期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 13, 期 38, 页码 17405-17412出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cp22116g
关键词
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资金
- Natural Sciences and Engineering Research Council (NSERC, Canada)
- Department of Chemistry at The University of Western Ontario
Triazole-modified deoxycytidines have been prepared for incorporation into single-stranded deoxyribonucleic acid (ssDNA). Electrochemical responses and electrogenerated chemiluminescence (ECL) of these deoxycytidine (dC) analogues, 1-4, were investigated as the monomers. Cyclic voltammetry and differential pulse voltammetry techniques were used to determine the oxidation and reduction potentials of 1-4, along with the reversibility of their electrochemical reactions. The dC analogues, in N,N-dimethylformamide containing 0.1 M tetra-n-butylammonium perchlorate as electrolyte, exhibited weak relative ECL efficiencies following the annihilation mechanism, while these efficiencies were enhanced with the use of benzoyl peroxide following the coreactant mechanism. It was shown that these nucleosides could generate excited monomers, and excimers as seen by the red-shifted ECL maxima relative to their corresponding photoluminescence peak wavelengths.
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