Highly sensitive and selective mercury sensor based on mismatched base pairing with dioxT

Chemical Communications : Chem Comm
Ji Hoon HanHiroshi Sugiyama

Abstract

A highly selective and sensitive sensor for mercury was designed based on a new fluorescent nucleobase, dioxT. Its metal-sensing ability was investigated using mismatched dioxT-T and dioxT-C base pairing. The sensor exhibited a high sensitivity (quenching efficiency, 80%, 1 : 1 binding mode) and selectivity upon the addition of mercury ions.

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Methods Mentioned

BETA
FRET
Fluorescence

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