Zinc Oxide Nanoparticles
- Zinc: 80.34
- Oxygen: 19.6
- Melting point: 1975 °C or 3587 °F
- Boiling point: 2360 °C or 4280 °F
- Density: 5600 kg/m3 or 0.202 lb./in3
- Molar Mass: 81.40 g/mol
- Form Factor: Powder
- Colour: White
- pH value: 8.9
- Surface treating compound: Amphoteric Surfactant
- Facepiece filtering (N-95 or greater)
- Air-purifying respirator – N-100, R-100, or P-100 filters
Description and Specifications Zinc Oxide Nanoparticles
Zinc oxide nanoparticles (Zinc Oxide Nanopowder) or ZnO Nanoparticles are minute particles of zinc oxide having diameters of fewer than 100 nanometers. They feature a vast surface area for their size and high catalytic activity. Zinc is an essential inorganic element widely utilized in health, biology, and industry. An adult’s daily consumption is 8–15 mg/day, with around 5–6 mg/day lost through urine and perspiration. It is also a necessary component of bones, teeth, enzymes, and many functioning proteins. Zinc metal is required for the growth of humans, animals, plants, and microbes, but Zinc Oxide Nanopowder is poisonous to many fungi, viruses, and bacteria. Acrodermatitis enteropathica, a hereditary illness characterized by python-like rough and scaly skin, affects people who have an intrinsic genetic deficit of soluble zinc-binding protein.
ZnO is a wide-bandgap semiconductor with a room-temperature energy gap of 3.37 eV. ZnO, titanium dioxide, and silicon dioxide nanoparticles are the three most created nanomaterials. The precise physical and chemical characteristics of zinc oxide nanoparticles are determined by the many methods by which they are produced. Sunscreen is the most frequent applications of nanoparticles. They utilize it because they absorb UV light effectively while having a broad enough bandgap to be entirely transparent to visible light. They are also being researched for their ability to destroy dangerous bacteria in packaging and UV-protective materials such as textiles. Many firms do not identify nanoparticle-containing items, making it impossible to establish claims regarding their manufacturing and pervasiveness in consumer products.
ZnO nanoparticles can be utilized as Nano-optical and Nano-electrical devices in the industry, as antibacterial and antitumor agents in food packaging, and as antimicrobial and antitumor agents in medicine. High luminous efficiency combined with a significant exciton binding energy (60meV) has sparked considerable study into the manufacture of nanoparticles utilizing various synthetic techniques and their potential uses. Due to their small size, Nanoparticles can typically move throughout the body and have been proven in animal experiments to permeate the placenta, blood-brain barrier, individual cells, and their nuclei. Because nanoparticles are a novel material, there is worry about the possible risks they may pose. Laser ablation, hydrothermal techniques, electrochemical depositions, sol-gel method, chemical vapor deposition, thermal decomposition, electrophoretic deposition, and precipitation processes employing solution concentration, pH, and washing media are some methods for producing ZnO nanoparticles.
It is less hazardous than silver nanoparticles at a wide concentration range. The spectrum of an aqueous solution of Zinc Oxide Nanopowder shows peaks between 370 and 385 nm. In the presence of moisture, it creates ROS (hydroxyl radicals, superoxide, and hydrogen peroxide), which ostensibly react with bacterial cell components such as protein, lipids, and DNA, finally inducing death.
Properties of Zinc Oxide Nanoparticles
• Zinc: 80.34
• Oxygen: 19.6
• Melting point: 1975 °C or 3587 °F
• Boiling point: 2360 °C or 4280 °F
• Density: 5600 kg/m3 or 0.202 lb./in3
• Molar Mass: 81.40 g/mol
• Form Factor: Powder
• Colour: White
• pH value: 8.9
• Surface treating compound: Amphoteric Surfactant
Applications of Zinc Oxide Nanoparticles
Zinc oxide is a necessary component of several enzymes, sunscreens, and anti-itch ointments. Because of their broad band gap, its microcrystals are extremely effective light absorbers in the UVA and UVB regions of the spectrum. They are more potent against microorganisms such Sarcina lutea, Bacillus subtilis, Bacillus megaterium, Klebsiella pneumonia, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Pseudomonas Vulgaris, Candida albicans, and Aspergillus Niger. The effect of zinc oxide on biological activities is determined by its shape, particle size, exposure period, concentration, pH, and biocompatibility.
Zinc oxide nanoparticles are renowned for their low toxicity, making them an excellent option for application in the biomedical area. The strong and stiff structure of Zinc Oxide Nanopowder makes them valuable in the ceramic industry. It is naturally known to have high microbial resistance, widely used for biological sensing, drug delivery, biological labelling, gene delivery, and nano-medicine. Zinc oxide has been certified as a safe material by the Food and Drug Administration.
How to Use?
Types of solvents suitable for dispersion: Solvents like Organic Solvent (DMF), DI water, ethanol, Dimethyl Sulfoxide (DMSO), acetone, and many more.
• First, add a surfactant or dispersant to the solution.
• Add the Nanopowder when the surfactants or dispersants dissolve in the solution.
• Finally, ultrasonicate the solution. Because the dispersion may heat up during ultrasonic processing, it is a good idea to pause every 5 minutes to allow for the solution to cool and deform before continuing.
• Centrifuge the dispersion solution after ultra-sonication to remove non-dispersed agglomerated particles. The dispersion will be stable after centrifugation for a period determined by the components’ particle size, concentration, and molecular weight. The centrifugal speed should be 2000 rpm, and the centrifugation period should be 30 minutes.
• If you do not have ultrasonicate equipment, please utilize high-speed mixers, which function just as well (normally 20-40minuts).
Safety Measures of Zinc Oxide Nanoparticles
Glove selection should be determined by a risk assessment and the chemicals utilized in the procedure. When working with nanomaterials, use nitrile, or rubber gloves that completely cover the hands and wrists via the overlapping sleeve of the lab coat may provide appropriate protection. When performing jobs involving nanomaterials and other hazardous chemicals, it is recommended to wear two sets of gloves (“double gloving”). Before and shortly after removing gloves, laboratory staff should thoroughly wash their hands with soap and water.
Eye: Safety glasses or goggles should be used when dealing with nanomaterials. We recommend wearing a full-face shield when performing actions that may form aerosols and/or droplets.
Protective clothing: When dealing with nanomaterials, laboratory coats, or disposable gowns that cover the skin entirely must be worn. It should remove Nanomaterial-contaminated clothing promptly. Do not bring contaminated work attire home with you – contaminated clothing may have to be disposed of as hazardous trash.
Respiratory protection: If engineering controls are insufficient or unavailable, and there is a risk of aerosol exposure, respiratory protection is necessary. Working with nanomaterials necessitates the use of one of the following types of respirators:
• Facepiece filtering (N-95 or greater)
• Air-purifying respirator – N-100, R-100, or P-100 filters
Why Choose Us?
Techinstro is a leading Indian private firm that is a giant in the world of advance chemicals. We are one of the most chosen services when it comes to having quality products in a reasonable range. We specialize in making various products such as TCOs, Nanotechnology, advanced conductive coating, Environmental solutions, solar energy products, etc. The highlight of our service is that we aim to conserve the environment with an effort to reduce chemical pollution. Our products are tops in quality and purity while providing high performance to all the researchers applications. While most of our clients belong to research background, we have a high following of industries who find it beneficial to buy from us. Since we are the sole manufacturers and suppliers of our products, we customize the products as per the requirements mentioned by our clients. Zinc oxide nanoparticles are available in two forms – dispersions and powders. The standard pack size is 100gm, 500gm and 1 kg. We also provide special rates to industries that have bulk orders.