A simple apparatus for ultrafiltration of small volumes: application to the measurement of free and albumin-bound tryptophan in plasma.
D000818:Animals; D006863:Hydrogen-Ion Concentration; D008297:Male; D008832:Microchemistry / Q000379:methods; D011485:Protein Binding; D051381:Rats; D012709:Serum Albumin / Q000378:metabolism; D014364:Tryptophan / Q000097:blood*; D014462:Ultrafiltration / Q000295:instrumentation* / Q000379:methods
D012709:Serum Albumin; D014364:Tryptophan