文献类型：会议论文

英文题名：A new torque-actuated valve for PDMS microfluidic chip

作者：Mu, Xuan[1];Liang, Qiong-Lin;Hu, Ping;Ren, Kang-Nin;Wang, Yi-Ming;Luo, Guo-An[1]

机构：[1]ECUST, Sch Pharm, Shanghai, Peoples R China

会议论文集：1st Shenyang International Colloquium on Microfluidics

会议日期：OCT 21-24, 2007

会议地点：Shenyang, PEOPLES R CHINA

语种：英文

外文关键词：torque-actuated valve; microfluidic chip; PDMS; FEA

摘要：A simple and reusable torque-actuated valve is developed. It is composed of screws and a metal plate. The torque-actuated valve makes use of the displacement of screw to push down the PDMS layer upon the channel to close it while metal plate worked as a fastener and hold the screw's position. There is no need to drill holes on PDMS so as to improving the yield of the microchip. The performance of valve is tested by manipulating laminar and speed Of fluid. We can easily operate the valve to closedown fluid in trapezium channel. The valve is reusable and able to be employed on various chips. We present the finite element analysis which is compatible with both types of torque-actuated valves. The numerical results consist with experiment results.