Abstract
Surface wettability conversion with hydrophobins is important for its applications in biodevices. In this work, the application of a type I hydrophobin HGFI in surface wettability conversion on mica, glass, and poly(dimethylsiloxane) (PDMS) was investigated. X-ray photoelectron spectroscopy (XPS) and water-contact-angle (WCA) measurements indicated that HGFI modification could efficiently change the surface wettability. Data also showed that self-assembled HGFI had better stability than type II hydrophobin HFBI. Protein patterning and the following immunoassay illustrated that surface modification with HGFI should be a feasible strategy for biosensor device fabrication.
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This work has been supported by the National Natural Science Foundation of China (Grant number: 90403140).
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Hou, S., Li, X., Li, X. et al. Surface modification using a novel type I hydrophobin HGFI. Anal Bioanal Chem 394, 783–789 (2009). https://doi.org/10.1007/s00216-009-2776-y
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DOI: https://doi.org/10.1007/s00216-009-2776-y