Journal of Analytical & Bioanalytical Techniques
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Chemically converted graphene (CCG) was found to effectively quench the fluorescence emission of Cy3 dye 1 (the intensity
is down to 1/38 of 1 alone) in aqueous solution, due to the formation of CCG-1 hybrid. After addition of certain amount of
bovine serum albumin (BSA) into the above mentioned system, about 60 times of fluorescence enhancement was observed for
the hybrid of CCG-1. This has been employed to discriminate BSA, and the fluorescence intensity was found to be proportional
to the BSA added in a concentration range from 0 to 8?10
M, the BSA detection limit was down to 5?10
Shiguo Sun is an Associate Professor of State Key Laboratory of Fine Chemicals, Dalian University of technology. He has published more than 50
papers in reputed journals.
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