Spontaneous oscillation of artificial membrane: equivalence in effects of temperature and volatile anesthetic.
Oscillatory phenomenon at an oil-water interface in the presence of hexadecyltrimethylammonium bromide (CTAB) has been studied. The oscillation was attributable to successive formation and destruction of surfactant monolayer. According to the temperature elevation, the frequency of the electrical oscillation increased whereas the amplitude decreased. Addition of diethylether increased the frequency and decreased the amplitude. These effects of temperature and anesthetic were analyzed by the theory of the "N"-shaped relationship between surface-pressure and surface-concentration of the surfactant.
Nakajo
N
N
Division of Dental Anesthesia, School of Dentistry, University of Tokushima, Japan.
Yoshikawa
K
K
Shoji
M
M
Ueda
I
I
D000077286:Cetrimonium; D002593:Cetrimonium Compounds; D003902:Detergents; D004563:Electrochemistry / Q000295:instrumentation / Q000379:methods; D004986:Ether; D005019:Ethyl Ethers; D008567:Membranes, Artificial; D009991:Oscillometry; D000644:Quaternary Ammonium Compounds; D013816:Thermodynamics
D002593:Cetrimonium Compounds; D003902:Detergents; D005019:Ethyl Ethers; D008567:Membranes, Artificial; D000644:Quaternary Ammonium Compounds; D004986:Ether; D000077286:Cetrimonium