منابع مشابه
Colloid Osmotic Pressures of Serum Proteins
The albumin component is, by reason of size and net charge and concentration, chiefly responsible for plasmas osmotic activity ( 1) .2 The validity of Starling's hypothesis in the dynamics of water balance in conditions associated with hypoproteinemia has been the subject of considerable recent discussion. The basic experimental problems involved have been considered by some of us in other publ...
متن کاملOsmotic pressures and sedimentation velocity of Gastrophilus methaemoglobin.
In the preceding paper, Keilin & Wang (1946) have described the preparation and properties of the haemoglobin obtained from the tracheal cells of the larva of Gastrophilus (the bot fly). Samples from three of their preparations in the form ofmethaemoglobin were used for measurements of osmotic pressure. The amount of material available was small and the results recorded must be regarded as prov...
متن کاملDynamic behavior of giant liposomes at desired osmotic pressures.
To apply accurate and uniform osmotic pressures to liposomes, they can be formed using the spontaneous transfer method in solutions with different osmolarities. The majority of liposomes unexpectedly opened large holes (several micrometers in diameter) in response to the osmotic pressure regardless of its strength, that is, the difference between the outside and inside solute (sucrose or KCl) c...
متن کاملRole of osmotic and hydrostatic pressures in bacteriophage genome ejection.
A critical step in the bacteriophage life cycle is genome ejection into host bacteria. The ejection process for double-stranded DNA phages has been studied thoroughly in vitro, where after triggering with the cellular receptor the genome ejects into a buffer. The experimental data have been interpreted in terms of the decrease in free energy of the densely packed DNA associated with genome ejec...
متن کاملThe colloid osmotic pressures of invertebrate body fluids.
Colloid osmotic pressures of the body fluids of twenty invertebrate species were measured directly. The results, which are generally lower than predicted values for the same species, pertain to several physiological questions: (1) they do not quantitatively explain the frequently observed hyperosmoticity of body fluids in species believed to be osmoconformers, indicating that the condition cann...
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ژورنال
عنوان ژورنال: Botanical Gazette
سال: 1913
ISSN: 0006-8071
DOI: 10.1086/331189