Differentiating intrinsic SERS spectra from a mixture by sampling induced composition gradient and independent component analysis

By generating a composition gradient on a highly uniform SERS substrate and applying independent component analysis, we demonstrate that one can extract the intrinsic SERS spectrum of individual components from SERS spectra obtained from a two-component mixture.

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Bibliographische Detailangaben
Veröffentlicht in:	Analyst (London) 2012-01, Vol.137 (1), p.73-76
Hauptverfasser:	ABELL, Justin L, LEE, Joonsang, QUN ZHAO, SZU, Harold, YIPING ZHAO
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Analytical chemistry Chemistry Chemistry Techniques, Analytical - methods Complex Mixtures - analysis Complex Mixtures - chemistry Ethylenes - chemistry Exact sciences and technology Independent component analysis Phenols - chemistry Pyridines - chemistry Sampling Sensitivity and Specificity Silver - chemistry Solvents - chemistry Spectra Spectrometric and optical methods Spectrum Analysis, Raman - methods Sulfhydryl Compounds - chemistry Surface Properties
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Beschreibung
Zusammenfassung:	By generating a composition gradient on a highly uniform SERS substrate and applying independent component analysis, we demonstrate that one can extract the intrinsic SERS spectrum of individual components from SERS spectra obtained from a two-component mixture.
ISSN:	0003-2654 1364-5528
DOI:	10.1039/c1an15623c