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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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A randomized, prospective, two-center comparison of sirolimus-eluting stent and zotarolimus-eluting stent in acute ST-elevation myocardial infarction： The SEZE trial

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Chinese Medical Journal 2012年第19期125卷 3373-3381页

作者： Woo-Young Chung jeehoon kang Young-Seok Cho Hae-Jun Park Han-Mo Yang Jae-Bin Seo Jung-Won Suh Kwang-I1 Kim Tae-Jin Youn Sang-Hyun Kim In-Ho Chae Joo-Hee Zo Myung-A Kim Dong-Ju Choi Seoul National University Boramae Hospital Seoul South Korea Seoul National University Bundang Hospital Seongnam SouthKorea Seoul National University Hospital Seoul South Korea

Background The zotarolimus-eluting stent has shown larger in-stent late lumen loss compared to sirolimus-eluting stents in previous studies. However, this has not been thoroughly evaluated in ST elevation myocardial infarction. Methods This was a prospective, randomized, controlled trial evaluating angiographic outcomes in patients presenting with ST elevation myocardial infarction, treated with zotarolimus-eluting stents or sirolimus-eluting stents. From March 2007 to February 2009, 122 patients were randomized to zotarolimus-eluting stents or sirolimus-eluting stents in a 1：1 fashion. The primary endpoint was 9-month in-stent late lumen loss confirmed by coronary angiography, and secondary endpoints were percent diameter stenosis, binary restenosis rate, major adverse cardiac events （a composite of cardiac death, non-fatal myocardial infarction, and target vessel revascularization）, and late-acquired incomplete stent apposition. Results Angiographic in-stent late lumen loss was significantly higher in the zotarolimus-eluting stent group compared to the sirolimus-eluting stent group （（0.49±0.65） mm vs. （0.10±0.46） mm, P=0.001）. Percent diameter stenosis at 9-month follow-up was also larger in the zotarolimus-eluting stent group （（30.0±17.9）% vs. （17.6±14.0）%, P 〈0.001）. In-segment analysis showed similar findings. There were no significant differences in binary restenosis rate, major adverse cardiac events, and late-acquired incomplete stent apposition. Conclusions Compared to sirolimus-eluting stents, the zotarolimus-eluting stent is associated with significantly higher in-stent late lumen loss at 9-month angiographic follow-up in the treatment of ST elevation myocardial infarction. Although there was no significant difference in 1-year clinical outcomes, the clinical implication of increased late lumen loss should be further studied.

关键词： sirolimus-eluting stent zotarolimus-eluting stent ST elevation myocardial infarction late lumen loss

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