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A METHOD FOR THE QUANTITATIVE DETERMINATION OF TRYPSIN AND PEPSIN
1Laboratories of The Rockefeller Institute for Medical Research.
A new quantitative method uses viscosity changes to measure relative amounts of trypsin or pepsin in purified gelatin-enzyme mixtures. Enzyme reaction rates in buffer salts can now be studied using this viscosity-based approach.
Area of Science:
- Biochemistry
- Enzymology
Background:
- Accurate quantification of proteolytic enzymes like trypsin and pepsin is crucial for biochemical research.
- Studying enzyme kinetics in the presence of buffer salts presents analytical challenges.
Purpose of the Study:
- To develop a quantitative method for determining the relative amounts of trypsin or pepsin.
- To enable the study of enzyme reactions in the presence of buffer salts.
Main Methods:
- A quantitative method based on viscosity changes in purified gelatin-enzyme digestion mixtures.
- Measuring the time required for a specific percentage change in viscosity.
Main Results:
- The time required for a given viscosity change is inversely proportional to the enzyme concentration.
- The method is applicable to purified gelatin and trypsin solutions.
Conclusions:
- This viscosity-based method provides a reliable way to quantify relative enzyme amounts.
- The technique facilitates the study of enzyme kinetics in buffered solutions.
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