منابع مشابه
Lipid tubule growth by osmotic pressure.
We present here a procedure for growing lipid tubules in vitro. This method allows us to grow tubules of consistent shape and structure, and thus can be a useful tool for nano-engineering applications. There are three stages during the tubule growth process: initiation, elongation and termination. Balancing the forces that act on the tubule head shows that the growth of tubules during the elong...
متن کاملOsmotic Volume Flow in the Proximal Tubule of Necturus Kidney
Volume changes due to osmotic flow in the distal portion of proximal tubules of Necturi were measured by the split oil drop technique. In agreement with previous findings no volume flow was induced by NaCl concentrations close to 60 mM. The tubule wall was found to be permeable to plasma electrolytes, which have an apparent reflection coefficient of 0.69. The mean apparent hydraulic conductivit...
متن کاملStability of Colloid Osmotic Pressure of Serum Protein By
The work of earlier investigators, Govaerts (1), Barath (2), Cope (3), Peters et al. (4) and Kylin (5) has given the impression that the colloid osmotic pressure is not only lowered with decrease in serum protein but its specific pressure (pressure per unit of protein) is also diminished. The lowering of specific pressure has usually been related to a greater decrease in the albumin fraction of...
متن کاملSelf-assembled polymer membrane capsules inflated by osmotic pressure.
We fabricate and characterize capsules that are composite membranes, made of a polymer network stabilized by adsorption to colloids and inflated by osmotic pressure from internal free polyelectrolyte; here, poly-l-lysine forms the network and inflates the capsules. To assess these capsules' properties and structure, we deform capsules using microcantilevers and use finite element modeling to de...
متن کاملInfluence of Osmotic Pressure on Sporulation by Bacillus Subtilis.
Studies on the physiology of bacterial endospore formation have in many cases involved the addition of one or more compounds to a basal medium, and a determination of the effect of these upon the percentage of cells appearing as spores. The consequences, so far as the spore crop is concerned, of the addition of electrolytes (FITZ-GERALD, 5; FABiAN and BRYAN, 3), fermentable carbohydrates (ESTY,...
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ژورنال
عنوان ژورنال: Journal of The Royal Society Interface
سال: 2013
ISSN: 1742-5689,1742-5662
DOI: 10.1098/rsif.2013.0637