A biotin-hydrogel-coated quartz crystal microbalance biosensor and applications in immunoassay and peptide-displaying cell detection.Hsiu-Mei Chen, Tsun-Han Huang, Ruey-Ming TsaiAnalytical biochemistry2009A biotin-coated quartz crystal microbalance (QCM) chip was prepared by dip-coating a long-chain alkanethiol-modified crystal with precoupled dextran-biotin hydrogels. The resulting biotin chip was… (More)