Convenient purification of gold clusters by co-precipitation for improved sensing of hydrogen peroxide, mercury ions and pesticides. | LitMetric

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Convenient purification of gold clusters by co-precipitation for improved sensing of hydrogen peroxide, mercury ions and pesticides. | LitMetric

Convenient purification of gold clusters by co-precipitation for improved sensing of hydrogen peroxide, mercury ions and pesticides.

Guijian Guan Shuang-Yuan Zhang Yongqing Cai Shuhua Liu M S Bharathi Michelle Low Yong Yu Jianping Xie Yuangang Zheng Yong-Wei Zhang Ming-Yong Han

Chem Commun (Camb)

Institute of High Performance Computing, A*STAR, 1 Fusionopolis Way, Singapore 138632, Singapore.

Published: June 2014

A method is created to separate free proteins from protein-protected gold clusters by using co-precipitation with zinc hydroxide.
After the separation, the clusters undergo dialysis, which leads to a purified product.
The purified gold clusters show increased fluorescence, making them more effective for sensitive detection and selective visualization.

An effective separation process is developed to remove free protein from the protein-protected gold clusters via co-precipitation with zinc hydroxide on their surface. After dialysis, the purified clusters exhibit an enhanced fluorescence for improved sensitive detection and selective visualization.

Download full-text PDF	Source
http://dx.doi.org/10.1039/c4cc02008a	DOI Listing

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