For Research Use Only. Not for Use in Diagnostic Procedures. Two-site ELISA method for the measurement of full length Tissue Factor (TF, full length) in human plasma or purified milieu. The kit uses a biotin-streptavidin-HRP system to enhance greatly the sensitivity, thus permitting to detect TF concentration as low as 50 pg/mL. This is an ON-DEMAND item which requires minimum order quantity and extended lead time. Please Contact Us for a quote.