Radio gas chromatography of carbon-14-labelled compounds using continuous activity assay by a semiconductor detector

1975 ◽  
Vol 108 (1) ◽  
pp. 37-41 ◽  
Author(s):  
Richard Tykva ◽  
Josef Šeda
1958 ◽  
Vol 30 (5) ◽  
pp. 903-906 ◽  
Author(s):  
Richard. Wolfgang ◽  
F. S. Rowland

ACS Omega ◽  
2019 ◽  
Vol 4 (22) ◽  
pp. 19895-19904 ◽  
Author(s):  
Zsófia Kutil ◽  
Jana Mikešová ◽  
Matthes Zessin ◽  
Marat Meleshin ◽  
Zora Nováková ◽  
...  

1972 ◽  
Vol 44 (2) ◽  
pp. 277-279 ◽  
Author(s):  
Rolf. Blomstrand ◽  
Josef. Gurtler ◽  
Lars. Liljeqvist ◽  
Goran. Nyborg

1985 ◽  
Vol 68 (5) ◽  
pp. 1000-1006
Author(s):  
Gaylord D Paulson ◽  
Alva D Mitchell ◽  
Richard G Zaylskie

Abstract Methods for the identification and quantitation of carbon-14 labeled sulfamethazine [4-amino-iV-(4,6-dimethyl-2-pyrimidinyl)benzenesulfonamide], W-acetylsulfamethazine, the N4-glucose conjugate of sulfamethazine, and desaminosulfamethazine in swine tissue are described. Tissues are ground and extracted with methanol, and the 14C-labeled compounds are purified by XAD-2 column chromatography and C-18 reverse phase liquid chromatography (LC) and the relabeled compounds are then methylated and identified by gas chromatography- mass spectrometry analysis. Quantitation is accomplished by measuring the amount of 14C-activity that cochromatographs (C-18 reverse phase LC) with reference compounds.


Nature ◽  
1960 ◽  
Vol 186 (4719) ◽  
pp. 150-151 ◽  
Author(s):  
ARTHUR KARMEN ◽  
HAROLD R. TRITCH
Keyword(s):  

2018 ◽  
Vol 187 ◽  
pp. 79-86 ◽  
Author(s):  
Matthew A. McDonald ◽  
Lukas Bromig ◽  
Martha A. Grover ◽  
Ronald W. Rousseau ◽  
Andreas S. Bommarius

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