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247 Results Found

  • Article
  • Open Access
45 Citations
5,403 Views
21 Pages

19 October 2022

The biogenic synthesis of CuO and ZnO nanoparticles (NPs) was carried out by Stenotrophomonas maltophilia. The shape, size, and chemical identity of the CuO and ZnO NPs were determined using FTIR, XRD, SEM, EDX, and TEM analysis. The study aimed to i...

  • Review
  • Open Access
707 Citations
26,773 Views
22 Pages

The Toxic Effects and Mechanisms of CuO and ZnO Nanoparticles

  • Ya-Nan Chang,
  • Mingyi Zhang,
  • Lin Xia,
  • Jun Zhang and
  • Gengmei Xing

13 December 2012

Recent nanotechnological advances suggest that metal oxide nanoparticles (NPs) have been expected to be used in various fields, ranging from catalysis and opto-electronic materials to sensors, environmental remediation, and biomedicine. However, the...

  • Article
  • Open Access
9 Citations
3,058 Views
11 Pages

4 November 2022

This study was conducted to evaluate the effects of adding cinnamon nanoparticles (NPs), Zinc oxide (ZnO) nanoparticles (NPs), and Copper oxide (CuO) NPs on the antibacterial property of a luting and lining glass ionomer cement (GIC) that was used fo...

  • Article
  • Open Access
3 Citations
2,252 Views
13 Pages

8 October 2021

Localized corrosion and biofouling cause very serious problems in the marine industries, often related to financial losses and environmental accidents. Aiming to minimize the abovementioned, two types of hybrid Zn-based protective coatings have been...

  • Article
  • Open Access
52 Citations
5,087 Views
18 Pages

29 March 2022

Advances in food processing and food packaging play a major role in keeping food safe, increasing the shelf life, and maintaining the food supply chain. Good packaging materials that enable the safe travel of food are often non-degradable and tend to...

  • Article
  • Open Access
12 Citations
4,419 Views
25 Pages

Nanoparticle-Enhanced Collagen Hydrogels for Chronic Wound Management

  • Alexandra Cătălina Bîrcă,
  • Mihai Alexandru Minculescu,
  • Adelina-Gabriela Niculescu,
  • Ariana Hudiță,
  • Alina Maria Holban,
  • Adina Alberts and
  • Alexandru Mihai Grumezescu

Chronic wound infections present a persistent medical challenge; however, advancements in wound dressings and antimicrobial nanomaterials offer promising solutions for improving healing outcomes. This study introduces a hydrothermal synthesis approac...

  • Article
  • Open Access
85 Citations
6,736 Views
15 Pages

Biogenic metal oxide nanoparticles (NPs) have emerged as a useful tool in biology due to their biocompatibility properties with most biological systems. In this study, we report the synthesis of copper oxide (CuO), zinc oxide (ZnO) nanoparticles (NPs...

  • Article
  • Open Access
33 Citations
4,230 Views
18 Pages

Antimicrobial Activity of Biogenic Metal Oxide Nanoparticles and Their Synergistic Effect on Clinical Pathogens

  • Dali Vilma Francis,
  • Manju Nidagodu Jayakumar,
  • Hafiz Ahmad and
  • Trupti Gokhale

The rising prevalence of antibiotic-resistance is currently a grave issue; hence, novel antimicrobial agents are being explored and developed to address infections resulting from multiple drug-resistant pathogens. Biogenic CuO, ZnO, and WO3 nanoparti...

  • Article
  • Open Access
88 Citations
5,704 Views
14 Pages

17 March 2020

Sustainable production of secondary metabolites in medicinal plants by artificial culturing on the industrial scale has gained worldwide importance. Engineered nanoparticles (ENPs) play a pivotal role in the elicitation of compounds of medicinal valu...

  • Article
  • Open Access
13 Citations
2,799 Views
17 Pages

26 August 2021

The effect of copper oxide and zinc oxide nanoparticles (NPs) on the mechanical and thermal properties of ground waste concrete inorganic polymers (GWC IPs) has been investigated. NPs are added to GWC IPs at loadings of 0.1, 0.5, 1, and 2% w/w. The p...

  • Article
  • Open Access
5 Citations
2,487 Views
19 Pages

Assessment of the Effects of ZnO and CuO Engineered Nanoparticles on Physicochemical Properties of Volcanic Ash Soil and Phosphorus Availability

  • Jonathan Suazo-Hernández,
  • Eulàlia Sans-Serramitjana,
  • María de la Luz Mora,
  • Barbara Fuentes,
  • María de los Ángeles Sepúlveda,
  • Jorge Silva-Yumi,
  • Silvia Celletti,
  • Luisella Celi,
  • Sheina Rivas and
  • Antonieta Ruiz

The presence of engineered nanoparticles (ENPs) in soil systems can modify their properties and the availability of nutrients. This study evaluated the effect of 1% CuO or ZnO ENPs on the physicochemical properties and on the phosphorus (P) adsorptio...

  • Article
  • Open Access
57 Citations
5,484 Views
19 Pages

Cu-Doped ZnO Nanoparticles for Non-Enzymatic Glucose Sensing

  • Amira Mahmoud,
  • Mosaab Echabaane,
  • Karim Omri,
  • Julien Boudon,
  • Lucien Saviot,
  • Nadine Millot and
  • Rafik Ben Chaabane

10 February 2021

Copper-doped zinc oxide nanoparticles (NPs) CuxZn1−xO (x = 0, 0.01, 0.02, 0.03, and 0.04) were synthesized via a sol-gel process and used as an active electrode material to fabricate a non-enzymatic electrochemical sensor for the detection of glucose...

  • Article
  • Open Access
3 Citations
1,032 Views
13 Pages

11 May 2025

Evaluating the effects of nanoparticles on biomass growth and astaxanthin accumulation in Haematococcus lacustris is crucial for optimizing the production of astaxanthin, a valuable carotenoid with numerous industrial applications. Identifying the li...

  • Feature Paper
  • Article
  • Open Access
21 Citations
6,948 Views
14 Pages

25 December 2018

The chemical composition of the test medium as well as the presence of algae (microcrustaceans’ food) affects the bioavailability and thus the toxicity of metal nanoparticles (NP) to freshwater microcrustaceans. This study evaluated the effect...

  • Article
  • Open Access
2 Citations
1,671 Views
18 Pages

Assessment of the Effects of Newly Fabricated CaO, CuO, ZnO Nanoparticles on Callus Formation Maintenance of Alfalfa (Medicago sativa L.) Under In Vitro Salt Stress

  • Mustafa Akçay,
  • Merve Simsek Geyik,
  • Busra Yazicilar,
  • Fatma Boke,
  • Hayrunnisa Nadaroglu,
  • Okkes Atıcı and
  • İsmail Bezirganoğlu

13 January 2025

Nanoparticles play an important role in plant response to abiotic stresses including salt stress. In this study, the physiological and histological responses of CuO, ZnO, and CaO nanoparticle (NP) applications on callus tissues developed from two alf...

  • Article
  • Open Access
2 Citations
1,818 Views
36 Pages

Orange Peel-Mediated Green Synthesis of ZnO and CuO Nanoparticles: Evaluation for Antimicrobial Activity and Biocompatibility in Tissue Engineering

  • Denisa-Maria Radulescu,
  • Ionela Andreea Neacsu,
  • Bogdan Stefan Vasile,
  • Vasile-Adrian Surdu,
  • Ovidiu-Cristian Oprea,
  • Roxana-Doina Trusca,
  • Cristina Chircov,
  • Roxana Cristina Popescu,
  • Cornelia-Ioana Ilie and
  • Lia-Mara Ditu
  • + 2 authors

9 September 2025

The production of green nanomaterials has drawn considerable interest lately in the fields of tissue engineering and biomedicine. Thus, the environmentally friendly synthesis of ZnO and CuO nanoparticles (NPs) utilizing orange peel extract as a natur...

  • Article
  • Open Access
4 Citations
1,865 Views
14 Pages

25 July 2024

Zinc oxide (ZnO) nanoparticles, as a non-toxic, harmless, and low-cost photocatalytic material, have attracted much attention from the scientific and industrial communities. However, due to their small particle size and high surface energy, ZnO nanop...

  • Article
  • Open Access
120 Citations
9,768 Views
15 Pages

31 March 2018

Nanoparticles were proposed as antibacterial cement admixtures for the production of cement-based composites. Nevertheless, the standards for evaluation of such admixtures still do not indicate which model organisms to use, particularly in regard to...

  • Article
  • Open Access
6 Citations
2,120 Views
18 Pages

Spectral Engineering of Hybrid Biotemplated Photonic/Photocatalytic Nanoarchitectures

  • Gábor Piszter,
  • Krisztián Kertész,
  • Dávid Kovács,
  • Dániel Zámbó,
  • Zsófia Baji,
  • Levente Illés,
  • Gergely Nagy,
  • József Sándor Pap,
  • Zsolt Bálint and
  • László Péter Biró

19 December 2022

Solar radiation is a cheap and abundant energy for water remediation, hydrogen generation by water splitting, and CO2 reduction. Supported photocatalysts have to be tuned to the pollutants to be eliminated. Spectral engineering may be a handy tool to...

  • Article
  • Open Access
22 Citations
2,535 Views
14 Pages

Protective Role of Mycosynthesized Bimetallic ZnO-CuO Nanoparticles as Therapeutic Nutrients to Enhance the Resistance of Vicia faba against Fusarium Wilt Disease

  • Mohamed S. Attia,
  • Gharieb S. El-Sayyad,
  • Amer M. Abdelaziz,
  • Sherif E. Gaber,
  • Ahmed Mohamed Aly Khalil,
  • Ahmed Mahmoud Saleh,
  • Omar Mahmoud Al zoubi and
  • Amr H. Hashem

29 October 2023

The exacerbation of climatic changes helped to increase the risk of plant diseases in the world. The novelty of this study lies in the manufacture of therapeutic nutrients using nanotechnology with strong effectiveness against plant disease. Based on...

  • Article
  • Open Access
4 Citations
2,517 Views
13 Pages

Antibacterial Activity of Silver-Modified CuO Nanoparticle-Coated Masks

  • Tanuja Udawant,
  • Prajkta Thorat,
  • Payal Thapa,
  • Manali Patel,
  • Saroj Shekhawat,
  • Roshni Patel,
  • Ankit Sudhir,
  • Om Hudka,
  • Indra Neel Pulidindi and
  • Archana Deokar

A green and cost-effective sonochemical synthetic method was followed for coating silver-modified copper oxide (Ag-CuO) nanoparticles (NPs) on disposable surgical mask. The NP-coated masks were systematically characterized using XRD and FT-IR for und...

  • Article
  • Open Access
5 Citations
1,560 Views
17 Pages

30 December 2024

(1) Background: The widespread use of nanoparticles (NPs) implies their inevitable contact with living organisms, including aquatic microorganisms, making it essential to understand the effects and consequences of this interaction. Understanding the...

  • Article
  • Open Access
4 Citations
3,239 Views
11 Pages

Ethanol to Acetaldehyde Conversion under Thermal and Microwave Heating of ZnO-CuO-SiO2 Modified with WC Nanoparticles

  • Alexander L. Kustov,
  • Andrey L. Tarasov,
  • Olga P. Tkachenko,
  • Igor V. Mishin,
  • Gennady I. Kapustin and
  • Leonid M. Kustov

31 March 2021

The nonoxidative conversion of ethanol to acetaldehyde under thermal and microwave heating was studied on mixed oxide ZnO-CuO-SiO2 catalysts modified with additives of tungsten carbide nanoparticles. The results revealed that the WC-modified catalyst...

  • Article
  • Open Access
44 Citations
3,496 Views
14 Pages

Application of ZnO Nanoparticles in Sn99Ag0.3Cu0.7-Based Composite Solder Alloys

  • Agata Skwarek,
  • Olivér Krammer,
  • Tamás Hurtony,
  • Przemysław Ptak,
  • Krzysztof Górecki,
  • Sebastian Wroński,
  • Dániel Straubinger,
  • Krzysztof Witek and
  • Balázs Illés

11 June 2021

The properties of Sn99Ag0.3Cu0.7 (SACX0307) solder alloy reinforced with ZnO nanoparticles were investigated. The primary ZnO particle sizes were 50, 100, and 200 nm. They were added to a solder paste at a ratio of 1.0 wt %. The wettability, the void...

  • Article
  • Open Access
13 Citations
3,838 Views
13 Pages

Facile Synthesis of Cu-Doped ZnO Nanoparticles for the Enhanced Photocatalytic Disinfection of Bacteria and Fungi

  • Ruichun Nan,
  • Shurui Liu,
  • Mengwan Zhai,
  • Mengzhen Zhu,
  • Xiaodong Sun,
  • Yisong Chen,
  • Qiangqiang Pang and
  • Jingtao Zhang

23 October 2023

In this study, Cu-doped ZnO was prepared via the facile one-pot solvothermal approach. The structure and composition of the synthesized samples were characterized by XRD (X-ray diffraction), TEM (transmission electron microscopy), and XPS (X-ray phot...

  • Article
  • Open Access
6 Citations
2,229 Views
15 Pages

Preparation and Properties of (Cu, Ni) Co-Doped ZnO Nanoparticle-Reinforced Cu-Ni Nanocomposite Coatings

  • Haifeng Tan,
  • Chunlin He,
  • Jie Yang,
  • Haixuan Sunyu,
  • Yunhe Ling,
  • Jinlin Zhang and
  • Guihong Song

29 March 2023

Here, 2% Cu + 2% Ni co-doped ZnO nanoparticles were synthesized using the hydrothermal method and were used as particle reinforcements of Cu-Ni nanocomposite coatings prepared by electroplating technology. The effects of the added (Cu, Ni) co-doped Z...

  • Article
  • Open Access
83 Citations
7,805 Views
24 Pages

5 February 2021

Green synthesized metal oxide nanoparticles (NPs) have prominent applications in antimicrobial packaging systems. Here we have attempted for the fabrication of chitosan-based nanocomposite film containing Urtica dioica leaf extract derived copper oxi...

  • Article
  • Open Access
28 Citations
4,129 Views
24 Pages

30 June 2021

Zinc oxide rod structures are synthetized and subsequently modified with Au, Fe2O3, or Cu2O to form nanoscale interfaces at the rod surface. X-ray photoelectron spectroscopy corroborates the presence of Fe in the form of oxide—Fe2O3; Cu in the form o...

  • Article
  • Open Access
40 Citations
5,344 Views
21 Pages

20 October 2021

Water pollution by heavy metals has significant effects on aquatic ecosystems. Copper is one of the heavy metals that can cause environmental pollution and toxic effects in natural waters. This encourages the development of better technological alter...

  • Article
  • Open Access
11 Citations
2,737 Views
13 Pages

Eucalyptus globulus Extract-Assisted Fabrication of Copper Oxide/Zinc Oxide Nanocomposite for Photocatalytic Applications

  • Muhammad Hafeez,
  • Arooba Ghazal,
  • Jahanzeb Khan,
  • Pervaiz Ahmad,
  • Mayeen Uddin Khandaker,
  • Hamid Osman and
  • Sultan Alamri

16 August 2022

In this work, we report the engineering of sub 30 nm nanoparticles of copper oxide (CuO) and Zinc oxide (ZnO) and their nanocomposite, using a green method, to degrade an organic dye (methyl orange) that is responsible for water pollution. The plant...

  • Article
  • Open Access
11 Citations
2,855 Views
14 Pages

Tribological Behavior of Ionic Liquid with Nanoparticles

  • Thi-Na Ta,
  • Shin-Yuh Chern and
  • Jeng-Haur Horng

22 October 2021

This research aims to formulate a new lubricant containing oxide nanoparticles for enhancing anti-wear ability and reducing friction. Different concentrations of copper oxide (CuO) and zinc oxide (ZnO) nanoparticles were separately added to an ionic...

  • Article
  • Open Access
45 Citations
6,945 Views
13 Pages

9 January 2018

The surface of ZnWO4 nanorods was decorated with Cu2O nanoparticles (Cu2O/ZnWO4) prepared through a precipitation method. The Cu2O nanoparticles were tightly deposited on the ZnWO4 surface and had average diameters of 20 nm. The nanoparticles not onl...

  • Article
  • Open Access
9 Citations
2,716 Views
12 Pages

20 March 2022

This work represents a novel combination between Acacia nilotica pods’ extract and the hydrothermal method to prepare nanoparticles of pure zinc oxide and pure copper oxide and nanocomposites of both oxides in different ratios. Five samples wer...

  • Article
  • Open Access
26 Citations
4,677 Views
17 Pages

29 December 2022

In this study, sputtered-assisted CuO-decorated ZnO nanorod (NR) gas sensors were fabricated for ethanol gas sensing studies. CuO nanoparticles have been successfully formed on ZnO nanorods by means of a physical process as the decorative metallic el...

  • Article
  • Open Access
7 Citations
3,146 Views
23 Pages

Non-ROS-Mediated Cytotoxicity of ZnO and CuO in ML-1 and CA77 Thyroid Cancer Cell Lines

  • Alyse N. Peters,
  • Nakaja A. Weaver,
  • Kathryn S. Monahan and
  • Kyoungtae Kim

17 February 2023

Metal oxide nanoparticles (MONPs) are widely used in agriculture and food development but there is little understanding of how MONPs, including ZnO, CuO, TiO2, and SnO2, impact human health and the environment. Our growth assay revealed that none of...

  • Article
  • Open Access
10 Citations
2,188 Views
18 Pages

7 November 2023

Super-sensitive malathion detection was achieved using a nonenzymatic electrochemical sensor based on a CuO/ZnO-modified glassy carbon electrode (GCE). Due to the high affinity between the Cu element and the sulfur groups in malathion, the developed...

  • Article
  • Open Access
3 Citations
2,718 Views
16 Pages

11 March 2022

CuO/ZnO nanocomposites were greenly prepared and tested for the catalytic degradation of methyl orange. The XRD analysis confirmed the existence of CuO and ZnO with crystallite sizes within the range of 15–30 nm. TEM and SEM images showed diffe...

  • Article
  • Open Access
121 Citations
13,632 Views
13 Pages

Evaluation of Antioxidant and Cytotoxicity Activities of Copper Ferrite (CuFe2O4) and Zinc Ferrite (ZnFe2O4) Nanoparticles Synthesized by Sol-Gel Self-Combustion Method

  • Samikannu Kanagesan,
  • Mansor Hashim,
  • Sidek AB Aziz,
  • Ismayadi Ismail,
  • Subramani Tamilselvan,
  • Noorjahan Banu Alitheen,
  • Mallappa Kumara Swamy and
  • Bandaru Purna Chandra Rao

30 August 2016

Spinel copper ferrite (CuFe2O4) and zinc ferrite (ZnFe2O4) nanoparticles were synthesized using a sol-gel self-combustion technique. The structural, functional, morphological and magnetic properties of the samples were investigated by Fourier transfo...

  • Article
  • Open Access
23 Citations
4,660 Views
21 Pages

Mixture Effects of Diesel Exhaust and Metal Oxide Nanoparticles in Human Lung A549 Cells

  • Alessandra Zerboni,
  • Rossella Bengalli,
  • Giulia Baeri,
  • Luisa Fiandra,
  • Tiziano Catelani and
  • Paride Mantecca

11 September 2019

Airborne ultrafine particles (UFP) mainly derive from combustion sources (e.g., diesel exhaust particles—DEP), abrasion sources (non-exhaust particles) or from the unintentional release of engineered nanoparticles (e.g., metal oxide nanoparticl...

  • Feature Paper
  • Article
  • Open Access
46 Citations
7,070 Views
16 Pages

25 June 2017

In this work we have demonstrated a facile formation of CuO nanostructures on copper substrates by the oxidation of copper foil in ethylene glycol (EG) at 80 °C. On immersing a prepared CuO film into a solution containing 0.1 g Zn(acac)2 in 20 mL EG...

  • Article
  • Open Access
2 Citations
1,410 Views
13 Pages

14 October 2024

Intermetallic compounds (IMCs) growth can simultaneously bring about low-resistance electrical pathways and drastically reduce joint lifetime. Recently, incorporated trace nanoparticles into the free-Pb solder were found to promote the performance of...

  • Article
  • Open Access
61 Citations
6,895 Views
14 Pages

Successive Photocatalytic Degradation of Methylene Blue by ZnO, CuO and ZnO/CuO Synthesized from Coriandrum sativum Plant Extract via Green Synthesis Technique

  • Raja Abdul Basit,
  • Zeeshan Abbasi,
  • Muhammad Hafeez,
  • Pervaiz Ahmad,
  • Jahanzeb Khan,
  • Mayeen Uddin Khandaker,
  • Kholoud Saad Al-Mugren and
  • Awais Khalid

7 February 2023

In this study, successful synthesis of ZnO nanoparticles (NPs), CuO NPs, and ZnO/CuO nanocomposite through an eco-friendly method using Corriandrum sativum leaf extract as a capping agent is reported. Using XRD, FTIR, UV-Vis, and SEM techniques, the...

  • Communication
  • Open Access
60 Citations
5,164 Views
11 Pages

Decoration of CuO NWs Gas Sensor with ZnO NPs for Improving NO2 Sensing Characteristics

  • Tae-Hee Han,
  • So-Young Bak,
  • Sangwoo Kim,
  • Se Hyeong Lee,
  • Ye-Ji Han and
  • Moonsuk Yi

17 March 2021

This paper introduces a method for improving the sensitivity to NO2 gas of a p-type metal oxide semiconductor gas sensor. The gas sensor was fabricated using CuO nanowires (NWs) grown through thermal oxidation and decorated with ZnO nanoparticles (NP...

  • Article
  • Open Access
26 Citations
4,322 Views
18 Pages

Fe2O3, CuO and ZnO nanoparticles (NP) have found various industrial and biomedical applications. However, there are growing concerns among the general public and regulators about their potential environmental and health impacts as their physio-chemic...

  • Article
  • Open Access
24 Citations
3,645 Views
14 Pages

24 August 2022

Nanomaterials with unique and diverse physico-chemical properties are used in plant science since they improve plant growth and development and offer protection against biotic and abiotic stressors. Previous studies have explored the effects of such...

  • Article
  • Open Access
27 Citations
4,119 Views
13 Pages

Synthesizing CuO/CeO2/ZnO Ternary Nano-Photocatalyst with Highly Effective Utilization of Photo-Excited Carriers under Sunlight

  • Kaiyi Luo,
  • Jing Li,
  • Wenyu Hu,
  • Han Li,
  • Qiuping Zhang,
  • Huan Yuan,
  • Fei Yu,
  • Ming Xu and
  • Shuyan Xu

29 September 2020

The construction of heterostructured photocatalyst with an appropriate energy band structure will help realize highly efficient photo-excited charge separation. In this study, ternary CuO/CeO2/ZnO nano-particle (NP) composites were synthesized by a f...

  • Article
  • Open Access
28 Citations
3,930 Views
20 Pages

Although the molecular response of bacteria exposed to metal nanoparticles (NPs) is intensively studied, many phenomena related to their survival, metal uptake, gene expression and protein production are not fully understood. Therefore, this work aim...

  • Article
  • Open Access
18 Citations
3,108 Views
23 Pages

The High-Throughput In Vitro CometChip Assay for the Analysis of Metal Oxide Nanomaterial Induced DNA Damage

  • Andrey Boyadzhiev,
  • Silvia Aidee Solorio-Rodriguez,
  • Dongmei Wu,
  • Mary-Luyza Avramescu,
  • Pat Rasmussen and
  • Sabina Halappanavar

27 May 2022

Metal oxide nanomaterials (MONMs) are among the most highly utilized classes of nanomaterials worldwide, though their potential to induce DNA damage in living organisms is known. High-throughput in vitro assays have the potential to greatly expedite...

  • Article
  • Open Access
2 Citations
1,683 Views
15 Pages

Nanoparticle Effects on Ice Plant Mineral Accumulation under Different Lighting Conditions and Assessment of Hazard Quotients for Human Health

  • Rūta Sutulienė,
  • Aušra Brazaitytė,
  • Martynas Urbutis,
  • Simona Tučkutė and
  • Pavelas Duchovskis

28 February 2024

Nanotechnologies can improve plant growth, protect it from pathogens, and enrich it with bioactive and mineral substances. In order to fill the lack of knowledge about the combined environmental effects of lighting and nanoparticles (NPs) on plants,...

  • Article
  • Open Access
3 Citations
2,170 Views
12 Pages

24 October 2021

Comparison of the effects of metal oxide nanoparticles (NPs; CuO, NiO, ZnO, TiO2, and Al2O3) on different bioluminescence processes was evaluated using two recombinant (Pm-lux and Pu-lux) strains of Pseudomonas putida mt-2 with same inducer exposure....

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