moreover , comparative subcellular fractionation studies on gradients of colloidal silica showed the excess sialic acid in issd cells to be located within the light ( buoyant ) lysosomal fraction , while the excessive , free sialic acid in the sialuria cells was found in the cytoplasmic fraction with no increased storage within the lysosomal fractions .
C0007634
the
C0010834
cytoplasmic