Maw Rong Lee

Summary

Affiliation: National Chung Hsing University
Country: Taiwan

Publications

  1. ncbi request reprint Determination of benzene, toluene, ethylbenzene, xylenes in water at sub-ng l-1 levels by solid-phase microextraction coupled to cryo-trap gas chromatography-mass spectrometry
    Maw Rong Lee
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Chemosphere 69:1381-7. 2007
  2. doi request reprint Sphingomicrobium astaxanthinifaciens sp. nov., an astaxanthin-producing glycolipid-rich bacterium isolated from surface seawater and emended description of the genus Sphingomicrobium
    Mariyam Shahina
    Department of Soil and Environmental Sciences, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung 402, Taiwan
    Int J Syst Evol Microbiol 63:3415-22. 2013
  3. doi request reprint Emoghrelin, a unique emodin derivative in Heshouwu, stimulates growth hormone secretion via activation of the ghrelin receptor
    Yuan Hao Lo
    Graduate Institute of Biotechnology, National Chung Hsing University, Taichung 402, Taiwan
    J Ethnopharmacol 159:1-8. 2015
  4. ncbi request reprint Identification and comparison of phenolic compounds in the preparation of oolong tea manufactured by semifermentation and drying processes
    Jianpeng Dou
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, Republic of China
    J Agric Food Chem 55:7462-8. 2007
  5. ncbi request reprint LC-APCI-MS method for detection and analysis of tryptanthrin, indigo, and indirubin in daqingye and banlangen
    Bing Chung Liau
    National Chung Hsing University, Department of Chemistry, Taichung, Taiwan, ROC
    J Pharm Biomed Anal 43:346-51. 2007
  6. doi request reprint Study of the release of gallic acid from (-)-epigallocatechin gallate in old oolong tea by mass spectrometry
    Ren Jye Lee
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Rapid Commun Mass Spectrom 24:851-8. 2010
  7. doi request reprint Gramella planctonica sp. nov., a zeaxanthin-producing bacterium isolated from surface seawater, and emended descriptions of Gramella aestuarii and Gramella echinicola
    Mariyam Shahina
    Department of Soil and Environmental Sciences, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung, 402, Taiwan
    Antonie Van Leeuwenhoek 105:771-9. 2014
  8. ncbi request reprint Analysis of aristolochic acid in nine sources of Xixin, a traditional Chinese medicine, by liquid chromatography/atmospheric pressure chemical ionization/tandem mass spectrometry
    Ting Ting Jong
    Department of Chemistry, National Chung Hsin University, Taichung, Taiwan
    J Pharm Biomed Anal 33:831-7. 2003
  9. ncbi request reprint Rapid identification of acylated flavonol tetraglycosides in oolong teas using HPLC-MSn
    Jianpeng Dou
    Department of Chemistry, National Chung Hsing University, Taichung, Taiwan 40227, Republic of China
    Phytochem Anal 19:251-7. 2008
  10. ncbi request reprint Using LC/MS/MS to determine matrine, oxymatrine, ferulic acid, mangiferin, and glycyrrhizin in the Chinese medicinal preparations Shiau-feng-saan and Dang-guei-nian-tong-tang
    Ting Ting Jong
    Department of Chemistry, National Chung Hsin University, Taichung, Taiwan
    J Pharm Biomed Anal 40:472-7. 2006

Collaborators

  • Ting Ting Jong
  • Chi Chung Chou
  • Chi I Chang
  • P D Rekha
  • Youn Yuen Shu
  • Shao Qing Cai
  • Satnam Singh
  • Tian Shung Wu
  • Jen Fon Jen
  • Chih Yang Huang
  • Chung Yu Chen
  • Ren Jye Lee
  • Asif Hameed
  • Zu Guang Li
  • Jason T C Tzen
  • Hsin Pin Ho
  • Bing Chung Liau
  • Mariyam Shahina
  • Viola S Y Lee
  • Li Wen Chung
  • Yuan Hao Lo
  • Ying Jie Chen
  • Cheng Han Hung
  • Chiu Chung Young
  • Jianpeng Dou
  • Wen Lin Liu
  • Tzung Jie Yang
  • Yi Hui Lin
  • Shih Yao Lin
  • Yen Chen Ko
  • Thomas Ching Cherng Yang
  • Yen Hsien Li
  • Tse yu Chung
  • Wen Ying Chen
  • Tse Tsung Ho
  • Han Yun Hsieh
  • Pei Cheng Wang
  • Tran Duc Dung
  • Bao Huey Hwang
  • Wei Xun Wang
  • Yan Zin Chang
  • Tzu Feng Tsai
  • Jung Hui Chen
  • Shu Tuan Chiang
  • Shou Mei Wu
  • Wei Kung Ko
  • Kuan Hui Lu
  • Cheng Hsiung Kuo
  • Shi Yann Cheng
  • Nan hei Lin
  • Tzu Min Chan
  • Yi Wen Lin
  • Jason Tc Tzen
  • Tzyy Rong Jinn
  • You Cheng Liu
  • Wei An Lai
  • Yi Han Hsu
  • I Chen Cheng
  • Hai Tung Feng
  • Chang Hai Tsai
  • Wen Ming Chen
  • Thomas W Vickroy
  • Li Sen Young
  • Truong Viet Binh
  • Wei Wen Kuo
  • Kandikere Ramaiah Sridhar
  • Hsien Cheh Chang
  • Jui Hsing Chou
  • Chen Wei Liao
  • Ching Lin Shyu
  • Mei Tzu Lin
  • Fuu Jen Tsai
  • Li Mien Chen
  • Soo Ray Wang
  • A B Arun
  • Keh Liang Lin
  • Chien Chun Shen
  • Cheng Yu Lee
  • Jui Feng Chiang
  • Geng Jhih Liu
  • Ruey Song Lin
  • Ronald J Y Chen
  • Shih Shiung Chen
  • Fu Chou Cheng
  • Gong Jhe Wu
  • Shun Sheng Hsiao

Detail Information

Publications46

  1. ncbi request reprint Determination of benzene, toluene, ethylbenzene, xylenes in water at sub-ng l-1 levels by solid-phase microextraction coupled to cryo-trap gas chromatography-mass spectrometry
    Maw Rong Lee
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Chemosphere 69:1381-7. 2007
    ..The results indicate that HS-SPME coupled to cryo-trap GC-MS is an effective tool for analysis of BTEX in water samples at the sub-ng l(-1) level...
  2. doi request reprint Sphingomicrobium astaxanthinifaciens sp. nov., an astaxanthin-producing glycolipid-rich bacterium isolated from surface seawater and emended description of the genus Sphingomicrobium
    Mariyam Shahina
    Department of Soil and Environmental Sciences, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung 402, Taiwan
    Int J Syst Evol Microbiol 63:3415-22. 2013
    ..nov. is proposed; the type strain is CC-AMO-30B(T) ( =JCM 18551(T) =BCRC 80465(T))...
  3. doi request reprint Emoghrelin, a unique emodin derivative in Heshouwu, stimulates growth hormone secretion via activation of the ghrelin receptor
    Yuan Hao Lo
    Graduate Institute of Biotechnology, National Chung Hsing University, Taichung 402, Taiwan
    J Ethnopharmacol 159:1-8. 2015
    ..The therapeutic effects of raw Heshouwu on aging-related diseases were somehow similar to the anti-aging effects of growth hormone release induced by ghrelin..
  4. ncbi request reprint Identification and comparison of phenolic compounds in the preparation of oolong tea manufactured by semifermentation and drying processes
    Jianpeng Dou
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, Republic of China
    J Agric Food Chem 55:7462-8. 2007
    ....
  5. ncbi request reprint LC-APCI-MS method for detection and analysis of tryptanthrin, indigo, and indirubin in daqingye and banlangen
    Bing Chung Liau
    National Chung Hsing University, Department of Chemistry, Taichung, Taiwan, ROC
    J Pharm Biomed Anal 43:346-51. 2007
    ..Compared with the traditional TLC and HPLC-UV methods, the new LC-APCI-MS approach has proven to be an optimal tool for detecting and analyzing the three marker compounds in the Chinese herbal medicines of daqingye and banlangen...
  6. doi request reprint Study of the release of gallic acid from (-)-epigallocatechin gallate in old oolong tea by mass spectrometry
    Ren Jye Lee
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Rapid Commun Mass Spectrom 24:851-8. 2010
    ..Negative electrospray ionization with the data-dependent mode of MS(n) was used to study the formation pathway of GA in old oolong tea. The MS(n) data show that GA was released from the dimer of EGCG, not directly degraded from EGCG...
  7. doi request reprint Gramella planctonica sp. nov., a zeaxanthin-producing bacterium isolated from surface seawater, and emended descriptions of Gramella aestuarii and Gramella echinicola
    Mariyam Shahina
    Department of Soil and Environmental Sciences, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung, 402, Taiwan
    Antonie Van Leeuwenhoek 105:771-9. 2014
    ..nov. (type strain CC-AMWZ-3(T) = JCM 18807(T) = BCRC 80553(T)) is proposed. In addition, emended descriptions of the species Gramella aestuarii and Gramella echinicola are also proposed...
  8. ncbi request reprint Analysis of aristolochic acid in nine sources of Xixin, a traditional Chinese medicine, by liquid chromatography/atmospheric pressure chemical ionization/tandem mass spectrometry
    Ting Ting Jong
    Department of Chemistry, National Chung Hsin University, Taichung, Taiwan
    J Pharm Biomed Anal 33:831-7. 2003
    ..By applying this method to methanol extracts of nine Asarum species, the concentrations of AA-I were found to range from 3.3 ng/mg (Asarum sieboldii) to 3376.9 ng/mg (Asarum crispulatum)...
  9. ncbi request reprint Rapid identification of acylated flavonol tetraglycosides in oolong teas using HPLC-MSn
    Jianpeng Dou
    Department of Chemistry, National Chung Hsing University, Taichung, Taiwan 40227, Republic of China
    Phytochem Anal 19:251-7. 2008
    ..The results suggest that the developed method is rapid and sensitive for identifying natural compounds...
  10. ncbi request reprint Using LC/MS/MS to determine matrine, oxymatrine, ferulic acid, mangiferin, and glycyrrhizin in the Chinese medicinal preparations Shiau-feng-saan and Dang-guei-nian-tong-tang
    Ting Ting Jong
    Department of Chemistry, National Chung Hsin University, Taichung, Taiwan
    J Pharm Biomed Anal 40:472-7. 2006
    ..Our experimental data reveal that significant differences exist between samples obtained from different sources...
  11. doi request reprint The determination of flavonoids in Wikstroemia indica C. A. Mey. by liquid chromatography with photo-diode array detection and negative electrospray ionization tandem mass spectrometry
    Yen Chen Ko
    Department of Chemistry, National Chung Hsing University, Taichung, 40227, Taiwan, ROC
    Rapid Commun Mass Spectrom 27:59-67. 2013
    ..Flavonoids in the medicinal plant Wikstroemia indica C. A. Mey. are present in trace amounts and found in complex matrices. An efficient and sensitive method is necessary for the rapid identification of such biomolecules...
  12. doi request reprint Siansivirga zeaxanthinifaciens gen. nov., sp. nov., a novel zeaxanthin-producing member of the family Flavobacteriaceae isolated from coastal seawater of Taiwan
    Asif Hameed
    Department of Soil and Environmental Sciences, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung, Taiwan
    FEMS Microbiol Lett 333:37-45. 2012
    ..nov., sp. nov. is proposed. The type strain is CC-SAMT-1(T) (= BCRC 80315(T) = JCM 17682(T))...
  13. ncbi request reprint Determination of perfluorocarboxylic acids in water by ion-pair dispersive liquid-liquid microextraction and gas chromatography-tandem mass spectrometry with injection port derivatization
    Wen Lin Liu
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Anal Chim Acta 726:28-34. 2012
    ..The concentration range over which PFCAs were detected is from 0.6ngmL(-1) to 604.9ngmL(-1)...
  14. doi request reprint Teaghrelins, unique acylated flavonoid tetraglycosides in Chin-shin oolong tea, are putative oral agonists of the ghrelin receptor
    Yuan Hao Lo
    Graduate Institute of Biotechnology, National Chung Hsing University, Taichung 402, Taiwan
    J Agric Food Chem 62:5085-91. 2014
    ..While teaghrelin-2 remained unmodified, a meta-O-methylated metabolite of teaghrelin-1 was detected in bile of rats after intravenous injection. Presumably, teaghrelins are promising oral agonists of the ghrelin receptor...
  15. ncbi request reprint Determination of organotin compounds in-water by headspace solid phase microextraction with gas chromatography-mass spectrometry
    Chi Chi Chou
    Department of Chemistry, National Chung Hsing University Taichung, Taiwan, ROC
    J Chromatogr A 1064:1-8. 2005
    ..Some organotins studied were detected in the analyzed samples. Results of this study demonstrate the adequacy of the headspace SPME-GC-MS method for analyzing organotins in sea water samples...
  16. doi request reprint Evaluation of liquid-phase microextraction conditions for determination of chlorophenols in environmental samples using gas chromatography-mass spectrometry without derivatization
    Li Wen Chung
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Talanta 76:154-60. 2008
    ..08 ng mL(-1). All the studied CPs are detected in contaminated soil. The proposed method is simple, low-cost, less organic solvent used and can potentially be applied to analyze CPs in complex environmental matrices...
  17. ncbi request reprint Determination of acrylamide in food by solid-phase microextraction coupled to gas chromatography-positive chemical ionization tandem mass spectrometry
    Maw Rong Lee
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Anal Chim Acta 582:19-23. 2007
    ..The relative standard deviation was 10.64% (n=7). The proposed analytical method was successfully used for the quantification of trace acrylamide in foodstuffs such as French fries (1.2 microg g(-1)) and potato crisps (2.2 microg g(-1))...
  18. ncbi request reprint Supercritical fluid extraction and quantification of aflatoxins in Zizyphi Fructus by liquid chromatography/atmospheric pressure chemical ionization tandem mass spectrometry
    Bing Chung Liau
    National Chung Hsing University, Department of Chemistry, 250 Kuo Kuang Road, Taichung, Taiwan, ROC
    Rapid Commun Mass Spectrom 21:667-73. 2007
    ..The results indicated that low levels of AFs were detected in only one of them...
  19. ncbi request reprint Solid-phase extraction coupled with liquid chromatography-tandem mass spectrometry for determination of trace rosiglitazone in urine
    Chi Chi Chou
    Department of Chemistry, National Chung Hsing University, 250 Kuo Kuang Road, Taichung 40227, Taiwan
    J Chromatogr A 1097:74-83. 2005
    ..The results of this study reveal the adequacy of SPE-LC-APCI-MS/MS method for analyzing rosiglitazone from diabetic patients' urines. The concentrations of rosiglitazone were detected to range from 760 to 164 pg/mL...
  20. doi request reprint Determination of cyromazine and melamine in chicken eggs using quick, easy, cheap, effective, rugged and safe (QuEChERS) extraction coupled with liquid chromatography-tandem mass spectrometry
    Pei Cheng Wang
    Department of Chemistry, National Chung Hsing University, Taichung, Taiwan, ROC
    Anal Chim Acta 752:78-86. 2012
    ..The results demonstrated that the QuEChERS method combined with LC-MS/MS is a simple, rapid and inexpensive method for the analysis of cyromazine and melamine in eggs...
  21. doi request reprint Electrically assisted solid-phase microextraction combined with liquid chromatography-mass spectrometry for determination of parathion in water
    Tzung Jie Yang
    Department of Chemistry, National Chung Hsing University, Taichung, Taiwan
    Talanta 82:766-70. 2010
    ..The detection limit (LOD) for parathion in water was found to be 0.3 ng/mL. The proposed technique was demonstrated to be fast, sensitive and not require a solvent sample pretreatment...
  22. doi request reprint Headspace solid phase microextraction in-situ supercritical fluid extraction coupled to gas chromatography-tandem mass spectrometry for simultaneous determination of perfluorocarboxylic acids in sediments
    Wen Lin Liu
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan
    J Chromatogr A 1218:7857-63. 2011
    ..30 to 1.80 ng g(-1). The developed method was successfully applied to analyze PFCAs in sediments from rivers and beach near industrial areas. The concentrations of PFCAs determined are from 282 to 4473 ng g(-1)...
  23. ncbi request reprint A novel method of ultrasound-assisted dispersive liquid-liquid microextraction coupled to liquid chromatography-mass spectrometry for the determination of trace organoarsenic compounds in edible oil
    Wei Xun Wang
    Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
    Anal Chim Acta 690:221-7. 2011
    ..The recoveries obtained were over 89.9% with relative standard deviation (RSD) of 9.6%. The new approach was utilized to successfully detect trace amounts of organoarsenic compounds in various edible oil samples...
  24. doi request reprint Identification of new minor metabolites of penicillin G in human serum by multiple-stage tandem mass spectrometry
    Hsin Pin Ho
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Rapid Commun Mass Spectrom 25:25-32. 2011
    ..The proposed data-dependent LC/MS(n) method is a powerful tool to provide large amounts of the necessary structural information to characterize minor metabolite in metabolism profiling...
  25. doi request reprint Supercritical carbon dioxide micronization of zeaxanthin from moderately thermophilic bacteria Muricauda lutaonensis CC-HSB-11T
    Asif Hameed
    Department of Soil and Environmental Sciences, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung, Taiwan
    J Agric Food Chem 59:4119-24. 2011
    ..The technique capitalizes on the inherent ability of CC-HSB-11(T) to synthesize zeaxanthin and the work demonstrated feasibility of antisolvent precipitation method to produce microparticles exploiting a bacterial strain...
  26. pmc Detecting metabolites of different transition metal-lithospermate B complexes after intravenous injection in rats
    Ying Jie Chen
    Graduate Institute of Biotechnology, National Chung Hsing University, Taichung 40227, Taiwan, China
    Acta Pharmacol Sin 35:937-44. 2014
    ..The inhibition of LSB on Na(+)/K(+)-ATPase is potentiated by forming complexes with transition metal ions. Here we investigated the safety and metabolites of different transition metal-LSB complexes in rats...
  27. ncbi request reprint Determination of 1,3-dichloro-2-propanol and 3-chloro-1,2-propandiol in soy sauce by headspace derivatization solid-phase microextraction combined with gas chromatography-mass spectrometry
    Maw Rong Lee
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Anal Chim Acta 591:167-72. 2007
    ..The result demonstrated that headspace on-fiber derivatization following solid-phase microextraction was a simple, fast and accurate technique for identifying trace 1,3-dichloro-2-propanol and 3-chloro-1,2-propandiol in soy sauce...
  28. ncbi request reprint Simultaneous analysis of antioxidants and preservatives in cosmetics by supercritical fluid extraction combined with liquid chromatography-mass spectrometry
    Maw Rong Lee
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan
    J Chromatogr A 1120:244-51. 2006
    ..Detection limits are achieved at the level of 4.7-142 ng/g. It was successfully applied to the determination of paraben preservatives and antioxidants in cosmetics without tedious pretreatment...
  29. doi request reprint Purge-assisted headspace solid-phase microextraction combined with gas chromatography/mass spectrometry for the determination of trace nitrated polycyclic aromatic hydrocarbons in aqueous samples
    Cheng Han Hung
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    J Chromatogr A 1265:1-6. 2012
    ..The concentrations of NPAHs detected from the samples ranged from 5.2 to 7.5 pg/mL. This method was applied successfully in the analysis of trace NPAHs in river samples...
  30. ncbi request reprint Determination of chlorophenols in landfill leachate using headspace sampling with ionic liquid-coated solid-phase microextraction fibers combined with gas chromatography-mass spectrometry
    Tse Tsung Ho
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Anal Chim Acta 712:72-7. 2012
    ..The concentrations of chlorophenols were detected to range from 1.1 to 1.4μgL(-1). The results demonstrate that the IL-SPME-GC/MS method is highly effective in analyzing trace chlorophenols in landfill leachate...
  31. doi request reprint Determination of aconitine-type alkaloids as markers in fuzi (Aconitum carmichaeli) by LC/(+)ESI/MS(3)
    Jung Hui Chen
    National Chung Hsing University, Department of Chemistry, 250 Kuo Kuang Road, Taichung, Taiwan, ROC
    J Pharm Biomed Anal 48:1105-11. 2008
    ..The limits of detection (LODs) for these three markers were 0.05, 0.08, and 0.03 ng/ml. The linearity range for the three marker compounds was 0.1-1,000 ng/ml. The analysis time was 12 min per sample...
  32. doi request reprint Golf ball-assisted electrospray ionization of mass spectrometry for the determination of trace amino acids in complex samples
    Yen Hsien Li
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    Anal Chim Acta 938:98-105. 2016
    ..This technique can be applied to the analysis of trace compounds in complex matrices. ..
  33. doi request reprint Evaluating misoprostol content in pregnant women with hourly oral administration during labor induction by microElution solid phase extraction combined with liquid chromatography tandem mass spectrometry
    Cheng Han Hung
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan, ROC
    J Chromatogr B Analyt Technol Biomed Life Sci 1000:176-80. 2015
    ..The concentration-time profiles approves that hourly oral administration of misoprostol is a safe and effective method without drug accumulation for labor induction. ..
  34. doi request reprint Massive accumulation of gallic acid and unique occurrence of myricetin, quercetin, and kaempferol in preparing old oolong tea
    Viola S Y Lee
    Graduate Institute of Biotechnology, National Chung Hsing University, Taichung 402, Taiwan
    J Agric Food Chem 56:7950-6. 2008
    ..e., massive accumulation of gallic acid presumably released from EGCG and unique occurrence of flavonols putatively decomposed from flavonol glycosides...
  35. ncbi request reprint Quality control of Chinese medicinal preparations LC/ESI(+)/MS/MS analyses of saikosaponins-a and -c as markers of Bupleuri radix samples
    Bing Chung Liau
    Department of Chemistry, National Chung Hsing University, Taichung, Taiwan
    J Pharm Biomed Anal 43:1174-8. 2007
    ..1 mg/g) and in B. falcatum (3.4 mg/g), respectively. The amounts of these saikosaponins in the 10 Chinese medicinal preparations ranged between 0.11 and 1.22 mg/g for saikosaponin-a and between 0.01 and 0.33 mg/g for saikosaponin-c...
  36. doi request reprint Zanthoxylum avicennae extracts inhibit cell proliferation through protein phosphatase 2A activation in HA22T human hepatocellular carcinoma cells in vitro and in vivo
    Tran Duc Dung
    School of Chinese Medicine, China Medical University, Taichung, Taiwan, ROC
    Int J Mol Med 29:1045-52. 2012
    ..Our findings indicate that the inhibition of HA22T cell proliferation by YBBEs is mediated through PP2A activation...
  37. doi request reprint Liquid chromatography incorporating ultraviolet and electrochemical analyses for dual detection of zeranol and zearalenone metabolites in mouldy grains
    Han Yun Hsieh
    Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, Taichung 402, Taiwan
    J Sci Food Agric 92:1230-7. 2012
    ....
  38. doi request reprint Liquid-phase microextration combined with liquid chromatography-electrospray tandem mass spectrometry for detecting diuretics in urine
    Tzu Feng Tsai
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan
    Talanta 75:658-65. 2008
    ..The results of this study reveal the adequacy of LPME-LC-MS/MS method for analyzing diuretics in urine and quantification limits exceed World Anti-Doping Agency requirements...
  39. doi request reprint Solvent-enhanced microwave-assisted derivatization following solid-phase extraction combined with gas chromatography-mass spectrometry for determination of amphetamines in urine
    Li Wen Chung
    Department of Chemistry, National Chung Hsing University, 250 Kuo Kuang Road, Taichung 402, Taiwan, ROC
    J Chromatogr B Analyt Technol Biomed Life Sci 874:115-8. 2008
    ..The applicability of the method was tested by analyzing amphetamine-abusing subjects urine samples. Accordingly, the solvent-enhanced MAD-GC-MS method appears to be adequate for determining amphetamines in urine...
  40. doi request reprint Purge-assisted headspace solid-phase microextraction combined with gas chromatography-mass spectrometry for determination of chlorophenols in aqueous samples
    Hsin Pin Ho
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan
    J Chromatogr A 1213:245-8. 2008
    ..In addition, the proposed method was successfully applied to the analysis of chlorophenols in landfill leachate. New perspectives are opened for headspace extraction of relatively low vapor pressure compounds in complex matrices...
  41. ncbi request reprint Trace determination of sulfonamides residues in meat with a combination of solid-phase microextraction and liquid chromatography-mass spectrometry
    Kuan Hui Lu
    Department of Chemistry, National Chung Hsing University, Taichung, Taiwan, ROC
    Talanta 72:1082-7. 2007
    ..The results demonstrate that the SPME-LC-MS system is highly effective in analyzing trace sulfonamides in meat products...
  42. ncbi request reprint Determination of ketamine and metabolites in urine by liquid chromatography-mass spectrometry
    Chung Yu Chen
    Department of Chemistry, National Chung Hsing University, Taichung, Taiwan, ROC
    Talanta 72:1217-22. 2007
    ..The results demonstrate the suitability of liquid chromatography-mass spectrometry approach to analyze trace amount of ketamine and its metabolites in urine...
  43. doi request reprint Orthogonal array optimization of microwave-assisted derivatization for determination of trace amphetamine and methamphetamine using negative chemical ionization gas chromatography-mass spectrometry
    Li Wen Chung
    Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan
    J Chromatogr A 1216:4083-9. 2009
    ..Consequently, the OAD method not only optimizes the MAD condition for determination of trace AM and MA, but identifies the effects of factor solvent, microwave power and irradiation time on the MAD performance...
  44. doi request reprint High throughput screening various abused drugs and metabolites in urine by liquid chromatography-heated electrospray ionization/tandem mass spectrometry
    Chung Yu Chen
    Department of Chemistry, National Chung Hsing University, Taichung, Taiwan, ROC
    Talanta 77:1351-7. 2009
    ..The abused drugs including ketamines and amphetamines were detected in suspected urine samples. The results demonstrate the suitability of LC-HESI-MS/MS for high throughput screening of the various abused drugs in urine...
  45. ncbi request reprint Hair analysis for methamphetamine, ketamine, morphine and codeine by cation-selective exhaustive injection and sweeping micellar electrokinetic chromatography
    Yi Hui Lin
    Graduate Institute of Pharmaceutical Science, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
    J Chromatogr A 1145:234-40. 2007
    ..The addicts' specimens were also analyzed by LC-MS, and showed good coincidence of results. This method has proven feasible for application in detecting trace levels of abused drugs in forensic analysis...
  46. doi request reprint Cation-selective exhaustive injection and sweeping micellar electrokinetic chromatography for analysis of morphine and its four metabolites in human urine
    Yi Hui Lin
    Faculty of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
    Electrophoresis 29:2340-7. 2008
    ..Their results were compared with those of LC-MS-MS, and showed good coincidence. This method could be feasible for monitoring morphine and its metabolites in forensic interest and pharmacokinetic investigations...