Howald W - Search Results

1

Quantitative contribution of CYP2D6 and CYP3A to oxycodone metabolism in human liver and intestinal microsomes.

Lalovic B, Phillips B, Risler LL, Howald W, Shen DD. Lalovic B, et al. Among authors: howald w. Drug Metab Dispos. 2004 Apr;32(4):447-54. doi: 10.1124/dmd.32.4.447. Drug Metab Dispos. 2004. PMID: 15039299

2

Effect of inhibitor depletion on inhibitory potency: tight binding inhibition of CYP3A by clotrimazole.

Gibbs MA, Kunze KL, Howald WN, Thummel KE. Gibbs MA, et al. Among authors: howald wn. Drug Metab Dispos. 1999 May;27(5):596-9. Drug Metab Dispos. 1999. PMID: 10220488

3

Analysis of hydroxylated and N-dealkylated metabolites of terfenadine in microsomal incubates by liquid chromatography--mass spectrometry.

Madani S, Howald WN, Lawrence RF, Shen DD. Madani S, et al. Among authors: howald wn. J Chromatogr B Biomed Sci Appl. 2000 May 12;741(2):145-53. doi: 10.1016/s0378-4347(00)00042-6. J Chromatogr B Biomed Sci Appl. 2000. PMID: 10872584

4

Rapid quantitation of cyclophosphamide metabolites in plasma by liquid chromatography-mass spectrometry.

Kalhorn TF, Howald WN, Cole S, Phillips B, Wang J, Slattery JT, McCune JS. Kalhorn TF, et al. Among authors: howald wn. J Chromatogr B Analyt Technol Biomed Life Sci. 2006 May 1;835(1-2):105-13. doi: 10.1016/j.jchromb.2006.03.022. Epub 2006 Apr 11. J Chromatogr B Analyt Technol Biomed Life Sci. 2006. PMID: 16581318

5

Biosynthesis of all-trans-retinoic acid from all-trans-retinol: catalysis of all-trans-retinol oxidation by human P-450 cytochromes.

Chen H, Howald WN, Juchau MR. Chen H, et al. Among authors: howald wn. Drug Metab Dispos. 2000 Mar;28(3):315-22. Drug Metab Dispos. 2000. PMID: 10681376

6

Subnanomolar quantification of caffeine's in vitro metabolites by stable isotope dilution gas chromatography-mass spectrometry.

Regal KA, Howald WN, Peter RM, Gartner CA, Kunze KL, Nelson SD. Regal KA, et al. Among authors: howald wn. J Chromatogr B Biomed Sci Appl. 1998 Apr 24;708(1-2):75-85. doi: 10.1016/s0378-4347(97)00656-7. J Chromatogr B Biomed Sci Appl. 1998. PMID: 9653949

7

Trichloroethylene oxidative metabolism in plants: the trichloroethanol pathway.

Shang TQ, Doty SL, Wilson AM, Howald WN, Gordon MP. Shang TQ, et al. Among authors: howald wn. Phytochemistry. 2001 Dec;58(7):1055-65. doi: 10.1016/s0031-9422(01)00369-7. Phytochemistry. 2001. PMID: 11730869

8

Characterization of a noncovalent lipocalin complex by liquid chromatography/electrospray ionization mass spectrometry.

Doneanu CE, Strong RK, Howald WN. Doneanu CE, et al. Among authors: howald wn. J Biomol Tech. 2004 Sep;15(3):208-12. J Biomol Tech. 2004. PMID: 15331587 Free PMC article.

9

Analysis of testosterone and dihydrotestosterone from biological fluids as the oxime derivatives using high-performance liquid chromatography/tandem mass spectrometry.

Kalhorn TF, Page ST, Howald WN, Mostaghel EA, Nelson PS. Kalhorn TF, et al. Among authors: howald wn. Rapid Commun Mass Spectrom. 2007;21(19):3200-6. doi: 10.1002/rcm.3205. Rapid Commun Mass Spectrom. 2007. PMID: 17764104

10

Application of thermospray liquid chromatography-mass spectrometry to the simultaneous quantification of tracer concentrations of isotopically labelled carbamazepine epoxide and steady-state levels of carbamazepine and carbamazepine epoxide.

Moor MJ, Rashed MS, Kalhorn TF, Levy RH, Howald WN. Moor MJ, et al. Among authors: howald wn. J Chromatogr. 1989 Jul 14;474(1):223-30. doi: 10.1016/s0021-9673(01)93917-2. J Chromatogr. 1989. PMID: 2768394

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