title: Automated assay of tryptophan at the nanogram level: determination of tryptophan in cerebrospinal fluid and of total and nonprotein bound tryptophan in serum.
mesh_terms: D001322:Autoanalysis; D001798:Blood Proteins; D005069:Evaluation Studies as Topic; D006801:Humans; D008722:Methods; D008832:Microchemistry; D011485:Protein Binding; D013050:Spectrometry, Fluorescence; D014364:Tryptophan / Q000032:analysis* / Q000097:blood / Q000134:cerebrospinal fluid; D014462:Ultrafiltration
chemical_list: D001798:Blood Proteins; D014364:Tryptophan