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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Potential Applications of Engineered Nanoparticles in Plant Disease Management: A Critical Update

Chemosphere, Journal Year: 2022, Volume and Issue: 295, P. 133798 - 133798

Published: Feb. 2, 2022

Language: Английский

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Smart nanomaterial and nanocomposite with advanced agrochemical activities

Nanoscale Research Letters, Journal Year: 2021, Volume and Issue: 16(1)

Published: Oct. 18, 2021

Abstract Conventional agriculture solely depends upon highly chemical compounds that have negatively ill-affected the health of every living being and entire ecosystem. Thus, smart delivery desired components in a sustainable manner to crop plants is primary need maintain soil upcoming years. The premature loss growth-promoting ingredients their extended degradation increases demand for reliable novel techniques. In this regard, nanotechnology has offered revolutionize agrotechnological area imminent potential over conventional helps reform resilient cropping systems withholding prominent food security ever-growing world population. Further, in-depth investigation on plant-nanoparticles interactions creates new avenues toward improvement via enhanced yield, disease resistance, efficient nutrient utilization. incorporation nanomaterial with agrochemical activities establishing framework relevant enhance efficacy ultimately help address social acceptance, hazards, management issues future. Here, we highlight role or nanocomposite as well stable alternative protection production. Additionally, information controlled released system, interaction microbiome, promising nanopesticide, nanoherbicide, nanofertilizer, limitations are discussed present review.

Language: Английский

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Wastewater treatment with nanomaterials for the future: A state-of-the-art review

Environmental Research, Journal Year: 2022, Volume and Issue: 216, P. 114652 - 114652

Published: Oct. 26, 2022

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

Journal of Functional Biomaterials, Journal Year: 2023, Volume and Issue: 14(4), P. 205 - 205

Published: April 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.

Language: Английский

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Exploring the antimicrobial, antioxidant, anticancer, biocompatibility, and larvicidal activities of selenium nanoparticles fabricated by endophytic fungal strain Penicillium verhagenii

Scientific Reports, Journal Year: 2023, Volume and Issue: 13(1)

Published: June 3, 2023

Herein, four endophytic fungal strains living in healthy roots of garlic were used to produce selenium nanoparticles (Se-NPs) via green synthesis. Penicillium verhagenii was found be the most efficient Se-NPs producer with a ruby red color that showed maximum surface plasmon resonance at 270 nm. The as-formed crystalline, spherical, and well-arranged without aggregation, ranged from 25 75 nm size zeta potential value -32 mV, indicating high stability. Concentration-dependent biomedical activities P. verhagenii-based observed, including promising antimicrobial activity against different pathogens (Escherichia coli, Pseudomonas aeruginosa, Bacillus subtilis, Staphylococcus aureus, Candida albicans, C. glabrata, tropicalis, parapsilosis) minimum inhibitory concentration (MIC) 12.5-100 µg mL-1. biosynthesized antioxidant DPPH-scavenging percentages 86.8 ± 0.6% 1000 mL-1 decreased 19.3 4.5% 1.95 Interestingly, also anticancer PC3 MCF7 cell lines IC50 225.7 3.6 283.8 7.5 mL-1, respectively while it is remaining biocompatible normal WI38 Vero lines. Additionally, synthesized effective instar larvae medical insect, Aedes albopictus mortality 85.1 3.1, 67.2 1.2, 62.10 1.4, 51.0 1.0% 50 for I, II, III, IV-instar larva, respectively. These data highlight efficacy cost-effective eco-friendly synthesis applications.

Language: Английский

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Magnesium Oxide Nanoparticles: Effective Antilarvicidal and Antibacterial Agents

ACS Omega, Journal Year: 2023, Volume and Issue: 8(6), P. 5225 - 5233

Published: Feb. 2, 2023

People are vulnerable to mosquito-borne infections in tropical and subtropical climate countries. Due resistive issues, vector control is an immediate concern today's environment. The current study describes the synthesis of magnesium oxide by four different approaches including green, microwave, sol–gel, hydrothermal methods. synthesized (MgO) nanoparticles were characterized using Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), high-resolution scanning electron microscopy (HRSEM), energy-dispersive analysis (EDAX) techniques. FT-IR studies reveal presence functional groups nanoparticles. structural morphological investigated XRD HRSEM. EDAX reveals Mg O prepared samples. MgO NPs screened for antibacterial against Gram-positive strains, Enterococcus faecalis Staphylococcus aureus, two Gram-negative cultures, Escherichia coli Klebsiella pneumoniae, concentrations. results indicated excellent activity both bacteria at 50 mg/mL hydrothermally produced nanoparticles, with a maximal zone inhibition (ZOI) 5 mm S. 7 E. faecalis, 6 K. pneumoniae. ZOI was found be greatest 9 when sol–gel-produced used. nanostructures tested fourth-instar larvae Aedes aegypti albopictus, exhibited better compared other methods synthesis. reports show that A. albopictus mortality rates reported lowest green-manufactured (7.5 g mL–1) highest (120 mL–1). research indicates promising drugs mosquitocidal properties.

Language: Английский

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Nanotechnology as a Promising Tool against Phytopathogens: A Futuristic Approach to Agriculture

Agriculture, Journal Year: 2023, Volume and Issue: 13(9), P. 1856 - 1856

Published: Sept. 21, 2023

It is crucial to increase agricultural yields fulfill the rising demand for food and security it provides a growing population. To protect human supplies outputs, disease management essential. Plant infections are silent enemy of economic crop production cross-border commerce goods, inflicting roughly 20–30% losses year. If accurately rapidly detected identified, this can be minimized, specialized treatment given. The current methods preventing plant diseases utterly dependent on agrochemicals, which have adverse effects ecosystem. By improving their solubility, lengthening shelf life, lowering toxicity, nanotechnology help reduce harmful pesticides fungicides in sustainable environmentally responsible way. Engineered nanoparticles used control either by using nanoparticle itself or as carrier antibiotics. Regardless many prospective benefits nanoparticles, few nanoparticle-based products been made commercially available use more widespread applications. For rapid accurate spotting diseases, combination systems with molecular diagnostics acts an alternative where detection may taken portable miniaturized appliance. minimizing application chemicals adopting quick identification infections, might sustainably minimize issues control. This review outlines tools techniques diagnosis explains how works, along prospects future protection.

Language: Английский

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