期刊
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
卷 394, 期 3, 页码 783-789出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-009-2776-y
关键词
Hydrophobin; XPS; WCA; Self-assembly; Protein patterning
资金
- National Natural Science Foundation of China [90403140]
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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