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2012 International Conference on Engineering Materials (ICEM 2012)

作者： Ming-Yuan CHENG Kwan Ling TAN Tack Boon YEE minkyu je Institute of Microelectronics A*STAR （Agency for Science Technology and Research）

This work presents a three-dimensional flexible polyimide（PI） probe array with biodegradable polymer that offers desirable insertion capability. In order to avoid the recording sites position shifts slightly and damage neuron cells when the body moves, the flexible neural probes are more preferable than traditional Si-based neural probes. A sufficient buckling strength of flexible probe is critical for inserting flexible probe into the brain. Here, we used a biodegradable polymer, polyethylene glycol（PEG）, to improve the mechanical stiffness of flexible probe. PEG, which is solid state at room temperature and dissolves when immersing in water, was coated onto the flexible probe and the mechanical stiffness of the flexible probe was increased before insertion into the biological tissue. The buckling strength of different probes was simulated using finite element analysis and measured by compression tester. The coated PEG flexible probe maintains sufficient stiffness to facilitate tissue penetration with solid PEG elastic modulus of 660±19 MPa but loses its strength within 25 minutes once immersed in saline. A microassembly method of three-dimensional flexible probe array was also proposed to integrate the flexible probe and their interconnections. In vitro test, the coated PEG flexible probe regained their original impedance of 12.8 k? at 1 kHz within 30 minutes of immersing in saline via water absorption and polymer’s biodegradable response.

关键词： Biogradable polymer Polyimide Neural probe Stiffness Implant

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Wireless,multimodal sensors for continuous measurement of pressure,temperature,and hydration of patients in wheelchair

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npj Flexible Electronics 2023年第1期7卷 479-493页

作者： Seokjoo Cho Hyeonseok Han Hyunwoo Park Sung-Uk Lee Jae-Hwan Kim Sung Woo jeon Mengqiu Wang Raudel Avila Zhaoqian Xi Kabseok Ko Minsu Park Jungyup Lee Myungwoo Choi je-Sang Lee Weon Gi Min Byeong-Ju Lee Soyeong Lee Jungrak Choi Jimin Gu Jaeho Park Min Seong Kim Junseong Ahn Osman Gul Chankyu Han Gihun Lee Seunghwan Kim Kyuyoung Kim jeonghyun Kim Chang-Mo Kang Jahyun Koo Sung Soo Kwak Sungbong Kim Dong Yun Choi Seokwoo jeon Hyung Jin Sung Yong Bae Park minkyu je Young Tae Cho Yong Suk Oh Inkyu Park Department of Mechanical Engineering Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea School of Electrical Engineering Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea Advanced 3D Printing Technology Development Division Korea Atomic Energy Research InstituteDaejeon 34057Republic of Korea Department of Electrical and Computer Engineering University of Illinois at Urbana-ChampaignUrbanaIL 61801USA State Key Laboratory of Structural Analysis for Industrial Equipment Department of Engineering MechanicsDalian University of TechnologyDalian 116023P.R.China Department of Mechanical Engineering Northwestern UniversityEvanstonIL 60208USA DUT-BSU Joint Institute Dalian University of TechnologyDalian 116023China Ningbo Institute of Dalian University of Technology Ningbo 315016China Department of Electronics Engineering Kangwon National UniversityChuncheon 24341Republic of Korea Querrey-Simpson Institute for Bioelectronics Northwestern UniversityEvanstonIL 60208USA Sibel Health Inc NilesIL 60714USA Department of Materials Science and Engineering KAIST Institute for The Nanocentury(KINC)Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea Department of Rehabilitation Medicine Gimhae Hansol Rehabilitation&Convalescent HospitalGimhae 50924Republic of Korea Department of planning and development Gimhae Hansol Rehabilitation&Convalescent HospitalGimhae 50924Republic of Korea Department of rehabilitation medicine Pusan national university hospitalBusan 49241Republic of Korea Department of AI Convergence Network Ajou UniversitySuwon 16499Republic of Korea Department of Electronic Convergence Engineering Kwangwoon UniversitySeoul 01897Republic of Korea Korea Photonics Technology Institute Gwangju 61007Republic of Korea School of Biomedical Engineering Korea UniversitySeoul 02841Republic of Korea Interdisciplinary Program in Precision Public Health Korea UniversitySeoul 02841Republic of Korea Center

Individuals who are unable to walk independently spend most of the day in a *** population is at high risk for developing pressure injuries caused by ***,early diagnosis and prevention of these injuries still remain ***,we introduce battery-free,wireless,multimodal sensors and a movable system for continuous measurement of pressure,temperature,and hydration at skin *** device design includes a crack-activated pressure sensor with nanoscale encapsulations for enhanced sensitivity,a temperature sensor for measuring skin temperature,and a galvanic skin response sensor for measuring skin hydration *** movable system enables power harvesting,and data communication to multiple wireless devices mounted at skin-cushion interfaces of wheelchair users over full body *** evaluations and numerical simulations of the devices,together with clinical trials for wheelchair patients,demonstrate the feasibility and stability of the sensor system for preventing pressure injuries caused by sitting.

关键词： injuries modal mounted

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基于辣椒基因组测序探究辣味在种群中的进化

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辣椒杂志 2014年第2期12卷 40-50页

作者： Seungill Kim minkyu Park Seon-In Yeom Yong-Min Kim je Min Lee Hyun-Ah Lee Eunyoung Seo Jaeyoung Choi Kyeongchae Cheong Ki-Tae Kim Kyongyong Jung Gir-Won Lee Sang-Keun Oh Chungyun Bae Saet-Byul Kim Hye-Young Lee Shin-Young Kim Myung-Shin Kim Byoung-Cheorl Kang Yeong Deuk Jo Hee-Bum Yang Hee-Jin jeong Won-Hee Kang Jin-Kyung Kwon Chanseok Shin Jae Yun Lim June Hyun Park Jin Hoe Huh June-Sik Kim Byung-Dong Kim Oded Cohen Ilan Paran Mi Chung Suh Saet Buyl Lee Yeon-Ki Kim Younhee Shin Seung-Jae Noh Junhyung Park Young Sam Seo Suk-Yoon Kwon Hyun A Kim jeong Mee Park Hyun-Jin Kim Sang-Bong Choi Paul W Bosland Gregory Reeves Sung-Hwan Jo Bong-Woo Lee Hyung-Taeg Cho Hee-Seung Choi Min-Soo Lee Yeisoo Yu Yang Do Choi Beom-Seok Park Allen van Deynze Hamid Ashrafi Theresa Hill Woo Taek Kim Hyun-Sook Pai Hee Kyung Ahn Inhwa Yeam James J Giovannoni Jocelyn K C Rose Iben Sφrensen Sang-Jik Lee Ryan W Kim Ik-Young Choi Beom-Soon Choi Jong-Sung Lim Yong-Hwan Lee Doil Choi 刘峰张西露 Department of Plant Science Seoul National University Plant Genomics and Breeding Institute Seoul National University Department of Agricultural Biotechnology Seoul National University Department of Bioinformatics and Life Science Soongsil University Vegetable Breeding Research Center Seoul National University Agricultural Research Organization Institute of Plant Science Volcani Center Bet DaganIsrael. Agricultural Research Organization Institute of Plant Science Volcani Center Bet DaganIsrael Department of Bioenergy Science and Technology Chonnam National University Genomics Genetics Institute GreenGene BioTech Inc. Codes Division Insilicogen Inc. Ginseng Resources Research Laboratory Korea Ginseng Corporation Korea Research Institute of Bioscience and Biotechnology Division of Bioscience and Bioinformatics Myongji University Department of Plant and Environmental Sciences New Mexico State University Chile Pepper Institute New Mexico State University Seeders Inc. Department of Biological Sciences Seoul National University Arizona Genomics Institute University of Arizona Agricultural Genome Center National Academy of Agricultural Science Rural Development Administration Seed Biotechnology Center University of California Davis Davis California USA Department of Systems Biology Yonsei University Department of Horticulture and Breeding Andong National University US Department of Agriculture-Agricultural Research Service Robert W. Holley Center Ithaca New York USA Boyce Thompson Institute for Plant Research Cornell University Ithaca New York USA Department of Plant Biology Cornell University Ithaca New York USA Biotechnology Institute Nongwoo Bio Yeoju Korea Genome Center University of California Davis Davis California USA National Instrumentation Center for Environmental Management Seoul National University Seoul Korea 湖南省蔬菜研究所

辣椒(Capsicum annuum)是美洲最古老的驯化作物之一,在全世界被广泛种植。本研究对CM334(墨西哥地方品种)进行了全基因组测序和组装(覆盖度为186.6×),同时还对另外两个栽培种和一个野生种分别进行了重测序和从头(de novo)测序。结果表... 详细信息

辣椒(Capsicum annuum)是美洲最古老的驯化作物之一,在全世界被广泛种植。本研究对CM334(墨西哥地方品种)进行了全基因组测序和组装(覆盖度为186.6×),同时还对另外两个栽培种和一个野生种分别进行了重测序和从头(de novo)测序。结果表明辣椒基因组大小约为番茄的4倍,辣椒基因组上存在大量gypsy转座子和花椰菜病毒家族元件的积累。结合转录组综合分析认为,辣椒素合成酶基因表达模式的改变及新功能化是导致辣椒素生物合成的原因,研究还发现辣椒与番茄在乙烯合成及果实成熟调控方面存在明显不同的分子模式。辣椒参考基因组的发布为辣椒营养品质和药用价值的改善提供了重要平台。

关键词：基因组测序辣椒素参考基因 Capsicum 转座子辣椒果实分子模式生物合成基因表达模式基因组大小

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