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Updated: Jul 20, 2025
08:22
Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
Published on: August 6, 2018
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Time-resolved molecular measurements reveal changes in astronauts during spaceflight
Minzhang Zheng1,2, Jacqueline Charvat3, Sara R Zwart4
1Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, United States.
Frontiers in Physiology
|July 31, 2023
Summary
Astronauts experience physiological changes in space due to hazards like low gravity and radiation. This study monitored biochemical and immune markers over time to understand these spaceflight effects on astronaut health.
Area of Science:
- Space Medicine
- Human Physiology
- Biochemistry
Background:
- Astronauts face significant health hazards during spaceflight, including microgravity, radiation, and isolation.
- These factors can cause adverse physiological changes, requiring monitoring and countermeasures.
- Understanding these changes is crucial for ensuring astronaut well-being during long-duration missions.
Purpose of the Study:
- To conduct a time-resolved assessment of spaceflight's impact on astronaut physiology.
- To analyze biochemical and immune measurements before, during, and after long-duration orbital missions.
- To identify individual and group-level physiological changes associated with space travel.
Main Methods:
- Collected biochemical and immune data from 27 astronauts.
- Performed time-resolved analysis of biological signals.
- Compared measurements taken before, during, and after spaceflight.
Main Results:
- Identified space-associated physiological changes in astronauts.
- Observed associations with bone resorption and kidney function.
- Detected immune system dysregulation in astronauts.
Conclusions:
- Time-resolved analysis reveals significant physiological impacts of spaceflight on astronauts.
- Findings highlight risks to bone health, kidney function, and immune system regulation.
- This research supports the development of countermeasures and monitoring strategies for astronaut health.
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