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2021-07-06Zeitschriftenartikel DOI: 10.18452/23080
The Catalytic Activity of Biosynthesized Magnesium Oxide Nanoparticles (MgO-NPs) for Inhibiting the Growth of Pathogenic Microbes, Tanning Effluent Treatment, and Chromium Ion Removal
dc.contributor.authorSaied, Ebrahim
dc.contributor.authorEid, Ahmed
dc.contributor.authorHassan, Saad El-Din
dc.contributor.authorSalem, Salem S
dc.contributor.authorRadwan, Ahmed A.
dc.contributor.authorHalawa, Mahmoud
dc.contributor.authorM. Saleh, Fayez
dc.contributor.authorSaad, Hosam A.
dc.contributor.authorM. Saied, Essa
dc.contributor.authorFouda, Amr
dc.date.accessioned2021-07-15T09:51:11Z
dc.date.available2021-07-15T09:51:11Z
dc.date.issued2021-07-06none
dc.identifier.other10.3390/catal11070821
dc.identifier.urihttp://edoc.hu-berlin.de/18452/23742
dc.description.abstractMagnesium oxide nanoparticles (MgO-NPs) were synthesized using the fungal strain Aspergillus terreus S1 to overcome the disadvantages of chemical and physical methods. The factors affecting the biosynthesis process were optimized as follows: concentration of Mg(NO3)2·6H2O precursor (3 mM), contact time (36 min), pH (8), and incubation temperature (35 °C). The characterization of biosynthesized MgO-NPs was accomplished using UV-vis spectroscopy, Fourier transform infrared (FT-IR) spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy—energy dispersive X-ray (SEM-EDX), X-ray diffraction (XRD), and dynamic light scattering (DLS). Data confirmed the successful formation of crystallographic, spherical, well-dispersed MgO-NPs with a size range of 8.0–38.0 nm at a maximum surface plasmon resonance of 280 nm. The biological activities of biosynthesized MgO-NPs including antimicrobial activity, biotreatment of tanning effluent, and chromium ion removal were investigated. The highest growth inhibition of pathogenic Staphylococcus aureus, Bacillus subtilis, Pseudomonas aeruginosa, Escherichia coli, and Candida albicans was achieved at 200 μg mL–1 of MgO-NPs. The biosynthesized MgO-NPs exhibited high efficacy to decolorize the tanning effluent (96.8 ± 1.7% after 150 min at 1.0 µg mL–1) and greatly decrease chemical parameters including total suspended solids (TSS), total dissolved solids (TDS), biological oxygen demand (BOD), chemical oxygen demand (COD), and conductivity with percentages of 98.04, 98.3, 89.1, 97.2, and 97.7%, respectively. Further, the biosynthesized MgO-NPs showed a strong potential to remove chromium ions from the tanning effluent, from 835.3 mg L–1 to 21.0 mg L–1, with a removal percentage of 97.5%.eng
dc.language.isoengnone
dc.publisherHumboldt-Universität zu Berlin
dc.rights(CC BY 4.0) Attribution 4.0 Internationalger
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectbiogenic synthesiseng
dc.subjectAspergillus terreuseng
dc.subjecttanning effluenteng
dc.subjectchromium ioneng
dc.subjectpathogenic microbeseng
dc.subjectnanoparticle characterizationeng
dc.subject.ddc540 Chemie und zugeordnete Wissenschaftennone
dc.titleThe Catalytic Activity of Biosynthesized Magnesium Oxide Nanoparticles (MgO-NPs) for Inhibiting the Growth of Pathogenic Microbes, Tanning Effluent Treatment, and Chromium Ion Removalnone
dc.typearticle
dc.identifier.urnurn:nbn:de:kobv:11-110-18452/23742-1
dc.identifier.doihttp://dx.doi.org/10.18452/23080
dc.type.versionpublishedVersionnone
local.edoc.container-titleCatalystsnone
local.edoc.pages21none
local.edoc.type-nameZeitschriftenartikel
local.edoc.institutionMathematisch-Naturwissenschaftliche Fakultätnone
local.edoc.container-typeperiodical
local.edoc.container-type-nameZeitschrift
local.edoc.container-publisher-nameMDPInone
local.edoc.container-publisher-placeBaselnone
local.edoc.container-volume11none
local.edoc.container-issue7none
dc.description.versionPeer Reviewednone
local.edoc.container-articlenumber821none
dc.identifier.eissn2073-4344

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