Concepedia

Unmodified gold nanoparticles as a colorimetric probe for potassium DNA aptamers

Lihua Wang, Xingfen Liu, Xiaofang Hu, Shiping Song, Chunhai Fan

Chemical Communications · 2006 · 399 citations · 16 references

DOI

Concepts

Abstract

Unmodified gold nanoparticles effectively differentiate unfolded and folded DNA, thus providing a novel approach to colorimetrically probe aptamer-based recognition processes.

References

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Colorimetric detection of DNA sequences based on electrostatic interactions with unmodified gold nanoparticles

Huixiang Li, Lewis J. Rothberg · Proceedings of the National Academy of Sciences · 2004 · 1.3K citations · Full text

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Highly Selective Oligonucleotide‐Based Sensor for Mercury(<scp>II</scp>) in Aqueous Solutions

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Fast Colorimetric Sensing of Adenosine and Cocaine Based on a General Sensor Design Involving Aptamers and Nanoparticles

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