transport of solutes

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• Transport actif secondaire — Le transport actif secondaire, contrairement au transport actif primaire, n utilise pas l énergie qui lui est directement fourni comme lors de l hydrolyse de l ATP, à la place, c est la différence de potentiel électrochimique qui est utilisé. Les …   Wikipédia en Français

• transport —    Conveyance of solutes and particulates in flow systems. See also solute transport; particulate transport [22] …   Lexicon of Cave and Karst Terminology

• Membrane transport — In cellular biology the term membrane transport refers to the collection of mechanisms that regulate the passage of solutes such as ions and small molecules through biological membranes namely lipid bilayers that contain proteins embedded in them …   Wikipedia

• Passive transport — means moving biochemicals and other atomic or molecular substances across membranes. Unlike active transport, this process does not involve chemical energy, because, unlike in an active transport, the transport across membrane is always coupled… …   Wikipedia

• Active transport — This article is about transport in cellular biology. For human transport systems, see active transportation. The action of the sodium potassium pump is an example of primary active transport. Active transport is the movement of a substance… …   Wikipedia

• Secondary active transport — In secondary active transport, in contrast to primary active transport, there is no direct coupling of ATP; instead, the electrochemical potential difference created by pumping ions out of the cell is used. [GeorgiaPhysiology|7/7ch05/7ch05p12]… …   Wikipedia

• Discrete nanoscale transport — refers to a class of transport phenomena inside cells.[1] The word “nanoscale” refers to the nano morphological features of the discrete entities being transported and their relevant interactions, whose length scale is from a few to several… …   Wikipedia

• IONS (ÉCHANGEURS D’) — Un échangeur d’ions est un solide comportant des groupements fonctionnels ionisés, fixes, porteurs de charges positives ou négatives et des ions mobiles de signe contraire échangeables avec d’autres provenant d’une solution. Pour accélérer ces… …   Encyclopédie Universelle

• Monolithic HPLC column — A monolithic HPLC column is a special type of column used in HPLC with porous channels rather than beads. High performance liquid chromatography (HPLC) is the third most widely used laboratory instrument, surpassed only by analytical balances and …   Wikipedia

• cystic fibrosis transmembrane conductance regulator — (= CFTR) Gene believed to be defective in cystic fibrosis. Gene encodes a chloride channel, homologous to a family of proteins that actively transport small solutes in an ATP dependent manner (ABC proteins) …   Dictionary of molecular biology

• cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium