An “off–on” approach for the detection of ascorbic acid using carbon dots as a fluorescent probe is presented, which is based on the fluorescence recovery of the quenched C-dots/Fe3+ complex when ascorbic acid is introduced. This sensor was also employed to determine the encapsulation efficiency of ascorbic acid in a liposome formulation.
J. Gong, X. Lu and X. An, RSC Adv., 2015, 5, 8533 DOI: 10.1039/C4RA13576H
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