Synthesis of green nanoparticles for energy, biomedical, environmental, agricultural, and food applications: A review

Environmental Chemistry Letters, Год журнала: 2024, Номер 22(2), С. 841 - 887

Опубликована: Янв. 20, 2024

Язык: Английский

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State-of-the-art review on photocatalysis for efficient wastewater treatment: Attractive approach in photocatalyst design and parameters affecting the photocatalytic degradation

Catalysis Communications, Год журнала: 2023, Номер 183, С. 106764 - 106764

Опубликована: Сен. 15, 2023

This review focuses on recently proposed photocatalyst designs for maximizing the efficiency of photogenerated charge carriers to improve photocatalytic performance photocatalysts. These include doping with metal and non-metal ions, surface grafting, noble deposition, dye sensitization, heterostructure fabrication. In addition, this thoroughly examines all prominent parameters that can influence degradation Furthermore, summarizes energy-band structures photocatalysts are suitable both O2 reduction oxidation H2O molecules generate reactive oxygen species. Lastly, we discuss future trends in development environmental applications.

Язык: Английский

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Green synthesized zinc oxide nanostructures and their applications in dye-sensitized solar cells and photocatalysis: A review

Materials Today Communications, Год журнала: 2023, Номер 36, С. 106840 - 106840

Опубликована: Авг. 1, 2023

Язык: Английский

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Valeriana jatamansi root extract a potent source for biosynthesis of silver nanoparticles and their biomedical applications, and photocatalytic decomposition

Green Chemistry Letters and Reviews, Год журнала: 2024, Номер 17(1)

Опубликована: Фев. 2, 2024

This study aimed to synthesize silver nanoparticles (VJ@AgNPs) using Valeriana jatamansi root extract and assess their antibacterial, antioxidant, antibiofilm properties against Escherichia coli, Staphylococcus aureus, Streptococcus mutans. Various chemical physical characterization methods were employed analyze the synthesized VJ@AgNPs. UV-Visible spectroscopy confirmed presence of VJ@AgNPs with a peak absorption at 426 nm, while FT-IR results indicated involvement phyto-compounds from V. in reduction stabilization these nanoparticles. High-resolution transmission electron microscopy revealed well-dispersed spherical nature an average size 29.1 ± 2.06 X-ray diffraction crystalline structure. The biosynthesized exhibited significant antibacterial activity all tested pathogens, substantial inhibition zones 50 100 μg/mL concentrations. Additionally, displayed potent antioxidant capacity scavenging assays. Furthermore, showed promise photocatalytic degradation, effectively removing 95% RhB dye within 75 minutes under solar light irradiation, following pseudo-first-order kinetics. suggests potential application wastewater treatment for organic removal. biocompatible environmentally friendly underscores as therapeutic agents bacterial infections oxidative stress-related diseases.

Язык: Английский

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Synthesis of Zinc Oxide Nanoparticles and Their Applications in Enhancing Plant Stress Resistance: A Review

Agronomy, Год журнала: 2023, Номер 13(12), С. 3060 - 3060

Опубликована: Дек. 14, 2023

Biotic and abiotic stress factors are pivotal considerations in agriculture due to their potential cause crop losses, food insecurity, economic repercussions. Zinc oxide nanoparticles (ZnO nanoparticles) have gained substantial attention from researchers worldwide for capacity alleviate the detrimental impacts of both biotic on plants, concurrently reducing dependence environmentally harmful chemicals. This article provides an overview methods synthesizing ZnO nanoparticles, encompassing physical vapor deposition, ball milling, hydrothermal methods, solvothermal precipitation microwave microbial synthesis, plant-mediated synthesis. Additionally, it delves into absorption, translocation, biotransformation pathways within plants. The emphasis lies elucidating safeguard plants against stress, enhance plant performance, modulate various processes. also offers a preliminary exploration mechanisms underlying tolerance mediated by nanoparticles. In conclusion, present friendly cost-effective strategy management, paving way integration nanotechnology sustainable agriculture. opens new possibilities leveraging bolster resilience ever-changing climate conditions, ensuring global security.

Язык: Английский

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Microwave-assisted hydrothermal synthesis of ZnO@ZrO2 nanohybrid for biomedical and photocatalytic applications

Colloids and Surfaces A Physicochemical and Engineering Aspects, Год журнала: 2024, Номер 688, С. 133574 - 133574

Опубликована: Фев. 24, 2024

Язык: Английский

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Construction of the Z-scheme Cu2O-Ag/AgBr heterostructures to enhance the visible-light-driven photocatalytic water disinfection and antibacterial performance

Journal of Alloys and Compounds, Год журнала: 2024, Номер 980, С. 173665 - 173665

Опубликована: Янв. 26, 2024

Язык: Английский

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Green-route synthesis of ZnO nanoparticles via Solanum surattense leaf extract: Characterization, biomedical applications and their ecotoxicity assessment of zebrafish embryo model

South African Journal of Botany, Год журнала: 2024, Номер 167, С. 643 - 662

Опубликована: Март 11, 2024

Язык: Английский

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Zeolite supported zinc oxide nanoparticles composite: Synthesis, characterization, and photocatalytic activity for methylene blue dye degradation

Desalination and Water Treatment, Год журнала: 2024, Номер 319, С. 100433 - 100433

Опубликована: Май 31, 2024

In the first stage of this study, zinc oxide nanoparticles (ZnO-NPs) were synthesized. The synthesized characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), transmission (TEM), selected area diffraction (SAED), and analyses (XRD). Subsequently, a composite material was obtained coating ZnO-NPs with zeolite from Rátka, Hungary. photocatalytic degradation using Hungarian in ZnO-Zeolite investigated. objective to evaluate efficacy degrading methylene blue (MB) under ultraviolet-visible (UV). It observed that materials influenced light source. rates showed 100 mg L-1 MB achieved highest photodegradation rate 96.70% when exposed sunlight for 210 min. These findings indicate 1:5 ratio has potential significantly increase activity, achieving high yield compared raw zeolite. last equilibrium, kinetic, thermodynamic studies carried out. maximum adsorption capacity calculated as qm=41.32 g-1. kinetic composite, best results Langmuir isotherm pseudo-second-order kinetics. A desorption study been conducted, it determined can be reused up 7 cycles.

Язык: Английский

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Green synthesized yttrium-doped ZnO nanoparticles: A multifaceted approach to mosquito control, antibacterial activity, cytotoxic properties of liver cancer cells, and photocatalytic properties

Inorganic Chemistry Communications, Год журнала: 2025, Номер 176, С. 114225 - 114225

Опубликована: Март 1, 2025

Язык: Английский

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