Baker’s Yeast-Mediated Silver Nanoparticles: Characterisation and Antimicrobial Biogenic Tool for Suppressing Pathogenic Microbes DOI
Salem S. Salem

BioNanoScience, Journal Year: 2022, Volume and Issue: 12(4), P. 1220 - 1229

Published: Aug. 18, 2022

Language: Английский

Green Synthesis of Zinc Oxide Nanoparticles (ZnO-NPs) Using Arthrospira platensis (Class: Cyanophyceae) and Evaluation of their Biomedical Activities DOI Creative Commons
Ehab F. El‐Belely, Mohamed M. S. Farag,

Hanan A. Said

et al.

Nanomaterials, Journal Year: 2021, Volume and Issue: 11(1), P. 95 - 95

Published: Jan. 4, 2021

In this study, zinc oxide nanoparticles (ZnO-NPs) were successfully fabricated through the harnessing of metabolites present in cell filtrate a newly isolated and identified microalga Arthrospira platensis (Class: Cyanophyceae). The formed ZnO-NPs characterized by UV–Vis spectroscopy, Fourier transform infrared (FT-IR), transmission electron microscopy (TEM), energy-dispersive spectroscopy (EDX), X-ray diffraction (XRD), photoelectron (XPS). Data showed efficacy cyanobacterial fabricating spherical, crystallographic with size ≈30.0 to 55.0 nm at wavelength 370 nm. Moreover, FT-IR analysis varied absorption peaks related nanoparticle formation. XPS confirms presence Zn(II)O different bending energies. analyses exhibit that activities biosynthesized dose-dependent. Their application as an antimicrobial agent was examined clear zones, 24.1 ± 0.3, 21.1 0.06, 19.1 19.9 0.1, 21.6 0.6 mm, 200 ppm against Bacillus subtilis, Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, Candida albicans, respectively, these reduced NPs concentration decreased. minimum inhibitory (MIC) values determined 50 for S. 25 P. 12.5 B. E. C. albicans. More interestingly, high vitro cytotoxic cancerous (Caco-2) (IC50 = 9.95 ppm) compared normal (WI38) line 53.34 ppm).

Language: Английский

Citations

288

Photocatalytic degradation of real textile and tannery effluent using biosynthesized magnesium oxide nanoparticles (MgO-NPs), heavy metal adsorption, phytotoxicity, and antimicrobial activity DOI
Amr Fouda, Saad El-Din Hassan, Ebrahim Saied

et al.

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

Published: March 21, 2021

Language: Английский

Citations

213

A Comprehensive Review of Nanomaterials: Types, Synthesis, Characterization, and Applications DOI Open Access
Salem S. Salem,

Eman Hammad,

Asem A. Mohamed

et al.

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

Citations

192

Harnessing Bacterial Endophytes for Promotion of Plant Growth and Biotechnological Applications: An Overview DOI Creative Commons
Ahmed M. Eid, Amr Fouda, Mohamed Ali Abdel‐Rahman

et al.

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

Citations

166

Biomedical Applications of Mycosynthesized Selenium Nanoparticles Using Penicillium expansum ATTC 36200 DOI
Amr H. Hashem, Ahmed Mohamed Aly Khalil, Ahmed Mohamed Reyad

et al.

Biological Trace Element Research, Journal Year: 2021, Volume and Issue: 199(10), P. 3998 - 4008

Published: Jan. 2, 2021

Language: Английский

Citations

141

Integration of Cotton Fabrics with Biosynthesized CuO Nanoparticles for Bactericidal Activity in the Terms of Their Cytotoxicity Assessment DOI
Tharwat I. Shaheen, Amr Fouda, Salem S. Salem

et al.

Industrial & Engineering Chemistry Research, Journal Year: 2021, Volume and Issue: 60(4), P. 1553 - 1563

Published: Jan. 19, 2021

Green biosynthesis of highly active materials for healthcare and hygiene products, such as medical textiles that allow us to wear comfortable clothes with potent protection elements, is in great demand nowadays, our surroundings have become infected dangerous microbes. Herein, CuO nanoparticles were biosynthesized successfully by exploiting the enzymes/proteins secreted fungi, consideration their cytotoxicity, production antibacterial textiles. The fungus, namely, Aspergillus terreus strain AF-1, was allowed secrete ingredients including enzymes protein needed cap formed CuO-NPs. Characterizations CuO-NPs performed order assign chemical physical properties yielded using Fourier transform infrared (FT-IR), X-ray diffraction (XRD), Raman spectra, transmission electron spectroscopy (TEM), energy dispersive photoelectron (XPS) spectroscopies. Cotton fabrics treated prior experiment investigate cytotoxicity estimate safe dose nanoparticles. At dose, treatment cotton performed, activities examined through a comparison before after treatment. Our findings affirmed role fungus capping spherical during formation sizes range 11–47 nm determined TEM. New functional particles attached on surface FT-IR, while crystallographic structure also confirmed XRD. XPS depicted clearly biosynthesize CuO-NPs, these results concordant FT-IR XRD results. As per results, at (100 μg/mL) and, turn, advocated plausible efficacy versus pathogenic bacteria.

Language: Английский

Citations

138

Rhizopus oryzae-Mediated Green Synthesis of Magnesium Oxide Nanoparticles (MgO-NPs): A Promising Tool for Antimicrobial, Mosquitocidal Action, and Tanning Effluent Treatment DOI Creative Commons
Saad El-Din Hassan, Amr Fouda, Ebrahim Saied

et al.

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

Citations

137

Potential of biosynthesized zinc oxide nanoparticles to control Fusarium wilt disease in eggplant (Solanum melongena) and promote plant growth DOI Creative Commons
Amer M. Abdelaziz, Salem S. Salem, Ahmed Mohamed Aly Khalil

et al.

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

Citations

133

Nano-biofertilizers as bio-emerging strategies for sustainable agriculture development: Potentiality and their limitations DOI
Barkha Sharma, Shalini Tiwari, Kailash Chand Kumawat

et al.

The Science of The Total Environment, Journal Year: 2022, Volume and Issue: 860, P. 160476 - 160476

Published: Nov. 24, 2022

Language: Английский

Citations

133

A mini review on green nanotechnology and its development in biological effects DOI Creative Commons
Salem S. Salem

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

Citations

133