Ultrathin Alumina Membranes as Scaffold for Epithelial Cell Culture from the Intestine of Rainbow Trout
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A Ca2+ sensor based on the admittance change of synthetic membranes supported on derivatized silicon electrodes is reported. The ion-sensitive membranes consist of mixed monolayers of phospholipid and the Ca2+-ligand ETH 1001. The electrodes are characteri ...
The binding characteristics of a monoiodinated form of vasoactive intestinal peptide (M-[125I]VIP) to the membranes of astrocytes, intraparenchymal microvessels and synaptosomes were analyzed in mouse cerebral cortex. Binding to astrocytes, studied in prim ...
Bubble-free aeration is applied in animal cell culture processes for oxygenation to avoid shear stress and foaming assocd. with direct sparging into the culture. Oxygen mass transfer across PTFE-membranes was detd. in three different reactor systems that m ...
The technique of template synthesis by electrodeposition in the parallel pores of membranes is enhanced with the alternated deposition of different metals. Filled polycarbonate or alumite membranes constitute regular arrays of embedded wires with diameters ...
Insertion of some protein toxins into membranes proceeds through an unfolding step. The unfolding trigger can be the low pH in endosomes, exposure to body temperature, reduction of disulphide bonds or proteolytic cleavage occurring at the membrane surface. ...
The gene therapy approach presented in this protocol employs a polymer encapsulated, xenogenic, transfected cell line to release human ciliary neurotrophic factor (hCNTF) for the treatment of Amyotrophic Lateral Sclerosis (ALS). A tethered device, containi ...
The feasibility of removing water from azeotropic mixts. is explored. Although the selectivity of membrane distn. processes is largely detd. by vapor liq. equil. (VLE), differences in diffusion rates across the membrane and an eventual addnl. gas gap may s ...
A pH method is described for the detn. of the wettability of membranes used in membrane distn. modules. The wettability factor that varies 0-1 is defined. With aq. EtOH, effects of dynamic overpressure and membrane stretching are shown to affect pore size ...
The technique of ultrafiltration can be applied for the recovery of biocatalysts in discontinuous as well as continuous reaction processes. The operation of ultrafiltration membrane reactors requires establishment of a certain shear rate along the membrane ...
Membranes suitable for microfiltration, ultrafiltration, and dialysis consist of polycation-polyanion complexes prepd. by casting an aq. soln. of CM-cellulose (I) and cellulose sulfate (II) into a film and then treating with a cationic polyelectrolyte. Thu ...
(Akademie der Wissenschaften der DDR, Institut fuer Polymerenchemie, Ger. Dem. Rep.).1981