pore volume

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• Pore forming toxins — (PFTs) are protein toxins, typically, (but not exclusively) produced by bacteria, such as C.perfringens and S.aureus . They are frequently cytotoxic (i.e., they kill cells) as they create unregulated pores in the membrane of targeted cells.Types… …   Wikipedia

• pore — [ pɔr ] n. m. • fin XIIIe; lat. porus, gr. poros « passage » 1 ♦ Chacun des minuscules orifices de la peau où aboutissent les sécrétions des glandes sudoripares. Cour. Orifice cutané d une glande sudoripare ou de la glande sébacée d un poil.… …   Encyclopédie Universelle

• Pore water pressure — refers to the pressure of groundwater held within a soil or rock, in gaps between particles (pores). For example, in a high permeability soil, the pressure would be close to hydrostatic in no flow conditions. It is also referred to as tensiometer …   Wikipedia

• pore space — noun All the pores in a rock; the volume of such pores …   Wiktionary

• Mitochondrial permeability transition pore — The Mitochondrial Permeability Transition, or MPT, is defined as an increase in the permeability of the mitochondrial membranes to molecules of less than 1500 Daltons in molecular weight. MPT results from the opening of a mitochondrial… …   Wikipedia

• Characterisation of pore space in soil — Soil is essential to most animals on the earth. It is a relatively thin crust where an even smaller portion contains much of the biological activity. Soil consists of three different phases. A solid phase (≈ 20%) that contains mainly minerals of… …   Wikipedia

• Tandem pore domain potassium channel — Two pore domain potassium channels: This family of 15 members form what is known as leak channels which possess Goldman Hodgkin Katz (open) rectification.cite journal |author=Goldstein SA, Bayliss DA, Kim D, Lesage F, Plant LD, Rajan… …   Wikipedia

• rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …   Universalium

• Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …   Universalium

• Effective porosity — The term effective porosity lacks a single or straightforward definition. Even some of the terms used in its mathematical description (“Vcl” and “Vsh”) have multiple definitions. However, it is most commonly considered to represent the porosity… …   Wikipedia

• Nuclear magnetic resonance in porous media — Nuclear magnetic resonance (NMR) in porous media covers the application of using NMR as a tool to study the structure of porous media and various processes occurring in them.[1] This technique allows the determination of characteristics such as… …   Wikipedia