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Biosensors & Bioelectronics

ISSN: 2155-6210

Open Access

M. H Asif

Campus Norrköping,
SE-60174 Norrköping
Sweden

Publications
  • Research Article
    Needle-Type Glucose Sensor Based on Functionalized Graphene
    Author(s): Kamran ul Hasan, M. H Asif, O Nur and M WillanderKamran ul Hasan, M. H Asif, O Nur and M Willander

    We demonstrate a novel, highly efficient glucose sensor based on functionalized graphene. Glucose oxidase (GOD) immobilization has been apprehendedbythe direct interaction between carboxyl acid groups of the reduced graphene oxide (RGO) and amines of GOD together with the electrostatic interactions existing between the positively charged polymeric ionic liquid (PIL) and GOD. This combined system can provide a favorable microenvironment for the GOD to retain its good bioactivity. The enzyme-coated graphene biosensor exhibited glucose-dependent electrochemical measurements against an Ag/AgCl reference electrode. The resulting sensor show broad range detection, up to 100 mM glucose concentration, with a sensitivity of 5.59 μA/ decade. It was found that glucose biosensor based on functionalized graphene can be seen as an effective candidate for the detection of sugar concentration in.. Read More»
    DOI: 10.4172/2155-6210.1000114

    Abstract PDF

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Citations: 1751

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