These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.
156 related articles for article (PubMed ID: 890077)
21. Extraction of purine alkaloids from maté (Ilex paraguariensis) using supercritical CO(2). Saldaña MD; Mohamed RS; Baer MG; Mazzafera P J Agric Food Chem; 1999 Sep; 47(9):3804-8. PubMed ID: 10552725 [TBL] [Abstract][Full Text] [Related]
22. Microdialysis sampling coupled on-line to fast microbore liquid chromatography. Chen A; Lunte CE J Chromatogr A; 1995 Feb; 691(1-2):29-35. PubMed ID: 7894654 [TBL] [Abstract][Full Text] [Related]
23. Two distinct pathways for metabolism of theophylline and caffeine are coexpressed in Pseudomonas putida CBB5. Yu CL; Louie TM; Summers R; Kale Y; Gopishetty S; Subramanian M J Bacteriol; 2009 Jul; 191(14):4624-32. PubMed ID: 19447909 [TBL] [Abstract][Full Text] [Related]
24. Reversed-phase high-performance liquid chromatographic determination of caffeine and its N-demethylated metabolites in dog plasma. Tse FL; Szeto DW J Chromatogr; 1981 Nov; 226(1):231-6. PubMed ID: 7320147 [No Abstract] [Full Text] [Related]
25. Determination of caffeine, paraxanthine, theophylline and theobromine in premature infants by HILIC-MS/MS. Wen SY; Ma H; Chen XL; Zhao Y; Liu Y; Li Y; Lu C; Wang YQ; Sun LN Bioanalysis; 2022 Dec; 14(23):1497-1508. PubMed ID: 36825935 [No Abstract] [Full Text] [Related]
26. Caffeine demethylation monitoring using a transdermal sweat patch. Delahunty T; Schoendorfer D J Anal Toxicol; 1998; 22(7):596-600. PubMed ID: 9847011 [TBL] [Abstract][Full Text] [Related]
27. Improved high-performance liquid chromatographic method for the simultaneous determination of caffeine and its N-demethylated metabolites in plasma using solid-phase extraction. Hartley R; Smith IJ; Cookman JR J Chromatogr; 1985 Jul; 342(1):105-17. PubMed ID: 4044740 [TBL] [Abstract][Full Text] [Related]
28. Excretion of caffeine and its primary degradation products into bile. Holstege A; Kurz M; Weinbeck M; Gerok W J Hepatol; 1993 Jan; 17(1):67-73. PubMed ID: 8445222 [TBL] [Abstract][Full Text] [Related]
29. The effect of methylxanthines on chromosomes of human lyphocytes in culture. Weinstein D; Mauer I; Katz ML; Kazmer S Mutat Res; 1975 Feb; 31(1):57-61. PubMed ID: 1128545 [TBL] [Abstract][Full Text] [Related]
30. Deuteromethylation of dimethylxanthines: a gas chromatographic mass spectrometric method for confirmatory analysis in horse urine extracts. Houghton E Biomed Mass Spectrom; 1982 Mar; 9(3):103-7. PubMed ID: 7066481 [TBL] [Abstract][Full Text] [Related]
31. The measurement of theophylline in human serum or plasma using gas chromatography and isotope dilution-mass spectrometry (GC-IDMS) taking other substituted xanthines into consideration. Kress M; Meissner D; Kaiser P; Hanke R; Wood WG Clin Lab; 2002; 48(9-10):535-40. PubMed ID: 12389715 [TBL] [Abstract][Full Text] [Related]
32. Degradation of caffeine and related methylxanthines bySerratia marcescens isolated from soil under coffee cultivation. Mazzafera P; Olsson O; Sandberg G Microb Ecol; 1996 Mar; 31(2):199-207. PubMed ID: 24185743 [TBL] [Abstract][Full Text] [Related]
33. Use of novel solid-phase extraction sorbent materials for high-performance liquid chromatography quantitation of caffeine metabolism products methylxanthines and methyluric acids in samples of biological origin. Georgia KA; Samanidou VF; Papadoyannis IN J Chromatogr B Biomed Sci Appl; 2001 Aug; 759(2):209-18. PubMed ID: 11499474 [TBL] [Abstract][Full Text] [Related]
34. Disposition of caffeine and its metabolites in man. Tang-Liu DD; Williams RL; Riegelman S J Pharmacol Exp Ther; 1983 Jan; 224(1):180-5. PubMed ID: 6848742 [TBL] [Abstract][Full Text] [Related]
35. Concurrent measurement of theophylline and caffeine in neonates by an interference-free liquid-chromatographic method. Ou CN; Frawley VL Clin Chem; 1983 Nov; 29(11):1934-6. PubMed ID: 6354512 [TBL] [Abstract][Full Text] [Related]
36. Ion-pair high-performance liquid chromatographic procedure for the quantitative analysis of theophylline in serum samples. Lauff JJ J Chromatogr; 1987 Jun; 417(1):99-109. PubMed ID: 3624406 [TBL] [Abstract][Full Text] [Related]
37. Two high-performance liquid chromatographic methods for quantitation of theophylline in plasma. Park YH; Goshorn C; Hinsvark O J Chromatogr; 1985 Oct; 343(2):359-67. PubMed ID: 4066877 [TBL] [Abstract][Full Text] [Related]
38. HPLC analysis of methylxanthines in human breast milk. Blanchard J; Weber CW; Shearer LE J Chromatogr Sci; 1990 Dec; 28(12):640-2. PubMed ID: 2292610 [TBL] [Abstract][Full Text] [Related]
39. Simultaneous determination of caffeine and its N-demethylated metabolites in umbilical cord plasma using high-performance liquid chromatography. Hartley R; Cookman JR; Smith IJ J Chromatogr; 1984 Mar; 306():191-203. PubMed ID: 6715458 [TBL] [Abstract][Full Text] [Related]
40. Improved high-performance liquid chromatographic assay for theophylline in plasma and saliva in the presence of caffeine and its metabolites and comparisons with three other assays. Muir KT; Kunitani M; Riegelman S J Chromatogr; 1982 Aug; 231(1):73-82. PubMed ID: 7119067 [No Abstract] [Full Text] [Related] [Previous] [Next] [New Search]