Bacteria mediated silver nanoparticles: comparison as potent antibiofilm agents

Abstract

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In -vitro Biofilm Formation of Vaginal Isolates of Streptococcus agalactiae; Effect of pH and Culture Media

“…(ODcut = ODavg of negative control + 3 × standard deviation of ODs of negative control). [14,15]. (OD (cut) -Optical density cut-off value, OD (isolate) -Optical density isolate, ODavg -Optical density average).…”

“…MTT (tetrazolium salt 3-[4, 5-dimethylthiazol-2-yl]-2, 5-diphenyltetrazolium bromide; Sigma-Aldrich) assay [14,15], was done as follows. The working solution of 1 mg/mL MTT was prepared by dissolving in sterile distilled water and was filtered.…”

The effect of fish collagen on the silver nanoparticles sizes and shapes using modified microwave-assisted green synthesis method and their antibacterial activities

“…Biomedical products such as topical lotions, antibacterial sprays, and wound dressings are often used. This occurs because they can impede the enzymatic functions of microbes by disrupting the membranes of these detrimental organisms [ 1 , 2 ].…”

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“…Chemical reduction is another most common process for preparation of silver NPs by inorganic and organic reducing substances. et al 2017), Staphylococcus aureus and Escherichia coli(Peiris et al 2019). Moreover, the fungus Fusarium based silver nanoparticles were analyzed to have long term stability as the fungus secretes an enzyme i.e., nitrate reductase which help in reducing the Ag ions and also involved in secreting capping proteins, which contribute to the long term stability(Ingle et al 2008).…”