Middle molecules in uremic serum, urine and dialysis fluid.


Gel filtration through Sephadex (g 75 and 15) and ultrafiltration and diafiltration through selective membrances have been carried out on 172 uremic sera, 89 normal sera, uremic and normal urines and hemodialysis fluid. The accumulation in uremic sera of substances wwith molecular weights between 500 and 3,500 (so called "middle molecules") was demonstrated… (More)


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