title: Differential rates of passage of amino acids through an ultrafiltration membrane.
mesh_terms: D000596:Amino Acids / Q000302:isolation & purification*; D005069:Evaluation Studies as Topic; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008722:Methods; D009994:Osmolar Concentration; D012965:Sodium Chloride; D013997:Time Factors; D014462:Ultrafiltration
chemical_list: D000596:Amino Acids; D012965:Sodium Chloride