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Synthesis of silver nanoparticles by plant extract, incorporated into alginate films and their characterizations

Apparao Gudimalla, Jiya Jose, Jose Varghese Rajendran, Giridhar Gurram, and Sabu Thomas

Department of Nanotechnology, Acharya Nagarjuna University, Guntur, India

 

E-mail: appigspl@yahoo.in

Received: 29 March 2021  Accepted: 6 October 2021

Abstract:

It is interesting to synthesize materials by an eco-friendly method for wound healing and other applications. Herein silver nanoparticles (AgNPs) were synthesized by an eco-friendly method using Justicia adhatoda leaf extract. The synthesized AgNPs were incorporated with sodium alginate (SA) to make films that can be used for wound healing and many other applications. The prepared AgNPs and the AgNPs incorporated SA films were characterized by TEM, AFM, SEM, optical microscopy, UV–Visible spectrophotometer, FTIR, contact angle, and mechanical analysis. AgNPs exhibited maximum absorbance at 420 nm by UV–Visible spectroscopy, and the TEM images revealed the spherical shape of the AgNPs. Both AgNPs and films showed good antibacterial activity against Staphylococcus aureus and Escherichia coli. These prepared films can be used for biomedical and nanobiotechnology fields.

Keywords: AgNPs; Biosynthesis; Alginate; Antimicrobial activity; Films

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-021-01923-1

 

Chemical Papers 76 (2) 1031–1043 (2022)

Thursday, May 23, 2024

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