In situ Silver Spot Preparation and on-Plate Surface-Enhanced Raman Scattering Detection in Thin Layer Chromatography Separation

被引：9

作者：

Herman, K. ^{[1
]}

Mircescu, N. E. ^{[1
]}

Szabo, L. ^{[1
]}

Leopold, L. F. ^{[2
]}

Chis, V. ^{[1
]}

Leopold, N. ^{[1
]}

机构：

[1] Univ Babes Bolyai, Fac Phys, Cluj Napoca 400084, Romania

[2] Univ Agr Sci & Vet Med, Dept Food Sci & Technol, Cluj Napoca 400372, Romania

来源：

JOURNAL OF APPLIED SPECTROSCOPY | 2013年 / 80卷 / 02期

关键词：

surface-enhanced Raman scattering; thin layer chromatography; silver spot; CAPILLARY-ELECTROPHORESIS; CRYSTAL VIOLET; SPECTROSCOPY; SERS; DFT; IDENTIFICATION; COMPLEXES; ZN(II); CU(II);

D O I：

10.1007/s10812-013-9765-9

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

An improved approach for surface-enhanced Raman scattering (SERS) detection of mixture constituents after thin layer chromatography (TLC) separation is presented. A SERS active silver substrate was prepared under open air conditions, directly on the thin silica film by photo-reduction of silver nitrate, allowing the detection of binary mixtures of cresyl violet, bixine, crystal violet, and Cu(II) complex of 4-(2-pyridylazo)resorcinol. The recorded SERS spectrum provides a unique spectral fingerprint for each molecule; therefore the use of analyte standards is avoided, thus rendering the presented procedure advantageous compared to the conventional detection methodology in TLC.

引用

页码：311 / 314

页数：4

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