Research Topics
| Wonku KangSummaryAffiliation: Catholic University of Daegu Country: Korea Publications
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Detail Information
Publications
Enantioselective determination of sibutramine and its active metabolites in human plasmaWonku Kang
College of Pharmacy, Catholic University of Daegu, Kyoungbuk, South Korea
J Pharm Biomed Anal 51:264-7. 2010..This method was successfully used to profile the plasma concentrations of the stereoisomers of sibutramine and its two active metabolites with time in healthy volunteers...
Simple and sensitive determination of nisoldipine in plasma using liquid chromatography-tandem mass spectrometryWonku Kang
College of Pharmacy, Catholic University of Daegu, Kyoungbuk, South Korea
Anal Sci 22:1597-9. 2006..7%, and the accuracy ranged from 86 to 112%. The limit of quantification was 0.1 ng/ml. This method was used to measure the plasma concentration of nisoldipine from healthy subjects after a single 5-mg oral dose of nisoldipine...
Effect of food on systemic exposure to niflumic acid following postprandial administration of talniflumateWonku Kang
College of Pharmacy, Catholic University of Daegu, Kyoungbuk, Korea
Eur J Clin Pharmacol 64:1027-30. 2008..The prandial effect on talniflumate absorption remains unclear; therefore, this study investigated the effect of food on the systemic exposure to niflumic acid in healthy volunteers...
Determination of talniflumate and niflumic acid in human plasma by liquid chromatography-tandem mass spectrometryWonku Kang
College of Pharmacy, Catholic University of Daegu, Kyoungbuk 712 702, South Korea
Anal Sci 25:571-4. 2009..This method was used to measure the plasma concentrations of both compounds from healthy subjects after a single oral dose of talniflumate, 740 mg...
Protective role of intestinal bacterial metabolism against baicalin-induced toxicity in HepG2 cell culturesTilak Khanal
Department of Toxicology, College of Pharmacy, Chungnam National University, Daejeon, South Korea
J Toxicol Sci 37:363-71. 2012..Taken all together, the findings suggested that metabolism of baicalin by human fecalase to baicalein might have protective effects against baicalin-induced toxicity in HepG2 cells...
Determination of daumone in mouse plasma by HPLC/MS-MSKeumhan Noh
College of Pharmacy, Yeungnam University, Kyoungsan, Kyoungbuk 712 749, South Korea
Biomed Chromatogr 26:152-5. 2012..This method was applied to measure the plasma daumone concentrations following a 5-week repeated oral administration of daumone in mice...
Biotransformation of geniposide by human intestinal microflora on cytotoxicity against HepG2 cellsTilak Khanal
Department of Toxicology, College of Pharmacy, Chungnam National University, Daejeon 305 764, South Korea
Toxicol Lett 209:246-54. 2012..Moreover, activated GS-induced cell death was reversed by SP600125. Taken together, these findings suggest that human IM is able to metabolize GS into GP, and the related biological activities induce apoptosis through ROS/JNK signaling...
Effects of rutaecarpine on the metabolism and urinary excretion of caffeine in ratsKeumhan Noh
College of Pharmacy, Yeungnam University, Gyeongsan, Korea
Arch Pharm Res 34:119-25. 2011..These results clearly suggest that rutaecarpine increases the metabolism of caffeine, theophylline, theobromine, and paraxanthine by inducing CYP1A2 and CYP2E1 in rats...
Enantioselective pharmacokinetics of sibutramine in ratKeumhan Noh
College of Pharmacy, Catholic University of Daegu, Kyoungbuk 712 702, Korea
Arch Pharm Res 33:267-73. 2010..The present study is the first to elucidate the enantioselective pharmacokinetics of sibutramine in rats...
Contribution of pH to systemic exposure of niflumic acid following oral administration of talniflumateEunyoung Kim
College of Pharmacy, Chungnam National University, Daejeon, 305 764, Korea
Eur J Clin Pharmacol 67:425-8. 2011..To clarify the underlying mechanism, an in vitro dissolution study of talniflumateonducted at different pH values, and magnesium hydroxide was co-administered in healthy volunteers...
Role of metabolism in 1-bromopropane-induced hepatotoxicity in miceSang Kyu Lee
College of Pharmacy, Yeungnam University, Gyeongsan, Korea
J Toxicol Environ Health A 73:1431-40. 2010..In addition, the hepatotoxicity induced by 1-BP was prevented by pretreatment with SKF-525A. Taken together, the formation of reactive metabolites by CYP and depletion of GSH may play important roles in hepatotoxicity induced by 1-BP...
Protective role of metabolism by intestinal microflora in butyl paraben-induced toxicity in HepG2 cell culturesTilak Khanal
Department of Toxicology, College of Pharmacy, Chungnam National University, Daejeon 305 764, South Korea
Toxicol Lett 213:174-83. 2012..Taken together, the findings suggested that metabolism of BP by human fecalase might have protective effects against BP-induced toxicity in HepG2 cells...
Simultaneous determination of zolazepam and tiletamine in dog plasma by liquid chromatography coupled to a tandem mass spectrometryKyeumhan Noh
College of Pharmacy, Yeungnam University, Kyoungbuk, South Korea
Biomed Chromatogr 26:1133-6. 2012..This method was used to measure the concentrations of zolazepam and tiletamine in plasma after a single intramuscular 10 mg dose of each in beagle dogs...
Quantitative determination of daumone in rat plasma by liquid chromatography-mass spectrometryKeumhan Noh
College of Pharmacy, Yeungnam University, Kyoungsan, Kyoungbuk 712 749, South Korea
J Pharm Biomed Anal 56:114-7. 2011..This method was applied to measure the plasma daumone concentrations after a single intravenous administration of daumone in rats...
Simultaneous determination of L-arginine, asymmetric dimethylarginine, and symmetric dimethylarginine in the plasma of rodents with LC-MS/MSJung Woo Chae
College of Pharmacy, Chungnam National University, Daejeon, Korea
Arzneimittelforschung 61:340-6. 2011..81 +/- 19.38 microM, 0.66 +/- 0.21 microM, and 0.42 +/- 0.10 microM, respectively, in mice. These results will provide a basis on which to evaluate cardiovascular drug effects on ARG, ADMA, and SDMA levels in new drug development...
Simultaneous determination of glimepiride and its metabolites in human plasma by liquid chromatography coupled to a tandem mass spectrometryKyeumhan Noh
College of Pharmacy, Yeungnam University, Kyoungbuk, 712 749, Korea
Arch Pharm Res 34:2073-8. 2011..This method was used to measure the concentrations of glimepiride, M1, and M2 in plasma after a single oral 2-mg dose of glimepiride in volunteers...
Quantitative determination of cefetamet in human plasma by liquid chromatography-mass spectrometryKeumhan Noh
College of Pharmacy, Catholic University of Daegu, Kyoungsan, Kyoungbuk 712 702, South Korea
Biomed Chromatogr 25:779-82. 2011..This method was used to measure the concentrations of the cefetamet in plasma after a single oral administration of 500 mg cefetamet pivoxyl...
Analysis of enantiomers of sibutramine and its metabolites in rat plasma by liquid chromatography-mass spectrometry using a chiral stationary-phase columnKyoungjin Bae
College of Pharmacy, Catholic University of Daegu, Hayang eup, Kyoungbuk 712 702, South Korea
J Pharm Biomed Anal 50:267-70. 2009..This method was used to measure the concentrations of the enantiomers of sibutramine, MDS, and DDS in plasma after a single oral dose of 10 mg/kg racemic sibutramine in rats...
Simple and sensitive determination of menatetrenone and its epoxide metabolite in human plasmaWonku Kang
College of Pharmacy, Catholic University of Daegu, Kyoungbuk 712 702, South Korea
J Pharm Biomed Anal 44:1178-82. 2007..5 and 0.2 ng/ml, respectively. This method was used to simultaneously measure the plasma concentration of menatetrenone and its epoxide metabolite from healthy subjects after a single 30 mg oral dose of menatetrenone...
Quantitative determination of aceclofenac and its three major metabolites in rat plasma by HPLC-MS/MSEunyoung Kim
College of Pharmacy, Ewha Womans University, Seoul, South Korea
J Sep Sci 35:2219-22. 2012..This method was successfully used to measure the concentrations of aceclofenac and its three major metabolites in rat plasma following the oral administration of a single 20 mg/kg oral dose of aceclofenac...
Quantitative determination of sparfloxacin in rat plasma by liquid chromatography/tandem mass spectrometryKeumhan Noh
College of Pharmacy, Catholic University of Daegu, Kyoungbuk 712 702, South Korea
Biomed Chromatogr 24:1199-202. 2010..This method was applied to measure the plasma sparfloxacin concentrations after a single oral administration of sparfloxacin in rats...
Enhanced solubility and bioavailability of sibutramine base by solid dispersion system with aqueous mediumDong Xun Li
College of Pharmacy, Yeungnam University, 214 1 Dae Dong, Gyongsan 712 749, South Korea
Biol Pharm Bull 33:279-84. 2010..Thus, this solid dispersion system would be useful to deliver poorly water-soluble sibutramine base with enhanced bioavailability...
Determination of a novel low-voltage-activated calcium channel blocker (HYP-10) in rat plasma by liquid chromatography-mass spectrometryKeumhan Noh
College of Pharmacy, Catholic University of Daegu, Kyoungbuk 712 702, South Korea
J Pharm Biomed Anal 54:568-71. 2011..This method was applied to measure the plasma HYP-10 concentration after a single intravenous administration of the compound in rats...
Role of metabolism by intestinal bacteria in arbutin-induced toxicity in vitroMi Jeong Kang
College of Pharmacy, Yeungnam University, Gyeongsan, 712 749, Korea
Arch Pharm Res 34:687-93. 2011..The results indicate that the present toxicity testing system might be applied for assessing the possible role of metabolism by intestinal bacteria in certain chemical-induced toxicity in mammalian cell cultures...
The effects of food on the bioavailability of fenofibrate administered orally in healthy volunteers via sustained-release capsuleHwi-Yeol Yun
College of Pharmacy, Chungnam National University, Daejeon, Korea
Clin Pharmacokinet 45:425-32. 2006..01). The greatest AUC(infinity) and C(max) occurred when the capsules were taken after a high-fat breakfast...
Effect of decursinol angelate on the pharmacokinetics of theophylline and its metabolites in ratsJung Woo Chae
College of Pharmacy, Chungnam National University, Daejeon, South Korea
Food Chem Toxicol 50:3666-72. 2012....
Population pharmacokinetics of cyclosporine in Korean adults undergoing living-donor kidney transplantationEunhee Ji
College of Pharmacy, Seoul National University, Seoul, South Korea
Pharmacotherapy 31:574-84. 2011..To estimate the population pharmacokinetic parameters of cyclosporine in Korean adults undergoing living-donor kidney transplantation, and to identify clinical factors affecting cyclosporine pharmacokinetics...
Simultaneous determination of aceclofenac and its three metabolites in plasma using liquid chromatography-tandem mass spectrometryWonku Kang
College of Pharmacy, Catholic University of Daegu, Kyoungbuk 712 702, South Korea
J Pharm Biomed Anal 46:587-91. 2008..This analytic method is a very simple, sensitive, and accurate way to determine the pharmacokinetics of aceclofenac and its metabolites...
Determination of afloqualone in human plasma using liquid chromatography/tandem mass spectrometry: Application to pharmacokinetic studies in humansHwi yeol Yun
College of Pharmacy, Chungnam National University, Daejeon, Korea
Talanta 73:635-43. 2007..We believe that this phenomenon was related to the cleanness of the sample and its chemical nature...
Nephrotoxic potential and toxicokinetics of tetrabromobisphenol A in rat for risk assessmentMi Jeong Kang
College of Pharmacy, Yeungnam University, Gyeongsan, South Korea
J Toxicol Environ Health A 72:1439-45. 2009..The present results suggested that TBBPA may not be toxic to kidney, as the chemical is not bioavailable and is not present in renal tissue...
Assessment of adherence to the CONSORT statement for quality of reports on randomized controlled trial abstracts from four high-impact general medical journalsSaurav Ghimire
Department of Clinical Pharmacy, College of Pharmacy, Chungnam National University, 99, Dehak ro, Yuseong Gu, Daejeon, 305 764, South Korea
Trials 13:77. 2012..To date, few data exist regarding whether it has achieved this goal. We evaluated the extent of adherence to the CONSORT for Abstract statement for quality of reports on RCT abstracts by four high-impact general medical journals...
Comparison of average, scaled average, and population bioequivalence methods for assessment of highly variable drugs: an experience with doxifluridine in beagle dogsIn hwan Baek
College of Pharmacy, Chungnam National University, Daejeon 305 764, South Korea
Eur J Pharm Sci 39:175-80. 2010..73) of the PBE (population bioequivalence), calculated using total variance. Our results suggest that the SABE method may be useful for evaluating the BE of HVDs and for meeting the need for international guidelines for BE...
Analysis of benidipine enantiomers in human plasma by liquid chromatography-mass spectrometry using a macrocyclic antibiotic (Vancomycin) chiral stationary phase columnWonku Kang
Department of Pharmacology and PharmacoGenomics Research Center, College of Medicine, Inje University, Busan 614-735, Republic of Korea
J Chromatogr B Analyt Technol Biomed Life Sci 814:75-81. 2005..96- and 1.85-fold, respectively (p<0.001), whereas, the T(max) and t(1/2) for each of the benidipine stereoisomers were not significantly different...
Determination of benidipine in human plasma using liquid chromatography-tandem mass spectrometryWonku Kang
Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan, Republic of Korea
J Chromatogr B Analyt Technol Biomed Life Sci 805:311-4. 2004..This method is a very simple, sensitive, and accurate way to determine the plasma benidipine concentration...
P-glycoprotein inhibitors enhance saturable uptake of idarubicin in rat heart: pharmacokinetic/pharmacodynamic modelingMichael Weiss
Section of Pharmacokinetics, Department of Pharmacology, Martin Luther University Halle Wittenberg, Halle, Germany
J Pharmacol Exp Ther 300:688-94. 2002..Verapamil and amiodarone attenuated the negative inotropic action of idarubicin, which was linked to the intracellular concentration of idarubicin...
