Fabrication of Cr doped SnO2 nanoparticles based biosensor for the selective determination of riboflavin in pharmaceuticals
Literature Information
Publication Date
2013-01-09
DOI
10.1039/C3AN36754A
Impact Factor
4.616
Authors
N. Lavanya, S. Radhakrishnan, M. Navaneethan, Y. Hayakawa
View Original
Abstract
We report the fabrication and testing of a riboflavin (RF) biosensor based on the use of Cr doped SnO2 nanoparticles. The Cr–SnO2 nanoparticles with chromium concentration from 0 to 5 wt% were synthesised by a microwave irradiation method. Magnetic studies revealed that only 3 wt% Cr doped nano-SnO2 has ferromagnetic behaviour at room temperature. This Cr–SnO2 nanoparticles modified electrode responded to RF linearly over a concentration range of 0.2 × 10−6 to 1.0 × 10−4 M with a detection limit of 107 nM. The fabricated sensor showed an excellent anti-interference ability against electroactive species and metal ions and proved to be useful for the estimation of the RF content in pharmaceutical samples with satisfactory recovery.
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Analyst
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Analyst publishes analytical and bioanalytical research that reports premier fundamental discoveries and inventions, and the applications of those discoveries, unconfined by traditional discipline barriers.
Recommended Compounds
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(1R)-3-Bromo-1,7,7-trimethylbicyclo[2.2.1]heptan-2-one
CAS Number:
10293-06-8
Molecular Formula:
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N-Methyl-2-(4-nitrophenyl)ethanamine hydrochloride (1:1)
CAS Number:
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