Surface modification using a novel type I hydrophobin HGFI
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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.
A hydrophobin HGFI has been applied into surface wettability conversion for protein immobilization
Keywords
Hydrophobin XPS WCA Self-assembly Protein patterningNotes
Acknowledgment
This work has been supported by the National Natural Science Foundation of China (Grant number: 90403140).
Supplementary material
References
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