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《Acta Academiae Medicine Militaris Tertiae》 2002-01
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Oscillation circuit of a quartz crystal microbalance-based gene analyzer

YU Fan,YIN Wei,XU Hua sheng,FU Wei ling,ZHANG Bo,JIANG Tian lun,CHEN Ming (Department of Study and Condition,the Twenty-Sixth Research Institute, Ministry of Information Industry,Chongqing 400060,China)  
Objective To construct an oscillation circuit for a gene analyzer based on quartz crystal microbalance. Methods The conditions of oscillating phase and amplitude of quartz crystal microbalance were satisfied,and an enlarged circuit was added to the end of oscillation circuit to make the output signals meet TTL. The square wave was obtained after wave shifting and shaping,then the signals were transferred to the frequency counting card of computer. Results The final circuit was of good stability and strong vibromotive force in the liquid phase. Conclusion The oscillation circuit is suitable for the quartz crystal microbalance based gene analyzer.
【Fund】: 国家“九五”科技攻关项目 (96 A2 3 0 4 0 4 );; 国家自然科学基金资助面上项目 (3 9870 83 1);; 国家高技术计划生物技术领域青年基金资助项目 (“863”项目 );; 全军“九五”医学科研计划资助面上项目(98MO94 );; 全军“十五”医学科研计划资助面上项目 (0 1MA180 )
【CateGory Index】: R197.39;R312
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