Journal
NANOTECHNOLOGY
Volume 19, Issue 46, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/19/46/465502
Keywords
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Funding
- National Natural Science Foundation of China [20602015, 20772038]
- Distinguished Young Scientist of Hubei Province [2007ABB017]
- Chenguang Young Scientist for Wuhan [200750731283]
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Highly stable silver nanoparticles modified with p-sulfonatocalix[n]arene (n = 4, 8) were synthesized via a one-pot protocol in aqueous media and characterized by transmission electron microscopy, FT-IR and UV-vis spectroscopy. In comparison with p-sulfonatocalix[8] arene modified silver nanoparticles, p-sulfonatocalix[4] arene modified silver nanoparticles can be utilized as a novel colorimetric probe for optunal, allowing a rapid quantitative assay of optunal down to a concentration of 10(-7) M, showing a great potential for application to real-time in situ detection of optunal. The possible mechanism is discussed.
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