemically discolored to form transparent and amorphous films,contributing to the development of sustainable strategies for the textile industry.

关键词： Reactive dyed cotton waste reactive discoloration ionic liquid dissolution and regeneration recycling and reusing

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Enhanced diagnostic workup increases pathological findings in patients with acute ischaemic stroke:results of the prospective HEBRAS study

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Stroke & Vascular Neurology 2024年第2期9卷 145-152,I0414-I0425页

作者： Simon Hellwig Thomas krause Jan F Scheitz Juliane Herm Ulrike Grittner Nadja Jauert Jochen B Fiebach Mario Kasner Wolfram Doehner Matthias Endres Rolf Wachter Thomas Elgeti Christian H Nolte Karl Georg Haeusler Department of Neurology with Experimental Neurology Charité-Universitätsmedizin Berlincorporate member of Freie Universität Berlin and Humboldt-Universität zu BerlinBerlinGermany Center for Stroke Research Berlin BerlinGermany Berlin Institute of Health at Charité–Universitätsmedizin Berlin BIH Biomedical Innovation AcademyBerlinGermany Department of Neurology Jüdisches Krankenhaus BerlinBerlinGermany German Center for Cardiovascular Diseases(DZHK) Partner Site BerlinBerlinGermany Institute of Biometry and Clinical Epidemiology Charité-Universitätsmedizin BerlinBerlinGermany BIH Center for Regenerative Therapies(BCRT) Berlin Institute of Health at Charité–Universitätsmedizin BerlinBerlinGermany Department of Cardiology Charité-Universitätsmedizin BerlinBerlinGermany Department of Cardiology Campus Benjamin FranklinCharité-Universitätsmedizin BerlinBerlinGermany German Center for Neurodegenerative Diseases(DZNE) Partner Site BerlinBerlinGermany Department of Cardiology University Hospital LeipzigLeipzigGermany Department of Radiology Charité-Universitätsmedizin BerlinBerlinGermany Department of Neurology University Hospital WürzburgWürzburgGermany

Background Stroke aetiology remains cryptogenic in a relevant proportion of patients with acute ischaemic stroke(AIS).We assessed whether enhanced diagnostic workup after AIS yields a higher rate of prespecified pathological findings compared with routine diagnostic care *** Hospitalised patients with AIS were prospectively enrolled in the investigator-initiated observational HEart and BRain Interfaces in Acute Ischaemic Stroke(HEBRAS)study at the Charité,Berlin,*** with AIS without known atrial fibrillation(AF)underwent cardiovascular MR imaging(CMR),MR-angiography of the aortic arch and prolonged Holter-ECG monitoring on top of routine diagnostic *** Among 356 patients with AIS(mean age 66 years,37.6%female),enhanced workup yielded a higher rate of prespecified pathological findings compared with routine care(17.7%vs 5.3%;p<0.001).Consequently,fewer patients were classified as cryptogenic after enhanced diagnostic workup(38.5%vs 45.5%,p<0.001).Routine care included echocardiography in 228(64.0%)*** was successfully performed in 292(82.0%)patients and revealed more often a prespecified pathological finding compared with routine echocardiography(16.1%vs 5.3%).Furthermore,study-related ECG monitoring(median duration 162 hours(IQR 98–210))detected AF in 16(4.5%)patients,while routine monitoring(median duration 51 hours(IQR 34–74))detected AF in seven(2.0%)*** Enhanced diagnostic workup revealed a higher rate of prespecified pathological findings in patients with AIS compared with routine diagnostic care and significantly reduced the proportion of patients with cryptogenic *** registration number NCT02142413.

关键词： routine patients prospective

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Ca^(2+) binding to the C_(2)E domain of otoferlin is required for hair cell exocytosis and hearing

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Protein & Cell 2024年第4期15卷 305-312页

作者： Han Chen Mehar Monga Qinghua Fang Loujin Slitin Jakob Neef Shashank S.Chepurwar Regina Célia Mingroni Netto Karina Lezirovitz Alfredo Tabith,Jr. Fritz Benseler Nils Brose kathrin Kusch Carolin Wichmann Nicola Strenzke Barbara Vona Julia Preobraschenski Tobias Moser Institute for Auditory Neuroscience and InnerEarLab University Medical Center Göttingen37075 GöttingenGermany Collaborative Research Center 889 University of Göttingen37075 GöttingenGermany Auditory Neuroscience and Synaptic Nanophysiology Group Max Planck Institute for Multidisciplinary Sciences37075 GöttingenGermany Göttingen Graduate Center for Neurosciences Biophysics and Molecular BiosciencesUniversity of Göttingen37075 GöttingenGermany Biochemistry of Membrane Dynamics Group Institute for Auditory NeuroscienceUniversity Medical Center Göttingen37075 GöttingenGermany Molecular Architecture of Synapses Group Institute for Auditory Neuroscience and InnerEarLabUniversity Medical Center Göttingen37075 GöttingenGermany Center for Biostructural Imaging of Neurodegeneration University Medical Center Göttingen37075 GöttingenGermany Auditory Systems Physiology Group Institute for Auditory Neuroscience and InnerEarLabUniversity Medical Center Göttingen37075 GöttingenGermany Departamento de Genética e Biologia Evolutiva Centro de Pesquisas sobre o Genoma Humano e Células-TroncoInstituto de BiociênciasUniversidade de São PauloSão Paulo 05508-220Brazil Laboratório de Otorrinolaringologia/LIM32 Faculdade de MedicinaHospital das ClínicasUniversidade de São PauloSão PauloSP 05508-220Brazil DERDIC Pontifícia Universidade Católica de São PauloSão Paulo 05508-220Brazil Department of Molecular Neurobiology Max Planck Institute for Multidisciplinary Sciences37075 GöttingenGermany Multiscale Bioimaging Cluster of Excellence(MBExC) University of Göttingen37075 GöttingenGermany Functional Auditory Genomics Group Auditory Neuroscience and Optogenetics LaboratoryGerman Primate Center37077 GöttingenGermany Hearing Genomics Group Institute for Auditory Neuroscience and InnerEarLabUniversity Medical Center Göttingen37075 GöttingenGermany Institute of Human Genetics University Medical Center Göttingen37075 GöttingenGermany

Dear Editor,Afferent synapses of cochlear inner hair cells(IHCs)employ a unique molecular machinery(see extended background in Supplementary Materials).Otoferlin is a key player in this machinery and its defects cause human auditory synaptopathy(Moser and Starr,2016).Otoferlin,a tail-anchored(Vogl et al.,2016)multi-C_(2)-domain protein(Fig.1Ai)specific to hair cells(Roux et al.,2006),is a member of the ferlin protein family involved in membrane trafficking and repair that are of major disease relevance(Pangršičet al.,2012),also see Supplementary *** is distributed broadly within IHCs(Fig.2Ai-Aiii;Pangrsic et al.,2010;Roux et al.,2006).

关键词： auditory hair

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维生素D代谢物有助于母猪分娩过程

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国外畜牧学（猪与禽） 2024年第1期44卷 12-13页

作者： Katia Pedrosa kathrin Buehler Jan Dirk Van der Klis 张相鑫(译) 王晶晶(校) 孟祥光(制图) 不详

维生素D是一种重要的营养物质,母猪在妊娠后期和哺乳期对其需要量非常高。本文概述了维生素D对母猪分娩的影响,提出可以在常规添加维生素D之外补充1,25-二羟基维生素D3糖苷,以缩短分娩时间,减少分娩过程中的人为干预,减少死胎数。

关键词：维生素D 1 25-二羟基维生素D3糖苷分娩

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Designing coal panels in the conditions of associated methane and spontaneous fire hazards

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International Journal of Mining Science and Technology 2020年第4期30卷 525-531页

作者： Stanislaw Prusek Eugeniusz krause Jacek Skiba Central Mining Institute Katowice 40-166Poland

An increase in methane,spontaneous fire and bumping hazards in Polish hard coal mines,observed in the last two decades,led to the need to elaborate the tools allowing proper selection of a range of preventive measures to fight them at the stage of designing coal *** the production of a coal seams in the conditions of associated methane and spontaneous fires hazards in Polish hard coal mines requires elaboration of the design standards for coal panels in gassy coal *** paper presents the guidelines on how to design production in the conditions of associated methane and spontaneous fire *** tools and methodology since the very first research were many times verified by daily mining operations in the conditions of associated methane and spontaneous fire hazards,which confirms their significant contribution to the development of safe and economical mining operations.

关键词： Coal exploitation Methane Spontaneous fires Associated hazards Designing coal panels Ventilation

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The contribution of maps to the challenges of risk communication to the public

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International Journal of Digital Earth 2010年第3期3卷 292-311页

作者： Doris Dransch Henry Rotzoll kathrin Poser Helmholtz Centre Potsdam German Research Centre for GeosciencesPotsdamGermany Institute for Geography Humboldt-University BerlinBerlinGermany Center for Disaster Management and Risk Reduction Technology(CEDIM) PotsdamGermany

Risk communication is a significant challenge in risk *** serves different purposes;an important one is to improve the public risk awareness and *** of the strong spatio-temporal component of natural hazards,maps can play a decisive role in communicating risk *** application and design of maps for risk communication especially to the public has not been investigated *** constraints and challenges of risk communication have not been considered systematically in the map design process so *** study aims at developing a frame for the application and design of interactive risk and hazard maps for the public which is based on the specific constraints and challenges of risk *** a literature review it introduces concepts and methods from social sciences and psychology,which have been assessed as important for communicating risk *** concepts and methods are adapted to map-mediated risk communication according to the approaches of Activity *** objectives and tasks which are essential to improve risk mitigation are identified and geovisualization methods for information presentation are related according to the degree which they are able to serve *** on this,some principles for map-based risk communication are established.

关键词： risk management risk communication risk mitigation risk maps task-oriented geovisualization Digital Earth visualization geoinformatics GIS

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Frequency-selective Optimization of Periodic Gate Control Signals in DC/DC Converters for EMI-reduction

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Chinese Journal of Electrical Engineering 2022年第4期8卷 11-18页

作者： Caroline krause Stephan Frei On-board Systems Lab TU Dortmund UniversityDortmund 44227Germany

High-frequency switching of power transistors in power electronic systems can cause electromagnetic *** approaches for reducing high-frequency disturbances,such as inserting an additional gate resistor,lead to increased power *** makes achieving both electromagnetic compatibility and power efficiency *** gate drivers help to find a trade-off between these ***,only narrow-band disturbances must be ***,a target signal with a spectrum notched at some frequencies can be *** target signal can be reached by a target-signal-oriented control of the transistor’s *** leads to steeper switching slopes,such that the power losses are less *** arbitrary target signals is *** transistor signal exhibits some physical limitations.A constraint satisfaction problem must be solved,and the gate drive signal must be optimized by applying a residual and Newton’s *** proposed optimization process in the frequency domain is based on the circuit simulation method named“harmonic balance”.Measurements on a DC/DC converter exhibit the benefits of this method.

关键词： Power electronics active gate driving electromagnetic compatibility Newton’s method

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Thermal desorption of mercury from lignite in a high-temperature furnace and in power plant mills

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International Journal of Coal Science & Technology 2022年第5期9卷 150-159页

作者： Anne-Christin Kropp kathrin Gebauer Michael Beckmann Institute of Process Engineering and Environmental Technology Faculty of Mechanical Science and EngineeringTU Dresden01062 DresdenGermany

In this article,the binding forms of two lignite samples are determined by thermal desorption using a high-temperature *** mercury compound,such as HgCl2,has a specifc binding strength whose decomposition requires a certain thermal ***,the release of mercury from pure substances and lignite samples was analyzed in a high-temperature *** released mercury is determined with a Mercury Vapor *** obtained characteristic temperature range and peak of the mercury release were compared between lignite samples and mercury pure *** the lignite samples investigated,the binding form of mercury was then identifed as Humic *** organic compounds vaporize at lower *** half of the mercury bound in the lignite was already released at 350℃.Furthermore,the question arises whether mercury is already released during the grinding-drying process in the coal mill of a power *** two power plants,lignite samples were taken simultaneously at the feeder before entering the coal mill and at the dust line *** samples were analyzed for mercury *** results show that up to one third of the mercury was already released in the coal *** vaporized mercury enters the combustion chamber detached from the *** stated analysis methods and the results presented in this article contribute to the understanding of the mercury binding forms in *** also shows the potential of thermal coal pretreatment as a favorable alternative mercury separation technology to others such as activated carbon dosing.

关键词： Mercury binding forms Thermal desorption Mercury release Coal mill Coal pretreatment

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