期刊
CHEMICAL COMMUNICATIONS
卷 47, 期 16, 页码 4676-4678出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cc05518b
关键词
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资金
- National Natural Science Foundation of China [20975083]
- Municipal Science Foundation of Chongqing City [CSTC-2008BB 4013]
G-quadruplex structure aptamer (PS2.M) can capture acridine orange (AO) from reduced graphene oxide (rGO). When the AO-PS2.M/rGO mixture is incubated with hemin, the specific binding of hemin with PS2.M results in a release of AO from PS2.M and return of AO back to rGO. Based on the quenching of fluorescence, the target hemin was detected sensitively and selectively, giving a detection limit of 50 nM.
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