A compact automated microprocessor-based stopped-flow analyser
1980
Automated Microprocessor-Based Stopped-Flow Analyser
publication
Evidence: high
Author Information
Author(s): Michael A. Koupparis, Ken M. Walczak, Howard V. Malmstadt
Primary Institution: School of Chemical Sciences, University of Illinois at Urbana-Champaign
Conclusion
The compact stopped-flow autoanalyzer can be used for both equilibrium and reaction rate methods with high accuracy and precision.
Supporting Evidence
- The system demonstrated high precision with a relative standard deviation of 0.08% for dye dilution.
- Results showed a correlation coefficient of 0.9994 for ascorbic acid determination.
- The method for phosphorus determination achieved a correlation coefficient of 0.9998.
- Creatinine determination yielded a correlation coefficient of 0.9994.
- Glucose determination showed a correlation coefficient of 0.9997.
Takeaway
This machine mixes chemicals really fast to help scientists measure things accurately, like how much sugar is in a drink.
Methodology
The system uses a microcomputer to control the mixing and measurement of chemical reactions, allowing for rapid data acquisition and analysis.
Limitations
The system may not be suitable for very fast reactions with half-lives less than 200 milliseconds.
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