scholarly journals Gamma-Aminobutyric Acid Production Using Immobilized Glutamate Decarboxylase Followed by Downstream Processing with Cation Exchange Chromatography

2013 ◽  
Vol 14 (1) ◽  
pp. 1728-1739 ◽  
Author(s):  
Seungwoon Lee ◽  
Jungoh Ahn ◽  
Yeon-Gu Kim ◽  
Joon-Ki Jung ◽  
Hongweon Lee ◽  
...  
2009 ◽  
Vol 877 (1-2) ◽  
pp. 50-58 ◽  
Author(s):  
Ana M. Azevedo ◽  
Paula A.J. Rosa ◽  
I. Filipa Ferreira ◽  
J. de Vries ◽  
T.J. Visser ◽  
...  

1970 ◽  
Vol 16 (11) ◽  
pp. 891-895 ◽  
Author(s):  
Abraham Saifer ◽  
Edward A'Zary ◽  
Carlo Valenti ◽  
Larry Schneck

Abstract The concentration of free amino acids in amniotic fluids, obtained from 27 normal mothers between the eighth and 22nd weeks of gestation, was determined by cation-exchange chromatography. Of the 29 free amino acids detected, three—γ-aminobutyric acid, ethanolamine, and homocarnosine— had not previously been found in amniotic fluid. The seven most common (in descending order) are alanine, glutamic acid-glutamine, lysine, proline, threonine, glycine, and valine. These seven comprise 70% of the total free amino acids present. All of the amino acids found in amniotic fluid have been found in serum and urine from fetuses and newborns and in the mother's urine. However, three of the amino acids found in amniotic fluid—ethanolamine, hydroxyproline, and homocarnosine—have not been reported to be present in serum from mothers.


2015 ◽  
Vol 8 (4) ◽  
pp. 623-632 ◽  
Author(s):  
Naser Tajabadi ◽  
Ali Baradaran ◽  
Afshin Ebrahimpour ◽  
Raha A. Rahim ◽  
Fatimah A. Bakar ◽  
...  

2015 ◽  
Vol 1386 ◽  
pp. 13-21 ◽  
Author(s):  
Işık Perçin ◽  
Rushd Khalaf ◽  
Bastian Brand ◽  
Massimo Morbidelli ◽  
Orhan Gezici

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