期刊
ELECTROANALYSIS
卷 21, 期 3-5, 页码 422-430出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.200804415
关键词
Screen printed electrodes; Injection molding; Anodic stripping voltammetry; Electrochemiluminescence; Electrochemical sensor
An integrated microfluidic/electrochemical sensor with a dual working electrode configuration was fabricated for voltammetric and electrochemiluminescence (ECL) applications. The fabrication method integrates the two techniques of injection molding and screen printing for the first time. Injection molding is used to fabricate the flow cell with integrated electrical and fluidic connectors. Screen printing was used to print the electrodes directly onto the injection molded base plate. An over molding procedure followed by ultrasonic welding was used to form the complete sensor. The electrochemical and ECL performance of the sensors was assessed by applying different electrochemical methods such as cyclic voltammetry (CV), anodic stripping voltammetry (ASV) and chronoamperometry. The attractive analytical performance demonstrates good capability of the disposable sensors for routine online electrochemical and ECL measurements.
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