A Technique for the Determination of Enantiomeric Amino Acids in Biological Samples

1974 ◽  
pp. 195-202
Author(s):  
K. D. Haegele ◽  
P. Y. Howard ◽  
W. Parr
Keyword(s):  
Amino Acids ◽  
Biological Samples

Determination of D- and L-amino acids in biological samples by two-dimensional column liquid chromatography

1995 ◽  
Vol 41 (1-2) ◽  
pp. 6-14 ◽  
Author(s):  
N. C. van de Merbel ◽  
M. Stenberg ◽  
R. Öste ◽  
G. Marko-Varga ◽  
L. Gorton ◽  
...  
Keyword(s):  
Amino Acids ◽  
Column Liquid Chromatography ◽  
Liquid Chromatography ◽  
Biological Samples ◽  
Two Dimensional

Determination of D- and L-amino acids in biological samples by two-dimensional column liquid chromatography

1995 ◽  
Vol 41 (5-6) ◽  
pp. 6-14 ◽  
Author(s):  
N. C. van de Merbel ◽  
M. Stenberg ◽  
R. Öste ◽  
G. Marko-Varga ◽  
L. Gorton ◽  
...  
Keyword(s):  
Amino Acids ◽  
Column Liquid Chromatography ◽  
Liquid Chromatography ◽  
Biological Samples ◽  
Two Dimensional

Determination of some l-amino acids in biological samples by aminoacylation of tRNA

1973 ◽  
Vol 54 (2) ◽  
pp. 362-369 ◽  
Author(s):  
R. Parrilla ◽  
M.S. Ayuso-Parrilla ◽  
Michael N. Goodman
Keyword(s):  
Amino Acids ◽  
Biological Samples

scholarly journals Flow Injection Potentiometric Assay of Hexoprenaline in Its Pure State, Pharmaceutical Preparations, and Biological Samples

2008 ◽  
Vol 2008 ◽  
pp. 1-11 ◽  
Author(s):  
Rasha M. El-Nashar
Keyword(s):  
Amino Acids ◽  
Chemical Composition ◽  
Response Time ◽  
Flow Injection ◽  
Biological Samples ◽  
Pure State ◽  
Pharmaceutical Preparations ◽  
Inorganic Cations ◽  
Coated Wire

Different hexoprenaline () conventional and coated wire electrodes were constructed and evaluated. Membranes were based on hexoprenalinium phosphotungstate (Hx-PTA) and hexporenalinium phosphomolybdate (Hx-PMA). The electrodes were fully characterized in terms of their composition, response time, life span, pH, and temperature and then were applied to the potentiometric determination of the hexoprenalinium ion in its pure state, pharmaceutical preparations, and biological samples, urine and plasma, under batch and flow injection conditions. The selectivity of the electrodes towards many inorganic cations, sugars, amino acids, and some other brochodilatures of close chemical composition was also tested.

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