Green synthesis of silver nanoparticles from Aspergillus flavus and their antibacterial performance
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Dinesh Reddy Gopa
und
Kalyani Pullapukuri
Abstract
Many methods have been developed for the synthesis of silver nanoparticles (Ag-NPs), yet disadvantages are there to declined their catalytic activity due to the large size with small surface area. Hence, herein, the fungus mediated synthesis of Ag-NPs has been reported. The synthesized Ag-NPs were further characterized by XRD, SEM, EDS, and UV–Vis spectroscopy to study the particle size, surface, crystalline nature, phase formation of Ag-NPs and the produced particles were found to be 41.9 nm. The antibacterial efficiency of synthesized Ag-NPs was examined on various bacteria including Streptococcus pyrogenes, Staphylococcus aureus, Bacillus coagulans, Klebsiella pneumoniae and Corynibacterium glutamicum. The Ag-NPs could be considered as excellent broad-spectrum antibacterial agent. More prominently, the Ag-NPs produced by Aspergillus flavus exhibited potent antibacterial activity against certain pathogens. Bacillus coagulans exhibited maximum zone of inhibition 25.16 ± 0.80 at 80 μg/mL with respective to the standard antibiotic 26.66 ± 1.22 at 30 μg/mL concentration.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: No conflict of interest.
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© 2022 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Review
- A review of frictional pressure drop characteristics of single phase microchannels having different shapes of cross sections
- Research Articles
- Taguchi L16 (44) orthogonal array-based study and thermodynamics analysis for electro-Fenton process treatment of textile industrial dye
- Green synthesis of silver nanoparticles from Aspergillus flavus and their antibacterial performance
- Prediction of effect of wind speed on air pollution level using machine learning technique
- Model-based evaluation of heat of combustion using the degree of reduction
- Enhanced design of PI controller with lead-lag filter for unstable and integrating plus time delay processes
- Effect of operating parameters on the sludge settling characteristics by treatment of the textile dyeing effluent using electrocoagulation
- Simultaneous charging and discharging of metal foam composite phase change material in triplex-tube latent heat storage system under various configurations
- Optimal design of pressure swing adsorption units for hydrogen recovery under uncertainty
- Thermo-kinetics, thermodynamics, and ANN modeling of the pyrolytic behaviours of Corn Cob, Husk, Leaf, and Stalk using thermogravimetric analysis
Artikel in diesem Heft
- Frontmatter
- Review
- A review of frictional pressure drop characteristics of single phase microchannels having different shapes of cross sections
- Research Articles
- Taguchi L16 (44) orthogonal array-based study and thermodynamics analysis for electro-Fenton process treatment of textile industrial dye
- Green synthesis of silver nanoparticles from Aspergillus flavus and their antibacterial performance
- Prediction of effect of wind speed on air pollution level using machine learning technique
- Model-based evaluation of heat of combustion using the degree of reduction
- Enhanced design of PI controller with lead-lag filter for unstable and integrating plus time delay processes
- Effect of operating parameters on the sludge settling characteristics by treatment of the textile dyeing effluent using electrocoagulation
- Simultaneous charging and discharging of metal foam composite phase change material in triplex-tube latent heat storage system under various configurations
- Optimal design of pressure swing adsorption units for hydrogen recovery under uncertainty
- Thermo-kinetics, thermodynamics, and ANN modeling of the pyrolytic behaviours of Corn Cob, Husk, Leaf, and Stalk using thermogravimetric analysis
