Technical Specifications:
- Material: Gold Nanopowder (Au)
- Purity: >99.95% or higher
- Particle Size: 50-100 nm (nanometers)
- Form: Metal basis (pure gold)
- Shape: Typically spherical or nearly spherical nanoparticles
- Density: Approximately 19.32 g/cm³ (for bulk gold)
- Melting Point: Approximately 1,064°C (1,947°F)
- Boiling Point: 2,970°C (5,378°F)
Chemical Composition:
- Gold (Au): >99.95%
Applications:
1. Catalysis:
- Gold nanoparticles are widely recognized for their catalytic activity in various chemical reactions such as oxidation, reduction, hydrogenation, and dehydrogenation. Their high surface area and reactivity make them effective as catalysts or catalyst supports in a wide range of industrial chemical processes.
- They are applied in green chemistry for sustainable processes, such as carbon monoxide oxidation and selective hydrogenation in the pharmaceutical and petrochemical industries.
2. Sensors and Diagnostics:
- Gold nanoparticles are commonly used in biosensors and chemical sensors for detecting biological markers, toxins, pollutants, and diseases. The 50-100 nm particle size provides excellent sensitivity and can be easily functionalized for specific applications.
- They are used in diagnostic assays, point-of-care diagnostics, and biosensing applications in medical devices, enabling the detection of diseases, toxins, or environmental pollutants.
3. Medical and Biomedical Applications:
- Gold nanoparticles are widely used in nanomedicine, particularly for drug delivery and imaging. Their biocompatibility, small size, and ease of functionalization with biomolecules make them ideal for targeted drug delivery and imaging agents in cancer therapy and other medical treatments.
- Gold nanoparticles are also used in photothermal therapy, where they are exposed to infrared light to generate heat and destroy cancer cells while minimizing damage to surrounding healthy tissues.
4. Optical and Plasmonic Applications:
- Gold nanoparticles are well-known for their plasmonic properties, which make them highly effective in optical applications such as surface-enhanced Raman spectroscopy (SERS), nano-optics, and optical coatings.
- These nanoparticles can enhance light-matter interactions, making them valuable in biosensing, molecular detection, imaging, and sensor technologies, offering enhanced optical sensitivity.
5. Electronics and Conductive Inks:
- Gold nanopowder is utilized in printed electronics, flexible electronics, and conductive inks for applications like printed circuit boards (PCBs), RFID tags, and sensors. The high conductivity of gold ensures superior electrical performance in these applications.
- Gold nanoparticles are particularly useful in smart electronics, wearable devices, and antennas due to their conductivity and flexibility in design.
6. Cosmetics and Personal Care Products:
- Gold nanoparticles are used in the cosmetics industry for their anti-aging, anti-inflammatory, and skin rejuvenating properties. They are incorporated into anti-aging creams, serums, moisturizers, and sunscreens to promote collagen production and skin elasticity.
- The nanoparticles help to hydrate the skin, improve circulation, and reduce skin inflammation, making them an essential ingredient in luxury skin care products.
7. Food and Packaging:
- Gold nanoparticles are explored in food packaging applications to improve shelf life and protect against microbial contamination. The nanoparticles can be incorporated into food packaging materials to create antimicrobial coatings or enhance the preservation of food products.
- They are also used in food labeling for authenticity verification and in applications where food safety and quality assurance are essential.
8. Environmental Remediation:
- Gold nanoparticles have applications in environmental remediation, specifically for water purification and pollution control. They can be functionalized to adsorb toxic pollutants, heavy metals, and organic contaminants from water sources.
- Gold nanoparticles are used in water treatment systems to remove pollutants and improve the quality of drinking water by acting as efficient adsorbents and catalysts for chemical degradation of pollutants.
9. Photothermal Therapy:
- Gold nanoparticles are widely used in photothermal therapy, where they absorb laser light and convert it into heat, which can be used to target and destroy tumor cells in cancer treatment.
- The 50-100 nm size ensures that the nanoparticles can effectively penetrate tissues, enhancing their use in targeted therapies and providing a minimally invasive approach to treating cancers.
10. Research and Development:
- Gold nanoparticles are frequently used in research and development across fields like nanotechnology, biotechnology, and materials science. Their versatility and biocompatibility make them ideal for drug delivery, biosensing, nanocomposites, and functional materials in various research disciplines.
- They are used to create advanced materials for electronics, drug carriers, biomaterials, and nanoelectronics in cutting-edge applications.
Summary:
Gold Nanopowder (Au, >99.95+, 50-100 nm) is a versatile and high-performance material with unique plasmonic properties, high biocompatibility, excellent electrical conductivity, and catalytic activity. The 50-100 nm size ensures high surface area, making it ideal for biosensing, medical applications, drug delivery, catalysis, and optical technologies. It is widely used in nanomedicine, nanotechnology, green chemistry, biosensing, cosmetics, environmental solutions, and electronics. Its high purity guarantees optimal performance in advanced applications, particularly in cancer treatment, diagnostics, and biotechnology.
