judiciousness 发表于 2025-3-28 15:40:18
Diffusion and Permeability,iformly distributed. (The diffusion equations also apply to the diffusion of heat in solids.) Once uniformly distributed (i.e., at equilibrium), the molecules of the substance continue to move about, but the net movement is zero. In the absence of convection currents, the movement of the molecules iBumptious 发表于 2025-3-28 22:17:50
Concentration Cells and Equilibrium Potentials, ion concentration gradients give rise to .. To do this, let us start with a . that we can construct in the laboratory, as diagrammed in Figure V-1. The chamber is completely divided into two compartments by a thin membrane made of celloidin, which has negatively charged pores. A solution of any salconduct 发表于 2025-3-29 00:40:34
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Surface Charge, Stable States, and Osmotic Effects,d to protein molecules either embedded in the membrane (islands floating in the lipid bilayer matrix) or tightly adsorbed to the surface of the membrane. Most proteins have an acid isoelectric point, so that at a pH near 7.0 they possess a net negative charge. The charge at the outer surface of the沙漠 发表于 2025-3-29 11:50:56
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Developmental Changes in K+ Permeability,ic development (Sperelakis, 1972a; Sperelakis & McLean, 1978a, b). In this chapter, we examine some of the striking changes that occur in the electrical properties of ventricular myocardial cells during embryonic development of chick hearts. The electrical properties at each stage of development notOCTO 发表于 2025-3-29 21:10:24
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