Paul W Baker,Michelle L Meyer,Laura G Leff
Paul W Baker
Bacteria exhibit varying responses to modeled reduced gravity that can be simulated by clino-rotation. When Escherichia coli was subjected to different rotation speeds during clino-rotation, significant differences between modeled reduced g...
Comparative Study
Microgravity science and technology. 2004;15(4):39-44. DOI:10.1007/BF02870967 2004
Gravitactic signal transduction elements in Astasia longa investigated during parabolic flights [0.03%]
低重力下阿氏虫趋地性信号转导蛋白的初步研究
Peter R Richter,Martin Schuster,Michael Lebert et al.
Peter R Richter et al.
Euglena gracilis and its close relative Astasia longa show a pronounced negative gravitactic behavior. Many experiments revealed that gravitaxis is most likely mediated by an active physiological mechanism. The goal of the present study was...
The space experiment of protein crystallization aboard the Chinese spacecraft SZ-3 [0.03%]
中国神舟三号飞船搭载的空间蛋白质结晶实验
Huai-Xing Cang,Yao-Ping Wang Yi Han,Jun-Xian Zhou et al.
Huai-Xing Cang et al.
Using new flight hardware, a Chinese mission of space protein crystallization has been performed aboard the Chinese spacecraft SZ-3. Preliminary analyses of the experimental results have shown that a few proteins produced better crystals in...
Effect of convective disturbances induced by g-jitter on the periodic precipitation of lysozyme [0.03%]
重力搅动对蚕豆素结晶周期性沉淀影响的实验研究
M Lappa,L Carotenuto
M Lappa
Numerical simulations are carried out to investigate the crystallization process of a protein macromolecular substance under two different conditions: pure diffusive regime and microgravity conditions present on space laboratories. The conf...
Comparative Study
Microgravity science and technology. 2003;14(2):41-56. DOI:10.1007/BF02870315 2003
F Peluso,D Castagnolo,C Albanese
F Peluso
The space experiment TRAMP (Thermal Radiation Aspects of Migrating Particles) flown in 1999 onboard the mission Foton 12 sponsored by the European Space Agency (ESA), was conceived to reveal and measure a new kind of forces, named Thermal R...
Effects of space flight, clinorotation, and centrifugation on the substrate utilization efficiency of E. coli [0.03%]
空间飞行、轨道旋转和离心对大肠杆菌底物利用效率的影响
Robert B Brown,D Klaus,P Todd
Robert B Brown
Cultures of Escherichia coli grown in space reached a 25% higher average final cell population than those in comparably matched ground controls (p
Comparative Study
Microgravity science and technology. 2002;13(4):24-9. DOI:10.1007/BF02881678 2002
CECILIA, a versatile research tool for cellular responses to gravity [0.03%]
一种研究细胞重力响应的多功能工具CELLICIA
Richard Braucker,Hans Machemer
Richard Braucker
We describe a centrifuge designed and constructed according to current demands for a versatile instrument in cellular gravitational research, in particular protists (ciliates, flagellates). The instrument (called CECILIA, centrifuge for cil...
Bacteriorhodopsin crystal growth in reduced gravity--results under the conditions, given in CPCF on board of a Space Shuttle, versus the conditions, given in DCAM on board of the Space Station Mir [0.03%]
微重力条件下细菌视紫红质的结晶生长——在航天飞机上的细胞培养容器和和平号空间站样本仓中实验条件下的对比研究结果
Ch Zorb,A Weisert,J Stapelmann et al.
Ch Zorb et al.
For the purpose of bio-electronics, bacteriorhodopsin was crystallized into two habits through liquid-liquid-diffusion, namely individual needles of up to 1.9 mm in length and needle bunch-like clusters of up 4.9 mm in total length. In both...
Comparative Study
Microgravity science and technology. 2002;13(3):22-9. DOI:10.1007/BF02872073 2002
Theory and simulation of buoyancy-driven convection around growing protein crystals in microgravity [0.03%]
微重力环境下蛋白质晶体生长的浮力对流理论与模拟研究
L Carotenuto,J H E Cartwright,D Castagnolo et al.
L Carotenuto et al.
We present an order-of-magnitude analysis of the Navier-Stokes equations in a time-dependent, incompressible and Boussinesq formulation. The hypothesis employed of two different length scales allows one to determine the different flow regim...
M Goldermann,W Hanke
M Goldermann
The effects of gravity on alamethicin doped planar lipid bilayers and on reconstituted porins of Escherichia coli outer membrane, respectively, have been investigated in this paper. The aim of the study was to find out whether and how gravi...