Unveiling the Chemistry behind the Green Synthesis of Metal Nanoparticles
authors Santos, SAO; Pinto, RJB; Rocha, SM; Marques, PAAP; Neto, CP; Silvestre, AJD; Freire, CSR
nationality International
journal CHEMSUSCHEM
author keywords gold; green chemistry; nanoparticles; reduction; silver
keywords PLANT-MEDIATED SYNTHESIS; SILVER NANOPARTICLES; GOLD NANOPARTICLES; ANTIBACTERIAL ACTIVITY; PHENOLIC-COMPOUNDS; MASS-SPECTROMETRY; POLAR EXTRACTS; HPLC-ELSD; BIOSYNTHESIS; BARK
abstract Nanobiotechnology has emerged as a fundamental domain in modern science, and metallic nanoparticles (NPs) are one of the largest classes of NPs studied because of their wide spectrum of possible applications in several fields. The use of plant extracts as reducing and stabilizing agents in their synthesis is an interesting and reliable alternative to conventional methodologies. However, the role of the different components of such extracts in the reduction/stabilization of metal ions has not yet been understood clearly. Here we studied the behavior of the main components of a Eucalyptus globulus Labill. bark aqueous extract during metal-ion reduction followed by advanced chromatographic techniques, which allowed us to establish their specific role in the process. The obtained results showed that phenolic compounds, particularly galloyl derivatives, are mainly responsible for the metal-ion reduction, whereas sugars are essentially involved in the stabilization of the NPs.
publisher WILEY-V C H VERLAG GMBH
issn 1864-5631
year published 2014
volume 7
issue 9
beginning page 2704
ending page 2711
digital object identifier (doi) 10.1002/cssc.201402126
web of science category Chemistry, Multidisciplinary; GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
subject category Chemistry; Science & Technology - Other Topics
unique article identifier WOS:000342813300045
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journal impact factor 7.411
5 year journal impact factor 7.575
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