Facile synthesis of zinc oxide nanoparticle using algal extract and their antibacterial potential

Rabecca, R.; Doss, A.; Kensa, V. Mary; Iswarya, S.; Mukeshbabu, N.; Pole, R.P. Praveen; Iyappan, K.

doi:10.1007/s13399-022-03275-6

Cited by 8 publications

(7 citation statements)

References 44 publications

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“…ZnO nanoparticles have been obtained by chemical [ 11 ], physical [ 12 ] and biological methods [ 13 ]. It has been claimed that ZnO NPs can be successfully synthesized from natural sources, such as plants [ 14 , 15 , 16 ], fruits [ 17 , 18 , 19 ], and recently alga species [ 20 , 21 , 22 ]. The synergy between their size/morphology and positive surface potential can produce functional NPs with high antibacterial and anti-inflammatory features.…”

Section: Introductionmentioning

confidence: 99%

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

López-Miranda

Molina

González-Reyna

et al. 2023

IJMS

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

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Section: Introductionmentioning

confidence: 99%

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

López-Miranda

Molina

González-Reyna

et al. 2023

IJMS

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“…Peaks below 1,012 cm −1 indicated potential connections between monosaccharide molecules ( Faisal et al, 2021 ). For ZnO NPs, the broad peak at 3,432 cm −1 and the peak at 1,458 cm −1 are due to OH group stretching and amine (–NH) vibrational stretching in protein amide bonds, respectively ( Rabecca et al, 2022 ; Amor et al, 2023 ). The peaks at 1,110 cm −1 and 1,453 cm −1 denote the presence of alcohol and phenolic compounds, and C-N bond stretching vibrations in aromatic amines, respectively ( Kalaimurugan et al, 2022 ).…”

Section: Resultsmentioning

confidence: 99%

Exploring the potential of a Ephedra alata leaf extract: Phytochemical analysis, antioxidant activity, antibacterial properties, and green synthesis of ZnO nanoparticles for photocatalytic degradation of methylene blue

Zaater,

Serhoud,

Ben Amor

et al. 2024

Front. Chem.

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Ephedra alata leaf extracts have therapeutic properties and contain various natural compounds known as phytochemicals. This study assessed the phytochemical content and antioxidant effects of a Ephedra alata leaf extract, as well as zinc oxide (ZnO) nanoparticle production. The extract contained phenolic acids, including vanillic acid, chlorogenic acid, gallic acid, p-coumaric acid, vanillin and rutin. Its total phenolic content and total flavonoid content were 48.7 ± 0.9 mg.g-1 and 1.7 ± 0.4 mg.g-1, respectively. The extract displayed a DPPH inhibition rate of 70.5%, total antioxidant activity of 49.5 ± 3.4 mg.g-1, and significant antimicrobial activity toward Gram-positive and negative bacteria. The synthesized ZnO nanoparticles had spherical shape, crystallite size of 25 nm, particle size between 5 and 30 nm, and bandgap energy of 3.3 eV. In specific conditions (90 min contact time, pH 7, and 25°C), these nanoparticles efficiently photodegraded 87% of methylene blue, suggesting potential applications for sustainable water treatment and pollution control.

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“…Similarly, the impact of two different seaweed‐based extracts on the preparation of ZnO NPs and their physicochemical properties have been reported. [ 60 ] The seaweeds Halymenia venusta and Hypnea pannosa were used in this study to produce ZnO NPs by reacting their extracts with zinc acetate dehydrate. In addition, ZnO NPs prepared from Hypnea pannosa extract had a cube‐shaped morphology and a size of around 200 nm.…”

Section: Green Synthesis Methods Characterizations and Mechanismsmentioning

confidence: 99%

“…However, Halymenia venusta mediated synthesis of ZnO NPs exhibited a flake-shaped structure having a size of 200-300 nm. [60] In a recent study reported by Elrefaey et al, the brown marine alga Cystoseira crinita extract was used to prepare ZnO NPs using zinc sulfate as a precursor following the extracellular route and by adjusting pH 6.5 by means of NaOH, wherein the reaction was carried out at 45 C. [61] The size of the prepared ZnO NPs was analyzed through TEM micrographs exploring the formation of multilayered rectangular particles in the range of 23 nm to 140 nm, whereas the mean diameter determined by the DLS method was 36.2 nm. Similarly, an extract of the cyanobacterium Nostoc sp.…”

Section: Properties Of Zinc Oxide Nanostructuresmentioning

confidence: 99%

A review on biological synthesis of ZnO nanostructures and its application in photocatalysis mediated dye degradation: An overview

Areeshi

2023

Luminescence

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Zinc oxide (ZnO) has several industrial applications due to its versatile properties, which lead to its continuously increasing demand in different industrial sectors. Additionally, ZnO nanostructures possess unique photocatalytic activity, and because of this, they are being applied to degrade organic dyes through photocatalysis for wastewater treatment. Nevertheless, chemical synthesis methods to develop ZnO nanostructures have raised concerns related to environmental issues, furthermore, these methods are found to be costly and tedious. As a result, the synthesis of ZnO nanostructures using green methods is gaining popularity due to its low cost and eco‐friendly mode, while avoiding the use of toxic chemicals. Green synthesis of ZnO nanostructures using different biological approaches involving plants, algae, and different microorganism‐derived bioactive compounds has been well reported for diverse applications. Among different applications, ZnO nanostructures that enable photocatalysis to degrade dye have been found to be imperative for wastewater treatments. Therefore, the current review explores recent studies on green synthesis approaches to prepare ZnO nanostructures via adopting different biological methods that rely on plants, algae, and bacterial microorganisms. The properties of ZnO nanostructures, along with their green synthesis routes and feasible mechanisms, have also been discussed in this review. This review focuses on the use and efficiency of green route synthesized ZnO nanostructures as nanophotocatalysts for the degradation of organic dyes in wastewater treatment. Additionally, existing challenges in green synthesis methods and the efficiency of ZnO nanostructures to degrade organic dyes following photocatalysis has been discussed.

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Facile synthesis of zinc oxide nanoparticle using algal extract and their antibacterial potential

Cited by 8 publications

References 44 publications

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

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

Exploring the potential of a Ephedra alata leaf extract: Phytochemical analysis, antioxidant activity, antibacterial properties, and green synthesis of ZnO nanoparticles for photocatalytic degradation of methylene blue

A review on biological synthesis of ZnO nanostructures and its application in photocatalysis mediated dye degradation: An overview

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