𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Chromatographic determination of amino acids by pre-column derivatization using 1,2-naphthoquinone-4-sulfonate as reagent

✍ Scribed by J. Saurina; S. Hernández-Cassou


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
682 KB
Volume
740
Category
Article
ISSN
1873-3778

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Determination of free amino acids in mic
✍ J. R. Betancort Rodríguez; G. García Reina; J. J. Santana Rodríguez 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 82 KB 👁 2 views

An analytical method for a rapid reverse-phase liquid chromatography of amino acids is presented. The total analysis time was 19 min. The average relative deviation over the measured peak area was lower than 10% and the fluorescent response was linear with concentration for OPA derivatives (r > 0.99

Chemiluminescence determination of catec
✍ Gamal H. Ragab; Hitoshi Nohta; Masaaki Kai; Yosuke Ohkura 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 737 KB

A chemiluminescence detection of the fluorescent derivatives of catecholamines (norepinephrine, epinephrine and dopamine) and isoproterenol as an internal standard is described for the highly sensitive liquid chromatographic determination of these compounds. The amines were converted by reaction wit

Sensitive determination of enantiomers o
✍ Kazuhiro Imai; Takeshi Fukushima; Sonoko Uzu 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 159 KB 👁 2 views

Some L-and D-amino acids (Phe or Leu) were derivatized with a fluorogenic reagent, 4-fluoro-7-nitro-2,1,3benzoxadiazole (NBD-F) and separated on a Pirkle-type column, Sumichiral OA 2500(S) [(S)-1-naphthylglyeyl-3,5-dinitrophenylamide silica gel] with a mobile phase of 20mM ammonium acetate in methan