scholarly journals Characterization of microbial degradation of oxytetracycline in river water and sediment using reversed phase high performance liquid chromatography

2015 ◽  
Vol 14 (1) ◽  
pp. 1-9 ◽  
Author(s):  
J. Kugara ◽  
P. Dzomba ◽  
M. F. Zaranyika
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
River Water ◽  
Microbial Degradation ◽  
High Performance ◽  
Reversed Phase ◽  
Water And Sediment

Separation and characterization of oligomers by reversed-phase high-performance liquid chromatography; a study on well-defined oligothiophenes

2001 ◽  
Vol 911 (1) ◽  
pp. 13-26 ◽  
Author(s):  
E.C Vonk ◽  
B.M.W Langeveld-Voss ◽  
J.L.J van Dongen ◽  
R.A.J Janssen ◽  
H.A Claessens ◽  
...  
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
High Performance ◽  
Reversed Phase

scholarly journals Separation and characterization of pentacarboxylic porphyrinogen isomers by high-performance liquid chromatography with electrochemical detection

1987 ◽  
Vol 243 (2) ◽  
pp. 621-623 ◽  
Author(s):  
F Li ◽  
C K Lim ◽  
T J Peters
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Electrochemical Detection ◽  
High Performance ◽  
High Sensitivity ◽  
Reversed Phase ◽  
Small Scale ◽  
Preparative Isolation ◽  
Naturally Occurring

A reversed-phase h.p.l.c. system is described for the separation of all five naturally occurring pentacarboxylic porphyrinogen isomers. The compounds are detected electrochemically with high sensitivity. The peaks are positively identified by h.p.l.c. analysis of the pentacarboxylic porphyrinogens from reduction of pentacarboxylic porphyrins prepared by partial decarboxylation of hexa- and hepta-carboxylic porphyrin III of known structures. The resolution of pentacarboxylic porphyrinogens is superior to that of the porphyrins and the method is applicable to the small-scale preparative isolation of pure isomers.

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