青蛙骨骼肌纤维延迟钾电导的选择性
The selectivity of the delayed potassium conductance of frog skeletal muscle fibers.
作者信息
Gay L A, Stanfield P R
出版信息
Pflugers Arch. 1978 Dec 28;378(2):177-9. doi: 10.1007/BF00584453.
PMID:569840
Abstract
A voltage-clamp technique was used to measure reversal potentials of delayed currents in frog skeletal muscle fibres immersed in solutions containing Li2SO4,Na2SO4,K2so4,Rb2SO4, or Cs2SO4. The selectivity sequence found for the underlying permeability mechanism was K greater than or equal to Rb greater than Cs greater than Na greater than or equal to Li.
摘要
采用电压钳技术测量浸泡在含有硫酸锂、硫酸钠、硫酸钾、硫酸铷或硫酸铯溶液中的青蛙骨骼肌纤维延迟电流的反转电位。发现的潜在通透机制的选择性顺序为：钾≥铷＞铯＞钠≥锂。
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