scholarly journals Normal‐phase versus reversed‐phase thin‐layer chromatography (TLC) to monitor oxidized phosphatidylcholines by TLC/mass spectrometry

2018 ◽  
Vol 33 (S1) ◽  
pp. 60-65 ◽  
Author(s):  
Kathrin M. Engel ◽  
Hans Griesinger ◽  
Michael Schulz ◽  
Jürgen Schiller
Keyword(s):  
Mass Spectrometry ◽  
Thin Layer ◽  
Thin Layer Chromatography ◽  
Reversed Phase ◽  
Normal Phase ◽  
Phase Versus ◽  
Layer Chromatography

scholarly journals Normal-phase thin-layer chromatography of some angiotensin converting enzyme (ACE) inhibitors and their metabolites

2009 ◽  
Vol 74 (6) ◽  
pp. 677-688 ◽  
Author(s):  
Jadranka Odovic ◽  
Mirjana Aleksic ◽  
Biljana Stojimirovic ◽  
Dusanka Milojkovic-Opsenica ◽  
Zivoslav Tesic
Keyword(s):  
Angiotensin Converting Enzyme ◽  
Thin Layer ◽  
Thin Layer Chromatography ◽  
Ace Inhibitors ◽  
Reversed Phase ◽  
Normal Phase ◽  
Converting Enzyme ◽  
Reversed Phase Chromatography ◽  
Aqueous Solvent ◽  
Layer Chromatography

The separation and chromatographic behaviour of five ACE (angiotensin converting enzyme) inhibitors and their four active metabolites were investigated by normal-phase thin-layer chromatography on silica using several mono- and binary non-aqueous solvent systems. The linear relationship between the RM values and the composition of employed mobile phase was obtained. The hydrophobicity parameters 0M R and C0 were determined from the regression data of the plots, analogous to reversed-phase chromatography. The chromatographically obtained hydrophobicity parameters were correlated with the calculated log P values. The current results were correlated with the lipophilicity of the studied ACE inhibitors and their metabolites, previously estimated by reversed-phase chromatography.

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