Format

Send to

Choose Destination
See comment in PubMed Commons below
Electrophoresis. 2013 Apr;34(8):1249-52. doi: 10.1002/elps.201200573. Epub 2013 Mar 25.

Use of surface plasmon resonance to study the adsorption of detergents on poly(dimethylsiloxane) surfaces.

Author information

1
Department of Chemistry and Biochemistry, California State University, Los Angeles, CA 90032-8202, USA.

Abstract

This paper demonstrates the use of surface plasmon resonance to study adsorption (either reversible or irreversible) of detergents on PDMS surfaces in real time. The surface plasmon resonance measurements can directly provide information about the adsorption/desorption processes of detergents on the surface revealing the durability of the adsorbed layer and the anticipated degree of the EOF. Hydroxypropyl methylcellulose very strongly adsorbs onto PDMS and can be considered both a semipermanent layer and stable semipermanent coating. Adsorbed SDS or CTAB layers were stable for several minutes upon rinsing the surface with solution not containing the detergent. It was shown that SDS coated onto PDMS in microchips has the potential to afford similar separations in PDMS as found in conventional fused silica capillaries.

PMID:
23400906
DOI:
10.1002/elps.201200573
[Indexed for MEDLINE]
PubMed Commons home

PubMed Commons

0 comments

    Supplemental Content

    Loading ...
    Support Center