نتایج جستجو برای: external limiting membrane
تعداد نتایج: 644468 فیلتر نتایج به سال:
Pressure retarded osmosis has the potential to utilize the free energy of mixing when fresh river water flows into the sea for clean and renewable power generation. Here, we present a systematic investigation of the performance limiting phenomena in pressure retarded osmosis--external concentration polarization, internal concentration polarization, and reverse draw salt flux--and offer insights...
After chorioretinal biopsy in dogs, obtained without vitreous loss, accessory glial cells and fibroblasts filled the defect between cortical vitreous and bare sclera. The proliferating glial cells laid down a new basement membrane which was complete both on the internal and external aspects of the defect. After biopsy complicated by vitreous loss, however, cellular proliferation failed to re-es...
The ultrastructure of cuticle formation was studied in the third molt of Nippostrongylus brasiIiensis, a parasite of rats. For comparative purposes, early events in the formation of adult cuticle during the fourth molt of Nematospiroides dubitts, a parasite of mice, were also examined. In the former, the third cuticle became separated from the hypodermis plasma membrane, and a filamentous coat ...
The potential drop across a bipolar membrane was measured as a function of the applied current density. As a result, an inflection point was observed in the obtained current-voltage curve at high current density. This inflection point indicates that at high current densities water supply from outside of the bipolar membrane to the interface between a cation and an anion exchange layer is the ra...
Mutations within the CRB1 gene have been shown to cause human retinal diseases including retinitis pigmentosa and Leber congenital amaurosis. We have recently identified a mouse model, retinal degeneration 8 (rd8) with a single base deletion in the Crb1 gene. This mutation is predicted to cause a frame shift and premature stop codon which truncates the transmembrane and cytoplasmic domain of CR...
Landolt's club process has been studied in the adult newt retina. In Golgi preparations this process has been shown to arise from the dendritic trunk of a bipolar cell and, to pass through the external synaptic layer without discernible synapse, apparently to terminate as an enlarged, bulb at the level of the external junctional zone (external limiting membrane). This confirms Landolt's origina...
Integrally-skinned asymmetric Polyetherimide/Poly (vinyl alcohol) (PEI/PVA) hollow fber membranes for pervaporation dehydration were fabricated by non-solvent induced phase inversion. PVA inside the PEI matrix could be crosslinked to provide membrane performance stability during long term operation. The effects of different PEI/PVA blend ratio, external coagulant type and...
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