One-Pot Fabrication of Dendritic NiO@carbon-nitrogen Dot Electrodes for Screening Blood Glucose Level in Diabetes

Naeem Akhtar, Sherif A. El-Safty, Mamdouh E. Abdelsalam, Hiroshi Kawarada

    Research output: Contribution to journalArticle

    23 Citations (Scopus)

    Abstract

    Selective and sensitive glucose sensors with fast response for screening diabetic blood level are demanded. In this paper, the one-pot nanoarchitecture of dendritic NiO@carbon-nitrogen (C-N) dots (designated as NCD) sphere-wrapping Ni foam electrodes are reported as an effective and sensitive glucose sensor in blood samples. In this construction design, the NCD sphere electrode with excessive surface defects, large fractions of catalytic active sites, high surface area, and mobility of electron transfer through the actively surface NCD sphere can massively enhance the electrocatalytic activity for nonenzymatic glucose detection in diabetic blood. This portable sensor enables highly sensitive recognition of glucose detection (≈0.01 × 10-6m) over a wider linear range (≈0.005-12 × 10-3m) with rapid response time of a few seconds. The key result is that the engineered NCD sphere electrodes function as simple, easy-to-use electrochemical sensing assays of glucose levels in diabetic blood patients with a wide range of precision or linearity, recyclability, and excellent selectivity, even in the presence of potentially interfering organic (ascorbic acid, uric acid, dopamine, lactose, maltose, and sucrose) and inorganic (NaCl, Na2SO4, KCl, and K2SO4) species. The results demonstrate the potential for the electrochemical sensors to be used in preventing serious health problems associated with diabetes mismanagement.

    Original languageEnglish
    Pages (from-to)2110-2119
    Number of pages10
    JournalAdvanced healthcare materials
    Volume4
    Issue number14
    DOIs
    Publication statusPublished - 2015 Oct 1

    Fingerprint

    Medical problems
    Glucose
    Blood Glucose
    Screening
    Electrodes
    Blood
    Nitrogen
    Carbon
    Glucose sensors
    Fabrication
    Catalytic Domain
    Maltose
    Electrochemical sensors
    Ascorbic acid
    Organic acids
    Surface defects
    Sugar (sucrose)
    Lactose
    Uric Acid
    Ascorbic Acid

    Keywords

    • Diabetic blood
    • Electrodes, electrochemical sensors
    • Glucose sensors
    • NiO@carbon-nitrogen dot

    ASJC Scopus subject areas

    • Biomedical Engineering
    • Biomaterials
    • Pharmaceutical Science

    Cite this

    One-Pot Fabrication of Dendritic NiO@carbon-nitrogen Dot Electrodes for Screening Blood Glucose Level in Diabetes. / Akhtar, Naeem; El-Safty, Sherif A.; Abdelsalam, Mamdouh E.; Kawarada, Hiroshi.

    In: Advanced healthcare materials, Vol. 4, No. 14, 01.10.2015, p. 2110-2119.

    Research output: Contribution to journalArticle

    Akhtar, Naeem ; El-Safty, Sherif A. ; Abdelsalam, Mamdouh E. ; Kawarada, Hiroshi. / One-Pot Fabrication of Dendritic NiO@carbon-nitrogen Dot Electrodes for Screening Blood Glucose Level in Diabetes. In: Advanced healthcare materials. 2015 ; Vol. 4, No. 14. pp. 2110-2119.
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