Advantages and Limitations of Current Microgravity Platforms for Space Biology Research

Abstract

Human Space exploration has created new challenges and new opportunities for science. Reaching beyond the Earth&rsquos surface has raised the issue of the importance of gravity for the development and the physiology of biological systems, while giving scientists the tools to study the mechanisms of response and adaptation to the microgravity environment. As life has evolved under the constant influence of gravity, gravity affects biological systems at a very fundamental level. Owing to limited access to spaceflight platforms, scientists rely heavily on on-ground facilities that reproduce, to a different extent, microgravity or its effects. However, the technical constraints of counterbalancing the gravitational force on Earth add complexity to data interpretation. In-flight experiments are also not without their challenges, including additional stressors, such as cosmic radiation and lack of convection. It is thus extremely important in Space biology to design experiments in a way that maximizes the scientific return and takes into consideration all the variables of the chosen setup, both on-ground or on orbit. This review provides a critical analysis of current ground-based and spaceflight facilities. In particular, the focus was given to experimental design to offer the reader the tools to select the appropriate setup and to appropriately interpret the results.

Cite this article

Ferranti F, Del Bianco M, Pacelli C. Advantages and Limitations of Current Microgravity Platforms for Space Biology Research. Applied Sciences. 2021; 11(1):68.https://doi.org/10.3390/app11010068

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