A mixture of structural isomers was separated and identified at nanomolar concentrations (∼100,000 molecules) by incorporating capillary zone electrophoresis (CZE) with a sheath flow surface-enhanced Raman scattering (SERS) detector. Baseline resolution was obtained from three structural isomers of rhodamine using a planar silver SERS substrate, demonstrating the utility of this approach for trace chemical analysis.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3976900 | PMC |
| http://dx.doi.org/10.1039/c3cc49030k | DOI Listing |
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