SERRS dyes

C. J. McHugh; F. T. Docherty; D. Graham; W. E. Smith

doi:10.1039/B311321C

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SERRSdyes

Part 2.† Syntheses and evaluation of dyes for multiple labelling for SERRS

C. J. McHugh,^a F. T. Docherty,^a D. Graham*^a and W. E. Smith^a

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^a Department. of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, UK
E-mail: duncan.graham@strath.ac.uk
Fax: 0141 552 0876
Tel: 0141 548 4701

Abstract

The syntheses of a number of azo and azine dyes with various surface attachment groups is described. The dyes use different methods of achieving surface complexing and are evaluated for their suitability as multiple labels for SERRS. The surface complexing agents, 8-hydroxyquinoline, benzotriazole, and pyridine are both shown to form robust layers on the silver surface. The relative intensities of the SERRS signals from each dye were shown to be predictive by considering the molar absorption coefficient at the laser excitation frequency.

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Article information

DOI: https://doi.org/10.1039/B311321C
Article type: Paper
Submitted: 17 Sep 2003
Accepted: 21 Nov 2003
First published: 11 Dec 2003

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Analyst, 2004,129, 69-72

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SERRS dyes

C. J. McHugh, F. T. Docherty, D. Graham and W. E. Smith, Analyst, 2004, 129, 69 DOI: 10.1039/B311321C

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