期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 150, 期 1, 页码 478-482出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2010.07.021
关键词
Poly(dimethylsiloxane); Fluorescence; Absorption; Parylene; Microfluidic channel
Absorption of fluorescent molecules is a troublesome property of microfluridic devices fabricated with PDMS The absorption raises background-levels of fluorescence from PDMS, and reduces concentrations of injected fluorescent molecules in PDMS channels We report here that conformal deposition of polyp-xylylene derivatives (parylenes) on the surface of PDMS substantially suppressed the absorption of Rhodamine B In a test of this technique, we found parylene-coated PDMS channels to be useful in accurate analyses using fluorescence intensity (C) 2010 Elsevier B V All rights reserved
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