Abstract
We report on a novel luminescent method for the detection of folic acid (FA), a member of the vitamin B family. Y2O3 nanoparticles were doped with europium(III) ions and surface-modified with captopril. Their fluorescence is quenched by FA, and intensity is a function of folic acid concentration in the 0.1 – 40 μM concentration range. The detection limit is 83 nM of FA at pH 7 and room temperature.
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Acknowledgments
The financial support provided by the Iran National Science Foundation (INSF) and Bonyad Melli Nokhbegan (BMN) is gratefully acknowledged. Additionally, the authors would like to thank University of Tehran Research Affairs.
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Gudarzy, F., Moghaddam, A.B., Mozaffari, S. et al. A lanthanide nanoparticle-based luminescent probe for folic acid. Microchim Acta 180, 1257–1262 (2013). https://doi.org/10.1007/s00604-013-1050-3
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DOI: https://doi.org/10.1007/s00604-013-1050-3