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Covalent Streptavidin Gold Conjugate

Introducing our Covalent Streptavidin Gold Conjugate, a cutting-edge reagent designed for high-sensitivity applications in immunoblotting, light microscopy, and electron microscopy. This conjugate combines the superior binding capabilities of Streptavidin with the distinct imaging properties of 5nm gold nanoparticles, offering a powerful tool for researchers seeking enhanced detection and visualization.

Product Specifications and Features

Our Covalent Streptavidin Gold Conjugate boasts a gold nanoparticle core size of 5nm, providing optimal signal amplification and minimizing background noise. The conjugate exhibits an absorbance peak at 515-520nm, ensuring efficient detection and clear imaging. Available in optical densities of OD=3 and OD=10, you can select the appropriate concentration for your specific application. The Streptavidin conjugated to the gold nanoparticles originates from Streptomyces avidinii, ensuring high purity and reliability. The working dilution range of 1:5-1:100 allows for flexibility in experimental design. Supplied in a storage buffer of 1XPBS (pH 7.4), 20% glycerol (v/v), and 1% BSA, this conjugate maintains stability and functionality throughout your experiments.

Applications and Benefits

The Covalent Streptavidin Gold Conjugate is an invaluable asset for researchers in various fields. Its high sensitivity makes it ideal for dot blotting, where it can detect as little as 100pg of target. When paired with our silver enhancement kit, this conjugate can significantly increase the sensitivity of immunohistochemistry protocols, particularly in microscopy applications. The permanent label provided by the gold nanoparticles ensures long-lasting results and facilitates data analysis. With its broad range of applications and undeniable advantages, the Covalent Streptavidin Gold Conjugate is a must-have tool for any laboratory seeking to enhance their research capabilities.