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Thermogalvanic hydrogel-based e-skin for self-powered on-body dual-modal temperature and strain sensing

Microsystems & Nanoengineering 2024年第2期10卷 293-302页

作者： Zhaosu Wang Ning Li Xinru Yang Zhiyi Zhang Hulin Zhang Xiaojing Cui College of Electronic Information and Optical Engineering Taiyuan University of TechnologyTaiyuan030024China College of Materials Science and Engineering Taiyuan University of TechnologyTaiyuan030024China School of Physics and Information Engineering Shanxi Normal UniversityTaiyuan030031China

Sensing of both temperature and strain is crucial for various diagnostic and therapeutic purposes.Here,we present a novel hydrogel-based electronic skin(e-skin)capable of dual-mode sensing of temperature and strain.The thermocouple ion selected for this study is the iodine/triiodide(I−/I3−)redox couple,which is a common component in everyday disinfectants.By leveraging the thermoelectric conversion in conjunction with the inherent piezoresistive effect of a gel electrolyte,self-powered sensing is achieved by utilizing the temperature difference between the human body and the external environment.The composite hydrogels synthesized from polyvinyl alcohol(PVA)monomers using a simple freeze‒thaw method exhibit remarkable flexibility,extensibility,and adaptability to human tissue.The incorporation of zwitterions further augments the resistance of the hydrogel to dehydration and low temperatures,allowing maintenance of more than 90%of its weight after 48 h in the air.Given its robust thermal current response,the hydrogel was encapsulated and then integrated onto various areas of the human body,including the cheeks,fingers,and elbows.Furthermore,the detection of the head-down state and the monitoring of foot movements demonstrate the promising application of the hydrogel in supervising the neck posture of sedentary office workers and the activity status.The successful demonstration of self-powered on-body temperature and strain sensing opens up new possibilities for wearable intelligent electronics and robotics.

关键词： hydrogel modal utilizing

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Utilization of biomarkers for the prognostic prediction of cardiac arrest survivors using a multi-modal approach

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World Journal of Emergency Medicine 2024年第2期15卷 131-134页

作者： Changshin Kang Yeonho You Jung Soo Park Byeong Kwon Park Jae Kwang Lee Byung Kook Lee Department of Emergency Medicine College of MedicineChungnam National UniversityDaejeon 35015Republic of Korea Department of Emergency Medicine Chungnam National University HospitalDaejoen 35015Republic of Korea Department of Emergency Medicine Konyang University HospitalCollege of MedicineDaejeon 35015Republic of Korea Department of Emergency Medicine Chonnam National University Medical SchoolChonnam National University HospitalGwangju 61469Republic of Korea

International guidelines for post-cardiac arrest care recommend using multi-modal strategies to avoid the withdrawal of life-sustaining therapy(WLST)in patients with the potential for neurological recovery.[1]However,a clear methodology for multi-modal approaches has yet to be developed.Neuron-specific enolase(NSE)is currently the only recommended biomarker,and the European Resuscitation Council(ERC)and the European SocietyofIntensiveCareMedicine(ESICM)have proposed a cutoff value of 60μg/L at 48 and/or 72 h after the return of spontaneous circulation(ROSC)as a multimodal prognostic tool for predicting poor neurological outcomes.

关键词： cardiac modal return

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Porous nanocomposites with enhanced intrinsic piezoresistive sensitivity for bioinspired multimodal tactile sensors

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Microsystems & Nanoengineering 2024年第1期10卷 243-256页

作者： Jianpeng Zhang Song Wei Caichao Liu Chao Shang Zhaoqiang He Yu Duan Zhengchun Peng State Key Laboratory of Radio Frequency Heterogeneous Integration(Shenzhen University) School of Physics and Optoelectronic EngineeringShenzhen University518060 ShenzhenGuangdong ProvinceP.R.China Linksense Technology Ltd. 518060 ShenzhenGuangdong ProvinceP.R.China

In this work,we propose porous fluororubber/thermoplastic urethane nanocomposites(PFTNs)and explore their intrinsic piezoresistive sensitivity to pressure.Our experiments reveal that the intrinsic sensitivity of the PFTN-based sensor to pressure up to 10 kPa increases up to 900%compared to the porous thermoplastic urethane nanocomposite(PTN)counterpart and up to 275%compared to the porous fluororubber nanocomposite(PFN)counterpart.For pressures exceeding 10 kPa,the resistance-pressure relationship of PFTN follows a logarithmic function,and the sensitivity is 221%and 125%higher than that of PTN and PFN,respectively.With the excellent intrinsic sensitivity of the thick PFTN film,a single sensing unit with integrated electrode design can imitate human skin for touch detection,pressure perception and traction sensation.The sensing range of our multimodal tactile sensor reaches~150 Pa,and it exhibits a linear fit over 97%for both normal pressure and shear force.We also demonstrate that an electronic skin,made of an array of sensing units,is capable of accurately recognizing complex tactile interactions including pinch,spread,and tweak motions.

关键词： sensation intrinsic modal

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Decoding human brain functions: Multi-modal, multi-scale insights

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The Innovation 2024年第1期5卷 17-18页

作者： Camilla T.Erichsen Deying Li Lingzhong Fan Sino-Danish Center University of Chinese Academy of SciencesBeijing 100190China Brainnetome Center Institute of AutomationChinese Academy of SciencesBeijing 100190China Core Centre for Molecular Morphology Section for Stereology and MicroscopyDepartment of Clinical MedicineAarhus University8200 Aarhus NDenmark School of Health and Life Sciences University of Health and Rehabilitation SciencesQingdao 266000China

Unraveling the intricate relationship between the structure and function of the human brain remains a central and unresolved question in neuroscience.Ethical considerations impose significant constraints on invasive techniques in human neuroscience research.Consequently,knowledge about human brain function often relies on animal models to provide valuable discoveries and insights.However,caution is warranted,as findings from animal studies may not always be directly translatable to humans,especially when investigating higher cognitive functions.

关键词： functions insight modal

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Anticancer effects of exercise:Insights from single-cell analysis

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Journal of Sport and Health Science 2024年第5期13卷 676-678页

作者： Abel Plaza-Florido Alejandro Lucia Shlomit Radom-Aizik Carmen Fiuza-Luces Pediatric Exercise and Genomics Research Center Department of PediatricsSchool of MedicineUniversity of California IrvineIrvineCA 92617USA Faculty of Sport Sciences Universidad Europea de MadridMadrid 28670Spain Physical Activity and Health Research Group(“PaHerg”) Research Institute of the Hospital 12 de Octubre(“imas12”)Madrid 28041Spain

A recent special topic in the Journal of Sport and Health Science reported the health benefits conferred by traditional and innovative m-health exercise and multimodal programs with respect to several types of cancer.... 详细信息

关键词： protective exercise modal

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Fully integrated and broadband Si-rich silicon nitride wavelength converter based on Bragg scattering intermodal four-wave mixing

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Photonics Research 2024年第3期12卷 I0001-I0010页

作者： VALERIO VITALI THALÍA DOMÍNGUEZ BUCIO HAO LIU JOSÉMANUEL LUQUE GONZÁLEZ FRANCISCO JURADO-ROMERO ALEJANDRO ORTEGA-MOÑUX GLENN CHURCHILL JAMES C.GATES JAMES HILLIER NIKOLAOS KALFAGIANNIS DANIELE MELATI JENS H.SCHMID ILARIA CRISTIANI PAVEL CHEBEN J.GONZALO WANGÜEMERT-PÉREZ ÑIGO MOLINA-FERNÁNDEZ FREDERIC GARDES COSIMO LACAVA PERIKLIS PETROPOULOS Optoelectronics Research Centre University of SouthamptonSouthampton SO171BJUK 2ElectricalComputer and Biomedical Engineering DepartmentUniversity of PaviaPavia 27100Italy 3Telecommunication Research Institute(TELMA)Universidad de MálagaCEI Andalucı´a TECHE.T.S.I.Telecomunicación29010 MálagaSpain 4School of Science and TechnologyNottingham Trent UniversityNottingham NG118NSUK 5Department of Electrical EngineeringEindhoven University of TechnologyEindhoven 5600 MBThe Netherlands 6Department of Materials Science and EngineeringUniversity of IoanninaIoannina 45110Greece 7Centre de Nanosciences et de NanotechnologiesUniversitéParis-SaclayCNRS91120 PalaiseauFrance 8Advanced Electronics and Photonics Research CenterNational Research Council CanadaOttawaOntario K1A 0R6Canada

Intermodal four-wave mixing(FWM)processes have recently attracted significant interest for all-optical signal processing applications thanks to the possibility to control the propagation properties of waves exciting distinct spatial modes of the same waveguide.This allows,in principle,to place signals in different spectral regions and satisfy the phase matching condition over considerably larger bandwidths compared to intramodal processes.However,the demonstrations reported so far have shown a limited bandwidth and suffered from the lack of on-chip components designed for broadband manipulation of different modes.We demonstrate here a silicon-rich silicon nitride wavelength converter based on Bragg scattering intermodal FWM,which integrates mode conversion,multiplexing and de-multiplexing functionalities on-chip.The system enables wavelength conversion between pump waves and a signal located in different telecommunication bands(separated by 60 nm)with a 3 dB bandwidth exceeding 70 nm,which represents,to our knowledge,the widest bandwidth ever achieved in an intermodal FWM-based system.

关键词： scattering pump modal

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Whole exome sequencing and functional validation identify CAPN1 variants as a cause of Chinese moyamoya disease

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Genes & Diseases 2024年第4期11卷 35-38页

作者： Yue Wang Zhengxing Zou Zhibin Yang Zhengshan Zhang Jun Xu Fangbin Hao Juan Shen Cong Han Wanyang Liu Lian Duan Department of Nutrition and Food Hygiene School of Public HealthChina Medical UniversityShenyangLiaoning 110122China Division of Pneumoconiosis School of Public HealthChina Medical UniversityShenyangLiaoning 110122China Department of Neurosurgery The Fifth Medical CentreChinese PLA General Hospital(Former 307th Hospital of the PLA)Beijing 100071China

Moyamoyadisease(MMD,MIM607151)is a rarevascular condition that has high recurrence,mortality,and disability rates,and an effective treatment for this disease is currently lacking.The main symptoms of affected children and adults include ischemic and hemorrhagic strokes,with an age of onset that follows a bimodal distribution trend at approximately 5 and 40 years of age.

关键词： mortality Whole modal

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Multimodal Data-Driven Reinforcement Learning for Operational Decision-Making in Industrial Processes

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IEEE/CAA Journal of Automatica Sinica 2024年第1期11卷 252-254页

作者： Chenliang Liu Yalin Wang Chunhua Yang Weihua Gui the School of Automation Central South UniversityChangsha 410083China IEEE

Dear Editor, This letter proposes a multimodal data-driven reinforcement learning-based method for operational decision-making in industrial processes. Due to the frequent fluctuations of feedstock properties and operating conditions in the industrial processes, existing data-driven methods cannot effectively adjust the operational variables. In addition, multimodal data such as images, audio.

关键词： processes modal adjust

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Research on multi-parametric sensors based on multi-mode microfiber

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Optoelectronics Letters 2024年第1期20卷 18-22页

作者： DONG Taiji LIU Xu WANG Yunkai GAO Bingkun JIANG Chunlei WANG Xiufang College of Electrical and Information Engineering Northeast Petroleum UniversityDaqing 163318China

A multi-parametric sensor based on multi-mode microfiber(MMF)is proposed,utilizing the modal interference between HE11mode and HE12mode in the elongated multi-mode fiber to achieve the temperature and pressure measurement.In this paper,the simulation model of modal interference based on MMF is established and the mechanism of modal interference is analyzed.Using the different mechanisms of modal response in the fiber at different wavelengths,the temperature was inverted using the offset of wavelengths in the spectrum,and the pressure was measured using the change of light intensity.The independent measurement of temperature and pressure was achieved.The experimental results show that the sensor has a temperature sensitivity of 1.305 nm/℃.In the case of pressure sensing,the sensor shows a sensitivity of-0.163 d Bm/g.

关键词： measurement mode modal

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K^(+)/Cl^(−) co-transporter-2 upmodulation: a multi-modal therapy to treat spinal cord injury

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Neural Regeneration Research 2022年第9期17卷 1984-1986页

作者： Shane V.Hegarty Joanna Stanicka AXONIS Therapeutics Inc.LabCentralCambridgeMAUSA

Herein,the rationale and supporting evidence for the promise of developing K+/Cl−co-transporter-2(KCC2)neuromodulatory therapies for spinal cord injury(SCI)is discussed.SCI is commonly a life-changing,unforeseen neuro t rauma that has devastating consequences for the injured person,their families and society as a whole.Because less than 1%of patients have a complete recovery,the vast majority of people after SCI have significant disabilities and can be entirely dependent upon others for assistance in their activities of daily living.The socioeconomic costs are a significant global burden,with SCI often occurring in adults during their peak earning years.Currently,there are no approved drugs that improve functional outcomes for people with SCI.Therefore,SCI commonly leads to a lifetime of disability,and new therapeutic approaches are urgently needed.

关键词： injury modal consequences

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