the fast phase of calcium exchange at the cell surface had a rate constant of 36.1 min-1 and a compartment size of 8.27 nmol/10 ( 6 ) cells , while the slow phase , the intracellular calcium exchange , showed a rate constant of 2.4 min-1 and a compartment size of 0.53 nmols/10 ( 6 ) cells .
C0699040
cell surface
C0007634
cells