Results 141 to 150 of about 38,078 (231)

Influence of microgravity on spontaneous calcium activity of primary hippocampal neurons grown in microfluidic chips

npj Microgravity
The influence of variations of gravity, either hypergravity or microgravity, on the brain of astronauts is a major concern for long journeys in space, to the Moon or to Mars, or simply long-duration missions on the ISS (International Space Station ...
Pierre-Ewen Lecoq, Chloé Dupuis, Xavier Mousset, Xavier Benoit-Gonnin, Jean-Michel Peyrin, Jean-Luc Aider   +5 more
doaj   +1 more source

Next-generation sequencing analysis of circulating micro-RNA expression in response to parabolic flight as a spaceflight analogue. [PDF]

NPJ Microgravity, 2020
Jirak P, Wernly B, Lichtenauer M, Franz M, Knost T, Abusamrah T, Kelm M, Bimpong-Buta NY, Jung C.   +8 more
europepmc   +1 more source

Guidance analysis of the aeroglide plane change maneuver as a turning point problem [PDF]

The development of guidance approximations for the atmospheric (aeroglide) portion of the minimum fuel, orbital plane change, trajectory optimization problem is described.
Gracey, Christopher
core   +1 more source

Methods for Experimental Planetary Geology in Reduced-gravity Parabolic Flight: A Case Study of Researching Impact Crater Ejecta

The Planetary Science Journal
Geologists have long conducted laboratory experiments to offer a controlled environment for understanding processes that occur in nature and linking those processes with natural geologic landforms.
Kirby D. Runyon, Daniel D. Durda, Viliam Klein, Constantine C. C. Tsang, Chloe B. Beddingfield, Carolyn M. Ernst, Olivier S. Barnouin, H. Todd Smith   +7 more
doaj   +1 more source

Brain stimulation in zero gravity: transcranial magnetic stimulation (TMS) motor threshold decreases during zero gravity induced by parabolic flight. [PDF]

NPJ Microgravity, 2020
Badran BW, Caulfield KA, Cox C, Lopez JW, Borckardt JJ, DeVries WH, Summers P, Kerns S, Hanlon CA, McTeague LM, George MS, Roberts DR.   +11 more
europepmc   +1 more source

Analysis of a communication satellite for lunar far-side exploration [PDF]

Analysis of communication satellite for lunar far-side exploration relaying color television, voice, high-bit-rate telemetry data, and ranging code from command and service, and lunar ...
Goodwin, C. H., Kurland, J. R.
core   +1 more source

Development and flight test of a helicopter compact, portable, precision landing system concept [PDF]

An airborne, radar-based, precision approach concept is being developed and flight tested as a part of NASA's Rotorcraft All-Weather Operations Research Program.
Bull, J. S., Chisholm, J. P., Clary, G. R., Davis, T. J.   +3 more
core   +1 more source

Cerebral hemodynamics during parabolic flight

Pathophysiology, 1994
T. Ueno, S. Yoshimoto, A. Miyamoto, S. Nagaoka, T. Konishi, M. Yamagata, S. Watanabe   +6 more
openaire   +1 more source

Handheld Point-of-Care Ultrasonography for Gynecology: Insights Into Space Travel Through Parabolic Flight. [PDF]

Obstet Gynecol
Mathyk B, Pandya S, Wright Beatty H, Anderson ML, Kohut A.   +4 more
europepmc   +1 more source

Evaluation of prototype Advanced Life Support (ALS) pack for use by the Health Maintenance Facility (HMF) on Space Station Freedom (SSF) [PDF]

The purpose is to evaluate the prototype Advanced Life Support (ALS) Pack which was developed for the Health Maintenance Facility (HMF). This pack will enable the Crew Medical Officer (CMO) to have ready access to advanced life support supplies and ...
Gosbee, John, Kizzee, Victor D., Krupa, Debra T., Murphy, Linda   +3 more
core   +1 more source