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In-Situ Metallization of Thermally-Treated Tobacco Mosaic Virus Using Silver Nanoparticles

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Tobacco mosaic virus (TMV) is used as an organic biotemplate to prepare hybrid materials with silver nanoparticles (AgNPs). In this study, the native rod-like TMV structure was transformed into spherical particles using a thermal treatment; subsequently, the external surface of the thermally-treated TMV (TT-TMV) were In-Situ covered with AgNPs through cycles of sequential reduction using sodium borohydride. The as-grown nanoparticles show a bimodal distribution on the surface of the TT-TMVs after the fifth nucleation cycle. Results of characterization of the metallized TT-TMV by dynamic light scattering, transmission electron microscopy, atomic force microscopy, and energy-dispersive X-ray spectroscopy accordingly show the effect of cycling on the morphology of the AgNPs/TT-TMV hybrids.
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Keywords: Metallization; Silver Nanoparticles; Surface Modification; Tobacco Mosaic Virus

Document Type: Research Article

Affiliations: 1: Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, 04600, México DF, Mexico 2: Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA 3 3: PECEM, Facultad de Medicina, Universidad Nacional Autónoma de México, 04600, México DF, Mexico 4: Laboratorio de Nanotecnología Ambiental, Centro del Agua para América Latina y el Caribe, Tecnológico de Monterrey, 64849, Monterrey, Nuevo León, Mexico

Publication date: July 1, 2017

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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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