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Ultrathin CdSe nanosheets: synthesis and application in simultaneous determination of catechol and hydroquinone.

Analytica chimica acta (2012-10-30)
Xia Cao, Xiaolan Cai, Quanchen Feng, Shu Jia, Ning Wang
ABSTRACT

Ultrathin crystalline CdSe nanosheets have been synthesized through a facile solution processes. Their application to simultaneous electrochemical determination of catechol and hydroquinone is demonstrated. The few-layer single crystalline CdSe modified electrode exhibits strong electrocatalytic activity toward the oxidation of a mixture of catechol and hydroquinone. The excellent analytical performance makes the ultrathin CdSe nanomaterials promising for the development of electrochemical sensors for potential applications in medicine, biotechnology and environmental chemistry.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
1,2-Dihydroxybenzene, ReagentPlus®, ≥99%
Sigma-Aldrich
Hydroquinone, ReagentPlus®, 99%
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Hydroquinone, ReagentPlus®, ≥99%
Sigma-Aldrich
Hydroquinone, meets USP testing specifications
Supelco
Hydroquinone, certified reference material, TraceCERT®
Sigma-Aldrich
Pyrocatechol, suitable for plant cell culture, BioReagent, ≥99%, powder
Sigma-Aldrich
Pyrocatechol, ≥99%
Sigma-Aldrich
Pyrocatechol, purified by sublimation, ≥99.5%