Separation, pre-concentration, and HPLC analysis of methylxanthines in urine samples

Journal of Separation Science

Volumn 27, Issue 14, 2004, Pages 1166-1172

  Zydroń, Mirosława ^a   Baranowski, Jacek ^b   Baranowska, Irena ^a  

^a SILESIAN UNIVERSITY OF TECHNOLOGY   (Poland)

^b MEDICAL UNIVERSITY OF SILESIA   (Poland)

Author keywords

HPLC; Methyluric acids; Methylxanthines; SPE; Urine

Indexed keywords

ACETONITRILE; CONCENTRATION (PROCESS); HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; ORGANIC ACIDS; SEPARATION; SOLVENT EXTRACTION;

ASTHMA; PRE-CONCENTRATION;

METHANOL;

1 METHYLURIC ACID; 1 METHYLXANTHINE; 1,3 DIMETHYLURIC ACID; 1,7 DIMETHYLURIC ACID; 3 METHYLXANTHINE; 7 METHYLXANTHINE; ACETONITRILE; CAFFEINE; METHYLXANTHINE DERIVATIVE; PARAXANTHINE; THEOBROMINE; THEOPHYLLINE; TRIFLUOROACETIC ACID; URIC ACID DERIVATIVE;

ANALYZER; ARTICLE; ASTHMA; CHEMICAL ANALYSIS; CHEMICAL PROCEDURES; CONTROLLED STUDY; DRUG URINE LEVEL; EXTRACTION; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; HUMAN; PRIORITY JOURNAL; PROCESS DEVELOPMENT; SEPARATION TECHNIQUE; URINALYSIS;

CAFFEINE; CALIBRATION; CHROMATOGRAPHY, HIGH PRESSURE LIQUID; HUMANS; MOLECULAR STRUCTURE; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; THEOBROMINE; URIC ACID; URINE; XANTHINES;

EID: 7944221210     PISSN: 16159306     EISSN: None     Source Type: Journal    
DOI: 10.1002/jssc.200401841     Document Type: Article

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