A preliminary study of influence of zinc oxide nanoparticles on growth parameters of Brassica oleracea var italic

Awan, Sana Javaid; Shahzadi, Kiran; Javad, Sumera; Tariq, Amina; Ahmad, Asma; Ilyas, Sobia

doi:10.1016/j.jssas.2020.10.003

Cited by 58 publications

(49 citation statements)

References 31 publications

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“…It is well-known that bulk ZnO has a band gap of 3.37 eV [ 21 ], and the decrease in the band gap energy found here can be related to the presence of defect states caused by the botanical extracts, as well as by their influence on size control during nanoparticle formation [ 5 ]. Several studies have shown the potential use of different phytochemicals (e.g., flavonoids, tannins and polyphenolics, terpenoids, amines and ketones) obtained in botanical extracts to control the size and shape of different types of nanoparticles [ 22 , 23 ].…”

Section: Resultsmentioning

confidence: 99%

Sunlight Photocatalytic Performance of ZnO Nanoparticles Synthesized by Green Chemistry Using Different Botanical Extracts and Zinc Acetate as a Precursor

et al. 2021

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In this work, the assessment of Azadirachta indica, Tagetes erecta, Chrysanthemum morifolium, and Lentinula edodes extracts as catalysts for the green synthesis of zinc oxide nanoparticles (ZnO NPs) was performed. The photocatalytic properties of ZnO NPs were investigated by the photodegradation of methylene blue (MB) dye under sunlight irradiation. UV-visible (UV-Vis) spectroscopy, Fourier Transform Infrared (FTIR) spectroscopy, Transmission Electron Microscopy (TEM), X-ray Diffraction (XRD), Thermogravimetric (TGA), and Brunauer-Emmett-Teller analysis (BET) were used for the characterization of samples. The XRD results indicate that all synthesized nanoparticles have a hexagonal wurtzite crystalline structure, which was confirmed by TEM. Further, TEM analysis proved the formation of spherical and hemispherical nanoparticles of ZnO with a size in the range of 14–32 nm, which were found in aggregate shape; such a size was well below the size of the particles synthesized with no extract (~43 nm). ZnO NPs produced with Tagetes erecta and Lentinula edodes showed the best photocatalytic activity, matching with the maximum adsorbed MB molecules (45.41 and 58.73%, respectively). MB was completely degraded in 45 min using Tagetes erecta and 120 min using Lentinula edodes when subjected to solar irradiation.

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Section: Resultsmentioning

confidence: 99%

Sunlight Photocatalytic Performance of ZnO Nanoparticles Synthesized by Green Chemistry Using Different Botanical Extracts and Zinc Acetate as a Precursor

et al. 2021

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“…It is labelled because of its promising advancement in cloth technology. It is mastering specifically small in period subjects and applicable crossways all the generation areas like chemistry, biology, physics, cloth generation, and engineering [2]. Nano-sized oxide devices have expected wideranging interest manner to their well-known standard overall performance in optoelectronics and photonics.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Characterization, and Antibacterial Activity of ZnO Nanoparticles from Fresh Leaf Extracts of Apocynaceae, Carissa spinarum L. (Hagamsa)

Saka¹,

Jule²,

Gudata³

et al. 2022

Journal of Nanomaterials

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Biosynthesis of nanoparticles is a new way to produce nanoparticles by using bioorganic foundations. It is attainment care because it is cost-effective, eco-friendly, and comprehensive measure manufacture potentials. The application of leaf extract to depose nanoparticles has been taken as a green method. In this study (Carissa spinarum L.), leaf extracts were reserved for examining their possibility to prepare zinc oxide nanoparticles (ZnO NPs). Zinc acetate is used as the source of zinc; deposition temperature and time were 80 degree Celsius and 60 minutes, respectively. The characterization study was done by UV-Vis spectroscopy, X-ray diffraction (XRD), scanning electron microscope (SEM), and photoluminescence (PL). The surface plasmon resonance around 358 nm from the UV–Vis qualitative evaluation result represents the ZnO NPs formation. The crystalline shape of nanoparticles is disclosed inside the XRD result, morphology confirmed through SEM effects, and consequently, the ZnO NPs scale was predicted. We have given allotted the image-catalytic degradation of excitement dye at 365 nm in image reactor victimization ZnO NPs. This will be our preliminary strive at the Carissa spinarum L. extract on ZnO NPs guidance, and degradation reveals that ZnO NPs showcase clever image-catalytic belongings, and zinc oxide (ZnO) nanoparticles were created to be operative against Bacillus and Staphylococcus.

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“…The properties of metallic nanoparticles are because of occurrences called surfaceplasmonic resonance. The applications of metal nanoparticles includes the following: their contribution in the area of electricity as well as thermal conductors, sensors, optical and electrochemical detectors, antibacterial materials, super paramagnetic materials [4,5]. Mineral nanoparticles have numerous likely applications for medicinal imaging and illness cure, and they are used extensively for their diverse features, such as in elevation availability, good ecofriendliness, their skill in drug transmission, and governor of medication statement [6].…”

Section: Introductionmentioning

confidence: 99%

Green Synthesis and Characterizations of Zinc Oxide (ZnO) Nanoparticles Using Aqueous Leaf Extracts of Coffee (Coffea arabica) and Its Application in Environmental Toxicity Reduction

Saka¹,

Tesfaye²,

Shanmugam

et al. 2021

Journal of Nanomaterials

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A green deposition method of zinc oxide nanoparticles using coffee leaf extraction was successfully prepared. The use of these preparation techniques is accepted by many researchers because it is nonexpensive and simple and has no environmental impact during the operation. The determination and reduction of Zn ions to ZnO NPs were characterized by using a UV-visible spectroscope. The UV-visible spectroscopy result reveals that the large band gap energy is observed in the visible region at the wavelength of 300 nm. X-ray diffraction and SEM analysis confirm that the deposited nanoparticle is highly crystalline with (111), (222), and (100) planes and cubic shape structure. The coffee leaf extraction serves as a reducing agent for stability of the particle length, where its medicinal value outcome showed an important antibacteria of the pathogenic type which appeared on the wound. The present research deals with the green synthesis of ZnO NPs as well as its application in toxicity reduction.

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A preliminary study of influence of zinc oxide nanoparticles on growth parameters of Brassica oleracea var italic

Cited by 58 publications

References 31 publications

Sunlight Photocatalytic Performance of ZnO Nanoparticles Synthesized by Green Chemistry Using Different Botanical Extracts and Zinc Acetate as a Precursor

Sunlight Photocatalytic Performance of ZnO Nanoparticles Synthesized by Green Chemistry Using Different Botanical Extracts and Zinc Acetate as a Precursor

Synthesis, Characterization, and Antibacterial Activity of ZnO Nanoparticles from Fresh Leaf Extracts of Apocynaceae, Carissa spinarum L. (Hagamsa)

Green Synthesis and Characterizations of Zinc Oxide (ZnO) Nanoparticles Using Aqueous Leaf Extracts of Coffee (Coffea arabica) and Its Application in Environmental Toxicity Reduction

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