Direct Electrochemistry and Electrocatalytic Behavior of Hemoglobin Entrapped in Ag@C Nanocables/Gold Nanoparticles Nanocomposites Film
Direct electrochemistry of hemoglobin (Hb) was successfully fabricated by immobilizing Hb on the nanocomposites containing of Ag@C nanocables and Au nanoparticles (AuNPs) modified glassy carbon electrode (GCE). The immobilized Hb retained its biological activity and shown high catalytic
activities to the reduction of H2O2 by circular dicroism (CD) spectrum, fourier transform infrared (FT-IR) spectrum and cyclic voltammetry (CV). Experimental conditions such as scan rate and pH Value were studied and optimized. The results indicated that the resulting
biosensor are linear to the concentrations of H2O2 in the ranges of 6.67×10−7−2.40×10−5 M, and the detection limit is 2.02×10−7 M. The electrochemical biosensor has also high stability and good
reproducibility.
Document Type: Research Article
Publication date: 01 October 2012
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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