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Journal articles on the topic 'ZnO Nanoparticle'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Jamnongkan, Tongsai, Sathish K. Sukumaran, Masataka Sugimoto, Tomijiro Hara, Yumiko Takatsuka, and Kiyohito Koyama. "Towards novel wound dressings: antibacterial properties of zinc oxide nanoparticles and electrospun fiber mats of zinc oxide nanoparticle/poly(vinyl alcohol) hybrids." Journal of Polymer Engineering 35, no. 6 (2015): 575–86. http://dx.doi.org/10.1515/polyeng-2014-0319.

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Abstract Zinc oxide (ZnO) nanoparticles possess antibacterial properties. Being less toxic to humans than silver, they are attractive as antibacterial agents in biomedical applications. In this study, we focus on the influence of the size of ZnO nanoparticles on their antibacterial action against strains of three bacteria: one Gram-negative, Escherichia coli and two Gram-positive, Bacillus subtilis and Staphylococcus aureus. The antibacterial efficacy of the nanoparticles increases with decreasing particle size. A major contributor to antibacterial action is the oxidative stress induced by the

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2

Branica, Gina, Marin Mladinić, Dario Omanović, and Davor Želježić. "An alternative approach to studying the effects of ZnO nanoparticles in cultured human lymphocytes: combining electrochemistry and genotoxicity tests." Archives of Industrial Hygiene and Toxicology 67, no. 4 (2016): 277–88. http://dx.doi.org/10.1515/aiht-2016-67-2910.

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Abstract Nanoparticle use has increased radically raising concern about possible adverse effects in humans. Zinc oxide nanoparticles (ZnO NPs) are among the most common nanomaterials in consumer and medical products. Several studies indicate problems with their safe use. The aim of our study was to see at which levels ZnO NPs start to produce adverse cytogenetic effects in human lymphocytes as an early attempt toward establishing safety limits for ZnO NP exposure in humans. We assessed the genotoxic effects of low ZnO NP concentrations (1.0, 2.5, 5, and 7.5 μg mL-1) in lymphocyte cultures over

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3

Kaur, Narinder, Sanjeev K. Sharma, Deuk Young Kim, Hemant Sharma, and Narinder Singh. "Synthesis of Imine-Bearing ZnO Nanoparticle Thin Films and Characterization of Their Structural, Morphological and Optical Properties." Journal of Nanoscience and Nanotechnology 15, no. 10 (2015): 8114–19. http://dx.doi.org/10.1166/jnn.2015.11238.

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We are presenting the first report on the fabrication of imine-bearing ZnO nanoparticle thin films grown on Corning glass by spin coating. The sol was prepared by dissolving imine-bearing ZnO nanoparticles in dimethylsulfoxide (DMSO). The thickness of the films was manipulated to be 125–200 nm. The X-ray diffraction (XRD) analysis showed hexagonal wurtzite structure of imine-bearing ZnO nanoparticles thin films with a (002) preferential orientation. The stretching of chemical bonds of the imine linkage and Zn–O in imine-bearing ZnO nanoparticle thin films was confirmed by fourier transform inf

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4

Shang, Jian, Ye Sun, Teng Zhang, Zhen Liu, and Hong Zhang. "Enhanced Antibacterial Activity of Ag Nanoparticle-Decorated ZnO Nanorod Arrays." Journal of Nanomaterials 2019 (April 30, 2019): 1–7. http://dx.doi.org/10.1155/2019/3281802.

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Silver (Ag) has broad-spectrum antibacterial properties and is widely used in various fields, including in antibacterial coatings for orthopedic implants. For reasons of cost and cytotoxicity, improvement of the antibacterial efficiency of Ag is necessary. The scientific community has also shown a strong enthusiasm in this research area. In this paper, ZnO nanorod arrays were prepared on a titanium (Ti) substrate by seed-assisted hydrothermal method and Ag nanoparticles were deposited by magnetron sputtering to obtain Ag nanoparticle-decorated ZnO nanorod arrays (ZnO nanorods/Ag nanoparticles)

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5

Choudhary, Tripta, Vikas Beniwal, Pooja Nehra, and Deepak Singhwal. "Photocatalytic Treatment of MB Dye Using ZnO Nanoparticles." ECS Transactions 107, no. 1 (2022): 16213–21. http://dx.doi.org/10.1149/10701.16213ecst.

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The present study revealed the synthesis of zinc oxide nanoparticles by wet chemical co-precipitation process and were characterized by X-Ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), UV-Vis spectroscopy, and photocatalysis for Methylene Blue (MB) dye degradation. The crystallite size of the ZnO nanoparticles calculated from XRD using Debye Scherrer Formula is 36.27 nm. The size variation of the ZnO nanoparticles is due to the difference in annealing temperature and precursors. The FTIR spectra confirms the formation of ZnO nanoparticle. From UV-Vis spectra of ZnO nano

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6

Ren, Xinyue, Yien Du, Xinji Qu, et al. "Controllable Synthesis of ZnO Nanoparticles with Improved Photocatalytic Performance for the Degradation of Rhodamine B under Ultraviolet Light Irradiation." Molecules 28, no. 13 (2023): 5135. http://dx.doi.org/10.3390/molecules28135135.

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In this work, two-dimensional (2D) Zn-HMT (Zn(NO3)2(HMT)2(H2O)2]n) nanosheets were synthesized using a facile one-step chemical precipitation in the presence of Zn(NO3)2, hexamine (HMT), and anhydrous ethanol at room temperature. Subsequently, hexagonal Tx-ZnO (Tx-ZnO refers to the zinc oxide (ZnO) nanoparticles) were synthesized by a high-temperature solid-phase method at different temperatures (x = 500, 550, 600, 650, 700, 750, and 800 °C) nanoparticles with different morphologies were synthesized by a high-temperature calcination approach using 2D Zn-HMT nanosheets as precursor. The crystal

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7

Chang, Sheng-Po, and Kuan-Yu Chen. "UV Illumination Room-Temperature ZnO Nanoparticle Ethanol Gas Sensors." ISRN Nanotechnology 2012 (April 23, 2012): 1–5. http://dx.doi.org/10.5402/2012/453517.

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Zinc oxide (ZnO) nanoparticle gas sensor was formed by spin coating. We annealed the film at 400, 600, and 800°C for 1 hour in air to make gas sensor. The responses of gas sensor to ethanol with UV light illumination were investigated. It could be observed that the ZnO nanoparticle film annealing at 800°C has the highest sensitivity. It can be attributed to the defects of ZnO nanoparticle film annealing at 800°C much more than other annealing temperatures. The study shows that the ZnO nanoparticles have potential applications as RT ethanol sensors.

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8

Pourmohammad, Pirouz, Reza Alipanah-Moghadam, Ali Nemati, Vadoud Malekzadeh, and Yavar Mahmoodzadeh. "Comparison of the effects of zinc oxide and zinc oxide nanoparticles on the expression of hepcidin gene in rat liver." Hormone Molecular Biology and Clinical Investigation 42, no. 1 (2020): 43–48. http://dx.doi.org/10.1515/hmbci-2020-0038.

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Abstract Objectives Nanoparticles have special properties, such as increased intestinal absorption, permeability, and so on. Zinc oxide (ZnO) nanoparticles have medical applications such as using in drug production. Studies of ZnO nanoparticles have shown the role of these particles in reducing or increasing the genes expression. Given the important role of hepcidin in the development of anemia and iron overload diseases, this study investigated the effect of ZnO nanoparticles on the hepatic expression of the hepcidin gene to help find a way to treat these diseases. Methods In this experimenta

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9

Che Mohamed Hussein, Siti Nurliyana, Aqilah Dollah, Mohamad Firdaus Mohamad Salleh, Nur Hidayati Othman, Azzah Nazihah Che Abdul Rahim, and Nur Shuhadah Japperi. "Synthesis of ZnO Nanoparticles for Wax Deposition Control and Oil Upgrading: Effect of Ratio of Zinc Acetate Dihydrate to Oxalic Acid Dihydrate." Key Engineering Materials 797 (March 2019): 411–20. http://dx.doi.org/10.4028/www.scientific.net/kem.797.411.

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In the current paper, fundamental aspects of heavy oil and wax deposition problems are defined. Wax or in another term is cloud point occur when the oil starts to precipitate. When it’s started to precipitate, it can cause major problem to industry of oil and gas. In this study, ZnO nanoparticles were chosen to study the effect of varying molar ratio from 1:1, 1:2, 1:3 to the morphology and size of the nanoparticle. The structures and properties were recognized with energy dispersive X-ray (EDX), field emission scanning electron microscopy (FE-SEM), and X-ray diffraction (XRD) methods. EDX and

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10

Chang, S. P. "Room-Temperature ZnO Nanoparticle Ethanol Gas Sensors under UV Illumination." Advanced Materials Research 486 (March 2012): 39–43. http://dx.doi.org/10.4028/www.scientific.net/amr.486.39.

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A zinc oxide (ZnO) nanoparticle gas sensor was formed by spin coating. We annealed the film at 400, 600, and 800°C for 1 h in air to create a gas sensor. The responses of the gas sensor to ethanol under UV light illumination were investigated. We found that the ZnO nanoparticle film annealed at 800°C had the highest sensitivity. This can be attributed to the fact that the defects of ZnO nanoparticle film annealed at 800°C are considerably more than those for the film annealed at other temperatures. This study demonstrates that ZnO nanoparticles have potential applications as room-temperature e

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11

Sharma, A., P. Kumar, and S. P. Mahapatra. "Synthesis, Characterization, Dielectric, and Electrical Conductivity Studies of Zinc Oxide Nanoparticles." IOP Conference Series: Materials Science and Engineering 1300, no. 1 (2024): 012025. http://dx.doi.org/10.1088/1757-899x/1300/1/012025.

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Abstract A co-precipitation technique is used to synthesize of ZnO nanoparticles. The synthesized ZnO nanoparticles were characterized by UV-visible spectroscopy, scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HR-TEM), photoluminescence, Fourier-Transform Infrared Spectroscopy (FTIR), and X-ray diffraction (XRD). The size of the nanoparticles was wide-ranging from 1 nm to 100 nm, corresponding to the HR-TEM analysis. The photoluminescence study of ZnO nanoparticle shows emission in the UV region. The particle dimension of ZnO nanoparticle has also been st

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12

Charipar, Kristin, Heungsoo Kim, Alberto Piqué, and Nicholas Charipar. "ZnO Nanoparticle/Graphene Hybrid Photodetectors via Laser Fragmentation in Liquid." Nanomaterials 10, no. 9 (2020): 1648. http://dx.doi.org/10.3390/nano10091648.

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By combining the enhanced photosensitive properties of zinc oxide nanoparticles and the excellent transport characteristics of graphene, UV-sensitive, solar-blind hybrid optoelectronic devices have been demonstrated. These hybrid devices offer high responsivity and gain, making them well suited for photodetector applications. Here, we report a hybrid ZnO nanoparticle/graphene phototransistor that exhibits a responsivity up to 4 × 104 AW−1 and gain of up to 1.3 × 105 with high UV wavelength selectivity. ZnO nanoparticles were synthesized by pulsed laser fragmentation in liquid to attain a simpl

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13

Kumar, Avishek, Ahmed Al-Jumaili, Kateryna Bazaka, Peter Mulvey, Jeffrey Warner, and Mohan V. Jacob. "In-Situ Surface Modification of Terpinen-4-ol Plasma Polymers for Increased Antibacterial Activity." Materials 13, no. 3 (2020): 586. http://dx.doi.org/10.3390/ma13030586.

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Surface modification of thin films is often performed to enhance their properties. In this work, in situ modification of Terpinen-4-ol (T4) plasma polymer is carried out via simultaneous surface functionalization and nanoparticle immobilization. Terpinen-4-ol plasma polymers surface were decorated with a layer of ZnO nanoparticles in an oxygen plasma environment immediately after polymer deposition. A combination of hydrophilic modification and ZnO nanoparticle functionalization of the T4 polymer surface led to an enhancement in antibacterial properties by factor of 3 (from 0.75 to 0.25 CFU.mm

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Bakhori, Siti Khadijah Mohd, Shahrom Mahmud, and Siti Nasuha Hamzah. "Minimum Inhibition Concentration of surface-modified ZnO nanostructures on Streptococcus mutans." Journal of Physics: Conference Series 2411, no. 1 (2022): 012014. http://dx.doi.org/10.1088/1742-6596/2411/1/012014.

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Abstract In this study, minimum inhibition concentration (MIC) and minimum bactericidal concentration (MBC) were estimated for three types of zinc oxide (ZnO) nanoparticles on a Gram-positive bacterial species: Streptococcus mutans. The structural properties of these nanoparticles, designated as ZnO-A, ZnO-K, and ZnO-Ax, were characterized using the techniques of field-emission scanning electron microscopy, X-ray diffraction, and photoluminescence spectroscopy. Both MIC and MBC were evaluated using a series of dilutions (serial dilution) in a 96-microtiter plate following the standard method C

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15

Karnan R., Velavan S., Mariappan P., and Sukumaran M. "Evaluation of Insecticidal Activity of Zoochemical-Assisted Zinc Oxide Nanoparticle Using Marine Invertebrate Hyattella intestinalis (Lamarck, 1814)." UTTAR PRADESH JOURNAL OF ZOOLOGY 44, no. 21 (2023): 31–39. http://dx.doi.org/10.56557/upjoz/2023/v44i213665.

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The term “zoochemicals” refers to animal chemical compounds, including secondary metabolites. Secondary metabolites are not only synthesised by plants and microorganisms, but animals are also naturally provided with valuable secondary metabolites, which are to be coined “Zoochemicals.” In the present study, we aim to introduce the zoological term “zoochemical-assisted zinc oxide nanoparticle synthesis” using zoochemicals from the marine sponge Hyattella intestinalis and record marine invertebrates’ zoochemicals as an important source of nanoparticle synthesis. In this terminology zoologically

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Thakur, Shaila, Sudarsan Neogi, and Ajay K. Ray. "Morphology-Controlled Synthesis of ZnO Nanostructures for Caffeine Degradation and Escherichia coli Inactivation in Water." Catalysts 11, no. 1 (2021): 63. http://dx.doi.org/10.3390/catal11010063.

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Photocatalytic and antibacterial activity of nanoparticles are strongly governed by their morphology. By varying the type of solvent used, one can obtain different shapes of ZnO nanoparticles and tune the amount of reactive oxygen species (ROS) and metal ion (Zn2+) generation, which in turn dictates their activity. ZnO nanostructures were fabricated via facile wet chemical method by varying the type of solvents. Solar light assisted photocatalytic degradation of caffeine and antibacterial activity against E. coli were examined in presence ZnO nanostructures. In addition to an elaborate nanopar

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17

Pintilie, Stefan Catalin, Laurentia Geanina Tiron, Iulian Gabriel Birsan, Daniel Ganea, and Stefan Balta. "Influence of ZnO Nanoparticle Size and Concentration on the Polysulfone Membrane Performance." Materiale Plastice 54, no. 2 (2017): 257–61. http://dx.doi.org/10.37358/mp.17.2.4828.

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The activity of using membrane technology has developed fast in the treatment of wastewater, drinking water and process water production. The main challenges in membrane filtration are fouling reduction, permeability increase and high efficiency in retention. The best example of membrane enhancement is increasing hydrophilicity. Nanoparticles have been proven that their presence in the membrane matrix increases the water affinity significantly. Although the zinc oxide nanoparticles have a positive effect over the membrane performance, the influence of zinc oxide (ZnO) nanoparticle size has not

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Srinisha M, Rajeshkumar S, Lakshmi T, and Anitha Roy. "Amla fruit mediated synthesis of zinc oxide nanoparticles and its antifungal activity." International Journal of Research in Pharmaceutical Sciences 10, no. 4 (2019): 2826–29. http://dx.doi.org/10.26452/ijrps.v10i4.1554.

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To study the antifungal activity of ZnO nanoparticles synthesised from amla fruit. Nanotechnology has offered great possibilities in various fields of science and technology. It has been playing a crucial role in the development of modern materials in recent years. The antifungal activity of ZnO occurs by the deformation of fungal hyphae leading to the death of fungal hyphae, which may lead to cellular destruction. Preparation of plant extract, Synthesis of nanoparticles, Characteristics of nanoparticles, Preparation of nanoparticles powder, Antifungal activity of nanoparticles against Candida

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Sari, Lusi Mustika, Yetria Rilda, and Armaini. "Biosynthesis of ZnO Nanoparticles Using Spirulina platensis Based on Calcination Temperature Changes and Its Antioxidant Activity." Chemical Science International Journal 32, no. 4 (2023): 1–8. http://dx.doi.org/10.9734/csji/2023/v32i4850.

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The effect of different calcination temperatures on molecular structure, morphology, and antioxidant activity was investigated for Zinc Oxide nanoparticles synthesized using the sol-gel method and the capping agent Spirulina platensis. The prepared nanoparticle ZnO was calcined at 160°C, 300°C, and 600°C according to the results of the DTA-TGA analysis. The effect of different calcination temperatures on the characterization of the prepared samples was studied using Fourier Transform Infrared (FTIR), X-ray Diffraction (XRD), and Field Emission-Scanning Electron Microscope (FE-SEM). In addition

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20

Chen, Xiao-jun, Zhi-yuan Meng, Ya-jun Ren, Hao-tian Gu, and Chun-liang Lu. "Effects of ZnO Nanoparticle on Photo-Protection and Insecticidal Synergism of Rotenone." Journal of Agricultural Science 8, no. 2 (2016): 38. http://dx.doi.org/10.5539/jas.v8n2p38.

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<p>Rotenone has an effective insecticidal activity. However, the photodegradation of rotenone under sunlight or UV (ultraviolet light) leads to negative effects on its insecticidal activity and persistence. This study examined the photo-protection of rotenone when exposed to UV combinated with various nanoparticles. The remaining concentration of rotenone was analyzed by LC-MS/MS (liquid chromatography-triple quadrupole tandem mass spectrometry) at particular intervals. It indicated that various nanoparticles had different effects and combination with ZnO nanoparticle provided remarkable

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Shnain, Zainab Yousif, Manal Afham Toma, Basheer A. Abdulhussein, et al. "The Effect of Solvent-Modification on the Physicochemical Properties of ZnO Nanoparticles Synthesized by Sol-Gel Method." Bulletin of Chemical Reaction Engineering & Catalysis 17, no. 1 (2021): 46–52. http://dx.doi.org/10.9767/bcrec.17.1.12345.46-52.

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This study investigated the solvent effect on the synthesis of Zinc Oxide (ZnO) nanoparticle using sol-gel method. Zinc acetate dihydrate and oxalic acid were used as a chemical precursor for the synthesis of the ZnO nanoparticle considering the effects of various solvents. The effect of using water, propanol, or ethanol as solvent during the synthesis were examined. The resultant gel in the aqueous and organic moderate solvent was thermally cracked into ZnO nanoparticles at 450 °C under atmospheric pressure. The results showed that the solvent type has a significant effect on the morphology a

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Sharma, Neha, and Sanjayay Kumar. "Effect of Ag Doping on Properties of Al–Doped ZnO Nanoparticles Varies as Zn1-X-YAgxALYO." Material Science Research India 14, no. 2 (2017): 146–52. http://dx.doi.org/10.13005/msri/140210.

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In present study, undoped ZnO, Zn0.8Ag0.2O, Zn0.8Al0.2O and Zn0.6Al0.2Ag0.2O samples are synthesized by simple solution method. X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray spectroscopy (EDX) and UV-visible (UV-Vis) spectroscopy are used to perform the characterization of undoped, doped and codoped samples. XRD analysis is exposed that hexagonal wurtzite crystalline structure obtained for undoped, doped and codoped samples without any extra representation of impurity phases. The crystalline size is when evaluated by using Scherrer, It has 44, 49, 41and 3

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23

Wang, Ji Fen, Hua Qing Xie, Zhong Xin, Yang Li, and Jing Li. "Thermal Properties of Composites Containing Metal Oxide Nanoparticles." Materials Science Forum 694 (July 2011): 146–49. http://dx.doi.org/10.4028/www.scientific.net/msf.694.146.

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We prepared a series of paraffin wax (PW) based phase change composite containing ZnO, Al2O3 and Fe2O3 nanoparticles, respectively. DSC results showed that there is a decrease trend in phase change latent heat capacity (Ls) with an increase of metal oxide nanoparticle loadings. ZnO/PW has higher Ls than those of Fe2O3/PW and Al2O3/PW with same metal oxide nanoparticle loadings. Transient short-hot-wire (SHW) method was used to measure thermal conductivity of these composites. The results showed that nanoparticle addition leads to substantial enhancement in the thermal conductivity of the compo

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Kuriakose, Sini, Vandana Choudhary, Biswarup Satpati, and Satyabrata Mohapatra. "Enhanced photocatalytic activity of Ag–ZnO hybrid plasmonic nanostructures prepared by a facile wet chemical method." Beilstein Journal of Nanotechnology 5 (May 15, 2014): 639–50. http://dx.doi.org/10.3762/bjnano.5.75.

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We report the synthesis of Ag–ZnO hybrid plasmonic nanostructures with enhanced photocatalytic activity by a facile wet-chemical method. The structural, optical, plasmonic and photocatalytic properties of the Ag–ZnO hybrid nanostructures were studied by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), photoluminescence (PL) and UV–visible absorption spectroscopy. The effects of citrate concentration and Ag nanoparticle loading on the photocatalytic activity of Ag–ZnO hybrid nanostructures towards sun-light driven degradation

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Krishnasamy, Elavarasan, Saranraj Iyyanar, Vinayagamoorthy Munusamy, Priya SD, Mohammed H. Fallah, and Karanpal Singh. "Study on the effect of ZnO nanoparticles embedded ramie fiber reinforced epoxy matrix composite – A novel material for sustainable development." E3S Web of Conferences 588 (2024): 01017. http://dx.doi.org/10.1051/e3sconf/202458801017.

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This study explores the potential of Zinc Oxide (ZnO) nanoparticles as fillers in ramie fiber reinforced epoxy composites to develop materials that align with sustainable development goals. We systematically varied the ZnO nanoparticle content across three distinct samples are 5g, 10g, and 15g to investigate their effects on the mechanical and thermal properties of the composites. Mechanical testing included tensile, flexural, and impact strength assessments, while thermal stability was evaluated through thermal analysis. Additionally, Scanning Electron Microscopy (SEM) was employed to analyze

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Seo, Dong Un, Cheng Zhu Lu, Ho Jung Chang, and Sang Woo Joo. "Quenching of Growth of Zinc Oxide Nanoparticles by Adsorption of Organic Stabilizers." Materials Science Forum 449-452 (March 2004): 1133–36. http://dx.doi.org/10.4028/www.scientific.net/msf.449-452.1133.

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We examined quenching of growth of ZnO nanoparticles with the injection of various organic surfactants. Aliphatic isocyanides as well as organothiols were found to adsorb on ZnO nanoparticle surfaces. For a carboxylate-terminated thiol, a retardation of growth appeared to be effective presumably due to the adsorption of the carboxylate COO- group on the ZnO surface. Photoluminescence spectra and transmission electron microscopy images were obtained for thiolcapped ZnO nanoparticles. The thiol-capped ZnO nanoparticles was found to fluoresce at the wavelength shorter by ~6 nm than those in the a

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R, Aswathy, Gabylis B, Anwesha S, and Bhaskara Rao Kv. "GREEN SYNTHESIS AND CHARACTERIZATION OF MARINE YEAST-MEDIATED SILVER AND ZINC OXIDE NANOPARTICLES AND ASSESSMENT OF THEIR ANTIOXIDANT ACTIVITY." Asian Journal of Pharmaceutical and Clinical Research 10, no. 10 (2017): 235. http://dx.doi.org/10.22159/ajpcr.2017.v10i10.19979.

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Objective: The present study focuses on the synthesis of silver and zinc oxide (ZnO) nanoparticles from marine yeasts, isolated from the sediments of the Bay of Bengal, Bakkhali coast, West Bengal, and India.Methods: The marine sediment samples were diluted through serial diution and cultured onto yeast malt agar medium by the spread plate method. The selected yeast isolates were screened for the biosynthesis of silver and ZnO nanoparticles. Characterization of both the nanoparticles was done by applying ultraviolet (UV)-visible spectroscopy, atomic force microscopy, scanning electron microsco

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Hu, Ya Wei, Hui Rong He, Xia Kong, and Yang Min Ma. "Synthesis and Antibacterial Activities of Ag/ZnO Nanoparticles." Key Engineering Materials 697 (July 2016): 714–17. http://dx.doi.org/10.4028/www.scientific.net/kem.697.714.

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Ag/ZnO nanoparticles with different Ag concentrations were fabricated through sol-gel method under 500 °C for 60 min with a heating rate 5 °C·min-1. The phase, the crystallographic structure and the surface topography of the Ag/ZnO nanoparticles were charactered by XRD and SEM. The antibacterial activities of the Ag/ZnO nanoparticles were performed by disc diffusion method. The results indicate that the as-prepared Ag/ZnO nanoparticles display great antibacterial activity than ZnO nanoparticle without Ag doping. And Ag/ZnO nanoparticles with 5 mol% Ag concentration show more excellent antibact

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Scherzad, Agmal, Till Meyer, Norbert Kleinsasser, and Stephan Hackenberg. "Molecular Mechanisms of Zinc Oxide Nanoparticle-Induced Genotoxicity." Materials 10, no. 12 (2017): 1427. http://dx.doi.org/10.3390/ma10121427.

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Background: Zinc oxide nanoparticles (ZnO NPs) are among the most frequently applied nanomaterials in consumer products. Evidence exists regarding the cytotoxic effects of ZnO NPs in mammalian cells; however, knowledge about the potential genotoxicity of ZnO NPs is rare, and results presented in the current literature are inconsistent. Objectives: The aim of this review is to summarize the existing data regarding the DNA damage that ZnO NPs induce, and focus on the possible molecular mechanisms underlying genotoxic events. Methods: Electronic literature databases were systematically searched f

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Christy, J. J. A., S. B. Begum, M. Revathy, B. R. Harisma, and R. M. Murugappan. "Antimicrobial and anti-inflammatory efficiency of green synthesized zinc oxide nanoparticles using Polianthes tuberosa flower concentrate." Journal of Environmental Biology 45, no. 3 (2024): 243–52. http://dx.doi.org/10.22438/jeb/45/3/mrn-5218.

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Aim: In the present study, zinc oxide nanoparticles (ZnO NPs) were synthesized using Polianthes tuberosa flower concentrate. Antimicrobial and anti-inflammatory efficiency of the green synthesized ZnO NPs were analysed under in vitro conditions. Methodology: Nanoparticles formation was confirmed by UV-visible spectroscopy. Size, shape and morphology of the green synthesized ZnO NPs was determined by SEM coupled with EDAX and AFM. Molecular and elemental compositions of the nanoparticle were determined by XRD and FT-IR analyses. Results: X-ray diffraction analysis depicted the hexagonal wurtzit

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Rusli, Rolan, Ganjar Firmansyah, Rosniar Rosniar, and Restu Harisma Damayanti. "Optimasi Sintesis Nanopartikel ZnO dengan Metode Hidrotermal." Jurnal Sains dan Kesehatan 6, no. 1 (2024): 116–24. http://dx.doi.org/10.25026/jsk.v6i1.1529.

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ZnO is an inorganic material that has many benefits, one of which is in the pharmaceutical field. So far, the synthesis of inorganic materials has been carried out using high temperatures. Research was carried out to synthesize ZnO using hydrothermal at 180°C for 24 hours then burned at temperatures of 300, 600, and 900°C for 6 hours. The compound resulting from synthesis at 180°C was obtained by the compound [Zn(urea)3](NO3)2 which decomposed into ZnO nanoparticle compounds at 300°C to 900°C. ZnO synthesized at temperatures of 300, 600, and 900°C has a hexagonal structure, space group P63/m w

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Ahmed, Razu, Md Kamal Uddin, Md Abdul Quddus, Mohd Yusoff Abd Samad, M. A. Motalib Hossain, and Ahmad Numery Ashfaqul Haque. "Impact of Foliar Application of Zinc and Zinc Oxide Nanoparticles on Growth, Yield, Nutrient Uptake and Quality of Tomato." Horticulturae 9, no. 2 (2023): 162. http://dx.doi.org/10.3390/horticulturae9020162.

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Appropriate foliar application of zinc (Zn) and zinc oxide nanoparticles (ZnO-NPs) is important for the proper growth and yield of tomato. However, the effects of foliar application of Zn and ZnO-NPs were not well-studied on tomato production. A pot experiment was conducted at glasshouse (8D) conditions under the Faculty of Agriculture, Universiti Putra Malaysia (UPM) to evaluate the effectiveness of Zn and ZnO-NPs on growth, yield, nutrient uptake, and fruit quality of tomatoes and to compare between the Zn nutrient and ZnO-NPs. Treatment combinations were 14 viz. T1 = 0 (control), T2 = 1500

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Diguna, Lina Jaya, Aprilia Dyah Fitriani, Beta Riana Liasari, et al. "Optical and Photodetection Properties of ZnO Nanoparticles Recovered from Zn Dross." Crystals 11, no. 1 (2020): 6. http://dx.doi.org/10.3390/cryst11010006.

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In this study, we report the synthesis of ZnO nanoparticles from Zn dross via hydrometallurgical method by using acetic acid as a leaching agent. D205 dye molecules were then adsorbed onto Zn dross originated ZnO nanoparticle film. The optical absorption confirms the photosensitization of the synthesized ZnO nanoparticles with dye. The photoluminescence spectra reveal the excitonic- and defect-related emission of ZnO nanoparticles. Compared to ZnO nanoparticles only, the longer emission lifetime of ZnO nanoparticles with adsorbed dye indicates the transfer of photoexcited electrons from dye to

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Lee, Sun Sook, Hyun Jin Kim, Taek-Mo Chung, Young Kuk Lee, Chang Gyoun Kim, and Ki-Seok An. "Fabrication of Nanocomposite Based on ZnO Nanowire." Journal of Nanoscience and Nanotechnology 8, no. 9 (2008): 4895–98. http://dx.doi.org/10.1166/jnn.2008.ic80.

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ZnO-NiO core–shell nanowires and Ni-ZnO nanoparticle–nanowire composites have been synthesized by atomic layer deposition (ALD) and H2 thermal reduction, respectively. Grown ZnO nanowires on Si substrates by vapor transport method were used as templates for the growth of NiO layers. In order to prevent interfacial interaction between deposited NiO and ZnO nanowires templates by the reaction at low temperature and to precisely control the thickness of NiO layer, ALD technique was suitably employed to form the ZnO-NiO core–shell nanowires. All surface area of ZnO nanowires was completely and uni

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Sutharappa Kaliyamoorthy, Thiyakarajan, Vijayakumar Subramaniyan, Sangeetha Renganathan, et al. "Sustainable Environmental-Based ZnO Nanoparticles Derived from Pisonia grandis for Future Biological and Environmental Applications." Sustainability 14, no. 24 (2022): 17009. http://dx.doi.org/10.3390/su142417009.

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The bio-synthesis of zinc oxide nanoparticles (ZnO NPs) using aqueous leaf extract of Pisonia grandis is discussed in this work as an effective ecologically beneficial and straightforward method. This strategy intends to increase ZnO nanoparticle usage in the biomedical and environmental sectors, while reducing the particle of hazardous chemicals in nanoparticle synthesis. In the current study, bio-augmented zinc oxide nanomaterials (ZnO-NPs) were fabricated from Pisonia grandis aqueous leaf extracts. Different methods were used to analyze the ZnO-nanoparticles including X-ray diffraction (XRD

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Alam, Manawwer, Naser M. Alandis, Anees A. Ansari, and Mohammed Rafi Shaik. "Optical and Electrical Studies of Polyaniline/ZnO Nanocomposite." Journal of Nanomaterials 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/157810.

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Polyaniline (Pani)/ZnO nanocomposite with diameter 40–50 nm was successfully fabricated by coprecipitation method of ZnO viain situpolymerization of Pani. X-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM), fourier transformation infrared (FT-IR), UV-Vis absorption spectra, thermogravimetric analysis (TGA), and electrical properties were studied. HRTEM studies showed that the prepared ZnO nanoparticles were uniformly dispersed and highly stabilized throughout the polymer chain and formed uniform metal oxide-conducting polymer nanocomposite material. UV-Vis spectr

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Okorie, Ndidiamaka Hannah, Goodnews Onyedikachi Ikeh, Cyril Chekwube Adonu, Chigozie Peace Okorie, Romanus Chijioke Omeh, and Anthony Kelechi Nwangwu. "Precursor Chemistry and Antimicrobial Performance: A Green Synthesis Approach to the Zinc Oxide Nanoparticles." Asian Journal of Applied Chemistry Research 16, no. 2 (2025): 116–40. https://doi.org/10.9734/ajacr/2025/v16i2333.

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The increasing emphasis on sustainable nanotechnology has propelled the development of green synthesis methodologies for nanoparticle production. This study investigates the impact of precursor chemistry on the nucleation and growth of zinc oxide nanoparticles (ZnO NPs) synthesized via a green route utilizing Ocimum gratissimum leaf extracts. We examined three zinc precursors—zinc nitrate, zinc sulphate, and zinc acetate—to elucidate their influence on the physicochemical properties of the resulting ZnO NPs vis-vis their antimicrobial properties. The nanoparticles were treated to characterizat

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MADHAVI PRASANGI, Dr.N.JAYA MADHURI. "COMPARATIVE PERFORMANCE ANALYSIS OF SOL–GEL METHOD AND HYDRO THERMAL METHOD FOR ZINC OXIDE NANOPARTICLE SYNTHESIS." Journal of Advanced Zoology 44, no. 3 (2023): 1599–606. http://dx.doi.org/10.17762/jaz.v44i3.2408.

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Nanomaterials have emerged as an amazing class of materials that consists of a broad spectrum of examples with at least one dimension in the range of 1 to 100 nm. Exceptionally high surface areas can be achieved through the rational design of nanomaterials. Nanomaterials can be produced with outstanding magnetic, electrical, optical, mechanical, and catalytic properties that are substantially different from their bulk counterparts. There has been considerable focus on the synthesis of metal nanoparticles with distinct and exceptional characteristics, making it a highly captivating area of rese

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Savastenko, Natalie A., Anastasiya A. Shcherbovich, Veronika A. Lyushkevich, Irina I. Filatova, and Sergei A. Maskevich. "Effect of plasma treatment of Ag/ZnO hybrid photocatalysts on the optical properties and morphology of Ag nanoparticles." Journal of Optical Technology 91, no. 6 (2024): 410. http://dx.doi.org/10.1364/jot.91.000410.

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Subject of study. This study investigates Ag/ZnO hybrid photocatalysts and the role of silver nanoparticles as the active phase of these hybrid photocatalysts after treatment with low-temperature plasma generated from a dielectric barrier discharge. Aim of study. The aim is to determine how plasma treatment affects the optical properties and morphology of silver nanoparticles in Ag/ZnO hybrid photocatalysts as well as to explore the relationship between plasma-induced morphological changes and the photocatalytic activity of Ag/ZnO in the photodegradation of methyl orange and caffeine. Method.

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Doveit, Antony Charles, Katturajan Ramkumar, Kumar Gokul, Velu Suriya, Thabassum Nisar Nafisa, and Prince Sabina Evan. "Green Synthesis of ZnO Nanoparticles from Caesalpinia bonducella Seed and Application in Nano-priming-Assisted Vigna mungo Seed Germination." International Journal of Scientific Research and Modern Technology 4, no. 1 (2025): 37–48. https://doi.org/10.5281/zenodo.14745500.

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The green synthesis of zinc oxide nanoparticles employing Caesalpinia bonducella as a bio-reductant explores their potential applications in plant growth promotion through nano-priming and environmental safety. Conventional seed treatments often lead to risks to the environment and toxicological concerns. There is an urgent need for safe and sustainable solutions to improve seed germination and plant growth. This study aims to evaluate the efficacy of ZnO nanoparticles as a nano-priming agent on Vigna mungo seed germination and root, shoot development at varying concentrations. Employing XRD,

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Wang, Luoluo, Yi Ruan, Xiang Wu, and Xinhua Zhou. "Study of zinc oxide nanoparticles on epithelial-mesenchymal transition and toxicity of spontaneous monocyte-mediated cytotoxity-7721 cells." Materials Express 11, no. 6 (2021): 832–38. http://dx.doi.org/10.1166/mex.2021.1986.

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To explore the method of studying zinc oxide nanoparticles on the epithelial-mesenchymal transition and toxicity of liver cancer SMMC-7721 cells. Human liver cancer SMMC-7721 cells is stored in 90% FBS+10% DMSO liquid nitrogen. ZnO suspension was prepared, cell viability was assessed using MTT assay, cell apoptosis was analyzed by flow cytometry, and EMT-related proteins were detected by western blotting. Results showed LDH activity increased continuously with the increase in ZnO nanoparticle concentration and exposure time (P < 0.001). Both ATP and SOD activities gradually decreased with t

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Chang, Ho, and Ming-Hsun Tsai. "Synthesis of Nanosized ZnO by High Frequency Induction Method." Journal of Nanoscience and Nanotechnology 8, no. 2 (2008): 828–33. http://dx.doi.org/10.1166/jnn.2008.a232.

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In this study, presents an innovative method for nanoparticle synthesis system for nanosized ZnO fabrication with powder or suspension type. The experimental device is primarily composed of a high frequency induction heating system, a pressure control system, a temperature control system and an automatic nanoparticle collection system. This study employs an automatic collection system with liquid nitrogen to condense and collect the nanoparticles. The influence of such process variables such as heating temperature and vacuum pressure are analyzed and compared through experimentation in order t

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HAMMAD, TALAAT M., JAMIL K. SALEM, and ROGER G. HARRISON. "SYNTHESIS, CHARACTERIZATION, AND OPTICAL PROPERTIES OF Y-DOPED ZnO NANOPARTICLES." Nano 04, no. 04 (2009): 225–32. http://dx.doi.org/10.1142/s1793292009001691.

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Zinc oxide ( ZnO ) and yttrium-doped ZnO nanoparticles with particle size in the nanometer range have been successfully synthesized by the alkali precipitation method. The nanoparticle size and morphology have been investigated by X-ray diffraction (XRD), scanning electron microscope (SEM), and transmission electron microscope (TEM). The average particle size of Y-doped ZnO nanoparticles is about 17–29 nm. The absorption and photoluminescence (PL) spectra of the undoped and doped ZnO nanoparticles were also investigated. The optical band gap of ZnO nanoparticles can be tuned from 3.27 to 3.40

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Khalaf, H. Y., H. A. Awadh, H. M. Younis, N. A. Jasim, and K. S. Abass. "The effect of antifungal and Ago and Zno nanoparticles on Trichophyton mentagrophytes." Pakistan Journal of Medical and Health Sciences 15, no. 5 (2021): 1408–11. http://dx.doi.org/10.53350/pjmhs211551408.

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This study aimed to determine the main species of dermatophytes which caused skin infection and effect of antifungal and Ago and Zno nanoparticles on them. The result of this study showed that out of 80 sample, 54 sample were positive to fungal isolation with ratio 67.5%. and according to culture and PCR results %8383 of isolated type belong to Trichophyton mentagrophytes. Trichophyton mentagrophytes resistant to Nystatin and Fluconazole while sensitive to Griesofulvin, Clotrimazole and Flucytosin. MIC of Ago and Zno nanoparticle against Trichophyton mentagrophytes were 250 and 275 μg /ml whil

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Zing Neo Zhi, Ainun Rahmahwati Ainuddin, Balkis A. Talip, Siti Aida Ibrahim, and Niki Prastomo. "A Review on Application of Zinc Oxide Nanoparticles as Biocide, Problems of Administration, and Improved Delivery Techniques." Journal of Advanced Research in Micro and Nano Engineering 25, no. 1 (2024): 76–94. https://doi.org/10.37934/armne.25.1.7694.

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The incorporation of nanoparticles is trending in a wide range of applications for its antimicrobial properties. The antimicrobial properties, potency, and risk of ZnO nanoparticle have been assessed and justified for its efficacy in different applications. However, there is an existing gap between lab scale and on-site usage due to colloidal stability of the nanoparticles. Despite exhibiting antimicrobial properties under controlled laboratory condition, sensitivity of nanoparticles to ambient condition might reduce or negate its potency under different administered conditions. It is envisage

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Raevskaya, A. E., Ya V. Panasiuk, O. L. Stroyuk, et al. "Spectral and luminescent properties of ZnO–SiO2 core–shell nanoparticles with size-selected ZnO cores." RSC Adv. 4, no. 108 (2014): 63393–401. http://dx.doi.org/10.1039/c4ra07959k.

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Fatoni, Ahmad, Ensiwi Munarsih, Kadek Asmadi, and Nurlisa Hidayati. "Synthesis and Characterization Chitosan-ZnO nanoparticle and Its Application as Antibacterial Agent of Staphylococus aureus ATCC 25923." Science and Technology Indonesia 5, no. 1 (2020): 1. http://dx.doi.org/10.26554/sti.2020.5.1.1-5.

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The synthesis of modified chitosan has been studied. The aims of this research were modification of chitosan with ZnO nanoparticle to form chitosan-ZnO nanoparticle and its application as antibacterial agent of Staphylococus aureus. Characterization of modified chitosan was conducted using FTIR spectroscopy and X-Ray diffractometer. ZnO nanoparticle was synthesized by leaf extract of Sirih hijau (piper betle L) and zinc acetate dihydrate. Modified chitosan was synthesized by chitosan and ZnO nanoparticle. Modified chitosan solution can act as antibacterial agent with paper disk method. The res

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Wu, Hao, Huichao Zhu, Jianwei Zhang, et al. "Enhanced Acetone-Sensing Performance of a Bilayer Structure Gas Sensor Composed of a ZnO Nanorod Top Layer and a ZnFe2O4 Nanoparticle Decorated ZnO Nanorod Bottom Layer." Sensors 24, no. 23 (2024): 7851. https://doi.org/10.3390/s24237851.

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In this study, we report a high-performance acetone gas sensor utilizing a bilayer structure composed of a ZnO nanorod top layer and a ZnFe2O4 nanoparticle-decorated ZnO nanorod bottom layer. ZnO nanorods were synthesized via a water-bath method, after which the ZnFe2O4 nanoparticle-decorated ZnO nanorods were prepared using a simple immersion and calcination method. SEM and TEM revealed the porous morphology of the samples and the formation of ZnO-ZnFe2O4 heterojunctions. XPS analysis demonstrated an increase in oxygen vacancy content with the introduction of ZnFe2O4 nanoparticles. Compared t

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Roy, Anurag, Partha Pratim Das, Mukta Tathavadekar, Sumita Das, and Parukuttyamma Sujatha Devi. "Performance of colloidal CdS sensitized solar cells with ZnO nanorods/nanoparticles." Beilstein Journal of Nanotechnology 8 (January 23, 2017): 210–21. http://dx.doi.org/10.3762/bjnano.8.23.

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As an alternative photosensitizer in dye-sensitized solar cells, bovine serum albumin (BSA) (a nonhazardous protein) was used in the synthesis of colloidal CdS nanoparticles (NPs). This system has been employed to replace the commonly used N719 dye molecule. Various nanostructured forms of ZnO, namely, nanorod and nanoparticle-based photoanodes, have been sensitized with colloidal CdS NPs to evaluate their effective performance towards quantum dot sensitized solar cells (QDSSCs). A polysulphide (S x 2−)-based electrolyte and Cu x S counter electrode were used for cell fabrication and testing.

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Sari, Rodiah Nurbaya, N. Nurhasni, and M. Ainul Yaqin. "Green Synthesis Nanoparticle ZnO Sargassum sp. Extract and The Products Charactheristic." Jurnal Pengolahan Hasil Perikanan Indonesia 20, no. 2 (2017): 238. http://dx.doi.org/10.17844/jphpi.v20i2.17905.

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The synthesis of zinc oxide (ZnO) nanoparticles is an emerging research area due to its wide range of applications, such as electronics, pharmaceuticals, optics and food packaging. In this study, described <br />the green synthesis of ZnO nanoparticles and their characteristics using Sargassum sp. extract and 0.1 M zinc nitrate as the precursors. The variations include Sargassum sp. extracts volume of 5, 10, and 20<br />mL and the calcination temperature of 400, 500, and 600 oC. The characterization had been done such as the role of Sargassum sp. extract as a reducing agent for Zn2

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