1 / 1

Perméabilité à K+ en solutions isotoniques [K]e =[K]i donc EK = 0mV

Perméabilité à K+ en solutions isotoniques [K]e =[K]i donc EK = 0mV. I (pA ). -20. V (mV). 0. +20. +40. +40. +20. IK =  K ( Vm - Einv). 0. -20. VH -100. sortant. nul. iK. Le potentiel d ’inversion est égal au potentiel théorique EK (Nernst) Donc le canal est 100%

moke
Download Presentation

Perméabilité à K+ en solutions isotoniques [K]e =[K]i donc EK = 0mV

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Perméabilité à K+ en solutions isotoniques[K]e =[K]i donc EK = 0mV I (pA) -20 V (mV) 0 +20 +40 +40 +20 IK = K ( Vm - Einv) 0 -20 VH -100 sortant nul iK Le potentiel d ’inversion est égal au potentiel théorique EK (Nernst) Donc le canal est 100% spécifique des ions K+ entrant

More Related