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Spider-inspired tunable mechanosensor for biomedical applications

npj Flexible Electronics 2023年第1期7卷 444-452页

作者： Taewi kim Insic Hong Yeonwook Roh Dongjin kim Sungwook kim Sunghoon Im Changhwan kim Kiwon Jang seongyeon kim Minho kim Jieun Park Dohyeon Gong Kihyeon Ahn Jingoo Lee Gunhee Lee Hak-Seung Lee Jeehoon Kang Ji Man Hong Seungchul Lee Sungchul Seo Bon-Kwon Koo Je-sung Koh Seungyong Han Daeshik Kang Department of Mechanical Engineering Ajou UniversitySuwonKorea Department of Mechanical Engineering Pohang University of Science and TechnologyPohangKorea Department of Sustainable Environment Research Korea Institute of Machinery&MaterialsDaejeonKorea Department of Internal Medicine and Cardiovascular Center Seoul National University HospitalSeoulKorea Department of Neurology and Neurosurgery Ajou University School of MedicineSuwonKorea Department of Nano-chemical Biological and Environmental EngineeringSeokyeong UniversitySeoulKorea Institute on Aging Seoul National UniversitySeoulKorea

The recent advances of wearable sensors are remarkable but there are still limitations that they need to be refabricated to tune the sensor for target ***,biological sensory systems have the inherent potential to adjust their sensitivity according to the external environment,allowing for a broad and enhanced ***,we developed a Tunable,Ultrasensitive,Nature-inspired,Epidermal Sensor(TUNES)that the strain sensitivity was dramatically increased(GF~30k)and the pressure sensitivity could be tuned(10–254 kPa^(−1))by preset membrane *** sensor adjusts the sensitivity to the pressure regime by preset tension,so it can measure a wide range(0.05 Pa–25 kPa)with the best performance:from very small signals such as minute pulse to relatively large signals such as muscle contraction and *** verified its capabilities as a wearable health monitoring system by clinical trial comparing with pressure wire which is considered the current gold standard of blood pressure(r=0.96)and home health care system by binary classification of Old’s/Young’s pulse waves via machine learning(accuracy 95%).

关键词： Sensor adjust Spider

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FET-based nanobiosensors for the detection of smell and taste

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Science China(Life Sciences) 2020年第8期63卷 1159-1167页

作者： Dongseok Moon Yeon Kyung Cha So-ong kim seongyeon Cho Hwi Jin Ko Tai Hyun Park School of Chemical and Biological Engineering Institute of Chemical ProcessesSeoul National UniversitySeoul 08826Republic of Korea Interdisciplinary Program for Bioengineering Seoul National UniversitySeoul 08826Republic of Korea

Various nanobiosensors composed of biomaterials and nanomaterials have been developed,due to their demonstrated advantage of showing high *** various biomaterials for biological recognition elements of the nanobiosensor,sensory receptors,such as olfactory and taste receptors,are promising biomaterials for developing nanobiosensors,because of their high selectivity to target ***-effect transistors(FET)with nanomaterials such as carbon nanotube(CNT),graphene,and conducting polymer nanotube(CPNT),can be combined with the biomaterials to enhance the sensitivity of ***,many efforts have been made to develop nanobiosensors using biomaterials,such as olfactory receptors and taste receptors for detecting various smells and *** review focuses on the biomaterials and nanomaterials used in nanobiosensor systems and studies of various types of nanobiosensor platforms that utilize olfactory receptors and taste receptors which could be applied to a wide range of industrial fields,including the food and beverage industry,environmental monitoring,the biomedical field,and anti-terrorism.

关键词： nanobiosensor olfactory receptor taste receptor field-effect transistor(FET)

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