✦ LIBER ✦

Determination of total free amino acids with o-phthalaldehyde and N-acetyl-l-cysteine

✍ Scribed by M.J.Medina Hernández; R.M.Villanueva Camañas; M.C.García Alvarez-Coque

Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 305 KB
Volume: 42
Category: Article
ISSN: 0026-265X
DOI: 10.1016/0026-265x(90)90057-c

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Studies on the formation and stability o

Studies on the formation and stability of isoindoles derived from amino acids, o-phthalaldehyde and N-acetyl-l-cysteine

✍ M.C. García Alvarez-Coque; M.J.Medina Hernández; R.M. Villanueva Camañas; C. Mon 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 563 KB

Postcolumn fluorometric detection system

Postcolumn fluorometric detection system for liquid chromatographic analysis of amino and imino acids using o-phthalaldehyde/N-acetyl-l-cysteine reagent

✍ Michihiko Fujiwara; Yasuo Ishida; Noriyuki Nimura; Atsuko Toyama; Toshio Kinoshi 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 460 KB

Quantitative analysis of neuroactive ami

Quantitative analysis of neuroactive amino acids in brain tissue by liquid chromatography using fluorescent pre-column labelling with o-phthalaldehyde and N-acetyl-L-cysteine

✍ R. Soto-Otero; E. Méndez-Alvarez; J. Galán-Valiente; E. Aguilar-Veiga; G. Sierra 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 493 KB 👁 1 views

Determination of eflornithine enantiomer

Determination of eflornithine enantiomers in plasma by precolumn derivatization with o-phthalaldehyde-N-acetyl-l-cysteine and liquid chromatography with UV detection

✍ R. Jansson-Löfmark; S. Römsing; E. Albers; M. Ashton 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 363 KB 👁 1 views

## Abstract A bioanalytical method for indirect determination of eflornithine enantiomers in 75 μL human plasma has been developed and validated. l‐ and d‐eflornithine were derivatized with __o__‐phthalaldehyde and __N__‐acetyl‐L‐cysteine to generate diastereomers which were separated on two serial

Determination of amino sugars and amino

Determination of amino sugars and amino acids in glycoconjugates using precolumn derivatization with o-phthalaldehyde

✍ Friedrich Altmann 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 529 KB

This report examines the RP-HPLC separation of o-phthalaldehyde derivatives of amino acids, amino sugars, and amino sugar alcohols using either 2-mercaptoethanol or 3-mercaptopropionic acid. A method with pmol sensitivity for the analysis of N-acetylamino sugars of glycoconjugates was elaborated. Up

Application of micro HPLC to the analyis

Application of micro HPLC to the analyis of amino acids after precolumn derivatization withO-phthalaldehyde andN-acetyl-L-cysteine

✍ Takeuchi, T. ;Niwa, T. ;Ishil, D. 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 316 KB 👁 1 views

levels are easily obtainable, even in indoor environments with low smoking rates (e.g., restaurants and offices) where 1-h sampling typically yields values of total RSP in the 10-100 pg range [8].