Elucidating antibiofilm as well as photocatalytic disinfection potential of green synthesized nanosilver against multi-drug-resistant bacteria and its photodegradation ability of cationic dyes

Bioinspired nanomaterials have widely been employed as suitable alternatives for controlling biofilm and pathogens due to their distinctive physico-chemical properties. This study explored the antibiofilm as well as photocatalytic potential of silver (Ag) nanoparticles (NPs) synthesized using the ce...

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Published in:Gut pathogens 2024-09, Vol.16 (1), p.51-11, Article 51
Main Authors: Mohan, Bibin, Abishad, Padikkamannil, Arya, Pokkittath Radhakrishnan, Dias, Marita, Vinod, Valil Kunjukunju, Karthikeyan, Asha, Juliet, Sanis, Kurkure, Nitin Vasantrao, Barbuddhe, Sukhadeo Baliram, Rawool, Deepak Bhiwa, Vergis, Jess
Format: Article
Language:English
Subjects:
Antibiofilm
Bacteria
Disinfection
Drug resistance
Dye removal
Escherichia coli
Infection control
Light-emitting diodes
Methicillin
Methylene blue
Nanoparticle
Photocatalysis
Probiotic
Silver
Spectrum analysis
Staphylococcus aureus
Staphylococcus aureus infections
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container_start_page 51
container_title Gut pathogens
container_volume 16
creator Mohan, Bibin
Abishad, Padikkamannil
Arya, Pokkittath Radhakrishnan
Dias, Marita
Vinod, Valil Kunjukunju
Karthikeyan, Asha
Juliet, Sanis
Kurkure, Nitin Vasantrao
Barbuddhe, Sukhadeo Baliram
Rawool, Deepak Bhiwa
Vergis, Jess
description Bioinspired nanomaterials have widely been employed as suitable alternatives for controlling biofilm and pathogens due to their distinctive physico-chemical properties. This study explored the antibiofilm as well as photocatalytic potential of silver (Ag) nanoparticles (NPs) synthesized using the cell-free supernatant of Lactobacillus acidophilus for the disinfection of multi-drug-resistant (MDR) strains of enteroaggregative E. coli (EAEC), Salmonella Typhimurium, S. Enteritidis and methicillin-resistant Staphylococcus aureus (MRSA) on exposure to LED light. In addition, the removal of toxic cationic dyes i.e., methylene blue (MB), rhodamine B (RhB) and crystal violet (CV) was explored on exposure to sunlight, LED and UV lights. Initially, the synthesis of AgNPs was verified using UV- Vis spectroscopy, X-ray diffraction and transmission electron microscopy. The synthesized AgNPs exhibited MIC and MBC values of 7.80 and 15.625 µg/mL, respectively. The AgNPs exhibited significant inhibition (P 
doi_str_mv 10.1186/s13099-024-00639-3
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On exposure to LED light, the AgNPs could effectively eliminate all the tested MDR isolates in a dose-dependent manner. While performing photocatalytic assays, the degradation of RhB was observed to be quite slower than MB and CV irrespective of the tested light sources. Moreover, the sunlight as well as UV light exhibited better photodegradation capacity than LED light. Notwithstanding the light sources, RhB followed zero-order kinetics; however, MB and CV followed primarily second-order kinetics. 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subjects Antibiofilm
Bacteria
Disinfection
Drug resistance
Dye removal
Escherichia coli
Infection control
Light-emitting diodes
Methicillin
Methylene blue
Nanoparticle
Photocatalysis
Probiotic
Silver
Spectrum analysis
Staphylococcus aureus
Staphylococcus aureus infections
title Elucidating antibiofilm as well as photocatalytic disinfection potential of green synthesized nanosilver against multi-drug-resistant bacteria and its photodegradation ability of cationic dyes
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