the excimer-to-monomer fluorescence intensity ratio of pyrene , embedded in nerve membrane lipids and in their crude lipid extracts , is a fluidity parameter which displayed the following features with temperatures . a -- a temperature-dependent increase of fluidity b -- three breaks ( 6 degrees , 19 degrees and 37 degrees c ) in the physiological medium c -- in ca++-depleted sea water , the 37 degrees characteristic temperature vanished .
C0039476
temperatures
C1521970
characteristic