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, Год журнала: 2021, Номер 9(4), С. 105346 - 105346

Опубликована: Март 21, 2021

Язык: Английский

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

Journal of Hazardous Materials, Год журнала: 2021, Номер 427, С. 128033 - 128033

Опубликована: Дек. 9, 2021

Язык: 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, Год журнала: 2021, Номер 7(5), С. 372 - 372

Опубликована: Май 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.

Язык: 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, Год журнала: 2021, Номер 11(7), С. 821 - 821

Опубликована: Июль 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%.

Язык: 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, Год журнала: 2022, Номер 10

Опубликована: Фев. 28, 2022

Herein, the metabolites secreted by brown algae,

Язык: Английский

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Nanomaterials as a sustainable choice for treating wastewater

Environmental Research, Год журнала: 2022, Номер 214, С. 113807 - 113807

Опубликована: Июль 4, 2022

Язык: Английский

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

Catalysts, Год журнала: 2023, Номер 13(4), С. 642 - 642

Опубликована: Март 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.

Язык: Английский

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

Environmental Research, Год журнала: 2022, Номер 209, С. 112809 - 112809

Опубликована: Янв. 29, 2022

Язык: Английский

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

Catalysts, Год журнала: 2023, Номер 13(2), С. 348 - 348

Опубликована: Фев. 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.

Язык: Английский

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Green Synthesis of Zinc Oxide Nanoparticles Using an Aqueous Extract of Punica granatum for Antimicrobial and Catalytic Activity

Journal of Functional Biomaterials, Год журнала: 2023, Номер 14(4), С. 205 - 205

Опубликована: Апрель 7, 2023

The peel aqueous extract of Punica granatum was utilized to fabricate zinc oxide nanoparticles (ZnO-NPs) as a green approach. synthesized NPs were characterized by UV-Vis spectroscopy, Fourier transform infrared (FT-IR), X-ray diffraction (XRD), transmission electron microscopy (TEM), and scanning microscopy, which attached an energy dispersive (SEM-EDX). Spherical, well arranged, crystallographic structures ZnO-NPs formed with sizes 10-45 nm. biological activities ZnO-NPs, including antimicrobial catalytic activity for methylene blue dye, assessed. Data analysis showed that the against pathogenic Gram-positive Gram-negative bacteria, unicellular fungi, observed occur in dose-dependent manner, displaying varied inhibition zones low minimum inhibitory concentration (MIC) values ranges 6.25-12.5 µg mL-1. degradation efficacy (MB) using is dependent on nano-catalyst concentration, contact time, incubation condition (UV-light emission). maximum MB percentages 93.4 ± 0.2% attained at 20 mL-1 after 210 min presence UV-light. there no significant difference between 210, 1440, 1800 min. Moreover, high stability degrade five cycles decreasing 4%. Overall, P. granatum-based are promising tools inhibit growth microbes UV-light emission.

Язык: Английский

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