ionophore - Definition. Was ist ionophore
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Was (wer) ist ionophore - definition

CHEMICAL AGENTS THAT INCREASE THE PERMEABILITY OF BIOLOGICAL OR ARTIFICIAL LIPID MEMBRANES TO SPECIFIC IONS; USUALLY RELATIVELY SMALL ORGANIC MOLECULES THAT ACT AS MOBILE CARRIERS WITHIN MEMBRANES OR COALESCE TO FORM ION PERMEABLE CHANNEL
Ionophores; Ion carrier; Ion-carrier

ionophore         
[??'?n?(?)f?:]
¦ noun Biochemistry a substance which is able to transport particular ions through a lipid membrane in a cell.
Protonophore         
Proton ionophore
A protonophore, also known as a proton translocator, is an ionophore that moves protons across lipid bilayers or other type of membranes. This would otherwise not occur as protons cations (H+) have positive charge and hydrophilic properties, making them unable to cross without a channel or transporter in the form of a protonophore.

Wikipedia

Ionophore

In chemistry, an ionophore (from Greek ion and -phore 'ion carrier') is a chemical species that reversibly binds ions. Many ionophores are lipid-soluble entities that transport ions across the cell membrane. Ionophores catalyze ion transport across hydrophobic membranes, such as liquid polymeric membranes (carrier-based ion selective electrodes) or lipid bilayers found in the living cells or synthetic vesicles (liposomes). Structurally, an ionophore contains a hydrophilic center and a hydrophobic portion that interacts with the membrane.

Some ionophores are synthesized by microorganisms to import ions into their cells. Synthetic ion carriers have also been prepared. Ionophores selective for cations and anions have found many applications in analysis. These compounds have also shown to have various biological effects and a synergistic effect when combined with the ion they bind.