New Synthesis of Gold‐ and Silver‐Based Nano‐Tetracycline Composites

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A new synthetic methodology of water‐soluble gold and silver nanoparticles (AuNPs@TC and AgNPs@TC), using the antibiotic tetracycline (TC) as co‐reducing and stabilizing agent, is reported. Both colloids exhibit high water stability. The average sizes obtained were 25±10 and 15±5 nm, respectively. B...

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Detalles Bibliográficos
Autores principales: Djafari, Jamila, Marinho, Catarina, Santos, Tiago, Igrejas, Gilberto, Torres, Carmen, Capelo, José Luis, Poeta, Patricia, Lodeiro, Carlos, Fernández‐Lodeiro, Javier
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2016
Materias:
Full Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5130297/
https://www.ncbi.nlm.nih.gov/pubmed/27957408
http://dx.doi.org/10.1002/open.201600016
Descripción
Sumario:A new synthetic methodology of water‐soluble gold and silver nanoparticles (AuNPs@TC and AgNPs@TC), using the antibiotic tetracycline (TC) as co‐reducing and stabilizing agent, is reported. Both colloids exhibit high water stability. The average sizes obtained were 25±10 and 15±5 nm, respectively. Both composites were tested against TC‐resistant bacteria, presenting an increasing antibacterial effect in the case of AgNPs@TC. The sensing towards metal ions was also explored. An interesting and reversible affinity of AuNPs@TC towards Al(III) cations in an aqueous system was also observed.

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