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Electrochemical Detection of Hydrazine Using Poly(dopamine)-Modified Electrodes.

ABSTRACT: We have developed a simple and selective method for the electrochemical detection of hydrazine (HZ) using poly(dopamine) (pDA)-modified indium tin oxide (ITO) electrodes. Modification with pDA was easily achieved by submerging the ITO electrode in a DA solution for 30 min. The electrocatalytic oxidation of HZ on the pDA-modified ITO electrode was measured by cyclic voltammetry. In buffer solution, the concentration range for linear HZ detection was 100 µM-10 mM, and the detection limit was 1 µM. The proposed method was finally used to determine HZ in tap water to simulate the analysis of real samples. This method showed good recovery (94%-115%) and was not affected by the other species present in the tap water samples.

SUBMITTER: Lee JY

PROVIDER: S-EPMC4883338 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature

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Electrochemical Detection of Hydrazine Using Poly(dopamine)-Modified Electrodes.

Lee Ji Young JY Nguyen Truc Ly TL Park Jun Hui JH Kim Byung-Kwon BK

Sensors (Basel, Switzerland) 20160505 5

We have developed a simple and selective method for the electrochemical detection of hydrazine (HZ) using poly(dopamine) (pDA)-modified indium tin oxide (ITO) electrodes. Modification with pDA was easily achieved by submerging the ITO electrode in a DA solution for 30 min. The electrocatalytic oxidation of HZ on the pDA-modified ITO electrode was measured by cyclic voltammetry. In buffer solution, the concentration range for linear HZ detection was 100 µM-10 mM, and the detection limit was 1 µM. ...[more]

PMID: 27164108

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