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Neuroprosthetics: Durable and Fatigue-Resistant Soft Peripheral Neuroprosthetics for In Vivo Bidirectional Signaling (Adv. Mater. 20/2021)

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Advanced Materials 2021年第20期33卷

作者： Hyunseon Seo Sang Ihn Han Kang-Il Song Duhwan Seong Kyungwoo Lee Sun Hong Kim Taesung Park Ja Hoon Koo Mikyung Shin Hyoung Won Baac Ok Kyu Park Soong Ju Oh Hyung-Seop Han Hojeong Jeon Yu-Chan Kim Dae-Hyeong Kim Taeghwan Hyeon Donghee Son School of Medicine Sungkyunkwan University Suwon 16419 Republic of Korea Center for Biomaterials Biomedical Research Institute Korea Institute of Science and Technology Seoul 02792 Republic of Korea Center for Nanoparticle Research Institute of Basic Science (IBS) Seoul 08826 Republic of Korea School of Chemical and Biological Engineering Seoul National University Seoul 08826 Republic of Korea Medical Device Development Center Daegu-Gyeongbuk Medical Innovation Foundation Daegu 41061 Republic of Korea Department of Electrical and Computer Engineering Sungkyunkwan University Suwon 16419 Republic of Korea Department of Electrical and Computer Engineering Inter-University Semiconductor Research Center Seoul National University Seoul 08826 Republic of Korea Department of Materials Science and Engineering Korea University Seoul 02841 Republic of Korea Interdisciplinary Program for Bioengineering Seoul National University Seoul 08826 Republic of Korea Department of Biomedical Engineering SKKU Institute for Convergence Sungkyunkwan University Suwon 16419 Republic of Korea Center for Neuroscience Imaging Research Institute for Basic Science (IBS) Suwon 16419 Republic of Korea Department of Superintelligence Engineering Sungkyunkwan University Suwon 16419 Republic of Korea

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Biotechnology and Bioengineering 2020年第5期117卷

作者： A. H. Rezwanuddin Ahmed Zeynep Dereli‐Korkut Joanne Haeun Lee Sidra Piracha M. Lane Gilchrist Xuejun Jiang Sihong Wang Biomedical Engineering Department City College City University of New York New York City New York Chemical Engineering Department City College City University of New York New York City New York Cell Biology Program Memorial Sloan Kettering Cancer Center New York City New York

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Modulation of Foreign Body Reaction against PDMS Implant by Grafting Topographically Different Poly(Acrylic Acid) Micropatterns

SSRN

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SSRN 2019年

作者： Lee, Jae Sang Shin, Byung Ho Yoo, Byoung Yong Nam, Sun-Young Lee, Miji Park, Hansoo Choy, Young Bin Heo, Chan Yeong Koh, Won-Gun Department of Chemical and Biomolecular Engineering Yonsei University Seoul03722 Korea Republic of Department of Biomedical Engineering College of Medicine Seoul National University Seoul03080 Korea Republic of Interdisciplinary Program for Bioengineering College of Engineering Seoul National University Seoul08826 Korea Republic of Institute of Medical & Biological Engineering Medical Research Center Seoul National University Seoul03080 Korea Republic of Department of Plastic and Reconstructive Surgery College of Medicine Seoul National University Seoul03080 Korea Republic of Department of Plastic and Reconstructive Surgery Seoul National University Bundang Hospital Seongnam13620 Korea Republic of School of Integrative Engineering Chung-Ang University Korea Republic of

The surface of poly(dimethylsiloxane) (PDMS) was grafted with poly(acrylic acid) (PAA) layers via surface-initiated photopolymerization to suppress the capsular contracture resulting from a foreign body reaction. Owing to the nature of photo-induced polymerization, various PAA micropatterns could be fabricated using photolithography. Hole and stripe micropatterns approximately 100-μm wide and 3-μm thick were grafted onto the PDMS surface without delamination. The incorporation of PAA micropatterns provided not only chemical cues by hydrophilic PAA microdomains but also topographical cues by hole or stripe micropatterns. In vitro studies revealed that a PAA-grafted PDMS surface had a lower proliferation of both macrophages and fibroblasts regardless of the pattern presence. However, PDMS with PAA micropatterns, especially stripe micropatterns, minimized the aggregation of fibroblasts and their subsequent differentiation into myofibroblasts. An in vivo study also showed that PDMS samples with stripe micropatterns polarized macrophages into anti-inflammatory M2 macrophages and most effectively inhibited capsular contracture, which was demonstrated by investigating the inflammation score, transforming-growth-factor-β expression, number of macrophages, and myofibroblasts as well as the collagen density and capsule thickness. © 2019, The Authors. All rights reserved.

关键词： Macrophages

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Ferroptosis Detection: From Approaches to Applications

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Angewandte Chemie 2023年第35期135卷

作者： Fantian Zeng Sureya Nijiati Longguang Tang Jinmin Ye Zijian Zhou Xiaoyuan Chen State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine School of Public Health Xiamen University Xiamen 361102 China Contribution: Conceptualization (equal) Writing - original draft (equal) Affiliated Gaozhou People's Hospital Guangdong Medical University Guangdong 524023 China Contribution: Writing - original draft (supporting) Shenzhen Research Institute of Xiamen University Shenzhen 518057 China Contribution: Funding acquisition (lead) Supervision (lead) Writing - review & editing (equal) Departments of Diagnostic Radiology Chemical and Biomolecular Engineering and Biomedical Engineering Yong Loo Lin School of Medicine and College of Design and Engineering National University of Singapore Singapore 119074 Singapore Clinical Imaging Research Centre Centre for Translational Medicine Yong Loo Lin School of Medicine National University of Singapore Singapore 117599 Singapore Nanomedicine Translational Research Program NUS Center for Nanomedicine Yong Loo Lin School of Medicine National University of Singapore Singapore 117597 Singapore Institute of Molecular and Cell Biology Agency for Science Technology and Research (A*STAR) 61 Biopolis Drive Proteos Singapore 138673 Singapore Contribution: Funding acquisition (supporting) Supervision (supporting) Writing - review & editing (equal)

Understanding the intricate molecular machinery that governs ferroptosis and leveraging this accumulating knowledge could facilitate disease prevention, diagnosis, treatment, and prognosis. Emerging approaches for the in situ detection of the major regulators and biological events across cellular, tissue, and in living subjects provide a multiscale perspective for studying ferroptosis. Furthermore, advanced applications that integrate ferroptosis detection and the latest technologies hold tremendous promise in ferroptosis research. In this review, we first briefly summarize the mechanisms and key regulators underlying ferroptosis. Ferroptosis detection approaches are then presented to delineate their design, mechanisms of action, and applications. Special interest is placed on advanced ferroptosis applications that integrate multifunctional platforms. Finally, we discuss the prospects and challenges of ferroptosis detection approaches and applications, with the aim of providing a roadmap for the theranostic development of a broad range of ferroptosis-related diseases.

关键词： Ferroptosis Fluorescence Probes PET

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Electronic and magnetic properties of perovskite selenite and tellurite compounds: CoSeO3, NiSeO3, CoTeO3 and NiTeO3

arXiv

引用

arXiv 2019年

作者： M. Iasir, A. Rafi Lombardi, Todd Lu, Qiangsheng Mofrad, Amir M. Vaninger, Mitchel Zhang, Xiaoqian Singh, David J. Nuclear Engineering Program University of Missouri ColumbiaMO65211 United States Department of Physics and Astronomy University of Missouri ColumbiaMO65211-7010 United States Department of Biomedical Biological and Chemical Engineering University of Missouri ColumbiaMO65211 United States Jiangsu Provincial Key Laboratory of Advanced Photonic and Electronic Materials Collaborative Innovation Center of Advanced Microstructures School of Electronic Science and Engineering Nanjing University Nanjing210093 China Department of Chemistry University of Missouri ColumbiaMO65211 United States

Selenium and tellurium are among the few elements that form ABO3 perovskite structures with a four valent ion in the A site. This leads to highly distorted structures and unusual magnetic behavior. Here we investigate the Co and Ni selenite and tellurite compounds, CoSeO3, CoTeO3, NiSeO3 and NiTeO3 using first principles calculations. We find an interplay of crystal field and Jahn-Teller distortions that underpin the electronic and magnetic properties. While all compounds are predicted to show an insulating G-type antiferromagnetic ground state, there is a considerable difference in the anisotropy of the exchange interactions between the Ni and Co compounds. This is related to the Jahn-Teller distortion. Finally, we observe that these four compounds show characteristics generally associated with Mott insulators, even when described at the level of standard density functional theory. These are then dense bulk band or Slater, Mott-type insulators. Copyright © 2019, The Authors. All rights reserved.

关键词： Tellurium compounds

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Polar jets of swimming bacteria condensed by a patterned liquid crystal

arXiv

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arXiv 2020年

作者： Turiv, Taras Koizumi, Runa Thijssen, Kristian Genkin, Mikhail M. Yu, Hao Peng, Chenhui Wei, Qi-Huo Yeomans, Julia M. Aranson, Igor S. Doostmohammadi, Amin Lavrentovich, Oleg D. Advanced Materials Liquid Crystal Institute Chemical Physics Interdisciplinary Program Kent State University KentOH44242 United States Rudolf Peierls Centre for Theoretical Physics University of Oxford Clarendon Laboratory Parks Rd. OxfordOX1 3PU United Kingdom Cold Spring Harbor Laboratory 1 Bungtown Rd Cold Spring HarborNY11724 United States Department of Physics Kent State University KentOH44242 United States Department of Biomedical Engineering Pennsylvania State University University ParkPA16802 United States

Active matter exhibits remarkable collective behavior in which flows, continuously generated by active particles, are intertwined with the orientational order of these particles. The relationship remains poorly understood as the activity and order are difficult to control independently. Here we demonstrate important facets of this interplay by exploring dynamics of swimming bacteria in a liquid crystalline environment with pre-designed periodic splay and bend in molecular orientation. The bacteria are expelled from the bend regions and condense into polar jets that propagate and transport cargo unidirectionally along the splay regions. The bacterial jets remain stable even when the local concentration exceeds the threshold of bending instability in a non-patterned system. Collective polar propulsion and different role of bend and splay are explained by an advection-diffusion model and by numerical simulations that treat the system as a two-phase active nematic. The ability of prepatterned liquid crystalline medium to streamline the chaotic movements of swimming bacteria into polar jets that can carry cargo along a predesigned trajectory opens the door for potential applications in cell sorting, microscale delivery and soft microrobotics. Copyright © 2020, The Authors. All rights reserved.

关键词： Bacteria

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Enhancing miso production with optimized puffed-rice koji and its biological function evaluation

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Food Bioscience 2024年 60卷

作者： Lin, Shin-Ping Chou, Yu-Chieh Chen, Chiao-En Lai, Yen-Tso Hsieh, Chen-Che Tsai, Tsung-Yu Lin, Yun-Hsin Santoso, Shella Permatasari Lin, Hui-Wen Cheng, Kuan-Chen School of Food Safety Taipei Medical University 250 Wu-Hsing Street Taipei 11031 Taiwan Research Center of Biomedical Device Taipei Medical University 250 Wu-Hsing Street Taipei 11031 Taiwan TMU Research Center for Digestive Medicine Taipei Medical University 250 Wu-Hsing Street Taipei 11031 Taiwan Ph.D. Program in Drug Discovery and Development Industry College of Pharmacy Taipei Medical University 250 Wu-Hsing Street Taipei 11031 Taiwan Institute of Food Science and Technology National Taiwan University 1 Roosevelt Rd. Sec. 4 Taipei 10617 Taiwan Department of Food and Nutrition Providence University 200 Sec. 7 Taiwan Boulevard Shalu Dist. Taichung 43301 Taiwan Institute of Biotechnology National Taiwan University 1 Roosevelt Rd. Sec. 4 Taipei 10617 Taiwan Department of Food Science Fu Jen Catholic University 510 Zhongzheng Rd. Xinzhuang Dist. New Taipei City 242062 Taiwan Department of Chemical Engineering Widya Mandala Surabaya Catholic University 37 Jl. Kalijudan 37 East Java Surabaya 60114 Indonesia Collaborative Research Center for Zero Waste and Sustainability 37 Jl. Kalijudan East Java Surabaya 60114 Indonesia Department of Optometry Asia University 500 Lioufeng Rd. Wufeng Taichung 41354 Taiwan Department of Medical Research China Medical University Hospital China Medical University 91 Hsueh-Shih Road Taichung 40402 Taiwan

In order to enhance enzyme activities of koji and further improve the health benefits and nutritional value of miso, puffed rice was used to prepare koji with optimization of fermentation utilizing response surface methodology (RSM), and the optimized puffed rice koji was used to produce miso and low-salt miso. Results showed that β-glucosidase activity increased by 1.98-fold after RSM optimization. The optimized puffed rice koji also showed the highest β-amylase and protease activities (237.1 and 968.8 units/g, respectively) compared to rice koji (108.7 and 637.4 units/g, respectively). Moreover, miso made from puffed-rice koji presented a much higher polyphenol content, antioxidant activity, and aglycone conversion. These findings clarified the relationship between changes in enzyme activities in koji and the important components of miso, and also advance solid-state fermentation research and development of functional miso. © 2024

关键词： Aspergillus oryzae Koji Miso Puffed rice Solid-state fermentation β-glucosidase

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Author Correction: Lipid exposure activates gene expression changes associated with estrogen receptor negative breast cancer

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NPJ breast cancer 2023年第1期9卷 11页

作者： Shivangi Yadav Ranya Virk Carolina H Chung Mariana Bustamante Eduardo David VanDerway Duojiao Chen Kirsten Burdett Hongyu Gao Zexian Zeng Manish Ranjan Gannon Cottone Xiaoling Xuei Sriram Chandrasekaran Vadim Backman Robert Chatterton Seema Ahsan Khan Susan E Clare Department of Surgery Feinberg School of Medicine Northwestern University Chicago IL 60611 USA. Department of Biomedical Engineering Northwestern University Evanston IL 60208-2850 USA. Department of Biomedical Engineering University of Michigan Ann Arbor MI 48109 USA. Center of for Medical Genomics Indiana University School of Medicine Indianapolis IN 46202 USA. Department of Preventive Medicine Northwestern University Chicago IL 60611 USA. Department of Data Sciences Dana Farber Cancer Institute Harvard T.H. Chan School of Public Health Boston MA 02215 USA. Program in Chemical Biology University of Michigan Ann Arbor MI 48109 USA. Rogel Cancer Center University of Michigan Medical School Ann Arbor MI 48109 USA. Center for Computational Medicine and Bioinformatics University of Michigan Ann Arbor MI 48109 USA. Department of Obstetrics and Gynecology Northwestern University Feinberg School of Medicine Chicago IL 60611 USA. Department of Surgery Feinberg School of Medicine Northwestern University Chicago IL 60611 USA. s-khan2@northwestern.edu. Department of Surgery Feinberg School of Medicine Northwestern University Chicago IL 60611 USA. susan.clare@northwestern.edu.

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Adaptive in vivo Device for Theranostics of Inflammation by Monitoring of Cytokine Interferon-γ and Its Triggered Aspirin Release

SSRN

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SSRN 2019年

作者： Cao, Chaomin Jin, Ronghua Wei, Hui Liu, Zhongning Ni, Shengnan Chen, Xin Young, Howard A. Liu, Guojun Liu, Guozhen International Joint Research Center for Intelligent Biosensor Technology and Health Central China Normal University Wuhan430079 China School of Chemical Engineering and Technology Shanxi Key Laboratory of Energy Chemical Process Intensification Institute of Polymer Science in Chemical Engineering Xi’an Jiao Tong University Xi’an710049 China Department of Prosthodontics Peking University School and Hospital of Stomatology National Clinical Research Center for Oral Diseases National Engineering Laboratory for Digital and Material Technology of Stomatology Beijing Key Laboratory of Digital Stomatology Beijing100081 China Australian Nuclear Science and Technology Organization New Illuwarra Road Lucas HeightsNSW2234 Australia Graduate School of Biomedical Engineering ARC Centre of Excellent for Nanoscale Bipphotonics Faculty of Engineering University of New South Wales SydneyNSW2052 Australia Cancer and Inflammation Program Center for Cancer Research National Cancer Institute at Frederick FrederickMD21702 United States

Cytokines mediate and control immune and inflammatory responses. Complex interactions exist between cytokines, inflammation and the adaptive responses in maintaining homeostasis, health, and well being. On-demand, local delivery of anti-inflammatory drug molecules to target tissues provides a means for effective drug dosing while reducing the adverse effects of systemic drug delivery. This work demonstrates a proof-of-concept theranostic approach for inflammation based on analyte-kissing induced signaling, whereby a drug (in this report, aspirin) can be released upon detection of a target level of a proinfammatory cytokine(i.e. Interferon-γ (IFN-γ)) in real time. The structure-switching aptamer based biosensor described here is capable of quantitatively and dynamically detecting IFN-γ both in vitro and in vivo with a sensitivity of 10 pg mL-1. Moreover, the released aspirin triggered by the inflammatory cytokine IFN-γ is able to inhibit inflammation in the inflammatory rat model, and the releasing of aspirin can be quantitatively controlled. Herein research provides a novel and promising strategy for in vivo detection of proinflammatory cytokines and the subsequent therapeutic delivery of anti-inflammatory molecules. This universal theranostic platform is expected to achieve great potentials on personalized medicine towards treatment of various of diseases and health conditions. © 2019, The Authors. All rights reserved.

关键词： Pathology

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Sucrose-based cryoprotective storage of extracellular vesicles

Extracellular vesicle

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Extracellular vesicle 2022年 1卷 100016页

作者： Sierra A Walker Irina Davidovich Yubo Yang Andrew Lai Jenifer Pendiuk Goncalves Vatsal Deliwala Sara Busatto Shane Shapiro Na'ama Koifman Carlos Salomon Yeshayahu Talmon Joy Wolfram Department of Biochemistry and Molecular Biology Department of Physiology and Biomedical Engineering Department of Transplantation Mayo Clinic Jacksonville FL 32224 USA. Department of Chemical Engineering and the Russell Berrie Nanotechnology Institute (RBNI) Technion-Israel Institute of Technology Haifa 3200003 Israel. Exosome Biology Laboratory Centre for Clinical Diagnostics University of Queensland Centre for Clinical Research Royal Brisbane and Women's Hospital Faculty of Medicine The University of Queensland Brisbane QLD 4006 Australia. Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia. School of Chemical Engineering The University of Queensland Brisbane QLD Australia. Vascular Biology Program Boston Children's Hospital Boston MA 02115 United States. Department of Surgery Harvard Medical School Boston MA 02115 United States. Department of Orthopedic Surgery Mayo Clinic Jacksonville FL 32224 USA. Center of Microscopy and Microanalysis The University of Queensland Brisbane QLD 4072 Australia. Departamento de Investigación Postgrado y Educación Continua (DIPEC) Facultad de Ciencias de la Salud Universidad del Alba Santiago 8320000 Chile.

Advancements in extracellular vesicle (EV) studies necessitate the development of optimized storage conditions to ensure preservation of physical and biochemical characteristics. In this study, the most common buffer for EV storage (phosphate-buffered saline/PBS) was compared to a cryoprotective 5% sucrose solution. The size distribution and concentration of EVs from two different sources changed to a greater extent after -80 °C storage in PBS compared to the sucrose solution. Additionally, molecular surface protrusions and transmembrane proteins were more prevalent in EVs stored in the sucrose solution compared to those stored in PBS. This study demonstrates, for the first time, that distinct ring-like molecular complexes and cristae-like folded membranous structures are visible upon EV degradation. Taken together, the size, concentration, molecular surface extensions, and transmembrane proteins of EVs varied substantially based on the buffer used for -80 °C storage, suggesting that biocompatible cryoprotectants, such as sucrose, should be considered for EV studies.

关键词： Cryoprotection exosome extracellular vesicle storage sucrose

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