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정옥찬(Ok Chan Jeong),김현동(Hyun Dong Kim),김태경(Tae Kyung Kim),전종훈(Jong Hun Jeon),김경천(Kyung Chun Kim) 한국가시화정보학회 2009 한국가시화정보학회 학술발표대회 논문집 Vol.2009 No.11
This paper presents a pneumatically-driven single cell trap, which consisted of pneumatic vibrator arrays and trap chamber for trapping of single cell. The entire structure was fabricated with only polydimethylsiloxane (PDMS). A live cell was successfully trapped at the trap zone generated by four vibrators. During trapping of single cell, the intracellular calcium response of single cell induced by the mechanical stimuli during was measured in order to investigate the effectiveness of the proposed cell trap as a stress-free trapping method.
김기록(Ki-Rock Kim),주병국(Byung-kook Joo),방재훈(Jae-Hoon Bang),안병철(Bierng-Chearl Ahn),전종훈(Jong-Hun Chun) 한국정보기술학회 2009 한국정보기술학회논문지 Vol.7 No.6
In this paper, we present the design procedure of a stepped bend which can be adapted to multi-layer waveguide structures. Optimum dimensions of the bend are obtained using a commercial software for the center frequency ranging from 1.1-1.9 times the waveguide cutoff frequency. To verify the accuracy of the proposed method, we design, fabricate, and measure a bend operating at 30-40㎓. The fabricated bend shows a good agreement with simulation and has reflection coefficient less than -24㏈ and a transmission coefficient greater than -0.2㏈.