Green Synthesized Carbon Quantum Dots from Curcuma Longa for Ascorbic Acid Detection

Anshul Singh; K. Kulathuraan; K. Pakiyaraj; Vasu Gajendiran; Devesh Pratap Singh; Kalpana Sengar

doi:10.4028/p-7t5606

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 117Green Synthesized Carbon Quantum Dots from Curcuma...

Green Synthesized Carbon Quantum Dots from Curcuma Longa for Ascorbic Acid Detection

Abstract:

In this study, we developed a carbon-dot-based sensor, which is particularly sensitive to ascorbic acid. It was possible to generate carbon dots (CDs) by utilising a renewable resource: Curcuma longa, which is abundantly available. The carbon dots produced from curcuma longa have particle diameters of 0.6 nm and are extremely brilliant in appearance. It has been proven that the fluorescence of carbon dots is inhibited in the presence of dopamine and ascorbic acid, with dopamine being more sensitive to the fluorescence than ascorbic acid. There were no significant differences between the minimal detection limits for dopamine and ascorbic acid, which were 33 μM, respectively. The Stern-Volmer plot was used to establish the quenching of ascorbic acid. It is one of the potential technique for sensing ascorbic acid.

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Periodical:

Advances in Science and Technology (Volume 117)

Pages:

97-101

DOI:

https://doi.org/10.4028/p-7t5606

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Online since:

August 2022

Authors:

Anshul Singh, K. Kulathuraan*, K. Pakiyaraj, Vasu Gajendiran, Devesh Pratap Singh, Kalpana Sengar

Keywords:

Ascorbic Acid, Carbon Dots, Curcuma Longa, Deltamethrin, Green Synthesis

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