Detection of mercury(II) based on Hg2+ -DNA complexes inducing the aggregation of gold nanoparticles
Journal
Chemical communications (Cambridge, England)
Journal Issue
19
Pages
2242
Date Issued
2008-05-21
Author(s)
Abstract
A DNA-Au NP probe for sensing Hg2+ using the formation of DNA-Hg2+ complexes through thymidine (T)-Hg2+ -T coordination to control the negative charge density of the DNA strands-thereby varying their structures-adsorbed onto Au NPs.
Subjects
COLORIMETRIC DETECTION; FLUORESCENT SENSOR; MERCURIC ION; HG-II; DNA; SEQUENCES; PAIRS
Publisher
ROYAL SOC CHEMISTRY
Type
journal article
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