International Gold Nanoparticles Sigma
Sigma-Aldrich, a global leader in life science products and services, offers a wide range of international gold nanoparticles for research and industrial applications. These nanoparticles are characterized by their unique properties, such as high surface-to-volume ratio, tunable size and shape, and excellent biocompatibility.
Properties of Sigma Gold Nanoparticles
* Size and Shape: Sigma gold nanoparticles are available in a variety of sizes and shapes, including spherical, nanorods, nanostars, and nanocubes. The size distribution and shape of the nanoparticles can be tailored to specific applications.
* Surface Chemistry: The surface of Sigma gold nanoparticles can be modified with a variety of functional groups, such as thiol (-SH), amine (-NH2), and carboxyl (-COOH) groups. This allows for easy conjugation to other molecules, such as proteins, DNA, and antibodies.
* Optical Properties: Gold nanoparticles exhibit strong surface plasmon resonance (SPR) bands in the visible to near-infrared region. The SPR band can be tuned by changing the size, shape, and dielectric environment of the nanoparticles.
* Biocompatibility: Sigma gold nanoparticles are highly biocompatible and can be safely used in biological applications. They have been shown to be non-toxic to cells and tissues.
Applications of Sigma Gold Nanoparticles
Sigma gold nanoparticles have a wide range of applications in research and industry, including:
* Biomedical applications:
* Drug delivery and targeting
* Biosensing and diagnostics
* Cancer therapy
* Industrial applications:
* Electronics and semiconductors
* Catalysis
* Optics and photonics
* Energy storage
Ordering Sigma Gold Nanoparticles
Sigma-Aldrich offers a convenient online ordering system for international customers. Researchers and scientists can search for specific products, view technical data, and place orders directly through the Sigma website. Sigma also provides technical support and documentation to help customers choose the right gold nanoparticles for their applications.
In conclusion, Sigma-Aldrich’s international gold nanoparticles provide researchers and industrial users with high-quality, customizable nanoparticles for a wide range of applications. With their unique properties and ease of use, Sigma gold nanoparticles are essential tools for advancing research and developing innovative technologies.
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