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Enzyme immobilization on heparin
Journal of Biomedical Materials Research
|September 1, 1978
Summary
Researchers immobilized alpha-chymotrypsin onto heparin using carbodiimide activation. The resulting heparin-bound enzyme retained its kinetic properties, suggesting potential medical applications.
Area of Science:
- Biochemistry
- Enzyme immobilization
- Biomaterials
Background:
- Enzyme immobilization is crucial for enzyme reusability and stability.
- Heparin is a biocompatible polysaccharide with potential for biomaterial applications.
- Alpha-chymotrypsin is a widely studied serine protease.
Purpose of the Study:
- To prepare and characterize heparin-bound alpha-chymotrypsin.
- To investigate the kinetic properties of the immobilized enzyme.
- To explore potential medical applications of this novel conjugate.
Main Methods:
- Heparin activation using water-soluble carbodiimide.
- Covalent immobilization of alpha-chymotrypsin onto activated heparin.
- Enzyme kinetics assays using low-molecular-weight and macromolecular substrates.
Main Results:
- Successful preparation of heparin-bound alpha-chymotrypsin.
- Immobilized enzyme exhibited unchanged kinetic characteristics compared to free enzyme.
- Enzyme activity was maintained for both small and large substrates.
Conclusions:
- Heparin-bound alpha-chymotrypsin is a stable and active immobilized enzyme preparation.
- The method preserves enzymatic activity, making it suitable for various applications.
- This conjugate holds promise for diverse medical and biotechnological uses.