the intracellular pool of labeled chondroitin so4 reaches a steady state level of 150 to 200 pmol of bound so4 per 10 ( 6 ) cells in 60 min , while the cell matrix and medium fractions increase at rates of 3 and 1 nmol of bound so4 per h per 10 ( 6 ) cells , respectively .
C1383501
cell matrix
C0007634
cells