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Technology Roadmap for Flexible Sensors

ACS NANO 2023年第6期17卷 5211-5295页

作者： Luo, Yifei Abidian, Mohammad Reza Ahn, Jong-Hyun Akinwande, Deji Andrews, Anne M. Antonietti, Markus Bao, Zhenan Berggren, Magnus Berkey, Christopher A. Bettinger, Christopher John Chen, Jun Chen, Peng Cheng, Wenlong Cheng, Xu Choi, Seon-Jin Chortos, Alex Dagdeviren, Canan Dauskardt, Reinhold H. Di, Chong-an Dickey, Michael D. Duan, Xiangfeng Facchetti, Antonio Fan, Zhiyong Fang, Yin Feng, Jianyou Feng, Xue Gao, Huajian Gao, Wei Gong, Xiwen Guo, Chuan Fei Guo, Xiaojun Hartel, Martin C. He, Zihan Ho, John S. Hu, Youfan Huang, Qiyao Huang, Yu Huo, Fengwei Hussain, Muhammad M. Javey, Ali Jeong, Unyong Jiang, Chen Jiang, Xingyu Kang, Jiheong Karnaushenko, Daniil Khademhosseini, Ali Kim, Dae-Hyeong Kim, Il-Doo Kireev, Dmitry Kong, Lingxuan Lee, Chengkuo Lee, Nae-Eung Lee, Pooi See Lee, Tae-Woo Li, Fengyu Li, Jinxing Liang, Cuiyuan Lim, Chwee Teck Lin, Yuanjing Lipomi, Darren J. Liu, Jia Liu, Kai Liu, Nan Liu, Ren Liu, Yuxin Liu, Yuxuan Liu, Zhiyuan Liu, Zhuangjian Loh, Xian Jun Lu, Nanshu Lv, Zhisheng Magdassi, Shlomo Malliaras, George G. Matsuhisa, Naoji Nathan, Arokia Niu, Simiao Pan, Jieming Pang, Changhyun Pei, Qibing Peng, Huisheng Qi, Dianpeng Ren, Huaying Rogers, John A. Rowe, Aaron Schmidt, Oliver G. Sekitani, Tsuyoshi Seo, Dae-Gyo Shen, Guozhen Sheng, Xing Shi, Qiongfeng Someya, Takao Song, Yanlin Stavrinidou, Eleni Su, Meng Sun, Xuemei Takei, Kuniharu Tao, Xiao-Ming Tee, Benjamin C. K. Thean, Aaron Voon-Yew Trung, Tran Quang Wan, Changjin Wang, Huiliang Wang, Joseph Wang, Ming Wang, Sihong Wang, Ting Wang, Zhong Lin Weiss, Paul S. Wen, Hanqi Xu, Sheng Xu, Tailin Yan, Hongping Yan, Xuzhou Yang, Hui Yang, Le Yang, Shuaijian Yin, Lan Yu, Cunjiang Yu, Guihua Yu, Jing Yu, Shu-Hong Yu, Xinge Zamburg, Evgeny Zhang, Haixia Zhang, Xiangyu Zhang, Xiaosheng Zhang, Xueji Zhang, Yihui Zhang, Yu Zhao, Siyuan Zhao, Xuanhe Zheng, Yuanjin Zheng, Yu-Qing Zheng, Zijian Zhou, Tao Zhu, Bowen Zhu, Ming Zhu, Rong Zhu, Yangzhi Zhu, Yong Zou, Guijin Chen, Xiaodong 08-03 Innovis Singapore 138634 Republic of Singapore Innovative Centre for Flexible Devices (iFLEX) School of Materials Science and Engineering Nanyang Technological University Singapore 639798 Singapore Department of Biomedical Engineering University of Houston Houston Texas 77024 United States School of Electrical and Electronic Engineering Yonsei University Seoul 03722 Republic of Korea Department of Electrical and Computer Engineering The University of Texas at Austin Austin Texas 78712 United States Microelectronics Research Center The University of Texas at Austin Austin Texas 78758 United States Department of Chemistry and Biochemistry California NanoSystems Institute and Department of Psychiatry and Biobehavioral Sciences Semel Institute for Neuroscience and Human Behavior and Hatos Center for Neuropharmacology University of California Los Angeles Los Angeles California 90095 United States Colloid Chemistry Department Max Planck Institute of Colloids and Interfaces 14476 Potsdam Germany Department of Chemical Engineering Stanford University Stanford California 94305 United States Laboratory of Organic Electronics Department of Science and Technology Campus Norrköping Linköping University 83 Linköping Sweden Wallenberg Initiative Materials Science for Sustainability (WISE) and Wallenberg Wood Science Center (WWSC) SE-100 44 Stockholm Sweden Department of Materials Science and Engineering Stanford University Stanford California 94301 United States Department of Biomedical Engineering and Department of Materials Science and Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213 United States Department of Bioengineering University of California Los Angeles Los Angeles California 90095 United States School of Chemistry Chemical Engineering and Biotechnology Nanyang Technological University Singapore 637457 Singapore Nanobionics Group Department of Chemical and Biological Engineering Monash University Clayton Australia 3800 Monash

Humans rely increasingly on sensors to address grand challenges and to improve quality of life in the era of digitalization and big data. For ubiquitous sensing, flexible sensors are developed to overcome the limitations of conventional rigid counterparts. Despite rapid advancement in bench-side research over the last decade, the market adoption of flexible sensors remains limited. To ease and to expedite their deployment, here, we identify bottlenecks hindering the maturation of flexible sensors and propose promising solutions. We first analyze continued...challenges in achieving satisfactory sensing performance for real-world applications and then summarize issues in compatible sensor-biology interfaces, followed by brief discussions on powering and connecting sensor networks. Issues en route to commercialization and for sustainable growth of the sector are also analyzed, highlighting environmental concerns and emphasizing nontechnical issues such as business, regulatory, and ethical considerations. Additionally, we look at future intelligent flexible sensors. In proposing a comprehensive roadmap, we hope to steer research efforts towards common goals and to guide coordinated development strategies from disparate communities. Through such collaborative

关键词： soft materials mechanics engineering flexible electronics conformable sensors bioelectronics human-machine interfaces body area sensor networks technology translation sustainable electronics

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Manufacture and experimental analysis of a concentrated strain based deployable truss structure

Manufacture and experimental analysis of a concentrated stra...

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47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference

作者： Mejia-Ariza, Juan M. Murphey, Thomas W. Pollard, Eric L. Virginia Polytechnic Institute and State University Blacksbury VA 24061-0344 United States Air Force Research Laboratory Albuquerque NM 87117-5776 United States CSA Engineering Inc. Albuquerque NM 87123-3345 United States Macromolecular Science and Engineering Program 2018 Halm Hall Blacksburg VA 24061-0344 United States Space Vehicles Directorate 3550 Aberdeen Ave. SE Albuquerque NM 87117-5776 United States AIAA CSA Engineering Inc. 1600 Eubank Blvd. SE Albuquerque NM 87123-3345 United States

ISBN: (纸本)1563478080

A truss structure was built and tested to advance deployable structures technology based on the concentrated strain approach, In 3rd order hierarchy systems, this architecture has the potential to provide a 10 fold improvement in mass efficiency, and demonstrate a linear compaction ratio that is five times better than current technology. A 101.6 cm x 12.7 cm x 12.7 cm test article was fabricated, and a buckling test and analysis was performed. The total mass of the deployable truss structure was 28 grams. This structure was constructed of piecewise constant cross section elements. One of the components consisted of high-modulus pull-truded carbon fiber rods (CFRs) for the majority of the length, The other components were compliant flexure joints made of Nitinol NiTi, a shape memory alloy (SMA) capable of a repeatable superelastic strain of 5.0% at either boundary. The results of this research provide a contribution to the deployable structures science by improving the compaction ratio and the mass efficiency of deployable structures without decreasing the truss performance limits.

关键词： Trusses

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Molecular weight effects on poly(arylene ether sulfone)-based random and multiblock copolymers characteristics for fuel cells

Molecular weight effects on poly(arylene ether sulfone)-base...

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作者： Badami, Anand S. Lee, Hae-Seung Li, Yanxiang Roy, Abhishek Wang, Hang McGrath, James E. Department of Chemistry Macromolecular Science and Engineering Program Macromolecules and Interfaces Institute State University Blacksburg VA 24061 United States Dow Chemical Company 1897 Building Midland MI 48667 United States Dow Chemical Company 1707 Building Midland MI 48674 United States Dow Chemical Company 5400 Dewey Hill Rd. Edina MN 55439 United States Celanese Corporation 8040 Dixie Highway Florence KY 41042 United States

The commercialization of proton exchange membrane (PEM) fuel cells depends largely upon the development of PEMs whose properties are enhanced over current perfluorinated sulfonic acid PEMs. Understanding how a PEM's molecular weight and morphology affect its relevant performance properties is essential to this effort. Changes in molecular weight were found to have little effect on the phase separated morphologies, water uptake, and proton conductivities of random copolymers. Changes in block length, however, have a pronounced effect on multiblock copolymers, affecting surface and bulk morphologies, water uptake, proton conductivity, and hydrolytic stability, suggesting that multiblock copolymer PEM properties may be optimized by changes in morphology. © 2010 American Chemical Society.

关键词： Proton conductivity

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Slenderness Ratio and Material Optimization of an Impact-Resistant 2d Auxetic Lattice

SSRN

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SSRN 2024年

作者： Zhai, Xuedong Heye-Smith, Karina Mao, Xiaoming Arruda, Ellen M. Department of Mechanical Engineering University of Michigan Ann ArborMI United States Department of Physics University of Michigan Ann ArborMI United States Department of Biomedical Engineering University of Michigan Ann ArborMI United States Program in Macromolecular Science and Engineering University of Michigan Ann ArborMI United States

It is well known that armor prevents failures of behind-armor targets by reducing the force in an impact event and thereby providing protection under certain impact events. However, the kinetic energy associated with an impact, often underappreciated in impact events, can be as fatal as the force by causing relative motion in the target and destructive damage as a consequence. Therefore, efficient protection gear and packaging should be lightweight and good at force reduction as well as energy mitigation. Although auxetic lattices have been studied as lightweight alternatives for force reduction, simultaneous optimization of force reduction and energy dissipation in impact mitigation via geometric and material choices for auxetic lattices has not been addressed. In the present study, we show that a 2D auxetic lattice with an optimized slenderness ratio of the struts that comprise the lattice and optimized elastic and visco-elastic material properties can not only reduce the transmitted peak force but also mitigate the energy significantly. A multi-step optimization method using Finite Element (FE) analysis and a verification procedure via impact experiments are described by which an optimal design of the auxetic lattice can be achieved by simultaneously considering both peak force and energy mitigation. © 2024, The Authors. All rights reserved.

关键词： Armor

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Facile Fabrication of Conductive Paper-based Materials from Tunicate Cellulose Nanocrystals and Polydopamine-decorated Graphene Oxide

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Paper And Biomaterials 2018年第4期3卷 19-25页

作者： XiaoZhou Ma YaoYao Chen Peter R. Chang Jin Huang School of Chemistry and Chemical Engineering Joint International Research Laboratory of Bio-mass-Based Macromolecular Chemistry and Materials Southwest University Chongqing 400715 China School of Chemistry Chemical Engineering and Life Sciences Wuhan University of Technology Wuhan Hubei Province 430070 China Bioproducts and Bioprocesses National Science Program Agriculture and Agri-Food Canada 107 Science Place Saskatoon SK S7N 0X2 Canada

Conductive papers made from graphene and its derivatives are important for the development of electronic devices; however, elastomer-based matrices usually make it difficult for the conductive sheets to form continuous conductive networks. In this work, we used tunicate-derived cellulose nanocrystals （TCNC） instead of traditional elastomers as the matrix for polydopamine （PDA）-coated and reduced graphene oxide （GO） to prepare conductive paper, which, at a low concentration, were better for the formation of conductive networks from conductive sheets. It was found that the Young’s modulus of the conductive paper produced via this strategy reached as high as 7 GPa. Meanwhile, owing to the partial reduction of GO during the polymerization of dopamine, the conductivity of the conductive paper reached as high as 1.3×10-5 S/cm when the PDA-coated GO content was 1 wt%, which was much higher than the conductivity of pure GO （-4.60×10-8 S/cm）. This work provides a new strategy for preparing environmentally friendly conductive papers with good mechanical properties and low conductive fller content, which may be used to produce high-performance, low-cost electronic devices.

关键词： conductive paper tunicate cellulose nanocrystal graphene oxide polydopamine coating casting paper

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A route to hierarchical assembly of colloidal diamond

arXiv

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arXiv 2021年

作者： Zhou, Yuan Cersonsky, Rose K. Glotzer, Sharon C. Department of Chemical Engineering University of Michigan Ann ArborMI48109 United States Macromolecular Science and Engineering Program University of Michigan Ann ArborMI48109 United States Laboratory of Computational Science and Modelling STI Ècole Polytechnique Fèdèrale de Lausanne Lausanne1015 Switzerland Biointerfaces Institute University of Michigan Ann ArborMI48109 United States

Photonic crystals, appealing for their ability to control light, are constructed by periodic regions of different dielectric constants. Yet, the structural holy grail in photonic materials, diamond, remains challenging to synthesize at the colloidal length scale. Here we explore new ways to assemble diamond using modified gyrobifastigial (mGBF) nanoparticles, a shape that resembles two anti-aligned triangular prisms. We investigate the parameter space that leads to the self-assembly of diamond, and we compare the likelihood of defects in diamond self-assembled via mGBF vs. the nanoparticle shape that is the current focus for assembling diamond, the truncated tetrahedra. We introduce a potential route for realizing mGBF particles by dimerizing triangular prisms using attractive patches, and we report the impact of this superstructure on the photonic properties. Copyright © 2021, The Authors. All rights reserved.

关键词： Diamonds

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Review of Cellulose Nanocrystal-based Fluorophore Materials and Their Application in Metal Ion Detection

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Paper And Biomaterials 2018年第4期3卷 45-61页

作者： Ya Wang Alain Dufresne Peter R. Chang XiaoZhou Ma Jin Huang School of Chemistry and Chemical Engineering Joint International Research Laboratory of Biomass-Based Macromolecular Chemistry and Materials Southwest University Chongqing 400715 China Université Grenoble Alpes CNRS Grenoble INP LGP2 F-38000 Grenoble France Bioproducts and Bioprocesses National Science Program Agriculture and Agri-Food Canada 107 Science Place Saskatoon SK S7N0X2 Canada

Cellulose nanocrystals （CNCs）, a unique and promising natural material extracted from native cellulose, have attracted considerable attention owing to their physical properties and special surface chemistry. This review focuses on chemical conjugation strategies that can be used for preparation of ？uorescent-molecule labeled CNCs and the development of biomaterials. Furthermore, their application in the detection of metal ions and future development prospects are discussed. We hope to provide a clear view of the strategies for surface fluorescent modifcation of CNCs and their application in detection of metal ions.

关键词： fluorescent cellulose nanocrystals detection of metal ions sensors optical imaging biomaterial

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A microfluidic device for separating motile sperm from nonmotile sperm via inter-streamline crossings

A microfluidic device for separating motile sperm from nonmo...

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International Conference on Microtechnologies in Medicine and Biology

作者： B. Cho T. Schuster X. Zhu D. Chang G.D. Smith S. Takayama Department of Biomedical Engineering University of Michigan Ann Arbor USA Department of Urology University of Michigan Ann Arbor USA Department of Chemical Engineering University of Michigan Ann Arbor USA Department of Urology Department of Obstetrics & Gynecology Department of Physiology Reproductive Sciences Program University of Michigan Ann Arbor USA Macromolecular Science and Engineering University of Michigan Ann Arbor USA

In vitro fertilization using small amounts of cryopreserved sperm would benefit from efficient microscale methods to sort "healthy" motile sperm from nonmotile ones. This paper describes a microfluidic system with embedded reservoirs that sorts sperm based on the ability of motile sperm to move out of their initial streamlines in a laminar fluid stream. The device has horizontally oriented sample inlet and outlet reservoirs with different relative heights that serve the dual purpose of also being a pumping system that pumps fluids by hydrostatic pressure and surface tension. Sperm sorting is necessary for cryopreservation and intracytoplasmic sperm injection of sperm from men with low viable sperm counts. Since they have few viable sperm, it is difficult to obtain the sperm in an efficient manner using current procedures.

关键词： Microfluidics Sorting Fluid flow Biomedical engineering Reservoirs Pumps Cancer Diseases Microorganisms Humans

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Pressure-Tunable Photonic Band Gaps in an Entropic Colloidal Crystal

arXiv

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arXiv 2018年

作者： Cersonsky, Rose K. Dshemuchadse, Julia Antonaglia, James Anders, Greg Van Glotzer, Sharon C. Macromolecular Science and Engineering Program University of Michigan Ann ArborMI48109 United States Department of Chemical Engineering University of Michigan Ann ArborMI48109 United States Department of Physics University of Michigan Ann ArborMI48104 United States Department of Materials Science and Engineering University of Michigan Ann ArborMI48109 United States Biointerfaces Institute University of Michigan Ann ArborMI48109 United States

Materials adopting the diamond structure possess useful properties in atomic and colloidal systems, and are a popular target for synthesis in colloids where a photonic band gap is possible. The desirable photonic properties of the diamond structure pose an interesting opportunity for reconfigurable matter: Can we create a colloidal crystal able to switch reversibly to and from the diamond structure? Drawing inspiration from highpressure transitions of diamond-forming atomic systems, we design a system of polyhedrally-shaped particles that transitions from diamond to a tetragonal diamond derivative upon a small pressure change. The transition can alternatively be triggered by changing the shape of the particle in-situ. We propose that the transition provides a reversible reconfiguration process for a potential new colloidal material, and draw parallels between this transition and phase behavior of the atomic transitions from which we take inspiration. Copyright © 2018, The Authors. All rights reserved.

关键词： Diamonds

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Synthesis and microstructural characterization of POSS-based triblock copolymers prepared using atom transfer radical polymerization

American Chemical Society, Polymer Preprints, Division of Po...

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American Chemical Society, Polymer Preprints, Division of Polymer Chemistry 2000年第1期41卷 582-583页

作者： Mather, Patrick T. Chun, Seung B. Pyun, Jeffrey Matyjaszewski, Krzysztof Jeon, Hong G. Polymer Program Institute of Materials Science University of Connecticut Storrs CT 06269-3136 United States Ctr. for Macromolecular Engineering Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 United States Systran Corp. AFRL/MLBP Wright Patterson AFB Dayton OH 45433-7750 United States

A polyhedral silsesquioxane (POSS)-methacrylate and poly(n-butyl acrylate) triblock copolymer (poly(MA-POSS)-b-BA-b-(MA-POSS)) prepared by atom transfer radical polymerization (ATRP) were synthesized and characterized. The molecular weight and composition of the triblock copolymer was determined from size exclusion chromatography and H NMR spectroscopy. The study aims to develop an understanding of the thermoplastic elastomeric properties as influenced by hard-block interactions and nanometer-scale organization in the materials.

关键词： Block copolymers

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