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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A Comprehensive Review of Nanomaterials: Types, Synthesis, Characterization, and Applications

Biointerface Research in Applied Chemistry, Journal Year: 2022, Volume and Issue: 13(1), P. 41 - 41

Published: Jan. 24, 2022

Nanotechnology has infiltrated all sectors due to its unique and evident impacts, which give the scientific community numerous breakthroughs in medical, agricultural, other domains. Nanomaterials (NMs) have risen prominence technological their adjustable physical, chemical, biological characteristics superior performance over bulk equivalents. NMs are divided into many categories based on size, composition, capping agents, form, origin. The capacity forecast NMs' features raises value of each categorization. As manufacturing industrial uses grow, so does demand. purpose this review is compare synthetic naturally occurring nanoparticles nanostructured materials determine nanoscale identify particular knowledge gaps related environmental application materials. paper includes an overview history classifications sources, both natural manufactured. Furthermore, applications for

Language: Английский

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Efficacy Assessment of Biosynthesized Copper Oxide Nanoparticles (CuO-NPs) on Stored Grain Insects and Their Impacts on Morphological and Physiological Traits of Wheat (Triticum aestivum L.) Plant

Biology, Journal Year: 2021, Volume and Issue: 10(3), P. 233 - 233

Published: March 17, 2021

Herein, CuO-NPs were fabricated by harnessing metabolites of Aspergillus niger strain (G3-1) and characterized using UV–vis spectroscopy, XRD, TEM, SEM-EDX, FT-IR, XPS. Spherical, crystallographic synthesized in sizes ranging from 14.0 to 47.4 nm, as indicated TEM XRD. EDX XPS confirmed the presence Cu O with weight percentages 62.96% 22.93%, respectively, at varied bending energies. FT-IR spectra identified functional groups that could act reducing, capping, stabilizing agents CuO-NPs. The insecticidal activity against wheat grain insects Sitophilus granarius Rhyzopertha dominica was dose- time-dependent. mortality due NP treatment 55–94.4% (S. granarius) 70–90% (R. dominica). A botanical experiment done a randomized block design. Low CuO-NP concentration (50 ppm) caused significant increases growth characteristics (shoot root length, fresh dry shoot root, leaves number), photosynthetic pigments (total chlorophylls carotenoids), antioxidant enzymes plants. There no change carbohydrate or protein content. use is promising tool control enhance performance.

Language: Английский

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Harnessing Bacterial Endophytes for Promotion of Plant Growth and Biotechnological Applications: An Overview

Plants, Journal Year: 2021, Volume and Issue: 10(5), P. 935 - 935

Published: May 7, 2021

Endophytic bacteria colonize plants and live inside them for part of or throughout their life without causing any harm disease to hosts. The symbiotic relationship improves the physiology, fitness, metabolite profile plants, while provide food shelter bacteria. bacteria-induced alterations offer many possibilities biotechnological, medicinal, agricultural applications. endophytes promote plant growth fitness through production phytohormones biofertilizers, by alleviating abiotic biotic stress tolerance. Strengthening immune system suppression are associated with novel antibiotics, secondary metabolites, siderophores, fertilizers such as nitrogenous other industrially interesting chemical compounds. can be used phytoremediation environmental pollutants control fungal diseases lytic enzymes chitinases cellulases, huge host range allows a broad spectrum applications agriculturally pharmaceutically species. More recently, endophytic have also been produce nanoparticles medical industrial This review highlights biotechnological bacterial endophyte proposes future goals application.

Language: Английский

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Synthesis, biomedical applications, and toxicity of CuO nanoparticles

Applied Microbiology and Biotechnology, Journal Year: 2023, Volume and Issue: 107(4), P. 1039 - 1061

Published: Jan. 13, 2023

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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Potential of biosynthesized zinc oxide nanoparticles to control Fusarium wilt disease in eggplant (Solanum melongena) and promote plant growth

BioMetals, Journal Year: 2022, Volume and Issue: 35(3), P. 601 - 616

Published: March 31, 2022

In this study, a novel, non-toxic, eco-friendly zinc oxide nanoparticles (ZnO-NPs) was used instead of the synthetic fungicides widely to control destructive phytopathogenic fungus Fusarium oxysporum, causative agent wilt disease in Solanum melongena L. Herein, biosynthesized ZnO-NPs carried out by Penicillium expansum ATCC 7861. vitro, mycosynthesized exhibited antifungal activity against oxysporum. vivo, suppressed cultivated decreasing severity with 75% plant protection. Moreover, stimulated recovery eggplant as an indicated improving morphological and metabolic indicators including height(152.5%), root length(106.6%), fresh biomass (146%), chlorophyll (102.8%), b (67.86%), total soluble carbohydrates (48.5%), protein (81.8%), phenol (10.5%), antioxidant isozymes compared infected control. Therefore, study suggests using alternative not only eradicate (Solanum melongena) but also promote growth parameters aspects.

Language: Английский

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A mini review on green nanotechnology and its development in biological effects

Archives of Microbiology, Journal Year: 2023, Volume and Issue: 205(4)

Published: March 22, 2023

The utilization of living organisms for the creation inorganic nanoscale particles is a potential new development in realm biotechnology. An essential milestone nanotechnology process creating dependable and environmentally acceptable metallic nanoparticles. Due to its increasing popularity ease, use ambient biological resources quickly becoming more significant this field study. phrase "green nanotechnology" has gained lot attention refers variety procedures that eliminate or do away with hazardous compounds repair environment. Green nanomaterials can be used biotechnological sectors such as medicine biology, well food textile industries, wastewater treatment agriculture field. construction an updated level knowledge study systems might support revolutionize nanoparticles (NPs) are presented article.

Language: Английский

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Potential Antimicrobial and Antibiofilm Properties of Copper Oxide Nanoparticles: Time-Kill Kinetic Essay and Ultrastructure of Pathogenic Bacterial Cells

Applied Biochemistry and Biotechnology, Journal Year: 2022, Volume and Issue: 195(1), P. 467 - 485

Published: Sept. 10, 2022

Abstract Mycosynthesis of nanoparticle (NP) production is a potential ecofriendly technology for large scale production. In the present study, copper oxide nanoparticles (CuONPs) have been synthesized from live cell filtrate fungus Penicillium chrysogenum . The created CuONPs were characterized via several techniques, namely Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), transmission electron microscope (TEM), scanning (SEM), and energy-dispersive spectroscopy (EDX). Furthermore, biosynthesized performed against biofilm forming Klebsiella oxytoca ATCC 51,983, Escherichia coli 35,218, Staphylococcus aureus 25,923, Bacillus cereus 11,778. anti-bacterial activity result was shown with zone inhibition determined to be 14 ± 0.31 mm, 16 0.53 11 0.57 10 mm respectively. more susceptible minimal inhibitory concentration (MIC) values 6.25 3.12 µg/mL, respectively, while , MIC value 12.5 25 μg/mL, minimum (MBIC) evident, that excellent anti-biofilm at sub-MIC levels reducing formation by 49% 59% results indicated MBIC on higher than 200 μg/mL 256 suggesting these could not inhibit mature formatted in vitro. Overall, all clearly confirmed ability prepared offer smart approach biomedical therapy resistant microorganisms because its promoted antimicrobial action, but only specified purposes.

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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