Results 331 to 340 of about 3,387,066 (378)
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Cell Membranes in Cytotoxicity
1977Silica particles are cytotoxic for macrophages because they damage the membranes around secondary lysosomes in which the particles are engulfed. Hydroxyl groups of silicic acid on the surface of the particles form hydrogen bonds with phosphate ester groups of phospholipids and disrupt a variety of natural and artificial membranes.
J. Ferluga, A. C. Allison
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Physical Review E, 1995
The other equation of the set resembles an equation derived from the Nernst-Planck equation, which describes transmembrane ion transport and hence provides a mechanism for transmembrane potential variation. A more complete calculation of the velocity of the asymptotic wave form shows a lower wave speed than the estimate of Nagumo {ital et} {ital al ...
Pradip Das, W. H. Schwarz
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The other equation of the set resembles an equation derived from the Nernst-Planck equation, which describes transmembrane ion transport and hence provides a mechanism for transmembrane potential variation. A more complete calculation of the velocity of the asymptotic wave form shows a lower wave speed than the estimate of Nagumo {ital et} {ital al ...
Pradip Das, W. H. Schwarz
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Annual Review of Biochemistry, 1976
PERSPECTIVES AND SUMMARy 667 INTRODUCTION 668 POLYPEPTIDES OF THE HUMAN RED CELL MEMBRANE 669 A Provisional Model for the Arrangement of the Major Proteins . . 671 Location 0/ extrinsic membrane proteins 672 The integral membrane proteins 676 The sialoglycopeptides (PAS-I, PAS-2, glycophorin A) 677 PAS-3 and the minor glycopeptides
Heinz Furthmayr +2 more
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PERSPECTIVES AND SUMMARy 667 INTRODUCTION 668 POLYPEPTIDES OF THE HUMAN RED CELL MEMBRANE 669 A Provisional Model for the Arrangement of the Major Proteins . . 671 Location 0/ extrinsic membrane proteins 672 The integral membrane proteins 676 The sialoglycopeptides (PAS-I, PAS-2, glycophorin A) 677 PAS-3 and the minor glycopeptides
Heinz Furthmayr +2 more
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Permeabilization of Cell Membranes
2009In order to detect intracellular antigens, cells must first be permeabilized especially after fixation with cross-linking agents such as formaldehyde and glutaraldehyde. Permeabilization provides access to intracellular or intraorganellar antigens. Two general types of reagents are commonly used: organic solvents, such as methanol and acetone, and ...
Maria Célia Jamur, Constance Oliver
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Annual Review of Physiology, 1979
Three of the four articles in this section deal with contractility and its relation to structure in a variety of cells. They are complemented by one reviewing a novel way of studying cell metabolism-a prerequisite of mo tion-by a nondestructive process. Goldman et al deal with the wide variety of filaments found in mam malian cells.
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Three of the four articles in this section deal with contractility and its relation to structure in a variety of cells. They are complemented by one reviewing a novel way of studying cell metabolism-a prerequisite of mo tion-by a nondestructive process. Goldman et al deal with the wide variety of filaments found in mam malian cells.
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Electropermeabilization of the Cell Membrane
2014Membrane electropermeabilization is the observation that the permeability of a cell membrane can be transiently increased when a micro-millisecond external electric field pulse is applied on a cell suspension or on a tissue. Applicative aspects for the transfer of foreign molecules (macromolecules) into the cytoplasm are routinely used.
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1986
Publisher Summary This chapter discusses the particular properties of the intestine that are important to studies of the plasmalemma of the enterocyte. The chapter also reviews methods for preparing enterocyte membranes along with their particular advantages and problems.
Julian R.F. Walters +2 more
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Publisher Summary This chapter discusses the particular properties of the intestine that are important to studies of the plasmalemma of the enterocyte. The chapter also reviews methods for preparing enterocyte membranes along with their particular advantages and problems.
Julian R.F. Walters +2 more
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Cell membrane‐mediated cytolysis by membranes from noncytolytic cells
European Journal of Immunology, 1978AbstractCytolysis was obtained with plasma membrane fractions prepared not only from cytolytic T cells, but also from nonimmune lymphoid cells and, moreover, from cell lines of nonlymphoid origin displaying no lytic ability. Furthermore, no relationship exists between the genetic specificity of T cell‐mediated cytolysis and the activity of membrane ...
Brigitte Kahn-Perlès, Pierre Golstein
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Trends in Plant Science, 2010
Over the past five years, the structure, composition and possible functions of membrane raft-like domains on plant plasma membranes (PM) have been described. Proteomic analyses have indicated that a high proportion of proteins associated with detergent-insoluble membranes (DIMs), supposed to contain raft-like domains isolated from the PM, might be ...
Mongrand, Sebastien +4 more
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Over the past five years, the structure, composition and possible functions of membrane raft-like domains on plant plasma membranes (PM) have been described. Proteomic analyses have indicated that a high proportion of proteins associated with detergent-insoluble membranes (DIMs), supposed to contain raft-like domains isolated from the PM, might be ...
Mongrand, Sebastien +4 more
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Clinical Orthopaedics and Related Research, 1982
While many, if not most, of the details remain to be worked out, bone cell function is increasingly being explained in terms of cell membrane phenomena. Ultrastructurally, bone cell membranes do not show remarkable features beyond those associated with the ruffled border and clear zone of the osteoclast or specializations associated with the formation ...
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While many, if not most, of the details remain to be worked out, bone cell function is increasingly being explained in terms of cell membrane phenomena. Ultrastructurally, bone cell membranes do not show remarkable features beyond those associated with the ruffled border and clear zone of the osteoclast or specializations associated with the formation ...
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