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Easy‐to‐fabricate thin‐film coating on PDMS substrate with super hydrophilicity and stability
Author(s) -
Sun Lijun,
Luo Yong,
Gao Zhigang,
Zhao Weijie,
Lin Bingcheng
Publication year - 2015
Publication title -
electrophoresis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.666
H-Index - 158
eISSN - 1522-2683
pISSN - 0173-0835
DOI - 10.1002/elps.201400366
Subject(s) - coating , materials science , contact angle , substrate (aquarium) , microfluidics , layer (electronics) , adsorption , superhydrophobic coating , planar , thin film , copolymer , composite material , chemical engineering , nanotechnology , polymer , chemistry , organic chemistry , computer science , oceanography , computer graphics (images) , engineering , geology
With the fast expansion of microfluidic applications, stable, and easy‐to‐fabricate PDMS surface coating with super hydrophilicity is highly desirable. In this study, we introduce a new kind of copolymer‐based, single‐layer thin‐film coating for PDMS. The coating can exist in air at room temperature for at least 6 months without any noticeable deterioration in the super hydrophilicity (water contact angle ∼7°), resistance of protein adsorption, or inhibition of the EOF. In addition, this coating enables arbitrary patterning of cells on planar surfaces.