New Chiral Derivatizing Agents: Convenient Determination of Absolute Configurations of Free Amino Acids by1H NMR

2009 ◽  
Vol 11 (4) ◽  
pp. 911-914 ◽  
Author(s):  
Michio Kurosu ◽  
Kai Li
Keyword(s):  
Amino Acids ◽  
Free Amino Acids ◽  
Free Amino ◽  
Chiral Derivatizing Agents

scholarly journals A METHOD FOR THE DETERMINATION OF FREE AMINO ACIDS IN RAT ORGANS AND TISSUES

1950 ◽  
Vol 182 (1) ◽  
pp. 29-37
Author(s):  
P.E. Schurr ◽  
H.T. Thompson ◽  
L.M. Henderson ◽  
C.A. Elvehjem
Keyword(s):  
Amino Acids ◽  
Free Amino Acids ◽  
Free Amino ◽  
Rat Organs

Automated Determination of Free Amino Groups in Serum and Plasma Using 2,4,6-Trinitrobenzene Sulfonate

1969 ◽  
Vol 15 (9) ◽  
pp. 891-901 ◽  
Author(s):  
D W Palmer ◽  
T Peters
Keyword(s):  
Amino Acids ◽  
Free Amino Acids ◽  
Free Amino ◽  
Clinical Applications ◽  
Amino Groups ◽  
Automated Method ◽  
Total Free Amino Acids ◽  
Colored Complexes ◽  
Automated Determination

Abstract A simple automated method is described for determining the level of total free amino acids in the blood. The method utilizes the AutoAnalyzer, and is based on the formation of colored complexes by uniting free amino groups with 2,4,6-trinitrobenzene sulfonate (TNBS). Proteins do not interfere because the free amino acids are first separated by dialysis. Characteristics of the reaction and potential clinical applications of the procedure are discussed.

Determination of selected amino acids in milk using dispersive liquid–liquid microextraction and GC-MS

2019 ◽  
Vol 11 (28) ◽  
pp. 3538-3545 ◽  
Author(s):  
Andrew Quigley ◽  
Damian Connolly ◽  
Wayne Cummins
Keyword(s):  
Amino Acids ◽  
Free Amino Acids ◽  
Free Amino ◽  
Ethyl Chloroformate ◽  
Milk Products ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

An ethyl chloroformate derivatisation followed by dispersive liquid–liquid microextraction (DLLME) method, combined with GC-MS was developed for the analysis of free amino acids in various milk products.

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