scholarly journals A highly reproducible method for the measurement of [6‐ O ‐methyl‐ 11 C]diprenorphine and its radio‐metabolites based on solid‐phase extraction and radio‐high‐pressure liquid chromatography

2020 ◽  
Vol 64 (1) ◽  
pp. 30-39
Author(s):  
Michael Fairclough ◽  
Adam McMahon ◽  
Elizabeth Barnett ◽  
Julian Matthews ◽  
Christopher A. Brown ◽  
...  
Keyword(s):  
High Pressure ◽  
Liquid Chromatography ◽  
Solid Phase Extraction ◽  
High Pressure Liquid Chromatography ◽  
Solid Phase ◽  
Phase Extraction ◽  
Reproducible Method

Extraction optimization of sixteen cephalosporins in milk by filtered solid phase extraction and ultra high pressure liquid chromatography coupled to tandem mass spectrometry

2017 ◽  
Vol 9 (8) ◽  
pp. 1282-1289 ◽  
Author(s):  
Jianfeng Wang ◽  
Xiaojing Fan ◽  
Yan Liu ◽  
Zhenxia Du ◽  
Yuechao Feng ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
High Pressure ◽  
Liquid Chromatography ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Tandem Mass ◽  
Phase Extraction ◽  
Milk Samples ◽  
Ultra High Pressure ◽  
Hydrophilic Lipophilic Balance

A method employing a type of filtered solid phase extraction based on the PRiME hydrophilic lipophilic balance (HLB) was developed for extracting cephalosporin compounds from milk samples.

scholarly journals Microcin E492 Is an Unmodified Peptide Related in Structure to Colicin V

2002 ◽  
Vol 46 (1) ◽  
pp. 229-230 ◽  
Author(s):  
Anne-Marie Pons ◽  
Nathalie Zorn ◽  
David Vignon ◽  
François Delalande ◽  
Alain Van Dorsselaer ◽  
...  
Keyword(s):  
High Pressure ◽  
Liquid Chromatography ◽  
Amino Acid ◽  
Amino Acid Sequence ◽  
Solid Phase Extraction ◽  
Molecular Mass ◽  
Solid Phase ◽  
Reversed Phase ◽  
Phase Extraction ◽  
Colicin V

ABSTRACT The pore-forming microcin E492 was purified by solid-phase extraction and reversed-phase high-pressure liquid chromatography. Its molecular mass was 7,886 Da. The entire 84-amino-acid sequence was determined. There is no postranslational modification in the secreted microcin, and the sequence has homologies with the sequence of the microcin colicin V.

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