Related Experiment Video
Updated: Jul 14, 2026
08:27
Aqueous Droplets Used as Enzymatic Microreactors and Their Electromagnetic Actuation
Published on: August 28, 2017
Development of a microfluidic immobilised enzyme reactor
Malene S Thomsen1, Peter Pölt, Bernd Nidetzky
1Research Centre Applied Biocatalysis, Petersgasse 14, A-8010 Graz, Austria.
Chemical Communications (Cambridge, England)
|June 15, 2007
Summary
A novel microfluidic reactor enabled steady-state kinetic studies of a thermophilic beta-glycosidase enzyme. This system achieved continuous lactose conversion at 80°C.
Area of Science:
- Biochemistry
- Enzyme kinetics
- Microfluidics
Background:
- Enzyme reactors are crucial for biocatalysis.
- Characterizing enzyme kinetics under various conditions is important for industrial applications.
- Microfluidic devices offer precise control for enzyme assays.
Purpose of the Study:
- To characterize the steady-state kinetics of a thermophilic beta-glycosidase.
- To demonstrate continuous lactose conversion using a microfluidic enzyme reactor.
- To investigate enzyme performance under pressure-driven flow at elevated temperatures.
Main Methods:
- Fabrication of a silicone rubber-based microfluidic reactor with a catalytically functionalized microstructure.
- Utilizing pressure-driven flow for enzyme kinetic studies.
- Performing continuous conversion of lactose at 80°C.
Main Results:
- Successful steady-state kinetic characterization of the thermophilic beta-glycosidase.
- Demonstration of continuous lactose conversion within the microfluidic reactor.
- Enzyme stability and activity maintained at 80°C under flow conditions.
Conclusions:
- Microfluidic immobilized enzyme reactors are effective for enzyme kinetic studies.
- The developed reactor facilitates efficient and continuous biocatalytic processes.
- Thermophilic beta-glycosidase shows potential for industrial lactose conversion applications.
