"Factor" Related Products

        Factor XIIa Activity Assay Kit (Colorimetric)

        Cat.No. : Kit-1054
        Description : Factor XII or Hageman factor (EC 3.4.21.38), is the zymogen form of factor XIIa, a serine protease involved in Coagulation Pathway. This single chain zymogen is activated by Kallikrein into a two-chain serine protease (XIIa) with a heavy chain (factor XIIa-alpha) and a light chain. Human Factor XII and Prekallikrein are thought to be involved in a reciprocal activation mechanism in which Factor XIIa activates Prekallikrein to Kallikrein, which in turn converts Factor XII to XIIa. Factor XIIa activates Factor XI to XIa thereby triggering the Contact Factor cascade. The defects in this gene do not cause any clinical symptoms but prolong the whole blood clotting time. Factor XIIa activity assay kit utilizes the ability of factor XIIa to cleave a synthetic substrate to release p-Nitroaniline (pNA) which can be quantitatively measured by a colorimetric assay (OD405 nm). The kit is easy-to-use and can detect Factor XIIa (as low as 1 mPEU) from plasma sampless.
        Applications : Measurement of Factor XIIa activity in plasma samples and purified/crude enzyme preparations
        Storage : -20°C
        Shipping : Gel Pack
        Size : 100 assays
        Kit Components : FXIIa Assay Buffer; FXIIa Activator; FXIIa Substrate; Human Factor XIIa; Human Factor XIIa Supplement; FXIIa Inhibitor; pNA Standard (0.1 M)
        Target Species : Mammalians
        Detection method : Colorimetric (Absorbance 405 nm)
        Features & Benefits : Simple, rapid & convenient assay to measure Factor XIa;
        Includes Positive Control and Factor XIIa and Factor XIIa Inhibitors

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