Copper Nanoparticles
Copper Nanoparticles - Related Videos
08:22
Studying Copper Nanoparticle-Induced Programmed Cell Death in Bacteria
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Cited by 1 •
2025
Copper nanoparticles act as antimicrobial agents by generating reactive oxygen species. Here, procedures are presented demonstrating that copper nanoparticles are effective against three clinically relevant pathogens and that certain programmed cell death pathways are involved in this bactericidal process.
06:52
Positron Emission Tomography Using 64-Copper as a Tracer for the Study of Copper-Related Disorders
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Cited by 6 •
2023
The present protocol describes how to perform 64Cu PET/CT and PET/MRI imaging in humans to study copper-related disorders, such as Wilson disease, and the treatment effect on copper metabolism.
06:45
A Caenorhabditis elegans Nutritional-status Based Copper Aversion Assay
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Cited by 3 •
2017
Here, we present a Caenorhabditis elegans-specific assay designed to evaluate changes in copper aversion behavior and the ability to locate a common food source, as the organism progresses from a well-fed to starved nutritional state.
07:40
Production of Metal Nanoparticles by Pulsed Laser-ablation in Liquids: A Tool for Studying the Antibacterial Properties of Nanoparticles
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Cited by 14 •
2017
The antimicrobial properties of metals such as copper and silver have been recognized for centuries. This protocol describes pulsed laser-ablation in liquids, a method of synthesizing metal nanoparticles that provides the ability to fine tune the properties of these nanoparticles to optimize their antimicrobial effects.
02:53
Functionalized Nanoparticle Targeting of Ovarian Cancer: A Technique to Facilitate Folic Acid-conjugated Nanoparticle Contrast Agent Uptake by Ovarian Cancer Cells
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2023
In this video, we demonstrate a technique to facilitate the internalization of folic acid-capped copper sulfide nanoparticles (CuS NPs). Folic acid-functionalized CuS NPs have the ability to target folate-receptors which are overexpressed in many ovarian cancer cells.
FAQs
Oxidation and dissolved copper-ion release are central to the environmental behavior of Copper Nanoparticles. As particles encounter environmental conditions, oxidation can alter the particle surface and generate dissolved copper species. Those ions may contribute to reactivity and toxicity, while the remaining particle form can continue interacting with surrounding materials. Separating these forms helps interpret fate and biological effects.
Water chemistry affects whether particles remain dispersed, aggregate, or undergo transformation. Changes in the surrounding water can modify interactions with natural organic matter and minerals, which in turn influence transport, persistence, and reactivity. Consequently, results from one aquatic setting may not represent another, making water conditions an important part of exposure assessment and environmental risk interpretation.
These environmental components can change how Copper Nanoparticles move and react. Natural organic matter and minerals may affect particle aggregation and transport, whereas microorganisms represent potential biological targets and sites of environmental interaction. Considering all three together gives a more realistic view of transformation and persistence than evaluating the particles in isolation, especially in aquatic and soil systems.
A useful investigation follows changes in particle form and surroundings rather than measuring copper only once. Researchers can examine oxidation, dissolved copper-ion release, aggregation, transport, persistence, and reactivity while considering natural organic matter, minerals, microorganisms, and water chemistry. Comparing these factors across aquatic and soil settings helps connect transformation patterns with exposure and toxicity concerns.
Their nanoscale properties support antimicrobial coatings, sensors, catalysis, and pollutant treatment. These uses take advantage of copper’s reactivity or interactions at small scales, but the same behavior can create environmental concerns if particles transform, release dissolved copper ions, or reach aquatic and soil systems. Application development therefore needs to consider performance alongside fate and toxicity.
Fate and transformation studies reveal how oxidation, ion release, aggregation, transport, and interactions with environmental components shape exposure. That information supports safer nanomaterial design, improves exposure assessment, and helps determine where environmental technologies can be used responsibly. It also provides context for evaluating aquatic and soil toxicity rather than treating nanoparticle performance as the only outcome.