## Seventeen DL-amino acids labeled with a fluorescent chiral labeling reagent, R(؊)-4-(3-isothiocyanatopyr- rolidin-1-yl)-7-(N,N-dimethylaminosulfonyl)-2,1,3benzoxadiazole (R(؊)-DBD-PyNCS), were separated by reversed-phase chromatography and detected fluorometrically at 550 nm (excitation at 460
Determination of dl-amino acids, derivatized with R(−)-4-(3-isothiocyanatopyrrolidin-1-yl)-7-(N,N-dimethylaminosulfonyl)-2,1,3-benzoxadiazole, in nail of diabetic patients by UPLC–ESI-TOF-MS
✍ Scribed by Jun Zhe Min; Suguru Hatanaka; Hai-fu Yu; Tatsuya Higashi; Shinsuke Inagaki; Toshimasa Toyo’oka
- Book ID
- 116620444
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 542 KB
- Volume
- 879
- Category
- Article
- ISSN
- 1873-376X
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D-Amino acids in food and biological samples labeled with R(-)- and S(+)-4-(3-isothiocyanatopyrrolidin-1-yl)-7-(N, N-dimethylaminosulfonyl)-2,1,3-benzoxadiazoles (DBD-PyNCS) were separated by reversed-phase chromatography and detected fluorometrically at 550 nm (excitation at 460 nm). DL-Amino acids
## Abstract The usefulness of __R__(−)‐4‐(3‐isothiocyanatopyrrolidin‐1‐yl)‐7‐(__N,N__‐dimethylaminosulfonyl)‐2,1,3‐benzoxadiazole [__R__(−)‐DBD‐PyNCS], a fluorescent chiral tagging reagent, for the determination of racemic amines and amino acids, was studied. The reagent reacted with β‐blockers sel
A method for amino acid sequence and D/L configuration identification of peptides by using fluorogenic Edman reagent 7-[(N, N-dimethylamino)sulfonyl]-2,1,3-benzoxadiazol-4-yl isothiocyanate (DBD-NCS) has been developed. This method was based on the Edman degradation principle with some modifications