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Synthesis of silver nanoparticles using reducing agents obtained from natural sources (Rumex hymenosepalus extracts)

Ericka Rodríguez-León1, Ramón Iñiguez-Palomares4*, Rosa Elena Navarro3, Ronaldo Herrera-Urbina2, Judith Tánori3, Claudia Iñiguez-Palomares5 and Amir Maldonado4

Author Affiliations

1 Departamento de Investigación en Física, Universidad de Sonora, Hermosillo, Sonora 83000, México

2 Departamento de Ingeniería Química y Metalurgia, Universidad de Sonora, Hermosillo, Sonora 83000, México

3 Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo, Sonora 83000, México

4 Departamento de Física, Universidad de Sonora, Apartado Postal 1626, Hermosillo, Sonora 83000, México

5 Centro de Investigación en Alimentación y Desarrollo A.C, Hermosillo, Sonora 83304, México

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Nanoscale Research Letters 2013, 8:318  doi:10.1186/1556-276X-8-318

Published: 10 July 2013

Additional files

Additional file 1:

Dried roots of Rumex hymenosepalus (Figure S1). 1H NMR spectra of Rh in DMSO-d6 referenced to TMS (Figure S2). Section of the 1H NMR spectra of the Rh extract (Figure S3). Following section of the 1H NMR spectra of the Rh extract (Figure S4). 1H NMR chemical shifts for the Rh extract (first column) as compared to those reported in the literature (Table S1). Molecular structure of the catechin compounds found in the Rh extract (Figure S5). Molecular structure of stilbene glycoside found in the Rh extract (Figure S6). Composition of samples without Rh extract (Table S2). UV-Vis spectrum of solutions without Rh extract (Figure S7). Sterility test of (A) aerobic mesophilic bacteria and (B) mold and yeast (Figure S8). EDS spectra for a silver nanoparticle (Figure S9). Chemical analysis of the EDS results for a silver nanoparticle (Table S3).

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