isolated kidneys from diabetic and control groups of animals were radiolabeled in an organ perfusion apparatus with [ 35s ] sulfate of high specific activity ( greater than 1,200 ci/mmol ; 1 ci = 3.7 x 10 ( 10 ) bq ) and processed for electron microscopic autoradiography , and the proteoglycans of the glomerular extracellular matrices were characterized .
C0033692
proteoglycans
C0015350
extracellular matrices