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arXiv 2022年

作者： Lang, Arad Polishchuk, Iryna Confalonieri, Giorgia Dejoie, Catherine Maniv, Ariel Potashnikov, Daniel Caspi, El'Ad N. Pokroy, Boaz Department of Materials Science and Engineering The Russell Berrie Nanotechnology Institute Technion-Israel Institute of Technology Haifa32000 Israel ESRF The European Synchrotron Radiation Facility CS 40220 Grenoble Cedex 938043 France Physics Department Nuclear Research Centre Negev P.O. Box 9001 Beer-Sheva84190 Israel Israel Atomic Energy Commission P.O. Box 7061 Tel-Aviv61070 Israel The Nancy and Stephen Grand Technion Energy Program Technion-Israel Institute of Technology Haifa3200003 Israel

Incorporation of organic molecules into the lattice of inorganic crystalline hosts is a common phenomenon in biomineralization, and has been shown to alter various properties of the crystalline host. Taking this phenomenon as our source of inspiration, we show herein that incorporation of specific single amino acids into the lattice of manganese (II) carbonate strongly alters its inherent magnetic properties. At room temperature, the magnetic susceptibility of the amino-acid-incorporating paramagnetic MnCO3decreases, following a simple rule of mixtures. When cooled below the Néel temperature, however, the opposite trend is observed, namely an increase in magnetic susceptibility measured in a high magnetic field. Such an increase, accompanied by a drastic change in the Néel phase transformation temperature, results from a decrease in MnCO3orbital overlapping and the weakening of superexchange interactions. To our knowledge, this is the first time that the magnetic properties of a host crystal have been tuned via the incorporation of amino acids. © 2022, CC BY-SA.

关键词： Amino acids

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Preventing bad behavior in academia

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四川生理科学杂志 2024年第7期46卷 1615-1615页

作者： Rayane da Cruz Albino Faculty of Pharmacy Federal University of Rio de Janeiro Rio de Janeiro RJ Brazil. Department of Host-Microbe Interactions St. Jude Children’s Research Hospital Memphis TN USA. School of the Environment The University of Queensland Whiterock QLD Australia. KU Leuven Ghent Belgium. Laboratory for Computational Social Systems Indraprastha Institute of Information Technology Delhi New Delhi India. University Medical College Shantou Guangdong China. Department of Ecoscience Aarhus Universitet Aarhus Denmark. Institute of Environment and Sustainable Development Banaras Hindu University Varanasi Uttar Pradesh India. Department of Medical Parasitology Faculty of Medicine and Health Sciences Sana’a University Sana’a Yemen and Tropical Disease Research Center Faculty of Medicine and Health Sciences University of Science and Technology Sana’a Yemen. Department of Medicine University of Montreal Montreal QC Canada. Electricity Infrastructure and Buildings Division Pacific Northwest National Laboratory Portland OR USA. Department of Biological Sciences University of New Brunswick Saint John Saint John NB Canada. Department of Biomedical Engineering The University of Melbourne Melbourne VIC Australia. Vagelos Molecular Life Sciences Program University of Pennsylvania Philadelphia PA USA. Doctoral Program in Neurobiology and Behavior Columbia University New York NY USA. Department of Genetics and Genomic Sciences Icahn School of Medicine at Mount Sinai New York NY USA. Department of Engineering University of Cambridge Cambridge Cambridgeshire UK. Department of Geography Liverpool John Moores University Liverpool UK. Department of Biology Stanford University Stanford CA USA. Department of Psychology University of Nicosia Nicosia Cyprus. Department of Global Ecology Carnegie Institution for Science Stanford CA USA. Research and Support Division Stellenbosch University Cape Town South Africa.

We gave young scientists this prompt:Describe one change to scientific policy or culture that would substantially decrease incidents of scientific misconduct or other unethical behavior.

关键词： behavior. prompt culture

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Chemical Electron Tomography at Lower Dose and Higher Resolution

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Microscopy and Microanalysis 2024年第SUPPLEMENT_1期30卷

作者： Hovden, Robert Schwartz, Jonathan Sung, Suk Hyun Di, Zichao Wendy Jiang, Yi Manassa, Jason Pietryga, Jacob Qian, Yiwen Cho, Min Gee Rowell, Jonathan L Zheng, Huihuo Robinson, Richard D Gu, Junsi Kirilin, Alexey Rozeveld, Steve Ercius, Peter Scott, Mary Department of Materials Science and Engineering University of Michigan Ann Arbor MI Applied Physics Program University of Michigan Ann Arbor MI Chan Zuckerberg Initiative Redwood City CA Rowland Institute at Harvard Cambridge MA. Mathematics and Computer Science Division Argonne National Laboratory Lemont IL Advanced Photon Source Facility Argonne National Laboratory Lemont IL Department of Materials Science and Engineering U.C. Berkeley Berkeley CA National Center for Electron Microscopy Molecular Foundry Berkeley CA Department of Chemistry and Chemical Biology Cornell University Ithaca NY Argonne Leadership Computing Facility Argonne National Laboratory Lemont IL Dow Chemical Co. Terneuzen Netherlands Dow Chemical Co. Midland MI

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Exploring non-conventional techniques in biodiesel production: A brief review

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Molecular Catalysis 2025年 584卷

作者： Didik Krisdiyanto Karna Wijaya Akhmad Syoufian Aldino Javier Saviola Riska Astin Fitria Puji Wahyuningsih Bayu Wiyantoko Remi Ayu Pratika Won-Chun Oh J.V. Shanmukha Kumar Department of Chemistry Faculty of Mathematics and Natural Sciences Universitas Gadjah Mada Yogyakarta 55281 Indonesia Chemistry Study Program Faculty of Science and Technology UIN Sunan Kalijaga Yogyakarta 55281 Indonesia Department of Chemistry Faculty of Engineering Universitas Samudra Aceh 24354 Indonesia Department of Chemistry Faculty of Mathematics and Natural Sciences Universitas Islam Indonesia Yogyakarta 55584 Indonesia Study Program of Chemistry Faculty of Mathematics and Natural Sciences Universitas Palangka Raya Palangka Raya 73111 Indonesia Department of Advanced Materials and Engineering Hanseo University Seosan-si Chungcheongnam-do 31962 Republic of Korea Department of Chemistry Koneru Lakshmaiah Education Foundation Vaddeswaram Guntur Andhra Pradesh 522502 India

Biodiesel represents a renewable and sustainable alternative to fossil fuels, offering notable environmental advantages such as reduced greenhouse gas emissions, lower toxicity, and biodegradability. However, its conventional production, primarily via the transesterification of vegetable oils or animal fats, faces considerable challenges, including high production costs, limited feedstock availability, energy intensive processes, and competition with food resources, all of which impede its large-scale implementation. This review critically evaluates the potential of emerging non-conventional feedstocks and production methods to address these limitations and enhance the overall feasibility of biodiesel. Alternative feedstocks such as waste cooking oil, lignocellulosic biomass, and microalgae are highlighted for their abundance, cost effectiveness, and minimal competition with food production, with microalgae particularly notable due to their rapid growth and high lipid content, making them a promising third generation source. Concurrently, advanced production technologies including enzymatic catalysis, supercritical fluids, microwave-assisted, ultrasound-assisted, and photothermal transesterification are examined for their capacity to increase reaction efficiency, reduce energy consumption, and process low quality feedstocks. Noteworthy advancements, such as microwave assisted systems that reduce reaction time by over 99 % and achieve biodiesel yields exceeding 96 % under ambient conditions, underscore the potential for industrial scale application. By comparing conventional and non-conventional approaches, this review underscores the pivotal role of innovation in overcoming technical and economic barriers, offering a comprehensive synthesis of recent developments to inform future research, industrial practices, and policy initiatives aimed at fostering a more sustainable biodiesel industry.

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Biomolecular Densely Grafted Brush Polymers: Oligonucleotides, Oligosaccharides and Oligopeptides

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Angewandte Chemie 2020年第45期132卷

作者： Choi W. Sun H. Battistella C. Berger O. Vratsanos M.A. Wang M.M. Gianneschi N.C. Department Department of Chemistry Materials Science & Engineering Biomedical Engineering Pharmacology International Institute for Nanotechnology Simpson Querrey Institute Chemistry of Life Processes Institute Lurie Cancer Center Northwestern University 2145 Sheridan Road Evanston IL 60208 United States

In this Minireview, we describe synthetic polymers densely functionalized with sequence-defined biomolecular sidechains. We focus on synthetic brush polymers of oligonucleotides, oligosaccharides, and oligopeptides, prepared via graft-through polymerization from biomolecule functionalized monomers. The resulting structures are brush polymers wherein a biomolecular graft is positioned at each monomer backbone unit. We describe key synthetic milestones, identify synthetic opportunities, and highlight recent advances in the field, including biological applications. © 2020 Wiley-VCH GmbH

关键词： brush polymers graft-through polymerization oligonucleotides oligopeptides oligosaccharides

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Correction to: Improvement of recycled concrete aggregate using alkali-activated binder treatment

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materials and Structures 2022年第1期55卷 1-1页

作者： Damrongwiriyanupap, Nattapong Wachum, Akaraphol Khansamrit, Kamonphop Detphan, Satakhun Hanjitsuwan, Sakonwan Phoo-ngernkham, Tanakorn Sukontasukkul, Piti Li, Long-yuan Chindaprasirt, Prinya Department of Civil Engineering School of Engineering University of Phayao Phayao Thailand Sustainable Construction Material Technology Research Unit Department of Civil Engineering Faculty of Engineering and Technology Rajamangala University of Technology Isan Nakhon Ratchasima Thailand Program of Civil Technology Faculty of Industrial Technology Lampang Rajabhat University Lampang Thailand Construction and Building Materials Research Center Department of Civil Engineering Faculty of Engineering King Mongkut’s University of Technology-North Bangkok Bangkok Thailand School of Engineering Faculty of Science and Engineering Plymouth University Plymouth United Kingdom Sustainable Infrastructure Research and Development Center Department of Civil Engineering Faculty of Engineering Khon Kaen University Khon Kaen Thailand Academy of Science The Royal Society of Thailand Dusit Bangkok Thailand

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Erratum to: materials and devices for flexible and stretchable photodetectors and light-emitting diodes

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Nano Research 2021年第11期14卷 4362-4362页

作者： Jun-Kyul Song Min Sung Kim Seungwon Yoo Ja Hoon Koo Dae-Hyeong Kim Center for Nanoparticle Research Institute for Basic Science(IBS)Seoul08826Republic of Korea School of Chemical and Biological Engineering and Institute of Chemical Processes Seoul National UniversitySeoul08826Republic of Korea Interdisciplinary Program for Bioengineering Seoul National UniversitySeoul08826Republic of Korea Department of Materials Science and Engineering Seoul National UniversitySeoul08826Republic of Korea

Erratum to Nano Research 2021,14(9):2919-2937 https://***/10.1007/s 12274-021-3447-3 The figure caption of Figure 1,instead of Figure 1 Schematic illustration of various nanomaterials and organic materials used in fle... 详细信息

关键词： diodes emitting Figure

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Retraction notice to "Personal protective equipment-derived pollution during Covid-19 era: A critical review of ecotoxicology impacts, intervention strategies, and future challenges" [Sci. Total Environ. 887(2023) 164164]

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The science of the total environment 2025年 967卷 178758页

作者： Mehedi Hasan Abu Reza Md Towfiqul Islam Most Mastura Munia Farjana Jion Md Naimur Rahman Susmita Datta Peu Arnob Das A B M Mainul Bari Md Saiful Islam Subodh Chandra Pal Aznarul Islam Tasrina Rabia Choudhury Md Refat Jahan Rakib Abubakr M Idris Guilherme Malafaia Department of Disaster Management Begum Rokeya University Rangpur 5400 Bangladesh. Department of Disaster Management Begum Rokeya University Rangpur 5400 Bangladesh Department of Development Studies Daffodil International University Dhaka 1216 Bangladesh. Department of Geography and Environmental Science Begum Rokeya University Rangpur 5400 Bangladesh. Department of Agriculture Hajee Mohammad Danesh Science and Technology University Dinajpur 5200 Bangladesh. Department of Mechanical Engineering Rajshahi University of Engineering & Technology 6 Rajshahi 6204 Bangladesh. Department of Industrial and Production Engineering Bangladesh University of Engineering and Technology Dhaka 1000 Bangladesh. Department of Soil Science Patuakhali Science and Technology University Dumki Patuakhali 8602 Bangladesh. Department of Geography The University of Burdwan Bardhaman 713104 West Bengal India. Department of Geography Aliah University 17 Gorachand Road Kolkata 700 014 West Bengal India. Analytical Chemistry Laboratory Chemistry Division Atomic Energy Centre Dhaka (AECD) Bangladesh Atomic Energy Commission Dhaka 1000 Bangladesh. Department of Fisheries and Marine Science Faculty of Science Noakhali Science and Technology University Noakhali Bangladesh. Department of Chemistry College of Science King Khalid University Abha 62529 Saudi Arabia Research Center for Advanced Materials Science (RCAMS) King Khalid University Abha Saudi Arabia. Post-Graduation Program in Conservation of Cerrado Natural Resources Goiano Federal Institute Urutaí GO Brazil Post-Graduation Program in Ecology Conservation and Biodiversity Federal University of Uberlândia Uberlândia MG Brazil Post-Graduation Program in Biotechnology and Biodiversity Federal University of Goiás Goiânia GO Brazil.

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Author Correction: A low-power stretchable neuromorphic nerve with proprioceptive feedback

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Nature biomedical engineering 2022年第9期6卷 1085页

作者： Yeongjun Lee Yuxin Liu Dae-Gyo Seo Jin Young Oh Yeongin Kim Jinxing Li Jiheong Kang Jaemin Kim Jaewan Mun Amir M Foudeh Zhenan Bao Tae-Woo Lee Department of Materials Science and Engineering Seoul National University Seoul Republic of Korea. Department of Chemical Engineering Stanford University Stanford CA USA. Department of Bioengineering Stanford University Stanford CA USA. Department of Biomedical Engineering National University of Singapore Singapore Singapore. Department of Electrical Engineering Stanford University Stanford CA USA. Department of Chemical Engineering Stanford University Stanford CA USA. zbao@stanford.edu. Department of Materials Science and Engineering Seoul National University Seoul Republic of Korea. twlees@snu.ac.kr. School of Chemical and Biological Engineering Seoul National University Seoul Republic of Korea. twlees@snu.ac.kr. Institute of Engineering Research Research Institute of Advanced Materials Soft Foundry Seoul National University Seoul Republic of Korea. twlees@snu.ac.kr.

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Enhanced Surface Interactions Enable Fast Li+ Conduction in Oxide/Polymer Composite Electrolyte

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Advanced materials 2020年第10期59卷 4160-4166页

作者： Wu, Nan Chien, Po-Hsiu Qian, Yumin Li, Yutao Xu, Henghui Grundish, Nicholas S. Xu, Biyi Jin, Haibo Hu, Yan-Yan Yu, Guihua Goodenough, John B. Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science & Engineering Beijing Institute of Technology Beijing100081 China Materials Science and Engineering Program and Texas Materials Institute The University of Texas at Austin AustinTX78712 United States Center of Interdisciplinary Magnetic Resonance National High Magnetic Field Laboratory 1800 East Paul Dirac Drive TallahasseeFL32310 United States Department of Chemistry and Biochemistry Florida State University TallahasseeFL32306 United States

Li+-conducting oxides are considered better ceramic fillers than Li+-insulating oxides for improving Li+ conductivity in composite polymer electrolytes owing to their ability to conduct Li+ through the ceramic oxide as well as across the oxide/polymer interface. Here we use two Li+-insulating oxides (fluorite Gd0.1Ce0.9O1.95 and perovskite La0.8Sr0.2Ga0.8-Mg0.2O2.55) with a high concentration of oxygen vacancies to demonstrate two oxide/poly(ethylene oxide) (PEO)-based polymer composite electrolytes, each with a Li+ conductivity above 10−4 Scm−1 at 30°C. Li solid-state NMR results show an increase in Li+ ions (>10%) occupying the more mobile A2 environment in the composite electrolytes. This increase in A2-site occupancy originates from the strong interaction between the O2− of Li-salt anion and the surface oxygen vacancies of each oxide and contributes to the more facile Li+ transport. All-solid-state Li-metal cells with these composite electrolytes demonstrate a small interfacial resistance with good cycling performance at 35°C. © 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

关键词： Ethylene

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