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PolyHRP had been synthesized first time in Russia in 1987. First commercial product emerged in the West was Streptavidin-PolyHRP20. It was purchased from SDT by Belgian firm Sotramo International NV and had been introduced in Janssen Biochimica Catalog under the name Streptavidin-(HRP)18-20 in 1991. After splitting biochemical business of Janssen, PolyHRP became an item sold through former Janssen distributors and customers (RDI, Accurate Chemical & Scientific Corp., CLB).
Currently our products and services are available in the United States and worldwide through Fitzgerald Industries International: Fitzgerald Industries International Funakoshi Co. Ltd is an exclusive distributor of our reagents in Japan: Funakoshi Co. Ltd Dr. E. E. Efremov distributes SDT products in Russia and CIS. Streptavidin-PolyHRP20, 40 & 80 are being offered by several other larger VAR/OEM customers and their distributors under different generic names, with no indication of specific HRP polymerization grade. A number of Life Science Research and IVD manufacturing companies and immunoassay test kit assemblers have been utilizing Streptavidin-PolyHRP conjugates in many Ultra-Sensitive and High Sensitivity ELISA and ELISPOT test kits (primarily for cytokines) and e.g. HIV 4G test kits (donor blood screening), friquently with no disclosure of polymeric nature of "Streptavidin-HRP" conjugate used in the kit. For details on how to place a purchase order directly with SDT(non-Japanese customers) please refer to the General Ordering Information section. |