Results 31 to 40 of about 4,869 (218)

Measuring Intracellular Viscosity in Conditions of Hypergravity [PDF]

open access: yesBiophysical Journal, 2019
Gravity-sensitive cellular responses are regularly observed in both specialized and nonspecialized cells. One potential mechanism for this sensitivity is a changing viscosity of the intracellular organelles. Here, we report a novel, to our knowledge, viscosity-sensitive molecular rotor based on mesosubstituted boron-dipyrrin used to investigate the ...
Woodcock, EM   +7 more
openaire   +7 more sources

Hypergravity-induced changes in actin response of breast cancer cells to natural killer cells

open access: yesScientific Reports, 2021
Although immunotherapy holds promising cytotoxic activity against lymphoma or leukemia, the immunosuppressive mechanisms of solid tumors remain challenging.
Minseon Lee, Dongjoo Kim, Soonjo Kwon
doaj   +1 more source

Fault rupture propagation in soil with intercalation using nonlocal model and softening modulus modification

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2023
Fault rupture propagation is more complex in the overlying soil with intercalation than in homogeneous soil, and it is challenging to simulate this phenomenon accurately using the finite element method.
Jisen Shi   +4 more
doaj   +1 more source

Hypogravity research and educational parabolic flight activities conducted in Barcelona: a new Hub of innovation in Europe [PDF]

open access: yes, 2016
We report on different research and educational activities related to parabolic flights conducted in Barcelona since 2008. We use a CAP10B single-engine aerobatic aircraft flying out of Sabadell Airport and operating in visual flight conditions providing
López Álvarez, David   +2 more
core   +2 more sources

An instrumented centrifuge for studying mouse locomotion and behaviour under hypergravity

open access: yesBiology Open, 2019
Gravity may influence multiple aspects of legged locomotion, from the periods of limbs moving as pendulums to the muscle forces required to support the body.
Benjamin J. H. Smith, James R. Usherwood
doaj   +1 more source

Case Report: No Evidence of Intracranial Fluid Shifts in an Astronaut Following an Aborted Launch

open access: yesFrontiers in Neurology, 2021
Spaceflight induces lasting enlargement of the brain's ventricles as well as intracranial fluid shifts. These intracranial fluid shifts have been attributed to prolonged microgravity exposure, however, the potential effects of hypergravity exposure ...
Heather R. McGregor   +8 more
doaj   +1 more source

Hypersymmetry bounds and three-dimensional higher-spin black holes [PDF]

open access: yes, 2015
We investigate the hypersymmetry bounds on the higher spin black hole parameters that follow from the asymptotic symmetry superalgebra in higher-spin anti-de Sitter gravity in three spacetime dimensions.
Henneaux, Marc   +3 more
core   +2 more sources

Impacts of the Spaceflight to the Immune System

open access: yesHanggong uju uihakoeji, 2021
Changes the gravity has a significant affect on the immune system. Astronauts experience the gravity changing during spaceflight, especially when launching and landing they experience hypergravity, and during spaceflight they feel microgravity.
Doston Sultonov, Young Hyo Kim
doaj   +1 more source

A firmer understanding of the effect of hypergravity on thyroid tissue: cholesterol and thyrotropin receptor. [PDF]

open access: yesPLoS ONE, 2014
Maintaining a good health requires the maintenance of a body homeostasis which largely depends on correct functioning of thyroid gland. The cells of the thyroid tissue are strongly sensitive to hypogravity, as already proven in mice after returning to ...
Elisabetta Albi   +8 more
doaj   +1 more source

Microgravity and Hypergravity Induced by Parabolic Flight Differently Affect Lumbar Spinal Stiffness

open access: yesFrontiers in Physiology, 2020
The objective of this study was to determine the response of the lumbar spinal motor control in different gravitational conditions. This was accomplished by measuring indicators of lumbar motor control, specifically lumbar spinal stiffness, activity of ...
Jaap Swanenburg   +8 more
doaj   +1 more source

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