Selective detection of folic acid in the midst of other biomolecules using water-soluble AgInS2 quantum dots

Bambesiwe M.M. May; Sundararajan Parani; Jose Varghese Rajendran; Oluwatobi S. Oluwafemi

doi:10.1557/mrc.2019.124

Selective detection of folic acid in the midst of other biomolecules using water-soluble AgInS₂ quantum dots

Bambesiwe M.M. May, Sundararajan Parani, Jose Varghese Rajendran, Oluwatobi S. Oluwafemi

Chemical Sciences

University of Johannesburg

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We herein report the detection of folic acid (FA) via the fluorometric method using water-soluble AgInS2 quantum dots (QDs). The optical analysis showed that the addition of FA to AgInS2 QDs results in significant, blue-shifted photoluminescence emission. A linear plot of the blueshift in the photoluminescence wavelength position against FA concentration was obtained in the range of 0.03-33 M with the detection limit of 52 nM. Interference study showed the selective detection of FA in the presence of other biomolecules. The as-synthesized AgInS2 QDs can be employed as an optical sensor for the rapid detection of FA in aqueous solutions.

Original language	English
Pages (from-to)	1306-1310
Number of pages	5
Journal	MRS Communications
Volume	9
Issue number	4
DOIs	https://doi.org/10.1557/mrc.2019.124
Publication status	Published - 2019

ASJC Scopus subject areas

General Materials Science

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10.1557/mrc.2019.124

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abstract = "We herein report the detection of folic acid (FA) via the fluorometric method using water-soluble AgInS2 quantum dots (QDs). The optical analysis showed that the addition of FA to AgInS2 QDs results in significant, blue-shifted photoluminescence emission. A linear plot of the blueshift in the photoluminescence wavelength position against FA concentration was obtained in the range of 0.03-33 M with the detection limit of 52 nM. Interference study showed the selective detection of FA in the presence of other biomolecules. The as-synthesized AgInS2 QDs can be employed as an optical sensor for the rapid detection of FA in aqueous solutions.",

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AU - Parani, Sundararajan

AU - Rajendran, Jose Varghese

AU - Oluwafemi, Oluwatobi S.

PY - 2019

Y1 - 2019

N2 - We herein report the detection of folic acid (FA) via the fluorometric method using water-soluble AgInS2 quantum dots (QDs). The optical analysis showed that the addition of FA to AgInS2 QDs results in significant, blue-shifted photoluminescence emission. A linear plot of the blueshift in the photoluminescence wavelength position against FA concentration was obtained in the range of 0.03-33 M with the detection limit of 52 nM. Interference study showed the selective detection of FA in the presence of other biomolecules. The as-synthesized AgInS2 QDs can be employed as an optical sensor for the rapid detection of FA in aqueous solutions.

AB - We herein report the detection of folic acid (FA) via the fluorometric method using water-soluble AgInS2 quantum dots (QDs). The optical analysis showed that the addition of FA to AgInS2 QDs results in significant, blue-shifted photoluminescence emission. A linear plot of the blueshift in the photoluminescence wavelength position against FA concentration was obtained in the range of 0.03-33 M with the detection limit of 52 nM. Interference study showed the selective detection of FA in the presence of other biomolecules. The as-synthesized AgInS2 QDs can be employed as an optical sensor for the rapid detection of FA in aqueous solutions.

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JO - MRS Communications

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Selective detection of folic acid in the midst of other biomolecules using water-soluble AgInS₂ quantum dots

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