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ion channel |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
ion an atom or group of atoms having a positive (cation) or negative (anion) electric charge by virtue of having gained or lost one or more electrons. Substances forming ions are electrolytes. ion channel see channel. dipolar ion zwitterion. hydrogen ion the positively charged hydrogen atom (H+), present to excess in acid solutions. ion pair the pair of ions created when an atom has had an electron removed by ionizing radiation. ion trapping a strategy for treatment of poisonings based on the principle that cell membranes are less permeable to ionized compounds. With knowledge of the characteristics of the toxin, treatment can be given to alter the acid-base balance in favor of ionization. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Once that occurs, the clamshell closes and the receptor's ion channel opens. He was previously senior director for ion channel research and molecular pharmacology at Merck's research facility in West Point, Pa. In contrast, V produced a greater effect on Cx43 and affected only one ion channel (KvLQT1). |
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