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Fabrication of Polydopamine Coating and Its Application in Glucose Sensor

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Polydopamine (PDA) film coatings are multifunctional substances because these coatings can adhere to nearly all known solid materials. The self-polymerization of dopamine in aqueous solution was investigated in this study; PDA films are an effective platform for further functionalization similar to the reduction of silver ions into silver nanoparticles (NPs). The films provide a new method to attach metal NPs on substrates. Through this simple method, glucose sensors based on this kind of Ag NPs/ITO exhibited a detection limit of about 10 μM and presented a good sensitivity enough for real use (3–8 mM).
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Keywords: Glucose Sensors; Polydopamine; Reduction; Silver NPs

Document Type: Research Article

Affiliations: School of Science, Beijing Jiaotong University, Beijing 100044, P. R. China

Publication date: March 1, 2018

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  • 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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