Carpenter D O, Hovey M M, Bak A F
J Gen Physiol. 1975 Aug;66(2):139-48. doi: 10.1085/jgp.66.2.139.
The specific resistivity of the axoplasm of giant axons of squid and Myxicola was measured utilizing a single metal microelectrode subjected to alternating current in a circuit in which the voltage output varies with the conductivity of the thin layer of fluid at the exposed electrode tip. The average specific resistivity of stellar axons of Loligo pealei was 31 omegacm (1.55 times seawater [X SW]) while for Loligo opalescens it was 32 omegacm (1.30 X SW). Smaller giant axons had a higher average resistivity. Myxicola giant axons had a resistivity of 68 omegacm (2.7 X SW) in normal seawater, and 53 omegacm (2.1 X SW) in a hypertonic high-Mg++ seawater. The temperature dependence of squid axon resistivity does not differ from that of an equally conductive dilution of seawater.
利用单个金属微电极在一个电路中施加交流电来测量鱿鱼和黏液虫巨型轴突轴浆的比电阻率，在该电路中，电压输出随暴露电极尖端处薄流体层的电导率而变化。皮氏枪乌贼星状轴突的平均比电阻率为31Ω·cm（是海水的1.55倍[X SW]），而巴氏枪乌贼的为32Ω·cm（1.30 X SW）。较小的巨型轴突平均电阻率更高。黏液虫巨型轴突在正常海水中的电阻率为68Ω·cm（2.7 X SW），在高渗高镁海水里为53Ω·cm（2.1 X SW）。鱿鱼轴突电阻率的温度依赖性与同样导电率的海水稀释液并无差异。
