Design of a spaceflight biofilm experiment
Acta Astronautica, 2018 Biofilm growth has been observed in Soviet/Russian (Salyuts and Mir), American (Skylab), and International (ISS) Space Stations, sometimes jeopardizing key equipment like spacesuits, water recycling units, radiators, and navigation windows. Biofilm formation also increases the risk of human illnesses and therefore needs to be well understood to enable ...
Luis Zea +11 more
openaire +6 more sources
A magnetic levitation based low-gravity simulator with an unprecedented large functional volume [PDF]
arXiv, 2021 Low gravity environment can have a profound impact on the behaviors of biological systems, the dynamics and heat transfer of fluids, and the growth and self-organization of materials. Systematic research on the effects of gravity is crucial for advancing our knowledge and for the success of space missions.
arxiv
“Semper supra”? Trump administration policy narratives and the creation of the space force
Review of Policy Research, EarlyView.Abstract In 2019, the Donald Trump administration rejected the draft Treaty on the Prevention of Placement of Weapons in Space (PPWT) in the UN Conference on Disarmament and instead created the Space Force, the first new US military service branch established in decades.
Jeffrey S. Lantis
wiley +1 more source
The Trends in Global Gene Expression in Mouse Embryonic Stem Cells During Spaceflight
Frontiers in Genetics, 2019 The environment in space differs greatly from the environment on the ground. Spaceflight causes a number of physiological changes in astronauts, such as bone loss and immune system dysregulation.
Lili An +18 more
doaj +1 more source
Explainable machine learning identifies multi-omics signatures of muscle response to spaceflight in mice [PDF]
arXiv, 2023 The adverse effects of microgravity exposure on mammalian physiology during spaceflight necessitate a deep understanding of the underlying mechanisms to develop effective countermeasures. One such concern is muscle atrophy, which is partly attributed to the dysregulation of calcium levels due to abnormalities in SERCA pump functioning.
arxiv
Experimental Physiology, EarlyView.Abstract Modulation of bone marrow adipose tissue (BMAT) with prolonged inactivity was reported in haemopoietic but not in non‐haemopoietic bones. This prospective randomized controlled trial submitted 16 men and 8 women to 60 days of 6° head‐down‐tilt bed rest.
Tammy Liu +5 more
wiley +1 more source
Treadmill exercise within lower body negative pressure protects leg lean tissue mass and extensor strength and endurance during bed rest. [PDF]
, 2016 Leg muscle mass and strength are decreased during reduced activity and non-weight-bearing conditions such as bed rest (BR) and spaceflight. Supine treadmill exercise within lower body negative pressure (LBNPEX) provides full-body weight loading during BR
Feiveson, Alan H +5 more
core +1 more source
Women in space: A review of known physiological adaptations and health perspectives
Experimental Physiology, EarlyView.Abstract Exposure to the spaceflight environment causes adaptations in most human physiological systems, many of which are thought to affect women differently from men. Since only 11.5% of astronauts worldwide have been female, these issues are largely understudied.
Millie Hughes‐Fulford +4 more
wiley +1 more source
Light has a principal role in the Arabidopsis transcriptomic response to the spaceflight environment
npj MicrogravityThe Characterizing Arabidopsis Root Attractions (CARA) spaceflight experiment provides comparative transcriptome analyses of plants grown in both light and dark conditions within the same spaceflight. CARA compared three genotypes of Arabidopsis grown in
Mingqi Zhou +2 more
doaj +1 more source
Intergalactic spaceflight: an uncommon way to relativistic kinematics and dynamics [PDF]
arXiv, 2006 In the Special Theory of Relativity space and time intervals are different in different frames of reference. As a consequence, the quantity 'velocity' of classical mechanics splits into different quantities in Special Relativity, coordinate velocity, proper velocity and rapidity.
arxiv