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Viscosity measurement using drop coalescence in microgravity
We present in here validation studies of a new method for application in microgravity environment which measures the viscosity of highly viscous...
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Ion Transport in Solutions
Define flux, diffusion, migration and hydrodynamic flow. What forces are responsible for the movement of mass and charge, and the diffusional flux of... -
Self-Association of Asphaltenes
Asphaltene represents the most refractory fraction of petroleum liquids. It is defined by the solubility in alkyl solvents, such as pentane or... -
E
Large birds of prey with strong hooked beaks, large curved claws, and powerful flight. The American golden eagle, Aquila chrysaetus... -
Deposition, Adhesion, and Release of Bioaerosols
Bioaerosols typically consist of a range of particle sizes and shapes. Further, each particle, even if it is a single, “simple” bacterium, may have a... -
The rheology and microstructure of charged colloidal suspensions
The effects of electric charge interation and particle correlations on suspension rheology are examined. A one-component fluid analysis using a...
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Physical principles and methods in biology
The sometimes spectacular advances made recently in biological research could not have occurred if it was not recognized that the behavior of life... -
Theoretical Physics and Biology
This is the title given to the first Versailles meeting arranged by the Institut de la Vie in 1967 (cf. Marois 1969). Its history goes back to about... -
Shape of phosphofructokinase fromEscherichia coli in solution
Small angle X-ray scattering measurements and electron microscopic studies were carried out on E. coli phosphofructokinase (E.C. 2.7.1.11; ATP:...
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Dynamic Aspects of the Molecular Architecture of Photoreceptor Membranes
The purpose of future studies on the fine structure of the light- -trap** device of photoreceptors,the so-called visual cells outer segment, is, as... -
States of Macromolecular Aggregation
The atoms in the molecules of organic compounds are held together by attraction forces, which are generally known as covalent bonds. The attraction... -
Osmosis, Diffusion and Brownian Motion
In 1748 Nollet showed that if an animal bladder was used to separate water and alcohol, water passed through the bladder into the... -
The Properties of the Individual Macromolecule
Even before the start of Staudinger’s work on macromolecular compounds, it was known that starch and cellulose must be polymers of glucose, since...