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Polyoxometalate-grafted graphene nanohybrid for electrochemical detection of hydrogen peroxide and glucose.
Yang, MinHo; Kim, Dong Seok; Lee, Tae Jae; Lee, Seok Jae; Lee, Kyoung G; Choi, Bong Gill.
Afiliación
  • Yang M; Department of Nano Bio Research, National NanoFab Center (NNFC), Daejeon 34141, Republic of Korea.
  • Kim DS; Department of Chemical Engineering, Kangwon National University, Samcheok 25913, Republic of Korea.
  • Lee TJ; Department of Nano Bio Research, National NanoFab Center (NNFC), Daejeon 34141, Republic of Korea.
  • Lee SJ; Department of Nano Bio Research, National NanoFab Center (NNFC), Daejeon 34141, Republic of Korea.
  • Lee KG; Department of Nano Bio Research, National NanoFab Center (NNFC), Daejeon 34141, Republic of Korea. Electronic address: kglee@nnfc.re.kr.
  • Choi BG; Department of Chemical Engineering, Kangwon National University, Samcheok 25913, Republic of Korea. Electronic address: bgchoi@kangwon.ac.kr.
J Colloid Interface Sci ; 468: 51-56, 2016 Apr 15.
Article en En | MEDLINE | ID: mdl-26828273
The electrochemical performances of electrochemical biosensors largely depend on electrode characteristics, such as size, composition, surface area, and electron and ion conductivities. Herein, highly efficient electrocatalytic polyoxometalate (POM) was directly deposited on polymeric ionic liquid (PIL)-functionalized reduced graphene oxide (rGO) in a simple manner. The nano-sized POM with PIL functional groups was uniformly distributed on the surface of rGO sheets. The unique nanostructure of the resultant POM-g-rGO nanohybrids enabled well-defined multiple redox reaction of POMs and rapid electron transfer. In particular, as-prepared nanohybrids demonstrated high electrocatalytic activity for the electrochemical detection of H2O2 and glucose molecules in flow-injection biosensor device with high sensitivity, rapid response time, and low detection limit.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Compuestos de Tungsteno / Nanoestructuras / Técnicas Electroquímicas / Glucosa / Grafito / Peróxido de Hidrógeno Tipo de estudio: Diagnostic_studies Idioma: En Revista: J Colloid Interface Sci Año: 2016 Tipo del documento: Article Pais de publicación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Compuestos de Tungsteno / Nanoestructuras / Técnicas Electroquímicas / Glucosa / Grafito / Peróxido de Hidrógeno Tipo de estudio: Diagnostic_studies Idioma: En Revista: J Colloid Interface Sci Año: 2016 Tipo del documento: Article Pais de publicación: Estados Unidos