1995
DOI: 10.1021/ja00140a006
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Electrochemical Measurement of the Solvent Accessibility of Nucleobases Using Electron Transfer between DNA and Metal Complexes

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Cited by 379 publications
(373 citation statements)
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“…The avidin-Ru film on a SnO2 electrode showed some background photocurrent (Figure 1g). After deposition of a second layer of ds-DNA, the current increased, but only marginally (Figure 1d), reflecting the steric hindrance of the bases in ds-DNA (27). The saturating DNA concentration for film deposition was determined in an experiment described in Figure S1 in the Supporting Information.…”
Section: Resultsmentioning
confidence: 99%
“…The avidin-Ru film on a SnO2 electrode showed some background photocurrent (Figure 1g). After deposition of a second layer of ds-DNA, the current increased, but only marginally (Figure 1d), reflecting the steric hindrance of the bases in ds-DNA (27). The saturating DNA concentration for film deposition was determined in an experiment described in Figure S1 in the Supporting Information.…”
Section: Resultsmentioning
confidence: 99%
“…56,58,59 DNA-based electrochemical methods have also been developed primarily to detect nucleic acid hybridization. 44,45,[60][61][62][63][64][65][66][67][68][69][70][71][72][73] Notably, those methods do not rely on an intercalator as the redox probe. General principles governing electron transport through modified films involving percolation or the physical displacement of associated ions are also well understood.…”
Section: Introductionmentioning
confidence: 99%
“…Resultados indicaram que o enantiômero ∆-interage significativamente com DNA, enquanto a mistura racêmica apresentou comportamento intermediário entre as formas ∆-e Λ-. Por outro lado, o complexo Ru(bpy) 3 3+ catalisa a oxidação do DNA através dos resíduos de guanina 58 : estudos por voltametria cíclica indicaram que pequenas diferenças na acessibilidade do solvente, próximo à região dos resíduos de guanina, podem ser úteis para o seqüenciamento de DNA ou no mapeamento quantitativo de estruturas complexas de ácidos nucléicos.…”
Section: Figura 5 Representação Esquemática Da Adsorção De Dna Na Suunclassified