نتایج جستجو برای: cell membranes
تعداد نتایج: 1742642 فیلتر نتایج به سال:
Cobaltabisdicarbollide (COSAN) [3,3'-Co(1,2-C2B9H11)2](-), is a complex boron-based anion that has the unusual property of self-assembly into membranes and vesicles. These membranes have similar dimensions to biological membranes found in cells, and previously COSAN has been shown to pass through synthetic lipid membranes and those of living cells without causing breakdown of membrane barrier p...
The lipid bilayer of model membranes, liposomes reconstituted from cell lipids, and plasma membrane vesicles and spheres can separate into two distinct liquid phases to yield lipid domains with liquid-ordered and liquid-disordered properties. These observations are the basis of the lipid raft hypothesis that postulates the existence of cholesterol-enriched ordered-phase lipid domains in cell me...
The development of in vitro investigation models could be important using sensitive and fast methods during formulation. Intranasal applied drugs (meloxicam, lamotrigine, levodopa) avoid the gastrointestinal tract can achieve higher bioavailability, therefore a penetration extent is key property. In this study, adaptability modified horizontal diffusion cell was tested by these model active pha...
The use of thin polybenzimidazole membranes in high-temperature polymer electrolyte membrane fuel cells is explored. Membranes thickness 10–40 μm are prepared, doped and characterized, including cell test. High molecular weight polymers enable fabrication as 10 with sufficient mechanical strength. membranes, upon acid doping, exhibit comparable conductivity hence decreased ohmic resistance. Mem...
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