Streptavidine is very commonly used material in biotech industry and reserach, we supply large quantity and quality streptavidin from mg to gram, by the way our customers are very like our price for this product.
Gold conjugated streptavidine is commonly used to make the control line in the rapid test products, we supply you with the ready to use gold conjugated streptavdine and biotin-BSA to help your development for your products.
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Gold conjugated Streptavidin is nature streptavidin conjugated to 40nm colloid gold, which can be used to gold pad with the target conjugate together for the control line development of lateral flow assay. Biotin-BSA is available in our company used tocoat to the cellulose membrane making control line.
Nature Streptavidin is purified to a high degree from fermentations of Streptomyc avidinii and has a molecular weight of 52 kDa (also known as ‘core’ streptavidin). The specific activity of this product is ≥14.0 U/mg protein, the product is supplied as lyophilized powder.