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Remote controlled equipment for multiple blood withdrawal in gravitational physiology experiments
Ivan Frollo1, Bransislav Banic, Boris Mravec
1Institute of Measurement Sciences, SAS, Bratislava, Slovakia. frollo@savba.sk
Journal of Gravitational Physiology : a Journal of the International Society for Gravitational Physiology
|March 9, 2004
Summary
Researchers developed novel electro-mechanical equipment for repeated blood collection in small animals during centrifugation. This system enables studying hypergravity and microgravity effects on physiological processes.
Area of Science:
- Biomedical Engineering
- Space Physiology
- Animal Research
Background:
- Studying physiological responses to altered gravity is crucial for both space exploration and understanding terrestrial conditions.
- Current methods for blood sampling in small animals under simulated or actual altered gravity are often invasive and limited.
- Understanding neuroendocrine and metabolic changes under varying gravitational forces requires precise and repeatable physiological measurements.
Purpose of the Study:
- To develop and validate electro-mechanical equipment for automated, multiple blood withdrawals from small animals.
- To enable the study of physiological effects of hypergravity (up to 6g) and microgravity on animal models.
- To investigate the mechanisms underlying changes in the neuroendocrine system and metabolic processes under altered gravitational conditions.
Main Methods:
- Development of a telemetrically regulated system with a transmitter and receiver, controlled by microcomputers.
- Integration of active rotor stepping motors to drive four pairs of syringes for blood collection.
- Inclusion of an accelerometric transducer for real-time measurement of instantaneous gravitational force.
- Application of the equipment to a centrifuge for gravitational overloading experiments.
Main Results:
- Successful development and testing of electro-mechanical equipment for multiple blood withdrawals.
- Demonstrated capability for telemetrically regulated blood sampling under varying gravitational forces.
- Validated the system's functionality for studying hypergravity effects during centrifugation.
- Established potential for application in microgravity research during space flights.
Conclusions:
- The developed equipment provides a novel tool for studying the physiological impact of altered gravity on small animals.
- This technology facilitates research into the neuroendocrine and metabolic adaptations to hypergravity and microgravity.
- The system supports advancements in both ground-based simulated gravity research and in-flight space biology studies.