Characterization of Silver Nanoparticles Encapsulated Using an Ion-Exchange-Mediated Method and Their Application as Antimicrobial Agents

Y. Delgado-Beleño, C. E. Martínez-Núñez, N. S. Flores-López, A. Meza-Villezcas, L. P. Ramírez-Rodríguez*, R. Britto Hurtado*, M. Flores-Acosta, M. Cortez-Valadez

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

This study presents a method to encapsulate silver nanoparticle clusters in a NaCl and zeolite 4A matrix. This process allowed clusters of silver nanoparticles (Ag NPs) smaller than 100 nm to be obtained, with a size trend of 7 nm. The interplanar distances obtained by transmission electron microscopy (TEM) support that the synthesized nanoparticles have a cubic structure. The optical properties of the encapsulated clusters were studied by considering the surface plasmon resonance of Ag NPs located around 374 nm. The antibacterial efficacy of encapsulated nanoparticles was analyzed based on minimum inhibitory concentration (MIC). The encapsulated Ag NPs showed antibacterial inhibition at relatively low doses. Graphic Abstract: [Figure not available: see fulltext.]

Original languageEnglish
Pages (from-to)5632-5638
Number of pages7
JournalJournal of Electronic Materials
Volume50
Issue number10
DOIs
StatePublished - Oct 2021

Bibliographical note

Publisher Copyright:
© 2021, The Minerals, Metals & Materials Society.

Keywords

  • Silver encapsulated nanoparticles
  • antimicrobial activity
  • confined clustering nanoparticles
  • optical properties

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