The Gravitational Plant Physiology Facility--description of equipment developed for biological research in Spacelab [0.03%]
空间站生物学研究设备——用于植物学研究的重力装置描述
D G Heathcote,D K Chapman,A H Brown et al.
D G Heathcote et al.
In January 1992, the NASA Shuttle mission STS 42 carried a facility designed to perform experiments on plant gravi- and photo-tropic responses. This equipment, the Gravitational Plant Physiology Facility (GPPF) was made up of a number of in...
Effect of microgravity on collagenase deproteinization and EDTA decalcification of bone fragments [0.03%]
微重力对骨碎片胶原酶脱蛋白质和乙二胺四乙酸脱钙的影响
S J Simske,M W Luttges
S J Simske
Undecalcified (n = 140) and decalcified (n = 11) bone fragments were treated with either collagenase (to remove collagen portion; undecalcified n = 64, decalcified n = 11) or EDTA (to remove mineral portion; n = 76) under the reduced gravit...
Comparative Study
Microgravity science and technology. 1994 Sep;7(3):266-9. DOI: 1994
Crystallization of the EGF receptor ectodomain on US space mission STS-47 [0.03%]
EGF受体细胞外区在太空飞船STS-47上的结晶实验
Betzel Chr,N Gunther,S Poll et al.
Betzel Chr et al.
Although biochemists working in the field of biological signal transduction have characterized cell surface receptors for numerous growth factors within the past ten years, none of the three-dimensional structures could be obtained for thes...
D Essfeld
D Essfeld
Exercise appears in various contexts during spaceflight. It serves as a key countermeasure against adverse physiological adaptation processes; it also plays a role in life sciences research as reference state or stimulus. Further aspects co...
R J White,J I Leonard,L Leveton et al.
R J White et al.
The U.S. space program is undertaking a serious examination of new initiatives in human space exploration involving permanent colonies on the Moon and an outpost on Mars. Life scientists have major responsibilities to the crew, to assure th...
R Hampp,B Naton,E Hoffmann et al.
R Hampp et al.
Electrofusion of evacuolated with vacuolated mesophyll protoplasts of Nicotiana spec. was performed as part of the German Sounding Rocket Program (TEXUS). The results indicate a significant increase not only in the yield of 1:1 fusion produ...
M Ayed,O Pironneau,H Planel et al.
M Ayed et al.
We have investigated both theoretically and experimentally the validity of the fast rotating clinostat to simulate microgravity for a free swimming single-cell organism such as the paramecium. Computer simulations show that cells on suspens...
The effects of microgravity on the character of progeny of Drosophila melanogaster [0.03%]
微重力对果蝇后代表型的影响
X G Li,G Z Wang
X G Li
To study how the microgravitational environment influences the character of the progeny of Drosophila melanogaster, the S1 insects produced during the 8-days of space flight were self-bred for four generations. Higher variational rate was f...
S N Majhi,V R Nair
S N Majhi
The blood behaviour in human circulatory system observed during space flights reveals that the microgravity environment reduces the flow rate and increases the haematocrit compared with the situation on the earth surface. The present study ...
Responses of the photosynthetic flagellate, Euglena gracilis, to microgravity [0.03%]
微重力对眼虫(Euglena gracilis)光合作用的影响
D P Hader,K Vogel,J Schafer
D P Hader
Motility and orientation have been studied in the unicellular photosynthetic flagellate. Euglena gracilis, using real time image analysis capable of tracking up to 200 cells simultaneously before, during and after a sounding rocket (TEXUS) ...