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  • Title: Detecting cells on the surface of a silver electrode quartz crystal microbalance using plasma treatment and graft polymerization.
    Author: Chou HC, Yan TR, Chen KS.
    Journal: Colloids Surf B Biointerfaces; 2009 Oct 15; 73(2):244-9. PubMed ID: 19545984.
    Abstract:
    This paper utilizes a silver electrode quartz crystal microbalance (QCM) mass sensor to detect the physiology of cells. This study also investigates the plasma surface modification of silver electrode QCMs through deposition of hexamethyldisilazane (HMDSZ) films as a protection film. To improve the cell growth, this paper also performs post-treatments by surface-grafting acrylic acid (AAc), acrylamide (AAm), and oxygen plasma treatment onto the QCM electrodes. Experimental results indicate that plasma deposition is a useful technique to protect the surface of silver electrodes. This technique extends the unpeeling time of silver electrodes from 1 to 7 days. The hydrophilic silver electrode QCM surface modified by AAm exhibited a better storage time effect than other post-treatments.
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