Results 271 to 280 of about 406,501 (295)
Some of the next articles are maybe not open access.
Decreased Cell Surface Charge in Cystic Fibrosis Epithelia
Cell Biochemistry and Function, 1997A colloid titration technique has been used to determine the surface charge of cystic fibrosis (CF) and corresponding non-CF epithelial cells. We have shown that the negative surface charge of CF epithelial cells is significantly reduced in comparison with non-CF cells.
K, Thethi, M, Duszyk
openaire +2 more sources
Influence of red cell shape on surface charge topography
Experimental Cell Research, 1978Abstract Human red blood cells (RBCs), transformed from discocytes into crenated shapes by incubation in hyperosmotic NaCl, have increased rates of agglutination in the presence of either poly- l -lysine (PLL) or soybean agglutinin (SBA). Reversion to discocytes by resuspension in isoosmotic NaCl lowers agglutination rates back to normal levels ...
Y, Marikovsky +2 more
openaire +2 more sources
Cell surface charge and regulation of cell division of 3T3 cells and transformed derivatives
Experimental Cell Research, 1975Abstract The cell surface charge of 3T3, 3T6, SV40-3T3 cells and trypsin-, neuraminidase- and serumtreated preparations of these has been characterized by microcell electrophoresis. At 25 °C, density-inhibited 3T3 cells show a decrease in electrophoretic mobility when treated with various stimuli of cell division. This effect is not observed at 25 °C
Gerburg Adam, Gerold Adam
openaire +2 more sources
Influence of red cell surface charge on red cell membrane curvature
Pfl�gers Archiv European Journal of Physiology, 1988The wellknown biconcave shape of resting RBC reflects an intrinsic overall negative spontaneous membrane curvature. It depends to a high degree on the integrity of the spectrin-actin-ankyrin-Band-3 hetero-complex. Alterations of this complex have previously been shown to be associated with shape transitions, which have been abolished by treatment with ...
R, Grebe, H, Wolff, H, Schmid-Schönbein
openaire +2 more sources
Distribution of cell surface charges on mesothelium and lymphatic endothelium
Microvascular Research, 1986The distribution of anionic sites on the luminal surfaces of the peritoneal mesothelium and lymphatic endothelium was investigated by injecting cationized ferritin (CF) intraperitoneally. After washing with phosphate-buffered saline, the diaphragm was fixed and processed for electron microscopy.
openaire +2 more sources
Radiation-induced changes on cell surface charges
International Journal of Radiation Applications and Instrumentation. Part C. Radiation Physics and Chemistry, 1987Abstract Upon the effects of ionizing radiations the structure and consequently the function of plasma membranes are perturbed. One of their features, the surface charges of cells are altered, accordingly. More and more techniques are becoming available to study these phenomena, in various regions of a cell.
G.J. Köteles +2 more
openaire +1 more source
Blut, 1980
The changes in hematological parameters and physicochemical composition of red cells which accompany their aging in vivo and the results of recent experiments in which the peripheral zone of density fractionated erythrocytes were labeled with positively charged colloids or treated with relatively high molecular weight polycations suggest a reordering ...
openaire +2 more sources
The changes in hematological parameters and physicochemical composition of red cells which accompany their aging in vivo and the results of recent experiments in which the peripheral zone of density fractionated erythrocytes were labeled with positively charged colloids or treated with relatively high molecular weight polycations suggest a reordering ...
openaire +2 more sources
Free radicals as probes of cell surface charge
Journal of Electrostatics, 1988Abstract Surface charge plays an important role in determining the energetics of biomembrane interactions and influences the electrical field that acts across the lipid bilayer and its intrinsic proteins. Electron spin resonance spectroscopy can be employed to estimate surface charge either through the use of amphiphilic spin label probes or by the ...
openaire +1 more source
Effects of hyperthermia on cell surface charge and cell survival in mastocytoma cells.
Cancer research, 1981Changes in the structure of the surface of mastocytoma cells were induced by hyperthermia and were investigated by means of cell electrophoresis. A decrease in the cell electrophoretic mobility was detected as early as 15 min after treatment at 42 degrees and progressed more rapidly under hypoxic conditions than under oxic conditions.
C, Sato +4 more
openaire +1 more source