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Yang, Guangming; Zhao, Faqiong
Journal of materials chemistry. C, Materials for optical and electronic devices, 01/2014, Letnik: 2, Številka: 47Journal Article
A novel molecularly imprinted electrochemical sensor was constructed for the determination of lidocaine, which has a porous and three-dimensional nanostructure. Firstly, dendritic Pt-Pd bimetallic nanoparticles (NPs) and porous Pt nano-networks (NWs) were prepared using hexadecylpyridinium chloride as a structure-directing agent. Then, the dendritic Pt-Pd NPs were embedded onto porous Pt NWs and the resultant mixture was coated on a carboxyl graphene modified glassy carbon electrode. Afterwards, the suspension of aminated multi-walled carbon nanotubes loaded with dendritic Pt-Pd NPs was dropped onto the modified electrode surface to reinforce such porous NW and enlarge electrode surface area. Subsequently, a molecularly imprinted polymer film was fabricated by cyclic voltammetry at the modified electrode, using lidocaine as the template and o-phenylenediamine as the monomer. Under optimal conditions, the obtained electrochemical sensor offered an excellent response for lidocaine, the linear response range was from 5.0 10 super(-9) to 4.8 10 super(-6) mol L super(-1) and the detection limit was 1.0 10 super(-10) mol L super(-1). It was successfully applied to the detection of lidocaine in real samples with satisfactory results.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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