Related Experiment Video
Updated: Feb 12, 2026

Enzymatic Cascade Reactions for the Synthesis of Chiral Amino Alcohols from L-lysine
Published on: February 16, 2018
Show Yourself, Asparaginase: An Enzymatic Reaction Explained through a Hands-On Interactive Activity
Josell Ramirez-Paz1, Bonny M Ortiz-Andrade2,3, Kai Griebenow1
1Department of Chemistry, Faculty of Natural Sciences, University of Puerto Rico, Rio Piedras Campus, P.O. Box 70377, San Juan, Puerto Rico 00936-8377, United States.
This study introduces an inexpensive, hands-on classroom activity to identify enzymes like asparaginase by measuring their catalytic activity. It aims to inspire students about protein-based drugs and scientific careers.
Area of Science:
- Biochemistry
- Biotechnology Education
Background:
- Enzyme identification is crucial for purification and isolation.
- Protein-based drugs represent an emerging field with career potential.
Purpose of the Study:
- To develop an accessible, interactive classroom activity demonstrating enzymatic activity.
- To distinguish a medically relevant enzyme (asparaginase) from a nonenzymatic protein.
- To promote bionanotechnology careers and a positive image of scientists.
Main Methods:
- Designed a hands-on experiment for classroom use.
- Utilized asparaginase as the model enzyme.
- Adapted the activity for diverse educational levels (elementary to high school).
Main Results:
- Successfully distinguished asparaginase from a nonenzymatic protein based on catalytic activity.
- The activity is inexpensive and adaptable to various educational settings.
- Demonstrated the practical application of enzyme kinetics in a learning environment.
Conclusions:
- Enzymatic activity is a viable method for enzyme identification in educational settings.
- This activity effectively engages students with protein-based drug concepts and bionanotechnology.
- The experiment provides a realistic and accessible portrayal of scientific work.
Related Concept Videos
Reaction Mechanisms
For instance, the decomposition of ozone appears to follow a mechanism with two steps:
Cycloaddition Reactions: MO Requirements for Thermal Activation
Hand hygiene
Hand washing...
Cycloaddition Reactions: MO Requirements for Photochemical Activation
Temperature Dependence on Reaction Rate
Atoms, molecules, or ions must collide before they can react with each other. Atoms must be close together to form chemical bonds. This premise is the basis for a theory that explains many observations regarding chemical kinetics, including factors affecting reaction rates.
The collision theory is based on the postulates that (i) the reaction rate is proportional to the rate of reactant collisions, (ii) the reacting species collide in an orientation allowing contact between...
Kinetic Molecular Theory and Gas Laws Explain Properties of Gas Molecules

