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A novel multi-array immunoassay device based on the insert-plug model of piezoelectric (Pz) immunosensor fabricated with the screw clamp apparatus has been developed for quantitative detection of tumor markers such as alpha-fetoprotein (AFP), carcinoembryonic antigen (CEA), prostate specific antigen (PSA), and carcinoma antigen 125 (CA125) in serum, in which single immunosensor can oscillate independently...
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