A review on biogenic green synthesis of ZnO nanoparticles by plant biomass and their applications

Materials Today Communications, Journal Year: 2022, Volume and Issue: 33, P. 104747 - 104747

Published: Oct. 22, 2022

Nanobiotechnology has recently gained prominence as a fundamental branch of modern science and novel epoch in the field material researches. Due to wide range applications it attracts attention many scientists from all over world. Bionanomaterials are prepared using variety physical, chemical, biological techniques methods. Many different metal oxide nanoparticles reported be produced by systems, including bacteria, fungi, actinomycetes, yeasts, viruses, plants. Among them, biocompatible zinc (ZnO NPs), obtained through biosynthesis with aid plant-derived materials, appears highly successful way create fast, clean, non-toxic, environmentally friendly platform for production application these bionanomaterials. This review focuses on plant extract-derived ZnO NPs synthesis, special emphasis recent advances nanomaterials.

Language: Английский

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A review on the green synthesis of nanoparticles, their biological applications, and photocatalytic efficiency against environmental toxins

Environmental Science and Pollution Research, Journal Year: 2023, Volume and Issue: 30(27), P. 69796 - 69823

Published: May 12, 2023

Language: Английский

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Biomaterials and Encapsulation Techniques for Probiotics: Current Status and Future Prospects in Biomedical Applications

Nanomaterials, Journal Year: 2023, Volume and Issue: 13(15), P. 2185 - 2185

Published: July 27, 2023

Probiotics have garnered significant attention in recent years due to their potential advantages diverse biomedical applications, such as acting antimicrobial agents, aiding tissue repair, and treating diseases. These live bacteria must exist appropriate quantities precise locations exert beneficial effects. However, viability activity can be significantly impacted by the surrounding tissue, posing a challenge maintain stability target location for an extended duration. To counter this, researchers formulated various strategies that enhance of probiotics encapsulating them within biomaterials. This approach enables site-specific release, overcoming technical impediments encountered during processing application probiotics. A range materials utilized probiotics, several methods employed this encapsulation process. article reviews advancements encapsulated biomaterials, examining materials, methods, effects encapsulation. It also provides overview hurdles faced currently available biomaterial-based probiotic capsules suggests future research directions field. Despite progress achieved date, numerous challenges persist, necessity developing efficient, reproducible Furthermore, there is need design more robust targeted delivery vehicles.

Language: Английский

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A review on ZnO and its modifications for photocatalytic degradation of prominent textile effluents: Synthesis, mechanisms, and future directions

Journal of environmental chemical engineering, Journal Year: 2024, Volume and Issue: 12(3), P. 112553 - 112553

Published: March 22, 2024

Language: Английский

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Antibacterial and Anti-Inflammatory Properties of ZnO Nanoparticles Synthesized by a Green Method Using Sargassum Extracts

International Journal of Molecular Sciences, Journal Year: 2023, Volume and Issue: 24(2), P. 1474 - 1474

Published: Jan. 12, 2023

The present work shows the synthesis of ZnO nanoparticles through a green method, using sargassum extracts, which provide reducing and stabilizing compounds. conditions medium in reaction was carried out evaluated, that is, magnetic stirring, ultrasound assisted, resting condition. UV-Vis, FTIR spectroscopy, X-ray diffraction results confirmed with nanometric crystal size. scanning electron microscopy analysis showed morphology size particles depends on condition used. It obtained between 20 200 nm sample without agitation, while samples stirring were 80 100 nm, respectively. antibacterial activity against Gram-positive S. aureus Gram-negative P. aeruginosa. A quantitative performed by varying concentration nanoparticles. In all cases, Gram-positives greater than Gram-negatives. Ultrasound-assisted highest activity, around 99% 80% for aeruginosa, Similar study anti-inflammatory nanoparticles; ultrasound-assisted exhibited percentage (93%), even above shown diclofenac, used as reference. Therefore, synthesized extracts have properties can be safely efficiently field biomedicine.

Language: Английский

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Synthesis and Antimicrobial Applications of ZnO Nanostructures: A Review

ACS Applied Nano Materials, Journal Year: 2023, Volume and Issue: 6(13), P. 10881 - 10902

Published: June 21, 2023

ZnO nanostructures (ZnO NSs) are able to provide significant antimicrobial activity, ensuring high biocompatibility, good chemical stability, and low toxicity. Such versatility has led great success of this nanomaterial for antibacterial, antifungal, and, more recently, antiviral applications. However, methods the preparation NSs must be properly selected their end use. Moreover, can also cytotoxic some extent. In context, review emphasizes aspects relevant as well use NSs. particular, a brief overview sol–gel, hydrothermal, biogenic, electrochemical approaches proposed synthesis is presented, highlighting advantages/drawbacks each route in terms scalability, simplicity, efficacy. Next, application several fields reported. This followed by discussion role NSs, where mechanisms action, possible cell resistance, cytotoxicity highlighted. We discuss against different biothreats, such bacteria viruses. The future nanomaterials field addressed final part.

Language: Английский

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Photocatalytic and antibacterial activities of ZnO nanoparticles synthesized from Lupinus albus and Lupinus pilosus plant extracts via green synthesis approach

Inorganic Chemistry Communications, Journal Year: 2023, Volume and Issue: 155, P. 111124 - 111124

Published: July 24, 2023

Language: Английский

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Green synthesis of ZnO nanoparticles using the mangosteen (Garcinia mangostana L.) leaf extract: Comparative preliminary in vitro antibacterial study

Green Processing and Synthesis, Journal Year: 2024, Volume and Issue: 13(1)

Published: Jan. 1, 2024

Abstract In the realm of public health, rising threat caused by bacteria resistant to many drugs is a critical concern. this work, we used aqueous extract mangosteen leaves create zinc oxide (ZnO) nanoparticles (NPs) in an environmentally friendly manner. Through various analytical methods, thoroughly characterized these biogenic ZnO NPs, including UV−visible, Fourier transform infrared, X-ray photoelectron spectroscopy, Raman powder diffraction, field emission-scanning electron microscopy with energy dispersive and high resolution-transmission microscopy. NPs showed distinctive properties among different characterization techniques, small bandgap 2.80 eV, porous, minimum crystalline size 16.99 nm, average particle 14.21 spherical nanostructure. Additionally, performed preliminary antibacterial experiments assess copper (CuO) ZnO–CuO nanocomposites for activity. Interestingly, significant potential suppressing growth Staphylococcus aureus ATCC BAA-1026, Bacillus subtilis 6633, Escherichia coli 25922, Klebsiella pneumoniae 13883, decreasing order inhibitory concentrations: S. = B. (15.63 μg·mL −1 ) > E. (62.50 K. (125.00 ). These results highlight particularly as effective agents against multi-drug-resistant bacteria.

Language: Английский

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Photocatalytic and Antimicrobial Properties of ZnO and Mg-Doped ZnO Nanoparticles Synthesized Using Lupinus albus Leaf Extract

ACS Omega, Journal Year: 2024, Volume and Issue: 9(2), P. 2480 - 2490

Published: Jan. 1, 2024

Dye effluents discharged from various industries contribute to environmental contamination, making their treatment highly necessary. Infectious diseases also pose a threat public health worldwide. Nanomaterials have promising features and are potential candidates for overcoming the problems of drug resistance in microbes pollution. Therefore, this study aimed synthesize zinc oxide (ZnO) magnesium-doped (Mg-doped ZnO) nanoparticles (NPs) using plant extract Lupinus albus applications photocatalysis antimicrobial activity. A sample leaves was collected Motta, eastern Gojjam zone Ethiopia. The were air-dried then ground into powder. powdered material extracted distilled water. ZnO Mg-doped NPs synthesized 0.1 M Zn(NO3)2·6H2O, 7.5% Mg(NO3)2.6H2O, 10 mL leaf extract. characterized UV–vis, FT-IR, XRD, SEM. average crystallite sizes determined Debye–Scherrer formula found be 28.1 34.4 nm, respectively. activity evaluated against four bacterial strains (Escherichia coli, Bacillus cereus, Salmonella typhi, Staphylococcus aureus) one fungal strain (Candida albicans) by agar disk diffusion method. exhibited significant activity, with maximum inhibition measuring 24 22 mm Escherichia coli photocatalytic investigated studying degradation methylene blue (MB) dye under sunlight irradiation 120 min. results showed that higher (99.6%) than (94.1%). In conclusion, could serve as viable alternatives drugs photocatalysts mitigate pollution environment caused organic dyes.

Language: Английский

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Aloe vera assisted green synthesis of Ag and Cu co-doped ZnO nanoparticles and a comprehensive analysis of their structural, morphological, optical, electrical and antibacterial properties

Heliyon, Journal Year: 2024, Volume and Issue: 10(3), P. e25438 - e25438

Published: Jan. 27, 2024

This study investigates the potential of utilizing Aloe vera-assisted green synthesis with transition metal dopants Ag and Cu for greater efficiency sustainability in advanced scientific applications ZnO nanoparticles. Samples were prepared using co-precipitation method, maintaining a basic pH media 10. vera gel extract was chosen its acclaimed role as stabilizing reducing agent proven antioxidant, antibacterial, anticancer properties. The XRD report revealed hexagonal Wurtzite crystal structure nanoparticles, exhibiting crystallite size range 17–23 nm substantial alterations lattice parameters, dislocation density, bond lengths when added. Additionally, EDX analysis confirmed perfect doping without any impurities. SEM indicated reduction agglomeration, accompanied by particle morphology from columnar to globular. optical showed band gap 3.18–3.27 eV, confirming it be wide semiconductor. effect resulted an increase transparency gap, while decrease absorption coefficient visible wavelength region. With increasing temperature, decline electrical resistivity noted, co-doped nanoparticles consistently lowest resistivity, affirming semiconductor characteristics. Most importantly, A remarkable antibacterial efficacy noticed at low concentrations against gram-positive (Staphylococcus aureus) gram-negative (Escherichia coli) bacteria. zone inhibition produced exhibited values akin antibiotic control, even substantially lower doses. research offers comprehensive effects green-synthesized concurrently addressing their biomedical, energy storage, optoelectronic devices.

Language: Английский

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