Photocatalytic degradation of real textile and tannery effluent using biosynthesized magnesium oxide nanoparticles (MgO-NPs), heavy metal adsorption, phytotoxicity, and antimicrobial activity

Journal of environmental chemical engineering, Journal Year: 2021, Volume and Issue: 9(4), P. 105346 - 105346

Published: March 21, 2021

Language: Английский

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Nanobioremediation: A sustainable approach for the removal of toxic pollutants from the environment

Journal of Hazardous Materials, Journal Year: 2021, Volume and Issue: 427, P. 128033 - 128033

Published: Dec. 9, 2021

Language: Английский

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Rhizopus oryzae-Mediated Green Synthesis of Magnesium Oxide Nanoparticles (MgO-NPs): A Promising Tool for Antimicrobial, Mosquitocidal Action, and Tanning Effluent Treatment

Journal of Fungi, Journal Year: 2021, Volume and Issue: 7(5), P. 372 - 372

Published: May 10, 2021

The metabolites of the fungal strain Rhizopus oryaze were used as a biocatalyst for green-synthesis magnesium oxide nanoparticles (MgO-NPs). production methodology was optimized to attain maximum productivity follows: 4 mM precursor, at pH 8, incubation temperature 35 °C, and reaction time 36 h between precursor. as-formed MgO-NPs characterized by UV-Vis spectroscopy, TEM, SEM-EDX, XRD, DLS, FT-IR, XPS analyses. These analytical techniques proved gain crystalline, homogenous, well-dispersed spherical with an average size 20.38 ± 9.9 nm. potentiality dose- time-dependent. biogenic found be promising antimicrobial agent against pathogens including Staphylococcus aureus, Bacillus subtilis, Pseudomonas aeruginosa, Escherichia coli, Candida albicans inhibition zones 10.6 0.4, 11.5 0.5, 13.7 14.3 0.7, 14.7 0.6 mm, respectively, 200 μg mL–1. Moreover, manifested larvicidal adult repellence activity Culex pipiens very low concentrations. highest decolorization percentages tanning effluents 95.6 1.6% 100 µg/ mL after 180 min. At this condition, physicochemical parameters tannery effluents, TSS, TDS, BOD, COD, conductivity reduced 97.9%, 98.2%, 87.8%, 95.9%, 97.3%, respectively. chromium ion adsorbed 98.2% optimum experimental conditions.

Language: Английский

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The Catalytic Activity of Biosynthesized Magnesium Oxide Nanoparticles (MgO-NPs) for Inhibiting the Growth of Pathogenic Microbes, Tanning Effluent Treatment, and Chromium Ion Removal

Catalysts, Journal Year: 2021, Volume and Issue: 11(7), P. 821 - 821

Published: July 6, 2021

Magnesium oxide nanoparticles (MgO-NPs) were synthesized using the fungal strain Aspergillus terreus S1 to overcome disadvantages of chemical and physical methods. The factors affecting biosynthesis process optimized as follows: concentration Mg(NO3)2·6H2O precursor (3 mM), contact time (36 min), pH (8), incubation temperature (35 °C). characterization biosynthesized MgO-NPs was accomplished UV-vis spectroscopy, Fourier transform infrared (FT-IR) transmission electron microscopy (TEM), scanning microscopy—energy dispersive X-ray (SEM-EDX), diffraction (XRD), dynamic light scattering (DLS). Data confirmed successful formation crystallographic, spherical, well-dispersed with a size range 8.0–38.0 nm at maximum surface plasmon resonance 280 nm. biological activities including antimicrobial activity, biotreatment tanning effluent, chromium ion removal investigated. highest growth inhibition pathogenic Staphylococcus aureus, Bacillus subtilis, Pseudomonas aeruginosa, Escherichia coli, Candida albicans achieved 200 μg mL–1 MgO-NPs. exhibited high efficacy decolorize effluent (96.8 ± 1.7% after 150 min 1.0 µg mL–1) greatly decrease parameters total suspended solids (TSS), dissolved (TDS), oxygen demand (BOD), (COD), conductivity percentages 98.04, 98.3, 89.1, 97.2, 97.7%, respectively. Further, showed strong potential remove ions from 835.3 mg L–1 21.0 L–1, percentage 97.5%.

Language: Английский

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Enhanced Antimicrobial, Cytotoxicity, Larvicidal, and Repellence Activities of Brown Algae, Cystoseira crinita-Mediated Green Synthesis of Magnesium Oxide Nanoparticles

Frontiers in Bioengineering and Biotechnology, Journal Year: 2022, Volume and Issue: 10

Published: Feb. 28, 2022

Herein, the metabolites secreted by brown algae,

Language: Английский

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Nanomaterials as a sustainable choice for treating wastewater

Environmental Research, Journal Year: 2022, Volume and Issue: 214, P. 113807 - 113807

Published: July 4, 2022

Language: Английский

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Green Synthesis of Magnesium Oxide Nanoparticles and Nanocomposites for Photocatalytic Antimicrobial, Antibiofilm and Antifungal Applications

Catalysts, Journal Year: 2023, Volume and Issue: 13(4), P. 642 - 642

Published: March 23, 2023

Magnesium oxide nanoparticles (MgO NPs) have emerged as potential materials for various biomedical applications due to their unique physicochemical properties, including biodegradability, biocompatibility, cationic capacity, high stability and redox properties. MgO NPs become an attractive platform combat microbes may be a promising alternative overcome challenges associated with eliminating microbial biofilms antibiotic resistance. Hence, the increasing use of in biomedicine, new synthetic strategies are necessary. synthesised using green methods non-toxic, eco-friendly wide range biological, medical catalytic applications. This review presents recent advances biosynthesis by diverse bio-templates, such plant, bacterial, fungal algal extracts. Its photocatalytic properties show suitable inhibitory function against pathogenic agents, proliferation, biofilm formation growth. Furthermore, relevant nanocomposites comprehensively discussed regarding mechanisms effect on microbes, strains, well future perspectives.

Language: Английский

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Construction of SnO2/g-C3N4 an effective nanocomposite for photocatalytic degradation of amoxicillin and pharmaceutical effluent

Environmental Research, Journal Year: 2022, Volume and Issue: 209, P. 112809 - 112809

Published: Jan. 29, 2022

Language: Английский

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Light enhanced the antimicrobial, anticancer, and catalytic activities of selenium nanoparticles fabricated by endophytic fungal strain, Penicillium crustosum EP-1

Scientific Reports, Journal Year: 2022, Volume and Issue: 12(1)

Published: July 12, 2022

Abstract Selenium nanoparticles (Se-NPs) has recently received great attention over owing to their superior optical properties and wide biological biomedical applications. Herein, crystallographic dispersed spherical Se-NPs were green synthesized using endophytic fungal strain, Penicillium crustosum EP-1 . The antimicrobial, anticancer, catalytic activities of biosynthesized investigated under dark light (using Halogen tungsten lamp, 100 Watt, λ > 420 nm, intensity 2.87 W m −2 ) conditions. effect was dose dependent higher against Gram-positive Gram-negative bacteria as well different Candida spp attained in the presence than obtained Moreover, viabilities two cancer cells (T47D HepG2) highly decreased from 95.8 ± 2.9% 93.4 3.2% those 84.8 46.4 3.3% light-irradiation conditions, respectively. Significant decreases IC 50 values T47D HepG2 at 109.1 3.8 70.4 2.5 µg mL −1 , respectively conditions 19.7 7.2 4.8 4.2 after exposure light-irradiation. photoluminescence activity revealed methylene blue degradation efficiency 89.1 2.1% 210 min UV-irradiation compared 59.7 0.2% 68.1 1.03% stability efficient MB successfully achieved for least five cycles.

Language: Английский

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Plant-Based Copper Oxide Nanoparticles; Biosynthesis, Characterization, Antibacterial Activity, Tanning Wastewater Treatment, and Heavy Metals Sorption

Catalysts, Journal Year: 2023, Volume and Issue: 13(2), P. 348 - 348

Published: Feb. 3, 2023

Herein, the aqueous extract of Portulaca oleracea has been used as a safe, cheap, eco-friendly, and applicable scale-up method to bio-fabricate copper oxide nanoparticles (CuO-NPs). The character CuO-NPs were determined using UV-vis spectroscopy, Fourier transform infrared (FT-IR), X-ray diffraction (XRD), Transmission electron microscopy (TEM), Energy dispersive X-ray(EDX), Dynamic light scattering (DLS), zeta potential. Spherical crystalline with size range 5–30 nm at maximum surface plasmon resonance 275 successfully fabricated. main components green-synthesized particles Cu O weight percentages 49.92 28.45%, respectively. A Zeta-potential value −24.6 mV was recorded for CuO-NPs, indicating their high stability. plant-based showed promising antimicrobial catalytic activity in dose-dependent manner. Results that synthesized had efficacy inhibit growth pathogens Staphylococcus aureus, Bacillus subtilis, Escherichia coli, Pseudomonas aeruginosa, Candida albicans low MIC values ranges 6.25–25 µg/mL. highest decolorization tanning wastewater attained under sunlight irradiation conditions concentration 2.0 mg/mL after 200 min 88.6 ± 1.5% compared those which dark (70.3 1.2%). physicochemical parameters including total suspended solids (TSS), dissolved (TDS), chemical oxygen demand (COD), biological (BOD), conductivity optimum significantly decreased 95.2, 86.7, 91.4, 87.2, 97.2%, Interestingly, heavy metals cobalt (Co), lead (Pb), nickel (Ni), cadmium (Cd), chromium (Cr (VI)) 73.2, 80.8, 72.4, 64.4, 91.4%, respectively, treatment conditions. Overall, plant-synthesized have activities are considered nano-catalyst environmentally beneficial treatment.

Language: Английский

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