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MDPI, International Journal of Molecular Sciences, 3(14), p. 4969-4981, 2013

DOI: 10.3390/ijms14034969

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Development and Antibacterial Activity of Cashew Gum-Based Silver Nanoparticles

Journal article published in 2013 by Patrick V. Quelemes, Felipe B. Araruna ORCID, Bruna E. F. de Faria, Selma A. S. Kuckelhaus, Durcilene A. da Silva, Ronaldo Z. Mendonça, Carla Eiras ORCID, Maria José dos S. Soares, Maria Jose dos S. Soares, José Roberto S. A. Leite
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The present study describes the development of a green synthesis of silver nanoparticles reduced and stabilized by exuded gum from Anacardium occidentale L. and evaluates in vitro their antibacterial and cytotoxic activities. Characterization of cashew gum-based silver nanoparticles (AgNPs) was carried out based on UV–Vis spectroscopy, transmission electron microscopy and dynamic light scattering analysis which revealed that the synthesized silver nanoparticles were spherical in shape, measuring about 4 nm in size with a uniform dispersal. AgNPs presented antibacterial activity, especially against Gram-negative bacteria, in concentrations where no significant cytotoxicity was observed.