期刊文献+

声表面波串联谐振器传感系统构建及初步应用研究 被引量:2

Study of Series Surface Acoustic Wave Resonator Sensing System and Its Preliminary Application
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摘要 探索了一种声表面波串联谐振器传感系统及其初步应用。该传感器的敏感部件由丝网印刷碳电极和一个433 MHz声表面波谐振器串联组成。采用真空封装的声表面波谐振器工作在较高的频率下,这有利于提高检测系统的稳定性和灵敏度。我们制备了不同浓度的小鼠肠道内分泌肿瘤细胞STC-1悬液用于检测实验,每种样品取100μL滴在丝网印刷碳电极上,实验记录了每种浓度细胞悬液的传感器响应。实验结果表明该传感器可以检测不同浓度的细胞悬液,并且具有较好的灵敏度。 A serial surface wave resonator(SAWR)sensing system and its preliminary application have been studied.The main sensitive component is a carbon screen-printed electrode(CSPE)in series with a 433 MHz SAWR.The vacuum-packaged SAWR,providing a stable and high operating frequency,helps to keep the stability and sensitivity of the detecting system.The intestinal STC-1 cells suspensions in different concentrations are prepared.Each cell suspension of 100 μL is dropcast on CSPE,and frequency responses of the sensor are recorded for analysis.Experi-ment results show that the proposed sensor presents a good sensitivity to cell suspensions in different concentrations.
出处 《传感技术学报》 CAS CSCD 北大核心 2013年第4期577-581,共5页 Chinese Journal of Sensors and Actuators
基金 国家自然科学基金项目(81000645) 浙江省公益技术应用研究项目(2011C21051) 浙江省自然科学基金项目(Y1100150) 浙江工商大学高等教育科学研究课题(Xgy13080) 浙江省大学生科技创新活动计划项目(2010R408015 2012R408041) 浙江工商大学大学生创新项目(11-143 11-145 11-159 12-160 12-161)
关键词 STC-1细胞 细胞悬液浓度 丝网印刷碳电极 声表面波 串联 STC-1 cell cell suspension concentration carbon screen-printed electrode surface acoustic wave serial
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