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A rapid colorimetric assay for heparinase activity
1Department of Cell Biology and Anatomy, New York Medical College, Valhalla 10595.
Analytical Biochemistry
|August 1, 1991
Summary
A new assay rapidly and sensitively measures heparinase enzyme activity. This method uses the dye Coomassie brilliant blue to detect heparin degradation in various biological samples.
Area of Science:
- Biochemistry
- Enzymology
Background:
- Heparin is a crucial glycosaminoglycan with anticoagulant properties.
- Accurate measurement of heparin-degrading enzymes (heparinases) is vital for biological research.
Purpose of the Study:
- To develop a rapid and sensitive assay for quantifying heparinase activity.
- To enable the study of heparinase in diverse biological matrices and under varying conditions.
Main Methods:
- A colorimetric assay based on the interference of heparin with Coomassie brilliant blue dye binding to proteins.
- Quantification of heparinase activity by measuring the loss of heparin's interference upon enzymatic degradation.
Main Results:
- The assay demonstrates high sensitivity and speed for heparinase detection.
- Heparinase activity can be accurately quantified in purified enzyme preparations, tissue homogenates, and serum.
- The assay is suitable for investigating the influence of pH and temperature on heparinase activity.
Conclusions:
- A novel, sensitive, and rapid assay for heparinase activity has been established.
- This assay facilitates the study of heparinase in complex biological samples and under different environmental conditions.