Journal
ANALYST
Volume 137, Issue 22, Pages 5197-5200Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2an35787a
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Funding
- Department of Science and Technology of Shandong Province [BS2009DX006, 2008GG20005005]
- NSFC [21275158, 21007087]
- CAS [KZCX2-YW-JS208]
- 100 Talents Program of the CAS
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A simple colorimetric method with high sensitivity and selectivity was developed for sensing of nitrite as low as 4.0 mu M by naked eyes, which is based on etching of gold nanorods accompanied by shape changes in aspect ratios (length/width) and a visible color change from bluish green to red and then to colorless with the increase of nitrite.
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