Table 6.4 - Electrical resistance of membranes


BLM Source Aqueous phase Resistance (/cm2)
Brain lipids + a-tocopherol 0.1 N NaCl 10^7-10^8
Egg lecithin 0.1 N NaCl 10^8
Egg lecithin Various 10^8-10^1^0
Cephalin + cholesteryl oleate + a-tocopherol 0.1 N NaCl 10^7-10^8
Egg lecithin Various
0.001 N NaCl
0.001 N NaI
10^7
10^6-10^8
10^4
Oxidized cholesterol 0.1 N NaCl 10^8-10^9
Glycerol distearate 0.1 N NaCl 10^8-10^9
Cholesterol + dodecyl acid phosphate 0.1 N NaCl 10^7-10^8
Cholesterol + diotadecyl phosphate 0.1 N NaCl 10^8-10^9
Cholesterol 0.001 N NaCl
+ 0.008% hexadecyltrimethylammonium bromide
0.1 N NaCl + 0.008% hexadecyltrimethylammonium bromide
10^7
10^3-10^4
Retinal axon lipids + a-tocopherol 0.1 N NaCl + .005 M Tris 10^7

Return to Table of Contents


Cell Biology Laboratory Manual
Dr. William H. Heidcamp, Biology Department, Gustavus Adolphus College,
St. Peter, MN 56082 -- cellab@gac.edu