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Green versus Chemical Synthesis of Gold and Silver Nanoparticles

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Comparison ofgold and silver nanoparticles synthesized by using green technology (extracts of Elettaria cardamomum; peels of Citrus sinensis) and chemical reduction methodis done. These nanoparticles are further used to form nanocomposites of gold nanoparticles-polyaniline-MWCNT and silver nanoparticles-polyaniline-MWCNT. Detailed characterization of the modified electrode was done using DLS, UV-Vis, CV, SEM and EIS. From the voltammetric approach, it is confirmed that nanoparticles prepared through chemical method gives high electrochemical signal (RSDgNPs 2.01–3.94%, RSDcNPs 1.0–2%) as compared to green technology. This comparison between the two methods provides a new avenue making best sensing interface for biosensor fabrication.
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Keywords: CHEMICAL REDUCTION METHOD; GOLD NANOPARTICLES; GREEN TECHNOLOGY; NANOCOMPOSITES; SIGNAL AMPLIFICATION COMPARISON

Document Type: Research Article

Publication date: October 1, 2016

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  • Bionanoscience attempts to harness various functions of biological macromolecules and integrate them with engineering for technological applications. It is based on a bottom-up approach and encompasses structural biology, biomacromolecular engineering, material science, and engineering, extending the horizon of material science. The journal aims at publication of (i) Letters (ii) Reviews (3) Concepts (4) Rapid communications (5) Research papers (6) Book reviews (7) Conference announcements in the interface between chemistry, physics, biology, material science, and technology. The use of biological macromolecules as sensors, biomaterials, information storage devices, biomolecular arrays, molecular machines is significantly increasing. The traditional disciplines of chemistry, physics, and biology are overlapping and coalescing with nanoscale science and technology. Currently research in this area is scattered in different journals and this journal seeks to bring them under a single umbrella to ensure highest quality peer-reviewed research for rapid dissemination in areas that are in the forefront of science and technology which is witnessing phenomenal and accelerated growth.
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