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arXiv 2019年

作者： Zhou, You Zheng, Hanyu Kravchenko, Ivan I. Valentine, Jason Interdisciplinary Materials Science Program Vanderbilt University NashvilleTN37212 United States Department of Electric Engineering and Computer Science Vanderbilt University NashvilleTN37212 United States Center for Nanophase Materials Sciences Oak Ridge National Laboratory Oak RidgeTN37831 United States Department of Mechanical Engineering Vanderbilt University NashvilleTN37212 United States

Image processing has become a critical technology in a variety of science and engineering disciplines. While most image processing is performed digitally, optical analog processing has the advantages of being low-power and high-speed though it requires a large volume. Here, we demonstrate optical analog imaging processing using a flat optic for direct image differentiation allowing one to significantly shrink the required optical system size. We first demonstrate how the image differentiator can be combined with traditional imaging systems such as a commercial optical microscope and camera sensor for edge detection. Second, we demonstrate how the entire analog processing system can be realized as a monolithic compound flat optic by integrating the differentiator with a metalens. The compound nanophotonic system manifests the advantage of thin form factor optics as well as the ability to implement complex transfer functions and could open new opportunities in applications such as biological imaging and machine vision. Copyright © 2019, The Authors. All rights reserved.

关键词： Edge detection

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Revealing the Side-Chain-Dependent Ordering Transition of Highly Crystalline Double-Cable Conjugated Polymers

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Angewandte Chemie 2021年第48期133卷

作者： Guitao Feng Wenliang Tan Safakath Karuthedath Cheng Li Xuechen Jiao Amelia C. Y. Liu Hariprasad Venugopal Zheng Tang Long Ye Frédéric Laquai Christopher R. McNeill Weiwei Li Beijing Advanced Innovation Center for Soft Matter Science and Engineering & State Key Laboratory of Organic-Inorganic Composites Beijing University of Chemical Technology Beijing 100029 China Beijing National Laboratory for Molecular Sciences Key Laboratory of Organic Solids Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China Department of Materials Science and Engineering Monash University Wellington Road Clayton Victoria 3800 Australia King Abdullah University of Science and Technology (KAUST) KAUST Solar Center (KSC) Physical Sciences and Engineering Division (PSE) Material Science and Engineering Program (MSE) Thuwal 23955-6900 Kingdom of Saudi Arabia School of Physics and Astronomy Monash University Wellington Road Clayton Victoria 3800 Australia Ramaciotti Centre for Cryo-Electron Microscopy Monash University Clayton Victoria 3800 Australia Center for Advanced Low-dimension Materials College of Materials Science and Engineering Donghua University Shanghai 201620 P. R. China School of Materials Science and Engineering Tianjin Key Laboratory of Molecular Optoelectronic Science Tianjin University Tianjin 300350 P. R. China

We developed a series of highly crystalline double-cable conjugated polymers for application in single-component organic solar cells (SCOSCs). These polymers contain conjugated backbones as electron donor and pendant perylene bisimide units (PBIs) as electron acceptor. PBIs are connected to the backbone via alkyl units varying from hexyl (C 6 H 12 ) to eicosyl (C 20 H 40 ) as flexible linkers. For double-cable polymers with short linkers, the PBIs tend to stack in a head-to-head fashion, resulting in large d -spacings (e.g. 64 Å for the polymer P12 with C 12 H 24 linker) along the lamellar stacking direction. When the length of the linker groups is longer than a certain length, the PBIs instead adopt a more ordered packing likely via H -aggregation, resulting in short d -spacings (e.g. 50 Å for the polymer P16 with C 16 H 32 linker). This work highlights the importance of linker length on the molecular packing of the acceptor units and the influences on the photovoltaic performance of SCOSCs.

关键词： cryo-transmission electron microscopy double-cable conjugated polymers lamellar stacking single-component organic solar cells

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Universal research index: An inclusive metric to quantify scientific research output

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Journal of Academic Librarianship 2023年第3期49卷

作者： Keshavarz-Fathi, Mahsa Yazdanpanah, Niloufar Kolahchi, Sajad Ziaei, Heliya Darmstadt, Gary L. Dorigo, Tommaso Dochy, Filip Levin, Lisa Thongboonkerd, Visith Ogino, Shuji Chen, Wei-Hsin Perc, Matjaz Tremblay, Mark S. Olusanya, Bolajoko O. Rao, Idupulapati M. Hatziargyriou, Nikos Moradi-Lakeh, Maziar Bella, Federico Rosivall, Laszlo Gandomi, Amir H. Sorooshian, Armin Gupta, Manoj Gal, Ciprian Lozano, Andres M. Weaver, Connie Tanzer, Michael Poggi, Alessandro Sepanlou, Sadaf G. Weiskirchen, Ralf Jambrak, Anet Režek Torres, Pedro J. Capanoglu, Esra Barba, Francisco J. Ernest, Chua Kian Jon Sigman, Mariano Pluchino, Stefano Gharehpetian, Gevork B. Fereshtehnejad, Seyed-Mohammad Yang, Muh-Hwa Thomas, Sabu Cai, Wenju Comini, Elisabetta Scolding, Neil J. Myles, Paul S. Nieto, Juan J. Perry, George Sedikides, Constantine Rezaei, Nima School of Medicine Tehran University of Medical Sciences Tehran Iran Universal Scientific Education and Research Network (USERN) Iran Department of Pediatrics Stanford University School of Medicine Stanford CA United States Istituto Nazionale di Fisica Nucleare (INFN) Via Francesco Marzolo Sezione di Padova Italy High Impact Learning Academy Learning and Development Department Brussels Belgium Center for Marine Biodiversity and Conservation Integrative Oceanography Division Scripps Institution of Oceanography University of California San Diego San Diego CA United States Medical Proteomics Unit Office for Research and Development Faculty of Medicine Siriraj Hospital Mahidol University Bangkok Thailand Department of Epidemiology Harvard T.H. Chan School of Public Health Boston MA United States Program in MPE Molecular Pathological Epidemiology Department of Pathology Brigham and Women's Hospital and Harvard Medical School Boston MA United States Broad Institute of MIT and Harvard Cambridge MA United States Department of Aeronautics and Astronautics National Cheng Kung University Tainan Taiwan Research Center for Smart Sustainable Circular Economy Tunghai University Taichung 407 Taiwan Department of Mechanical Engineering National Chin-Yi University of Technology Taichung 411 Taiwan Faculty of Natural Sciences and Mathematics University of Maribor Maribor Slovenia Department of Medical Research China Medical University Hospital China Medical University Taichung Taiwan Complexity Science Hub Vienna Vienna Austria Alma Mater Europaea Maribor Slovenia Children's Hospital of Eastern Ontario Research Institute Department of Pediatrics University of Ottawa Ottawa ON Canada Centre for Healthy Start Initiative Ikoyi Lagos Nigeria Alliance of Bioversity International International Center for Tropical Agriculture Cali Colombia International Centre of Insect Physiology and Ecology (ICIPE) Nairobi Kenya School of Electrical and Computer Engineering Natio

Scientometrics and bibliometrics, the subfields of library and information science, deal with the quantity and quality of research outputs. Currently, various scientometric indices are being used to quantify and compare research outputs. The most widely known is the h-index. However, this index and its derivatives suffer from dependence on the mere count of a scholar's highly cited publications. To remedy this deficiency, we developed a novel index, the Universal Research Index (UR-Index) (https://***/UR-Index/) by which every single publication has its own impact on the total score. We developed this index by surveying international top 1 % cited scientists in various disciplines and included additional component variables such as publication type, leading role of a scholar, co-author count, and source metrics to this scientometric index. We acknowledge that unconscious biases built into the component variables included in the UR-Index might put research from specific groups at a disadvantage, thus continued efforts to improve equitable scholarly impact in science and academia are encouraged. © 2023 Elsevier Inc.

关键词： Citations CiteScore h-index Impact factor Leading author Research impact Scholarly impact Scholarly output Scientometrics UR-Index USERN

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Lithium-Ion Batteries: Operando Magnetometry Probing the Charge Storage Mechanism of CoO Lithium-Ion Batteries (Adv. Mater. 12/2021)

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Advanced materials 2021年第12期33卷

作者： Hongsen Li Zhengqiang Hu Qingtao Xia Hao Zhang Zhaohui Li Huaizhi Wang Xiangkun Li Fengkai Zuo Fengling Zhang Xiaoxiong Wang Wanneng Ye Qinghao Li Yunze Long Qiang Li Shishen Yan Xiaosong Liu Xiaogang Zhang Guihua Yu Guo-Xing Miao College of Physics Center for Marine Observation and Communications Qingdao University Qingdao 266071 China School of Physics State Key Laboratory of Crystal Materials Shandong University Jinan 250100 China State Key Laboratory of Functional Materials for Informatics Shanghai Institute of Microsystem and Information Technology (SIMIT) Chinese Academy of Sciences Shanghai 200050 China College of Material Science and Engineering Nanjing University of Aeronautics and Astronautics Nanjing 210016 China Materials Science and Engineering Program and Department of Mechanical Engineering The University of Texas at Austin Austin TX 78712 USA Department of Electrical and Computer Engineering & Institute for Quantum Computing University of Waterloo Waterloo ON N2L 3G1 Canada

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Low-frequency electronic noise in superlattice and random-packed thin films of colloidal quantum dots

arXiv

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arXiv 2019年

作者： Geremew, Adane Qian, Caroline Abelson, Alex Rumyantsev, Sergey Kargar, Fariborz Law, Matt Balandin, Alexander A. Department of Electrical and Computer Engineering University of California RiversideCA92521 United States Department of Chemical and Biomolecular Engineering University of California IrvineCA92627 United States Department of Materials Science and Engineering University of California IrvineCA92697 United States CENTERA Laboratories Institute of High-Pressure Physics Polish Academy of Sciences Warsaw01-142 Poland Department of Chemistry University of California IrvineCA92697 United States Center Materials Science and Engineering Program University of California RiversideCA92521 United States

We report measurements of low-frequency electronic noise in ordered superlattice, weakly-ordered and random-packed thin films of 6.5 nm PbSe quantum dots prepared using several different ligand chemistries. For all samples, the normalized noise spectral density of the dark current revealed a Lorentzian component, reminiscent of the generation-recombination noise, superimposed on the 1/f background (f is the frequency). An activation energy of ~0.3 eV was extracted from the temperature dependence of the noise spectra. The noise level in the ordered films was lower than that in the weakly-ordered and random-packed films. A large variation in the magnitude of the noise spectral density was also observed in samples with different ligand treatments. The obtained results are important for application of colloidal quantum dot films in photodetectors. Copyright © 2019, The Authors. All rights reserved.

关键词： Thin films

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Microchip-Based Structure Determination of Small Proteins Using Cryo-EM

SSRN

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SSRN 2020年

作者： Casasanta, Michael A. Jonaid, G.M. Kaylor, Liam Luqiu, William Y. Solares, Maria J. Schroen, Mariah L. Dearnaley, William J. Wilson, Jarad Dukes, Madeline J. Kelly, Deborah F. Department of Biomedical Engineering Pennsylvania State University University ParkPA16802 United States Materials Research Institute Pennsylvania State University University ParkPA16802 United States Bioinformatics and Genomics Graduate Program Huck Institutes of the Life Sciences Pennsylvania State University University ParkPA16802 United States Molecular Cellular and Integrative Biosciences Graduate Program Huck Institutes of the Life Sciences Pennsylvania State University University ParkPA16802 United States Department of Electrical and Computer Engineering Duke University DurhamNC27708 United States RayBiotech Life Peachtree CornersGA30092 United States Applications Science Protochips Inc MorrisvilleNC27560 United States

Interest in cryo-Electron Microscopy (EM) imaging has skyrocketed in recent years due to its pristine views of macromolecules and materials. As advances in instrumentation and computing algorithms spurred this progress, there is renewed focus to address specimen-related challenges. Here we contribute a microchip-based toolkit to perform complementary structural and biochemical analysis on low molecular-weight proteins. As a model system, we used the SARS-CoV-2 nucleocapsid (N) protein (48 kDa) due to its stability and important role in therapeutic development. Cryo-EM structures of the N protein monomer revealed a flexible N-terminal “top hat” motif and a helical-rich C-terminal domain. To complement our structural findings, we engineered microchip-based immunoprecipitation assays that led to the discovery of the first antibody binding site on the N protein. The data also facilitated molecular modeling of a variety of pandemic and common cold-related coronavirus proteins. Such insights may guide future pandemic-preparedness protocols through immuno-engineering strategies to mitigate viral outbreaks. © 2020, The Authors. All rights reserved.

关键词： Proteins

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Radiation shielding properties of Nd0.6Sr0.4Mn1−yNiyO3 substitute with different concentrations of nickle

arXiv

引用

arXiv 2020年

作者： Hamad, M.Kh. Mhareb, M.H.A. Alajerami, Y.S. Sayyed, M.I. Saleh, Gameel Maswadeh, Y. Ziq, Kh.A. Physics Department King Fahd University of Petroleum and Minerals Dhahran31261 Saudi Arabia Department of Physics College of Science Imam Abdulrahman Bin Faisal University P.O. Box 1982 Dammam31441 Saudi Arabia Basic and Applied Scientific Research Center Imam Abdulrahman Bin Faisal University P.O. Box 1982 Dammam31441 Saudi Arabia Physics and Astronomy Science Faculty Ohio University United States Medical Imaging Department Applied Medical Sciences Faculty Al Azhar University-Gaza Department of Physics Faculty of Science University of Tabuk Tabuk Saudi Arabia Department of Biomedical Engineering College of Engineering Imam Abdulrahman Bin Faisal University P.O. Box 1982 Dammam Saudi Arabia Department of Physics and Science of Advanced Materials Program Central Michigan University Mt. PleasantMI48859 United States

In this work, we investigate the effect of Ni concentration on several shielding properties of Nd0.6Sr0.4Mn1−yNiyO3 (0.00≤y≤0.20) perovskite ceramic for possible use as radiation shielding materials. X-ray diffraction (XRD) analysis revealed that these ceramics have the orthorhombic structure with group space Pnma over a wide range of Ni-substitutions. Moreover, the analysis showed a nearly linear decrease in the lattice parameters and the unit cell volume (V) causing a gradual increase in the packing density with increasing Ni concentration. The shielding features for photons, neutrons, and protons of all ceramic samples were assessed. The mass attenuation coefficient (MAC) was computed at 0.1, 0.6, 1.25, 5 and 15 MeV by utilizing (MCNP) (version 5.0);the results were compared with the corresponding values obtained using Phy-X and XCOM program. The results obtained showed slight enhancement with increasing Ni contents. The substitution of Ni leads to progressive enhancement in effective removal cross-section of fast neutron (∑R) values. Whereas the values of Mass Stopping Power (MSP) and projected range for the protons showed a gradual reduction with increasing Ni concentration. These findings suggest that the current ceramic samples can be useful as radiation shielding materials. Copyright © 2020, The Authors. All rights reserved.

关键词： Radiation shielding

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Author Correction: Contribution of Ryugu-like material to Earth’s volatile inventory by Cu and Zn isotopic analysis

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Nature Astronomy 2023年 633页

作者： Marine Paquet Frederic Moynier Wei Dai Yan Hu Martin Bizzarro Marc Chaussidon Tetsuya Yokoyama Ikshu Gautam Makiko K. Haba Akira Ishikawa Yuki Masuda Yoshinari Abe Jérôme Aléon Conel M. O’D. Alexander Richard W. Carlson Larry Nittler Sachiko Amari Yuri Amelin Ken-ichi Bajo Noriyuki Kawasaki Sohei Wada Hisayoshi Yurimoto Audrey Bouvier Byeon-Gak Choi Nicolas Dauphas Andrew M. Davis Tommaso Di Rocco Andreas Pack Wataru Fujiya Ryota Fukai Tomohiro Usui Kanako Sakamoto Masanao Abe Akiko Miyazaki Aiko Nakato Masahiro Nishimura Tatsuaki Okada Toru Yada Kasumi Yogata Satoru Nakazawa Takanao Saiki Satoshi Tanaka Yuichi Tsuda Makoto Yoshikawa Yuki Hibiya Hiroshi Hidaka Sei-ichiro Watanabe Hisashi Homma Peter Hoppe Gary R. Huss Alexander N. Krot Kazuhide Nagashima Kiyohiro Ichida Shintaro Komatani Mayu Morita Morihiko Onose Tsuyoshi Iizuka Trevor R. Ireland Motoo Ito Takaaki Noguchi Shoichi Itoh Noriko T. Kita Kouki Kitajima Thorsten Kleine Ming-Chang Liu Kevin D. McKeegan Lauren Tafla Haolan Tang Edward D. Young Kazuko Motomura Izumi Nakai David Nesvorný Ann N. Nguyen Changkun Park Laurette Piani Liping Qin Sara S. Russell Naoya Sakamoto Maria Schönbächler Kentaro Terada Yasuko Terada Meenakshi Wadhwa Richard J. Walker Katsuyuki Yamashita Qing-Zhu Yin Shigekazu Yoneda Hiroharu Yui Ai-Cheng Zhang Tomoki Nakamura Hiroshi Naraoka Ryuji Okazaki Hikaru Yabuta Fuyuto Terui Shogo Tachibana Université Paris Cité Institut de Physique du Globe de Paris CNRS Paris France Centre for Star and Planet Formation GLOBE Institute University of Copenhagen Copenhagen Denmark Department of Earth and Planetary Sciences Tokyo Institute of Technology Tokyo Japan Graduate School of Engineering Materials Science and Engineering Tokyo Denki University Tokyo Japan Institut de Minéralogie de Physique des Matériaux et de Cosmochimie Sorbonne Université Muséum National d’Histoire Naturelle CNRS UMR 7590 IRD Paris France Earth and Planets Laboratory Carnegie Institution for Science Washington DC USA McDonnell Center for the Space Sciences and Physics Department Washington University St. Louis MO USA Guangzhou Institute of Geochemistry Chinese Academy of Sciences Guangzhou China Natural History Sciences IIL Hokkaido University Sapporo Japan Bayerisches Geoinstitut Universität Bayreuth Bayreuth Germany Department of Earth Science Education Seoul National University Seoul Republic of Korea Department of the Geophysical Sciences and Enrico Fermi Institute The University of Chicago Chicago IL USA Faculty of Geosciences and Geography University of Göttingen Göttingen Germany Faculty of Science Ibaraki University Mito Japan ISAS/JSEC JAXA Sagamihara Japan General Systems Studies The University of Tokyo Tokyo Japan Earth and Planetary Sciences Nagoya University Nagoya Japan Osaka Application Laboratory SBUWDX Rigaku Corporation Osaka Japan Max Planck Institute for Chemistry Mainz Germany Hawai’i Institute of Geophysics and Planetology University of Hawai’i at Mānoa Honolulu HI USA Analytical Technology Horiba Techno Service Co. Ltd Kyoto Japan Earth and Planetary Science The University of Tokyo Tokyo Japan School of Earth and Environmental Sciences The University of Queensland St Lucia Queensland Australia Kochi Institute for Core Sample Research JAMSTEC Kochi Japan Earth and Planetary Sciences Kyoto University Kyoto Japan Geoscience Universit

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Environmental considerations and current status of grouping and regulation of engineered nanomaterials

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Environmental Nanotechnology, Monitoring and Management 2022年 18卷

作者： Tschiche, Harald R. Bierkandt, Frank S. Creutzenberg, Otto Fessard, Valerie Franz, Roland Giese, Bernd Greiner, Ralf Haas, Karl‑Heinz Haase, Andrea Hartwig, Andrea Hund‑Rinke, Kerstin Iden, Pauline Kromer, Charlotte Loeschner, Katrin Mutz, Diana Rakow, Anastasia Rasmussen, Kirsten Rauscher, Hubert Richter, Hannes Schoon, Janosch Schmid, Otmar Som, Claudia M.Tovar, Günter E. Westerhoff, Paul Wohlleben, Wendel Luch, Andreas Laux, Peter German Federal Institute for Risk Assessment (BfR) Department of Chemical and Product Safety Berlin Germany Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM) Hannover Germany French Agency for Food Environmental and Occupational Health & Safety (ANSES) Fougères Laboratory Toxicology of contaminants Unit Fougères France Fraunhofer Institute for Process Engineering and Packaging (IVV) Freising Germany University of Natural Resources and Life Sciences (BOKU) Institute of Safety and Risk Sciences (ISR) Vienna Austria Max Rubner-Institut Department of Food Technology and Bioprocess Engineering Karlsruhe Germany Fraunhofer Institute for Silicate Research (ISC) Würzburg Germany Karlsruhe Institute of Technology (KIT) Institute of Applied Biosciences (IAB) Food Chemistry and Toxicology Germany Fraunhofer Institute for Molecular Biology and Applied Ecology (IME) Schmallenberg Germany Nanid Scientific Consulting Germany National Food Institute Technical University of Denmark Lyngby Denmark German Federal Institute for Risk Assessment (BfR) Research Strategy and Coordination Berlin Germany Charité - Universitätsmedizin Berlin Center for Musculoskeletal Surgery Berlin Germany University Medicine Greifswald Center for Orthopaedics Trauma Surgery and Rehabilitation Medicine Greifswald Germany European Commission Joint Research Centre (JRC) Ispra Italy Fraunhofer IKTS - Institute for Ceramic Technologies and Systems Hermsdorf Germany Berlin Institute of Health at Charité - Universitätsmedizin Berlin Julius Wolff Institute Berlin Germany Comprehensive Pneumology Center (CPC-M) Member of the German Center for Lung Research (DZL) Munich Germany Institute of Lung Health and Immunity Helmholtz Zentrum München – German Research Center for Environmental Health Neuherberg Germany Swiss Federal Laboratories for Materials Science and Technology (Empa) Technology and Society Laboratory St. Gallen Switzerland Fraunhofer Institute for Interfacial Engineering and Biot

This article reviews the current status of nanotechnology with emphasis on application and related environmental considerations as well as legislation. Application and analysis of nanomaterials in infrastructure (construction, building coatings, and water treatment) is discussed, and in particular nanomaterial release during the lifecycle of these applications. Moreover, possible grouping approaches with regard to ecotoxicological and toxicological properties, and the fate of nanomaterials in the environment are evaluated. In terms of potential exposure, the opportunities that arise from leveraging advances in several key areas, such as water treatment and construction are addressed. Additionally, this review describes challenges with regard to the European Commission's definition of ‘nanomaterial’. The revised REACH information requirements, intended to enable a comprehensive risk assessment of nanomaterials, are outlined. © 2022 The Author(s)

关键词： Engineered Nanomaterials Environmental Nanotechnology Grouping Regulation

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Phenotate: crowdsourcing phenotype annotations as exercises in undergraduate classes (vol 12, pg 631, 2020)

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GENETICS IN MEDICINE 2020年第8期22卷 1427-1427页

作者： Chang, Willie H. Mashouri, Pouria Lozano, Alexander X. Johnstone, Brittney Husic, Mia Olry, Annie Maiella, Sylvie Balci, Tugce B. Sawyer, Sarah L. Robinson, Peter N. Rath, Ana Brudno, Michael Centre for Computational Medicine The Hospital For Sick Children Toronto ON Canada Department of Computer Science Princeton University Princeton NJ USA Faculty of Medicine University of Toronto Toronto ON Canada Department of Materials Science & Engineering Stanford University Stanford CA USA Sunnybrook Health Sciences Centre Toronto ON Canada Orphanet Institut national de la santé et de la recherche médicale Paris France Medical Genetics Program of Southwestern Ontario London Health Sciences Centre London ON Canada Department of Genetics Children’s Hospital of Eastern Ontario and Children’s Hospital of Eastern Ontario Research Institute University of Ottawa Ottawa ON Canada The Jackson Laboratory for Genomic Medicine Farmington CT USA Institute for Systems Genomics University of Connecticut Farmington CT USA Department of Computer Science University of Toronto Toronto ON Canada Genetics and Genome Biology Program The Hospital for Sick Children Toronto ON Canada University Health Network Toronto ON Canada

PurposeComputational documentation of genetic disorders is highly reliant on structured data for differential diagnosis, pathogenic variant identification, and patient matchmaking. However, most information on rare diseases (RDs) exists in freeform text, such as academic literature. To increase availability of structured RD data, we developed a crowdsourcing approach for collecting phenotype information using student *** developed Phenotate, a web application for crowdsourcing disease phenotype annotations through assignments for undergraduate genetics students. Using student-collected data, we generated composite annotations for each disease through a machine learning approach. These annotations were compared with those from clinical practitioners and gold standard curated *** Phenotate in five undergraduate genetics courses, we collected annotations for 22 diseases. Student-sourced annotations showed strong similarity to gold standards, with F-measures ranging from 0.584 to 0.868. Furthermore, clinicians used Phenotate annotations to identify diseases with comparable accuracy to other annotation sources and gold standards. For six disorders, no gold standards were available, allowing us to create some of the first structured annotations for them, while students demonstrated ability to research *** enables crowdsourcing RD phenotypic annotations through educational assignments. Presented as an intuitive web-based tool, it offers pedagogical benefits and augments the computable RD knowledgebase.

关键词： rare diseases phenotype crowdsourcing medical education machine learning

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