SERRS Dyes: part 2. synthesis and evaluation of dyes for multiple labelling for SERRS.

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

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

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.
Original languageEnglish
Pages (from-to)69-72
Number of pages4
JournalAnalyst
Volume129
Issue number1
DOIs
Publication statusPublished - 2004
Externally publishedYes

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