Facile Preparation of Ionic Liquid-coated Copper Nanowire-modified Carbon Paste Electrode for Electrochemical Detection of Etilefrine Drug
- Authors
- Venkateswarlu, Sada; Venu, Manthrapudi; Reddy, Yenegu Veera Manohara; Sravani, Bathinapatla; Mallikarjuna, K.; Yoon, Minyoung; Madhavi, G.
- Issue Date
- Jun-2019
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- Copper nanowires; 1-Ethyl-3-methylimidazolium methyl sulfate; Etilefrine hydrochloride; Cyclic voltammetry; Electrochemical sensor
- Citation
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.40, no.6, pp.560 - 565
- Journal Title
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY
- Volume
- 40
- Number
- 6
- Start Page
- 560
- End Page
- 565
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/1429
- DOI
- 10.1002/bkcs.11734
- ISSN
- 1229-5949
- Abstract
- A carbon paste electrode (CPE)/Cu nanowire (Cu NW)/poly(1-ethyl-3-methylimidazolium methyl sulfate) based sensor was successfully fabricated by the electro-polymerization of 1-ethyl-3-methylimidazolium methyl sulfate (EMIMS) onto the surface of Cu nanowires-modified carbon paste electrode. The morphology and chemical nature of Cu NWs were characterized by FTIR, FE-SEM, TEM, XRD techniques. The CPE/CuNWs/poly(EMIMS) showed an electrocatalytic activity toward the determination of etilefrine hydrochloride (ET-HCl) in the 0.11 M buffer solution of phosphate at pH 7.0. The CPE/CuNWs/poly(EMIMS) showed an excellent limit of detection (LOD) 2.3 mu M over the linear dynamic range of 0.1 to 1.3 mu M. The prepared CPE/CuNWs/poly(EMIMS) has exhibited high stability, good sensitivity, and low detection limit for the determination of ET-HCl. The validity of this advanced method was checked by applying in the blood plasma samples, with satisfactory results. This novel CPE/CuNWs/poly(EMIMS) can be an attractive material for the applications in biomedical and sensor fields.
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