Development and validation of a microsomal online cytochrome P450 bioreactor coupled to solid-phase extraction and reversed-phase liquid chromatography

2005 ◽  
Vol 1075 (1-2) ◽  
pp. 205-212 ◽  
Author(s):  
Sebastiaan M. van Liempd ◽  
Jeroen Kool ◽  
Jelle Reinen ◽  
Tim Schenk ◽  
John H.N. Meerman ◽  
...  
Keyword(s):  
Cytochrome P450 ◽  
Liquid Chromatography ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Reversed Phase ◽  
Phase Extraction ◽  
Reversed Phase Liquid Chromatography ◽  
Phase Liquid ◽  
Development And Validation

Spherical Clay Conglomerates:  A Novel Stationary Phase for Solid-Phase Extraction and “Reversed-Phase” Liquid Chromatography

1999 ◽  
Vol 71 (11) ◽  
pp. 2171-2178 ◽  
Author(s):  
Thomas D. Bucheli ◽  
Stephan R. Müller ◽  
Patrick Reichmuth ◽  
Stefan B. Haderlein ◽  
René P. Schwarzenbach
Keyword(s):  
Liquid Chromatography ◽  
Solid Phase Extraction ◽  
Stationary Phase ◽  
Solid Phase ◽  
Reversed Phase ◽  
Phase Extraction ◽  
Reversed Phase Liquid Chromatography ◽  
Phase Liquid

Determination of Roxarsone in Feeds Using Solid Phase Extraction and Liquid Chromatography With Ultraviolet Detection

1993 ◽  
Vol 76 (5) ◽  
pp. 956-961 ◽  
Author(s):  
Robert E Sapp ◽  
Sandra Davidson
Keyword(s):  
Liquid Chromatography ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Reversed Phase ◽  
Poultry Feed ◽  
Phase Extraction ◽  
Reversed Phase Liquid Chromatography ◽  
Field Samples ◽  
Phase Liquid

Abstract A method is presented for detection and quantitation of Roxarsone in poultry feed by liquid chromatography. The drug is extracted by phosphate buffer and determined by solid phase extraction and reversed-phase liquid chromatography. Recoveries of the sample spikes and fortified field samples agree closely with those obtained by the standard spectrophotometric method.

Determination of Tylosin and Tilmicosin Residues in Animal Tissues by Reversed-Phase Liquid Chromatography

1994 ◽  
Vol 77 (2) ◽  
pp. 331-333 ◽  
Author(s):  
Wayne Chan ◽  
Geoff C Gerhardt ◽  
Craig D C Salisbury
Keyword(s):  
Liquid Chromatography ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Reversed Phase ◽  
Phase Extraction ◽  
Animal Tissues ◽  
Reversed Phase Liquid Chromatography ◽  
Tissue Extracts ◽  
Phase Liquid

Abstract A method for the simultaneous determination of ty-losin and tilmicosin residues in animal tissues is reported. Solid-phase extraction columns are used to isolate the drugs from tissue extracts. Determination is accomplished by reversed-phase liquid chromatography with UV detection at 287 nm. Mean recoveries from spiked tissues were 79.9% (coefficient of variation [CV], 8.1%) for tylosin and 92.6% (CV, 8.7%) for tilmicosin. Detection limits for tylosin and tilmicosin were 0.020 and 0.010 ppm, respectively.

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