𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Assay of tryptophan 2,3-dioxygenase using liver slices and high-performance liquid chromatography

✍ Scribed by Josef Seifert


Publisher
Elsevier Science
Year
1993
Weight
400 KB
Volume
614
Category
Article
ISSN
0378-4347

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Determination of serum kynurenine and he
✍ Earle W. Holmes πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 English βš– 693 KB

The status of the oxidative metabolism of L-tryptophan is usually evaluated by the determination of tryptophan metabolites in serum or urine and/or the activities of various oxidative enzymes in tissues. I have developed assays for serum kynurenine and hepatic tryptophan dioxygenase (TDO) activity b

An assay for cocaethylene and other coca
✍ Stephen M. Roberts; John W. Munson; Robert C. James; Raymond D. Harbison πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 English βš– 518 KB

Cocaethylene (benzoylecgonine ethyl ester or ethyl cocaine) is a transesterification product of cocaine and ethanol that has been observed in the urine of individuals using these drugs in combination. There is evidence that cocaethylene is pharmacologically active, and its formation in vivo may cont

Assay of caffeine metabolism in vitro by
✍ F. Valero; R. De La Torre; A.R. Boobis; S. Murray; J. Segura πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 285 KB

The low turnover of caffeine in vitro by human liver microsomes makes the study of the metabolic pathways of this compound difficult. Analytical methods with high sensitivity and specificity are needed for the detection of its metabolic products. A method based on the on-line radiometric determinati

Specific and rapid assay of urinary oxal
✍ Susumu Imaoka; Yoshihiko Funae; Toshikado Sugimoto; Nobuyuki Hayahara; Masanobu πŸ“‚ Article πŸ“… 1983 πŸ› Elsevier Science 🌐 English βš– 390 KB

A high-performance liquid chromatographic (HPLC) method was developed to determine the levels of oxalic acid in the urine. This acid was extracted from urine with tri-n-butyl phosphate and converted into the fluorescent derivative by esterification with 9-anthryldiazomethane (ADAM). The reaction mix