Overview
Human thrombin is a critical enzyme in the blood coagulation cascade, derived from prothrombin activation. It plays a pivotal role in converting fibrinogen into fibrin, forming the structural basis of blood clots. Thrombin is extensively utilized in medical settings, particularly in surgeries and trauma care, to control bleeding and promote wound healing. Its high specificity and efficiency make it indispensable in both therapeutic and diagnostic applications. Thrombin is typically sourced from human plasma or produced via recombinant DNA technology, ensuring purity and safety for clinical use.
Physical and Chemical Properties
Human thrombin is a serine protease with a molecular weight of approximately 37,000 Daltons. It appears as a white to off-white lyophilized powder and is soluble in water. The enzyme operates optimally at physiological pH and temperature, making it highly effective in biological systems. Thrombin's activity is tightly regulated by natural inhibitors like antithrombin III, which prevents excessive clotting. Its stability is maintained under controlled storage conditions, typically at 2-8°C, to preserve enzymatic activity over time.
Main Applications
Thrombin is primarily used in hemostasis during surgical procedures, particularly in cardiovascular, orthopedic, and trauma surgeries. It is applied topically or via sponge formulations to control bleeding effectively. Beyond surgery, thrombin is employed in diagnostic assays to measure clotting times and assess coagulation disorders. It also finds use in research laboratories for studying blood coagulation mechanisms and developing new therapeutic agents.
Safety and Storage
Human thrombin must be handled with care to avoid contamination or accidental exposure. It should be stored at 2-8°C in a dry, sterile environment to maintain its stability and efficacy. Reconstituted solutions should be used immediately or stored for short periods under refrigeration. Safety measures include wearing protective gloves and eyewear, and working in a biosafety cabinet when handling lyophilized or liquid forms. Proper disposal of unused material is essential to prevent environmental contamination.
B2B Procurement Guide
When procuring human thrombin, B2B buyers should prioritize suppliers who adhere to Good Manufacturing Practices (GMP) and provide detailed certificates of analysis. These documents should confirm purity, potency, and absence of contaminants. Price ranges vary based on purity and sourcing method, with recombinant thrombin often commanding a premium. Bulk purchases may offer cost advantages, but buyers should ensure proper storage and handling protocols are in place to maintain product integrity.
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