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Jos Hoogmartens

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Yao-Zuo Yuan; Mei Zhang; Xia-Lei Fan; Jos Hoogmartens; Chang-Qin Hu; Shao-Hong Jin; Ann Van Schepdael; Erwin Adams
Analysis of impurities in vertilmicin sulfate by liquid chromatography ion-trap mass spectrometry.
Shruti Chopra; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Characterization of impurities in tylosin using dual liquid chromatography combined with ion trap mass spectrometry.
Getu Kahsay; Jacques Rotger; Fairouz Shraim; Ann Van Schepdael; Philippe Villatte; Céline Cassus-Coussère; Jos Hoogmartens; Erwin Adams
Development and validation of a reversed phase liquid chromatographic method for analysis of oxytetracycline and related impurities.

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2013: Yao-Zuo Yuan; Mei Zhang; Xia-Lei Fan; Jos Hoogmartens; Chang-Qin Hu; Shao-Hong Jin; Ann Van Schepdael; Erwin Adams
Analysis of impurities in vertilmicin sulfate by liquid chromatography ion-trap mass spectrometry.
Journal of pharmaceutical and biomedical analysis 2013;80():1-8.
2013: Shruti Chopra; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Characterization of impurities in tylosin using dual liquid chromatography combined with ion trap mass spectrometry.
Talanta 2013;106():29-38.
2013: Getu Kahsay; Jacques Rotger; Fairouz Shraim; Ann Van Schepdael; Philippe Villatte; Céline Cassus-Coussère; Jos Hoogmartens; Erwin Adams
Development and validation of a reversed phase liquid chromatographic method for analysis of oxytetracycline and related impurities.
Journal of pharmaceutical and biomedical analysis 2013;75():199-206.
2013: Yao-zuo Yuan; Mei Zhang; Xun Zhao; Xia-Lei Fan; Jos Hoogmartens; Chang-qin Hu; Shao-hong Jin; Ann Van Schepdael; Erwin Adams
Impurity profiling of micronomicin sulfate injection by liquid chromatography-ion trap mass spectrometry.
Journal of pharmaceutical and biomedical analysis 2013;75():94-104.
2013: Larissa Van den Bossche; Ann Van Schepdael; Frederick Daidone; Jos Hoogmartens; Erwin Adams
Characterization of impurities in josamycin using dual liquid chromatography combined with mass spectrometry.
Journal of pharmaceutical and biomedical analysis 2013;73():66-76.
2012: Yao-zuo Yuan; Mei Zhang; Xia-Lei Fan; Jos Hoogmartens; Chang-Qing Hu; Shao-hong Jin; Ann Van Schepdael; Guo-Hua Wang; Erwin Adams
Impurity profiling of etimicin sulfate by liquid chromatography ion-trap mass spectrometry.
Journal of pharmaceutical and biomedical analysis 2012;70():212-23.
2012: Shruti Chopra; Jos Hoogmartens; Murali Pendela; Ann Van Schepdael; Erwin Adams
Impurity profiling of capreomycin using dual liquid chromatography coupled to mass spectrometry.
Talanta 2012;100():113-22.
2012: Ming-juan Wang; Yan Wang; Jing Xue; Wen-bo Zou; Jos Hoogmartens; Chang-qin Hu; Erwin Adams
Identification of the components of bitespiramycin by liquid chromatography-mass spectrometry.
Journal of pharmaceutical and biomedical analysis 2012;66():402-10.
2012: Alexandre Zatkovskis Carvalho; José Alberto Fracassi da Silva; Ward D'Autry; Mohamed Nouri El-Attug; Jos Hoogmartens; Erwin Adams; Kris Wolfs; Ann Van Schepdael
Identification of the oxidation products of cysteamine and cystamine by CE-MS interfaced by a noncommercial electrospray ionization source.
Journal of separation science 2012;35(10-11):1336-43.
2012: Getu Kahsay; Jaroslav Maxa; Ann Van Schepdael; Jos Hoogmartens; Erwin Adams
Development and validation of a reversed-phase liquid chromatographic method for analysis of demeclocycline and related impurities.
Journal of separation science 2012;35(10-11):1310-8.
2012: Mohamed Nouri El-Attug; Jos Hoogmartens; Erwin Adams; Ann Van Schepdael
Optimization of capillary electrophoresis method with contactless conductivity detection for the analysis of tobramycin and its related substances.
Journal of pharmaceutical and biomedical analysis 2012;58():49-57.
2011: Dunge Ashenafi; Jos Hoogmartens; Erwin Adams
An improved liquid chromatographic method for the analysis of tylosin and its impurities.
Journal of separation science 2011;34(19):2631-8.
2011: Mohamed N El-Attug; Jos Hoogmartens; Erwin Adams; Ann Van Schepdael
Capacitively coupled contactless conductivity detection as an alternative detection mode in CE for the analysis of kanamycin sulphate and its related substances.
Journal of separation science 2011;34(18):2448-54.
2011: Ward D'Autry; Chao Zheng; John Bugalama; Kris Wolfs; Jos Hoogmartens; Erwin Adams; Bochu Wang; Ann Van Schepdael
Liquid paraffin as new dilution medium for the analysis of high boiling point residual solvents with static headspace-gas chromatography.
Journal of pharmaceutical and biomedical analysis 2011;55(5):1017-23.
2011: Ward D'Autry; Kris Wolfs; Jos Hoogmartens; Erwin Adams; Ann Van Schepdael
Improving quantitative gas chromatography-electron ionization mass spectrometry results using a modified ion source: demonstration for a pharmaceutical application.
Journal of chromatography. A 2011;1218(26):4034-8.
2011: Ward D'Autry; Chao Zheng; Kris Wolfs; Sitaramaraju Yarramraju; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Mixed aqueous solutions as dilution media in the determination of residual solvents by static headspace gas chromatography.
Journal of separation science 2011;34(11):1299-308.
2011: B Li; Ann Van Schepdael; Jos Hoogmartens; Erwin Adams
Mass spectrometric characterization of gentamicin components separated by the new European Pharmacopoeia method.
Journal of pharmaceutical and biomedical analysis 2011;55(1):78-84.
2011: Larissa Van den Bossche; Ann Van Schepdael; Shruti Chopra; Jos Hoogmartens; Erwin Adams
Identification of impurities in polymyxin B and colistin bulk sample using liquid chromatography coupled to mass spectrometry.
Talanta 2011;83(5):1521-9.
2011: Xin Hai; Xu Wang; Mohamed El-Attug; Erwin Adams; Jos Hoogmartens; Ann Van Schepdael
In-capillary screening of matrix metalloproteinase inhibitors by electrophoretically mediated microanalysis with fluorescence detection.
Analytical chemistry 2011;83(1):425-30.
2010: Mohamed Nouri El-Attug; Bienvenue Lutumba; Jos Hoogmartens; Erwin Adams; Ann Van Schepdael
Method development and validation for trifluoroacetic acid determination by capillary electrophoresis in combination with capacitively coupled contactless conductivity detection (CE-C4D).
Talanta 2010;83(2):400-3.
2010: Alexandre Zatkovskis Carvalho; Mohamed Nouri El-Attug; Sahar Ebrahem Zayed; Els Van Hove; Joost Van Duppen; Jos Hoogmartens; Ann Van Schepdael
Micellar electrokinetic chromatography method development for determination of impurities in ritonavir.
Journal of pharmaceutical and biomedical analysis 2010;53(5):1210-6.
2010: Jochen Pauwels; Jos Hoogmartens; Ann Van Schepdael
Application of carbon nanotubes for in-capillary incubations with cytochrome P450 enzymes.
Electrophoresis 2010;31(23-24):3867-73.
2010: Ming-juan Wang; Murali Pendela; Chang-Qin Hu; Shao-hong Jin; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Impurity profiling of acetylspiramycin by liquid chromatography-ion trap mass spectrometry.
Journal of chromatography. A 2010;1217(42):6531-44.
2010: Shruti Chopra; Geert Vanderheyden; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Comparative study on the analytical performance of different detectors for the liquid chromatographic analysis of tobramycin.
Journal of pharmaceutical and biomedical analysis 2010;53(2):151-7.
2010: L Van den Bossche; A Lodi; J Schaar; S Shaakov; M Zorzan; M E Tranquillini; C Overballe-Petersen; Jos Hoogmartens; Erwin Adams
An interlaboratory study on the suitability of a gradient LC-UV method as a compendial method for the determination of erythromycin and its related substances.
Journal of pharmaceutical and biomedical analysis 2010;53(1):109-12.
2010: Ward D'Autry; Kris Wolfs; Sitaramaraju Yarramraju; Ann Van Schepdael; Jos Hoogmartens; Erwin Adams
Characterization and improvement of signal drift associated with electron ionization quadrupole mass spectrometry.
Analytical chemistry 2010;82(15):6480-6.
2010: Vicky Manyanga; Jos Hoogmartens; Erwin Adams
Development and validation of an improved reversed-phase liquid chromatographic method combined with pulsed electrochemical detection for the analysis of netilmicin.
Journal of separation science 2010;33(13):1897-903.
2010: Murali Pendela; Dunge Ashenafi Mamade; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Characterization of emtricitabine related substances by liquid chromatography coupled to an ion trap mass spectrometer.
Talanta 2010;82(1):125-8.
2010: Vicky Manyanga; Rajya Lakshmi Dhulipalla; Jos Hoogmartens; Erwin Adams
Improved liquid chromatographic method with pulsed electrochemical detection for the analysis of kanamycin.
Journal of chromatography. A 2010;1217(24):3748-53.
2010: Dunge Ashenafi; Varalaxmi Chintam; Daisy van Veghel; Sanja Dragovic; Jos Hoogmartens; Erwin Adams
Development of a validated liquid chromatographic method for the determination of related substances and assay of tenofovir disoproxil fumarate.
Journal of separation science 2010;33(12):1708-16.
2010: Dunge Ashenafi; Elise Van Hemelrijck; Shruti Chopra; Jos Hoogmartens; Erwin Adams
Liquid chromatographic analysis of oxytocin and its related substances.
Journal of pharmaceutical and biomedical analysis 2010;51(1):24-9.
2010: Jie Zhang; Jos Hoogmartens; Ann Van Schepdael
Recent developments and applications of EMMA in enzymatic and derivatization reactions.
Electrophoresis 2010;31(1):65-73.
2009: Murali Pendela; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
LC-MS of streptomycin following desalting of a nonvolatile mobile phase and pH gradient.
Journal of separation science 2009;32(20):3418-24.
2009: Murali Pendela; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Characterization of dihydrostreptomycin-related substances by liquid chromatography coupled to ion trap mass spectrometry.
Rapid communications in mass spectrometry : RCM 2009;23(12):1856-62.
2009: Dunge Ashenafi; Ann Verbeek; Jos Hoogmartens; Erwin Adams
Development and validation of an LC method for the determination of emtricitabine and related compounds in the drug substance.
Journal of separation science 2009;32(11):1823-30.
2009: Erik Haghedooren; Liesbeth Peeters; Sanja Dragovic; Jos Hoogmartens; Erwin Adams
Silica-based monolithic columns versus conventional particle-packed columns for liquid chromatographic analysis of tetracycline, oxytetracycline and chlortetracycline.
Talanta 2009;78(3):665-71.
2009: B Li; Ann Van Schepdael; Jos Hoogmartens; Erwin Adams
Characterization of impurities in tobramycin by liquid chromatography-mass spectrometry.
Journal of chromatography. A 2009;1216(18):3941-5.
2009: Sanja Dragovic; Erik Haghedooren; Tamás Németh; Ismail Murat Palabiyik; Jos Hoogmartens; Erwin Adams
Evaluation of two approaches to characterise liquid chromatographic columns using pharmaceutical separations.
Journal of chromatography. A 2009;1216(15):3210-6.
2009: Xin Hai; Erwin Adams; Jos Hoogmartens; Ann Van Schepdael
Enantioselective in-line and off-line CE methods for the kinetic study on cimetidine and its chiral metabolites with reference to flavin-containing monooxygenase genetic isoforms.
Electrophoresis 2009;30(7):1248-57.
2009: Swapna Mallampati; Shan Huang; Dunge Ashenafi; Elise Van Hemelrijck; Jos Hoogmartens; Erwin Adams
Development and validation of a liquid chromatographic method for the analysis of capreomycin sulfate and its related substances.
Journal of chromatography. A 2009;1216(12):2449-55.
2009: M Pendela; E Van Gyseghem; G Van den Mooter; L Baert; J Rosier; Jos Hoogmartens; Erwin Adams
Development of a liquid chromatographic assay for an anti-HIV tablet containing lamivudine, zidovudine and TMC278.HCL.
Journal of pharmaceutical and biomedical analysis 2009;49(2):508-12.
2009: Ahmad S Fayed; Soheir A Weshahy; mostafa abdel aty shehata; Nagiba Y Hassan; Jochen Pauwels; Jos Hoogmartens; Ann Van Schepdael
Separation and determination of clopidogrel and its impurities by capillary electrophoresis.
Journal of pharmaceutical and biomedical analysis 2009;49(2):193-200.
2009: Alexandre Zatkovskis Carvalho; Tine Dupas; Joachim Brouwers; Jos Hoogmartens; Patrick Augustijns; Ann Van Schepdael
Capillary zone electrophoresis method development for the analysis of Hippeastrum hybrid agglutinin samples.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2009;877(5-6):563-7.
2008: Raja Yekkala; Dunge Ashenafi; Inge Mariën; Hai Xin; Erik Haghedooren; Jos Hoogmartens; Erwin Adams
Evaluation of an International Pharmacopoeia method for the analysis of ritonavir by liquid chromatography.
Journal of pharmaceutical and biomedical analysis 2008;48(3):1050-4.
2008: Bo Li; Ann Van Schepdael; Jos Hoogmartens; Erwin Adams
Characterization of impurities in sisomicin and netilmicin by liquid chromatography/mass spectrometry.
Rapid communications in mass spectrometry : RCM 2008;22(22):3455-71.
2008: Elke Van Gyseghem; Murali Pendela; Lieven Baert; Jan Rosier; Gerben van 't Klooster; Hilde De Man; Marie-Paule Bouche; Laurent Schueller; Pieter Van Remoortere; Piet Wigerinck; Erwin Adams; Jos Hoogmartens; Guy Van den Mooter
Powder for reconstitution of the anti-HIV-1 drug TMC278 - Formulation development, stability and animal studies.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V 2008;70(3):853-60.
2008: F Daidone; R Heuvelmans; L Aerden; Jos Hoogmartens; Erwin Adams
Development of a liquid chromatography method for the analysis of josamycin.
Journal of pharmaceutical and biomedical analysis 2008;48(2):347-55.
2008: Yarramraju Sitaramaraju; Adil Riadi; Ward D'Autry; Kris Wolfs; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Evaluation of the European Pharmacopoeia method for control of residual solvents in some antibiotics.
Journal of pharmaceutical and biomedical analysis 2008;48(1):113-9.
2008: Xin Hai; Jirí Konecny; Marta Zeisbergerová; Erwin Adams; Jos Hoogmartens; Ann Van Schepdael
Development of electrophoretically mediated microanalysis method for the kinetics study of flavin-containing monooxygenase in a partially filled capillary.
Electrophoresis 2008;29(18):3817-24.
2008: Jie Zhang; Jos Hoogmartens; Ann Van Schepdael
Kinetic study of cytochrome P450 by capillary electrophoretically mediated microanalysis.
Electrophoresis 2008;29(17):3694-700.
2008: Murali Pendela; Sanja Dragovic; Lien Bockx; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Development of a liquid chromatographic method for the determination of related substances and assay of d-cycloserine.
Journal of pharmaceutical and biomedical analysis 2008;47(4-5):807-11.
2008: Yarramraju Sitaramaraju; Ariane van Hul; Kris Wolfs; Ann Van Schepdael; Jos Hoogmartens; Erwin Adams
Static headspace gas chromatography of (semi-)volatile drugs in pharmaceuticals for topical use.
Journal of pharmaceutical and biomedical analysis 2008;47(4-5):834-40.
2008: Erik Haghedooren; Edit Farkas; Agnes Kerner; Sanja Dragovic; Béla Noszál; Jos Hoogmartens; Erwin Adams
Effect of long-term storage and use on the properties of reversed-phase liquid chromatographic columns.
Talanta 2008;76(1):172-82.
2008: Raja Yekkala; Erwin Adams; Ann Van Schepdael; Jos Hoogmartens
Quality control of protease inhibitors.
Journal of pharmaceutical sciences 2008;97(6):2012-21.
2008: Erik Haghedooren; Tamás Németh; Sanja Dragovic; Béla Noszál; Jos Hoogmartens; Erwin Adams
Comparison of two column characterisation systems based on pharmaceutical applications.
Journal of chromatography. A 2008;1189(1-2):59-71.
2008: Vicky Manyanga; Katjusa Kreft; Blaz Divjak; Jos Hoogmartens; Erwin Adams
Improved liquid chromatographic method with pulsed electrochemical detection for the analysis of gentamicin.
Journal of chromatography. A 2008;1189(1-2):347-54.
2008: Gordana Brajanoski; Jos Hoogmartens; Karel Allegaert; Erwin Adams
Determination of amikacin in cerebrospinal fluid by high-performance liquid chromatography with pulsed electrochemical detection.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2008;867(1):149-52.
2008: Murali Pendela; Larissa Van den Bossche; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Combination of a liquid chromatography-ultraviolet method with a non-volatile eluent, peak trapping and a liquid chromatography-mass spectrometry method with a volatile eluent to characterise erythromycin related substances.
Journal of chromatography. A 2008;1180(1-2):108-21.
2008: Jie Zhang; Jos Hoogmartens; Ann Van Schepdael
Advances in CE-mediated microanalysis: an update.
Electrophoresis 2008;29(1):56-65.
2007: Swapna Mallampati; Arthur Van Aerschot; Jos Hoogmartens; Ann Van Schepdael
Analysis of dideoxyadenosine triphosphate by CE with fluorescence detection. I. Derivatization through the phosphate group.
Electrophoresis 2007;28(21):3948-56.
2007: Vicky Manyanga; Olga Grishina; Zhang Yun; Jos Hoogmartens; Erwin Adams
Comparison of liquid chromatographic methods with direct detection for the analysis of gentamicin.
Journal of pharmaceutical and biomedical analysis 2007;45(2):257-62.
2007: Kristóf Kóczián; Erik Haghedooren; Sanja Dragovic; Béla Noszál; Jos Hoogmartens; Erwin Adams
Column selection for pharmaceutical analyses based on a column classification using four test parameters.
Journal of pharmaceutical and biomedical analysis 2007;44(4):894-905.
2007: Erik Haghedooren; Agnes Kerner; Béla Noszál; Jos Hoogmartens; Erwin Adams
Application of an improved column characterisation system to evaluate the within and between batch variability.
Journal of pharmaceutical and biomedical analysis 2007;44(3):634-9.
2007: Sitaramaraju Yarramraju; Vamsidhar Akurathi; Kris Wolfs; Ann Van Schepdael; Jos Hoogmartens; Erwin Adams
Investigation of sorbic acid volatile degradation products in pharmaceutical formulations using static headspace gas chromatography.
Journal of pharmaceutical and biomedical analysis 2007;44(2):456-63.
2007: Harold Curiel; W Vanderaerden; Herman Velez; Jos Hoogmartens; Ann Van Schepdael
Analysis of underivatized gentamicin by capillary electrophoresis with UV detection.
Journal of pharmaceutical and biomedical analysis 2007;44(1):49-56.
2007: Raja Yekkala; Lena Vandenbosch; Jos Hoogmartens; Erwin Adams
Evaluation of an International Pharmacopoeia method for the analysis of saquinavir (mesilate) bulk drugs by liquid chromatography.
Journal of pharmaceutical and biomedical analysis 2007;43(3):829-38.
2007: N H Zawilla; B Li; Jos Hoogmartens; Erwin Adams
Improved reversed-phase liquid chromatographic method combined with pulsed electrochemical detection for the analysis of amikacin.
Journal of pharmaceutical and biomedical analysis 2007;43(1):168-73.
2007: Bo Li; Ann Van Schepdael; Jos Hoogmartens; Erwin Adams
Investigation of unknown related substances in commercial neomycin samples with liquid chromatography/ion trap tandem mass spectrometry.
Rapid communications in mass spectrometry : RCM 2007;21(11):1791-8.
2007: Raja Yekkala; Carine Meers; Jos Hoogmartens; Ivo Lambrichts; Guy Willems; Ann Van Schepdael
An improved sample preparation for an LC method used in the age estimation based on aspartic acid racemization from human dentin.
Journal of separation science 2007;30(1):118-21.
2007: Murali Pendela; Cindy Govaerts; José Diana; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Characterization of impurities in spiramycin by liquid chromatography/ion trap mass spectrometry.
Rapid communications in mass spectrometry : RCM 2007;21(4):599-613.
2006: José Diana; Vicky Manyanga; Jos Hoogmartens; Erwin Adams
Development and validation of an improved liquid chromatographic method for the analysis of dirithromycin.
Talanta 2006;70(5):1064-72.
2006: Jie Zhang; Yijia Lou; Jos Hoogmartens; Ann Van Schepdael
Screening of drug metabolism by CE.
Electrophoresis 2006;27(23):4827-35.
2006: Raja Yekkala; Stephanie Vandenwayenberg; Jos Hoogmartens; Erwin Adams
Evaluation of an International Pharmacopoeia method for the analysis of nelfinavir mesilate by liquid chromatography.
Journal of chromatography. A 2006;1134(1-2):56-65.
2006: Raja Yekkala; H Lei; Jos Hoogmartens; Erwin Adams
Evaluation of an International Pharmacopoeia method for the analysis of indinavir sulfate by liquid chromatography.
Journal of pharmaceutical and biomedical analysis 2006;42(1):71-80.
2006: Alexandre Zatkovskis Carvalho; Jochen Pauwels; Bart De Greef; An-Katrien Vynckier; Wen Yuqi; Jos Hoogmartens; Ann Van Schepdael
Capillary electrophoresis method development for determination of impurities in sodium cysteamine phosphate samples.
Journal of pharmaceutical and biomedical analysis 2006;42(1):120-5.
2006: José Diana; Cindy Govaerts; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Characterization of impurities in dirithromycin by liquid chromatography/ion trap mass spectrometry.
Journal of chromatography. A 2006;1125(1):52-66.
2006: Pham Thi Thanh Ha; Inge Sluyts; Sigrid Van Dyck; Jie Zhang; Ron A H J Gilissen; Jos Hoogmartens; Ann VanSchepdael
Chiral capillary electrophoretic analysis of verapamil metabolism by cytochrome P450 3A4.
Journal of chromatography. A 2006;1120(1-2):94-101.
2006: Thao Do Thi; Romeo Pomponio; Roberto Gotti; Jan Saevels; Ben Van Hove; Willy Van Ael; Nele Matthijs; Yvan Vander Heyden; Roland Marini Djan'geing'a; Patrice Chiap; Ph Hubert; Jacques Crommen; Huguette Fabre; Pieter Dehouck; Jos Hoogmartens; Ann Van Schepdael
Precision study on capillary electrophoresis methods for metacycline.
Electrophoresis 2006;27(12):2317-29.
2006: Roland Djang'eing'a Marini; Carl Groom; François R Doucet; Jalal Hawari; Yaser Bitar; Ulrike Holzgrabe; Roberto Gotti; Julie Schappler; Serge Rudaz; Jean-Luc Veuthey; Roelof Mol; Govert W Somsen; Gerhardus J De Jong; Pham Thi Thanh Ha; Jie Zhang; Ann Van Schepdael; Jos Hoogmartens; Willy Briône; Attilio Ceccato; Bruno Boulanger; Debby Mangelings; Yvan Vander Heyden; Willy Van Ael; Ilias Jimidar; Matteo Pedrini; Anne-Catherine Servais; Marianne Fillet; Jacques Crommen; Eric Rozet; Ph Hubert
Interlaboratory study of a NACE method for the determination of R-timolol content in S-timolol maleate: assessment of uncertainty.
Electrophoresis 2006;27(12):2386-99.
2006: Raja Yekkala; Carine Meers; Ann Van Schepdael; Jos Hoogmartens; Ivo Lambrichts; Guy Willems
Racemization of aspartic acid from human dentin in the estimation of chronological age.
Forensic science international 2006;159 Suppl 1():S89-94.
2006: Pham Thi Thanh Ha; Jos Hoogmartens; Ann Van Schepdael
Recent advances in pharmaceutical applications of chiral capillary electrophoresis.
Journal of pharmaceutical and biomedical analysis 2006;41(1):1-11.
2006: Erik Haghedooren; Kiran Kumar Raju Bhupathi Raju V S; Pieter Dehouck; Cindy Govaerts; Ann Van Schepdael; Jos Hoogmartens; Erwin Adams
Investigation of degradation products in a topical gel containing erythromycin and benzoyl peroxide by liquid chromatography-mass spectrometry.
Journal of pharmaceutical and biomedical analysis 2006;41(1):165-75.
2006: Dora Visky; Erik Haghedooren; Pieter Dehouck; Zsuzsanna Kovács; Kristóf Kóczián; Béla Noszál; Jos Hoogmartens; Erwin Adams
Facilitated column selection in pharmaceutical analyses using a simple column classification system.
Journal of chromatography. A 2006;1101(1-2):103-14.
2006: Stefanie Leonard; Monica Ferraro; Erwin Adams; Jos Hoogmartens; Ann Van Schepdael
Application of liquid chromatography/ion trap mass spectrometry to the characterization of the related substances of clarithromycin.
Rapid communications in mass spectrometry : RCM 2006;20(20):3101-10.
2006: José Diana; Dora Visky; Jos Hoogmartens; Ann Van Schepdael; Erwin Adams
Investigation of vancomycin and related substances by liquid chromatography/ion trap mass spectrometry.
Rapid communications in mass spectrometry : RCM 2006;20(4):685-93.
2006: Bo Li; Erwin Adams; Ann Van Schepdael; Jos Hoogmartens
Analysis of unknown compounds in gentamicin bulk samples with liquid chromatography coupled with ion trap mass spectrometry.
Rapid communications in mass spectrometry : RCM 2006;20(3):393-402.
2006: Jie Zhang; Jos Hoogmartens; Ann Van Schepdael
Advances in capillary electrophoretically mediated microanalysis: an update.
Electrophoresis 2006;27(1):35-43.
2005: Swapna Mallampati; Stefanie Leonard; Sabine De Vulder; Jos Hoogmartens; Ann Van Schepdael
Method development and validation for the analysis of didanosine using micellar electrokinetic capillary chromatography.
Electrophoresis 2005;26(21):4079-88.
2005: José Diana; L Vandenbosch; B De Spiegeleer; Jos Hoogmartens; Erwin Adams
Evaluation of the stability of chlortetracycline in granular premixes by monitoring its conversion into degradation products.
Journal of pharmaceutical and biomedical analysis 2005;39(3-4):523-30.
2005: Jie Zhang; Pham Thi Thanh Ha; Yijia Lou; Jos Hoogmartens; Ann Van Schepdael
Kinetic study of CYP3A4 activity on verapamil by capillary electrophoresis.
Journal of pharmaceutical and biomedical analysis 2005;39(3-4):612-7.
2005: Jie Zhang; Pham Thi Thanh Ha; Yijia Lou; Jos Hoogmartens; Ann Van Schepdael
Kinetic study of cytochrome P450 3A4 activity on warfarin by capillary electrophoresis with fluorescence detection.
Journal of chromatography. A 2005;1082(2):235-9.
2005: Appolinary A R Kamuhabwa; José Diana Di Mavungu; Luc Baert; Marie-Ange D'Hallewin; Jos Hoogmartens; Peter A M De Witte
Determination of hypericin in human plasma by high-performance liquid chromatography after intravesical administration in patients with transitional cell carcinoma of the bladder.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V 2005;59(3):469-74.
2005: Eliangiringa Kaale; Yinhua Long; Humphrey Fonge; Cindy Govaerts; Koenraad Desmet; Ann Van Schepdael; Jos Hoogmartens
Gentamicin assay in human serum by solid-phase extraction and capillary electrophoresis.
Electrophoresis 2005;26(3):640-7.
2005: Stefanie Leonard; Ann Van Schepdael; Tímea Iványi; István Lázár; Jan Rosier; Marc Vanstockem; Hans Vermeersch; Jos Hoogmartens
Development of a capillary electrophoretic method for the separation of diastereoisomers of a new human immunodeficiency virus protease inhibitor.
Electrophoresis 2005;26(3):627-32.
2005: Eliangiringa Kaale; Cindy Govaerts; Jos Hoogmartens; Ann Van Schepdael
Mass spectrometric study to characterize thioisoindole derivatives of aminoglycoside antibiotics.
Rapid communications in mass spectrometry : RCM 2005;19(20):2918-22.
2004: Peter C de Visser; Cindy Govaerts; Peter A V van Hooft; Herman S Overkleeft; Ann Van Schepdael; Jos Hoogmartens
Liquid chromatography-mass spectrometry study towards the pH and temperature-induced N-acyl migration in polymyxin B.
Journal of chromatography. A 2004;1058(1-2):183-9.
2004: M Pendela; Erwin Adams; Jos Hoogmartens
Development of a liquid chromatographic method for ear drops containing neomycin sulphate, polymyxin B sulphate and dexamethasone sodium phosphate.
Journal of pharmaceutical and biomedical analysis 2004;36(4):751-7.
2004: Satish Kumar Chitneni; Cindy Govaerts; Erwin Adams; Ann Van Schepdael; Jos Hoogmartens
Identification of impurities in erythromycin by liquid chromatography-mass spectrometric detection.
Journal of chromatography. A 2004;1056(1-2):111-20.
2004: Humphrey Fonge; Eliangiringa Kaale; Cindy Govaerts; Koenraad Desmet; Ann Van Schepdael; Jos Hoogmartens
Bioanalysis of tobramycin for therapeutic drug monitoring by solid-phase extraction and capillary zone electrophoresis.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2004;810(2):313-8.
2004: Pieter Dehouck; Phani K R Jaggavarapu; Aline Desmedt; Ann Van Schepdael; Jos Hoogmartens
Intermediate precision study on a capillary electrophoretic method for chlortetracycline.
Electrophoresis 2004;25(18-19):3313-21.
2004: Pham Thi Thanh Ha; Ann Van Schepdael; Laurence Van Vaeck; Patrick Augustijns; Jos Hoogmartens
Chiral capillary electrophoretic method for quantification of apomorphine.
Journal of chromatography. A 2004;1049(1-2):195-203.
2004: Sona Nováková; Sigrid Van Dyck; Zdenek Glatz; Ann Van Schepdael; Jos Hoogmartens
Study of enzyme kinetics of phenol sulfotransferase by electrophoretically mediated microanalysis.
Journal of chromatography. A 2004;1032(1-2):319-26.
2004: Sona Nováková; Sigrid Van Dyck; Ann Van Schepdael; Jos Hoogmartens; Zdenek Glatz
Electrophoretically mediated microanalysis.
Journal of chromatography. A 2004;1032(1-2):173-84.
2004: Cindy Govaerts; Hezekiah Kibet Chepkwony; Ann Van Schepdael; Erwin Adams; Eugène Roets; Jos Hoogmartens
Application of liquid chromatography-ion trap mass spectrometry to the characterization of the 16-membered ring macrolide josamycin propionate.
Journal of mass spectrometry : JMS 2004;39(4):437-46.
2004: Pham Thi Thanh Ha; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Investigating the potential of erythromycin and derivatives as chiral selector in capillary electrophoresis.
Journal of pharmaceutical and biomedical analysis 2004;34(5):861-70.
2004: Pieter Dehouck; Dora Visky; Yvan Vander Heyden; Erwin Adams; Zsuzsanna Kovács; Béla Noszál; D Luc Massart; Jos Hoogmartens
Characterisation of reversed-phase liquid-chromatographic columns by chromatographic tests comparing column classification based on chromatographic parameters and column performance for the separation of acetylsalicylic acid and related compounds.
Journal of chromatography. A 2004;1025(2):189-200.
2004: Y Gomez; Erwin Adams; Jos Hoogmartens
Analysis of purity in 19 drug product tablets containing clopidogrel: 18 copies versus the original brand.
Journal of pharmaceutical and biomedical analysis 2004;34(2):341-8.
2003: Sigrid Van Dyck; Eliangiringa Kaale; Sona Nováková; Zdenek Glatz; Jos Hoogmartens; Ann Van Schepdael
Advances in capillary electrophoretically mediated microanalysis.
Electrophoresis 2003;24(22-23):3868-78.
2003: Cindy Govaerts; Erwin Adams; Ann Van Schepdael; Jos Hoogmartens
Hyphenation of liquid chromatography to ion trap mass spectrometry to identify minor components in polypeptide antibiotics.
Analytical and bioanalytical chemistry 2003;377(5):909-21.
2003: Sigrid Van Dyck; Sona Nováková; Ann Van Schepdael; Jos Hoogmartens
Inhibition study of angiotensin converting enzyme by capillary electrophoresis after enzymatic reaction at capillary inlet.
Journal of chromatography. A 2003;1013(1-2):149-56.
2003: Weng Naidong; Sun Hua; Eugène Roets; Jos Hoogmartens
Assay and purity control of tetracycline, chlortetracycline and oxytetracycline in animal feeds and premixes by TLC densitometry with fluorescence detection.
Journal of pharmaceutical and biomedical analysis 2003;33(1):85-93.
2003: Stefanie Leonard; Raul Capote; Nils Germonprez; Luc Van Puyvelde; Norbert De Kimpe; Hans Vermeersch; Jan Rosier; Louis Maes; Eugène Roets; Jos Hoogmartens
Liquid chromatographic method for analysis of saponins in Maesa balansae extract active against leishmaniasis.
Journal of chromatography. A 2003;1012(1):39-46.
2003: Dora Visky; Yvan Vander Heyden; Tímea Iványi; Peggy Baten; Jacques De Beer; Zsuzsanna Kovács; Béla Noszál; Pieter Dehouck; Eugène Roets; D Luc Massart; Jos Hoogmartens
Characterisation of reversed-phase liquid chromatographic columns by chromatographic tests. Rational column classification by a minimal number of column test parameters.
Journal of chromatography. A 2003;1012(1):11-29.
2003: Pieter Dehouck; E Van Looy; Erik Haghedooren; K Deckers; Yvan Vander Heyden; Erwin Adams; Eugène Roets; Jos Hoogmartens
Analysis of erythromycin and benzoylperoxide in topical gels by liquid chromatography.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2003;794(2):293-302.
2003: Pieter Dehouck; Yvan Vander Heyden; Johanna Smeyers-Verbeke; D Luc Massart; Roland Djang'eing'a Marini; Patrice Chiap; Ph Hubert; Jacques Crommen; W Van de Wauw; Jacques De Beer; R Cox; G Mathieu; J C Reepmeyer; B Voigt; O Estevenon; A Nicolas; Ann Van Schepdael; Erwin Adams; Jos Hoogmartens
Interlaboratory study of a liquid chromatography method for erythromycin: determination of uncertainty.
Journal of chromatography. A 2003;1010(1):63-74.
2003: José Diana; Dora Visky; Eugène Roets; Jos Hoogmartens
Development and validation of an improved method for the analysis of vancomycin by liquid chromatography selectivity of reversed-phase columns towards vancomycin components.
Journal of chromatography. A 2003;996(1-2):115-31.
2003: Eliangiringa Kaale; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Determination of kanamycin by electrophoretically mediated microanalysis with in-capillary derivatization and UV detection.
Electrophoresis 2003;24(6):1119-25.
2003: Sigrid Van Dyck; Stijn Vissers; Ann Van Schepdael; Jos Hoogmartens
Kinetic study of angiotensin converting enzyme activity by capillary electrophoresis after in-line reaction at the capillary inlet.
Journal of chromatography. A 2003;986(2):303-11.
2003: Y H Long; M Hernandez; Eliangiringa Kaale; Ann Van Schepdael; Eugène Roets; Francesc Borrull; Marta Calull; Jos Hoogmartens
Determination of kanamycin in serum by solid-phase extraction, pre-capillary derivatization and capillary electrophoresis.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2003;784(2):255-64.
2003: Cindy Govaerts; Chunlan Li; Jennifer Orwa; Ann Van Schepdael; Erwin Adams; Eugène Roets; Jos Hoogmartens
Sequencing of bacitracin A and related minor components by liquid chromatography/electrospray ionization ion trap tandem mass spectrometry.
Rapid communications in mass spectrometry : RCM 2003;17(12):1366-79.
2003: D Debremaeker; Dora Visky; Hezekiah Kibet Chepkwony; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Analysis of unknown compounds in azithromycin bulk samples with liquid chromatography coupled to ion trap mass spectrometry.
Rapid communications in mass spectrometry : RCM 2003;17(4):342-50.
2002: Dora Visky; Y Vander Heyden; Tímea Iványi; Peggy Baten; Jacques De Beer; Zsuzsanna Kovács; Béla Noszál; Eugène Roets; D Luc Massart; Jos Hoogmartens
Characterisation of reversed-phase liquid chromatographic columns by chromatographic tests. Evaluation of 36 test parameters: repeatability, reproducibility and correlation.
Journal of chromatography. A 2002;977(1):39-58.
2002: Cindy Govaerts; Jennifer Orwa; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Liquid chromatography-ion trap tandem mass spectrometry for the characterization of polypeptide antibiotics of the colistin series in commercial samples.
Journal of chromatography. A 2002;976(1-2):65-78.
2002: Eliangiringa Kaale; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Determination of capsaicinoids in topical cream by liquid-liquid extraction and liquid chromatography.
Journal of pharmaceutical and biomedical analysis 2002;30(4):1331-7.
2002: F N Kamau; Hezekiah Kibet Chepkwony; J K Ngugi; D Debremaeker; Eugène Roets; Jos Hoogmartens
Isocratic liquid chromatographic method for the analysis of azithromycin and its structurally related substances in bulk samples.
Journal of chromatographic science 2002;40(9):529-33.
2002: Pham Thi Thanh Ha; Ann Van Schepdael; Tuula Hauta-Aho; Eugène Roets; Jos Hoogmartens
Simultaneous determination of dopa and carbidopa enantiomers by capillary zone electrophoresis.
Electrophoresis 2002;23(19):3404-9.
2002: Sigrid Van Dyck; Ann Van Schepdael; Jos Hoogmartens
Kinetic study of gamma-glutamyltransferase activity by electrophoretically mediated microanalysis combined with micellar electrokinetic capillary chromatography.
Electrophoresis 2002;23(17):2854-9.
2002: J Szúnyog; Erwin Adams; K Liekens; Eugène Roets; Jos Hoogmartens
Analysis of a formulation containing lincomycin and spectinomycin by liquid chromatography with pulsed electrochemical detection.
Journal of pharmaceutical and biomedical analysis 2002;29(1-2):213-20.
2002: Jennifer Orwa; Cindy Govaerts; K Gevers; Eugène Roets; Ann Van Schepdael; Jos Hoogmartens
Study of the stability of polymyxins B(1), E(1) and E(2) in aqueous solution using liquid chromatography and mass spectrometry.
Journal of pharmaceutical and biomedical analysis 2002;29(1-2):203-12.
2002: Eliangiringa Kaale; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Development and validation of capillary electrophoresis method for tobramycin with precapillary derivatization and UV detection.
Electrophoresis 2002;23(11):1695-701.
2002: Kimani A M Kuria; Hezekiah Kibet Chepkwony; Cindy Govaerts; Eugène Roets; Roger Busson; Peter De Witte; Istvan Zupko; Georges Hoornaert; Ludo Quirynen; Louis Maes; Leen Janssens; Jos Hoogmartens; Gert Laekeman
The antiplasmodial activity of isolates from Ajuga remota.
Journal of natural products 2002;65(5):789-93.
2002: Sigrid Van Dyck; Ann Van Schepdael; Jos Hoogmartens
Off-line and in-line determination of catechol- O-methyltransferase activity in a capillary electrophoretic system.
Electrophoresis 2002;23(9):1341-7.
2002: Tímea Iványi; Yvan Vander Heyden; Dora Visky; Peggy Baten; Jacques De Beer; István Lázár; D Luc Massart; Eugène Roets; Jos Hoogmartens
Minimal number of chromatographic test parameters for the characterisation of reversed-phase liquid chromatographic stationary phases.
Journal of chromatography. A 2002;954(1-2):99-114.
2002: Cindy Govaerts; Jennifer Orwa; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Characterization of polypeptide antibiotics of the polymyxin series by liquid chromatography electrospray ionization ion trap tandem mass spectrometry.
Journal of peptide science : an official publication of the European Peptide Society 2002;8(2):45-55.
2002: Cindy Govaerts; Jef Rozenski; Jennifer Orwa; Eugène Roets; Ann Van Schepdael; Jos Hoogmartens
Mass spectrometric fragmentation of cyclic peptides belonging to the polymyxin and colistin antibiotics studied by ion trap and quadrupole/orthogonal-acceleration time-of-flight technology.
Rapid communications in mass spectrometry : RCM 2002;16(9):823-33.
2001: Pieter Dehouck; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Analysis of clindamycin by micellar electrokinetic chromatography with a mixed micellar system.
Journal of chromatography. A 2001;932(1-2):145-52.
2001: Eliangiringa Kaale; E Van Goidsenhoven; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Electrophoretically mediated microanalysis of gentamicin with in-capillary derivatization and UV detection.
Electrophoresis 2001;22(13):2746-54.
2001: J W Kang; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Analysis of vancomycin and related impurities by micellar electrokinetic capillary chromatography. Method development and validation.
Electrophoresis 2001;22(12):2588-92.
2001: Eliangiringa Kaale; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Development and validation of a simple capillary zone electrophoresis method for the analysis of kanamycin sulfate with UV detection after pre-capillary derivatization.
Journal of chromatography. A 2001;924(1-2):451-8.
2001: Jennifer Orwa; Cindy Govaerts; Roger Busson; Eugène Roets; Ann Van Schepdael; Jos Hoogmartens
Isolation and structural characterization of colistin components.
The Journal of antibiotics 2001;54(7):595-9.
2001: Hezekiah Kibet Chepkwony; Eugène Roets; Jos Hoogmartens
Liquid chromatography of troleandomycin.
Journal of chromatography. A 2001;914(1-2):53-8.
2001: Jennifer Orwa; Cindy Govaerts; Roger Busson; Eugène Roets; Ann Van Schepdael; Jos Hoogmartens
Isolation and structural characterization of polymyxin B components.
Journal of chromatography. A 2001;912(2):369-73.
2001: Sigrid Van Dyck; Ann Van Schepdael; Jos Hoogmartens
Michaelis-Menten analysis of bovine plasma amine oxidase by capillary electrophoresis using electrophoretically mediated microanalysis in a partially filled capillary.
Electrophoresis 2001;22(7):1436-42.
2001: J W Kang; G De Reymaeker; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Analysis of bacitracin by micellar electrokinetic capillary chromatography with mixed micelle in acidic solution.
Electrophoresis 2001;22(7):1356-62.
2001: Eddy Castellanos Gil; Pieter Dehouck; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Analysis of metacycline by capillary electrophoresis.
Electrophoresis 2001;22(3):497-502.
2001: Kimani A M Kuria; S De Coster; G Muriuki; W Masengo; I Kibwage; Jos Hoogmartens; Gert Laekeman
Antimalarial activity of Ajuga remota Benth (Labiatae) and Caesalpinia volkensii Harms (Caesalpiniaceae): in vitro confirmation of ethnopharmacological use.
Journal of ethnopharmacology 2001;74(2):141-8.
2001: Jan Saevels; Ann Van Schepdael; Jos Hoogmartens
Integration of phosphodiesterase-induced degradation of oligonucleotides with capillary polymer-sieving electrophoresis.
Methods in molecular biology (Clifton, N.J.) 2001;162():443-57.
2001: Cindy Govaerts; Jennifer Orwa; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Structure elucidation of four related substances in gramicidin with liquid chromatography/mass spectrometry.
Rapid communications in mass spectrometry : RCM 2001;15(2):128-34.
2000: Erwin Adams; M Rafiee; Eugène Roets; Jos Hoogmartens
Liquid chromatographic analysis of streptomycin sulfate.
Journal of pharmaceutical and biomedical analysis 2000;24(2):219-26.
2000: Eliangiringa Kaale; Stefanie Leonard; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Capillary electrophoresis analysis of gentamicin sulphate with UV detection after pre-capillary derivatization with 1,2-phthalic dicarboxaldehyde and mercaptoacetic acid.
Journal of chromatography. A 2000;895(1-2):67-79.
2000: J Szúnyog; Erwin Adams; Eugène Roets; Jos Hoogmartens
Analysis of tobramycin by liquid chromatography with pulsed electrochemical detection.
Journal of pharmaceutical and biomedical analysis 2000;23(5):891-6.
2000: J Kang; T Vankeirsbilck; Ann Van Schepdael; Jennifer Orwa; Eugène Roets; Jos Hoogmartens
Analysis of colistin sulfate by capillary zone electrophoresis with cyclodextrins as additive.
Electrophoresis 2000;21(15):3199-204.
2000: J W Kang; Ann Van Schepdael; Jennifer Orwa; Eugène Roets; Jos Hoogmartens
Analysis of polymyxin B sulfate by capillary zone electrophoresis with cyclodextrin as additive. Method development and validation.
Journal of chromatography. A 2000;879(2):211-8.
2000: D Pecanac; F Van Houtte; Eugène Roets; Jos Hoogmartens
A stability study of ticlopidine products from 18 countries.
Drug development and industrial pharmacy 2000;26(4):391-401.
2000: Jennifer Orwa; A Van Gerven; Eugène Roets; Jos Hoogmartens
Liquid chromatography of polymyxin B sulphate.
Journal of chromatography. A 2000;870(1-2):237-43.
2000: Hezekiah Kibet Chepkwony; I Vanderriest; J M Nguyo; Eugène Roets; Jos Hoogmartens
Separation of erythromycin and related substances on base-deactivated reversed-phase silica gel columns.
Journal of chromatography. A 2000;870(1-2):227-35.
2000: Cindy Govaerts; Hezekiah Kibet Chepkwony; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Investigation of unknown related substances in commercial erythromycin samples with liquid chromatography/mass spectrometry.
Rapid communications in mass spectrometry : RCM 2000;14(10):878-84.
2000: G N Thoithi; Ann Van Schepdael; Roger Busson; G Janssen; Arthur Van Aerschot; Piet Herdewijn; Eugène Roets; Jos Hoogmartens
Investigation of the kinetics of degradation of hexopyranosylated cytosine nucleosides using liquid chromatography.
Nucleosides, nucleotides & nucleic acids 2000;19(1-2):189-203.
1999: Erwin Adams; Eugène Roets; Jos Hoogmartens
Liquid chromatographic analysis of dihydrostreptomycin sulfate.
Journal of pharmaceutical and biomedical analysis 1999;21(4):715-22.
1999: Jennifer Orwa; K Vandenbempt; S Depuydt; Eugène Roets; Jos Hoogmartens
Liquid chromatography method for separation of clindamycin from related substances.
Journal of pharmaceutical and biomedical analysis 1999;20(5):745-52.
1999: R González-Hernández; Y M Li; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Analysis of spiramycin by capillary electrophoresis.
Electrophoresis 1999;20(12):2407-11.
1999: Jan Saevels; M Wuyts; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
In-house packing and testing of capillaries for capillary electrochromatography using simple equipment.
Journal of pharmaceutical and biomedical analysis 1999;20(3):513-20.
1999: L Liu; Jan Saevels; P Louis; H Nelis; S Rico; K Dierick; S Guyomard; Eugène Roets; Jos Hoogmartens
Interlaboratory study comparing the microbiological potency of spiramycins I, II and III.
Journal of pharmaceutical and biomedical analysis 1999;20(1-2):217-24.
1999: Y M Li; Y Zhu; D Vanderghinste; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Micellar electrokinetic capillary chromatography for the separation of cefalexin and its related substances.
Electrophoresis 1999;20(1):127-31.
1999: Jan Saevels; Ann Van Schepdael; Jos Hoogmartens
Capillary electrophoresis of RNA oligonucleotides: catalytic activity of a hammerhead ribozyme.
Analytical biochemistry 1999;266(1):93-101.
1998: Erwin Adams; W Roelants; R De Paepe; Eugène Roets; Jos Hoogmartens
Analysis of gentamicin by liquid chromatography with pulsed electrochemical detection.
Journal of pharmaceutical and biomedical analysis 1998;18(4-5):689-98.
1998: Y M Li; D Vanderghinste; D Pecanac; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Analysis of cefadroxil by micellar electrokinetic capillary chromatography: development and validation.
Electrophoresis 1998;19(16-17):2890-4.
1998: Erwin Adams; G Van Vaerenbergh; Eugène Roets; Jos Hoogmartens
Analysis of amikacin by liquid chromatography with pulsed electrochemical detection.
Journal of chromatography. A 1998;819(1-2):93-7.
1998: K Khan; Ann Van Schepdael; TE Saison-Behmoaras; Arthur Van Aerschot; Jos Hoogmartens
Analysis of antisense oligonucleotides by on-capillary isotachophoresis and capillary polymer sieving electrophoresis.
Electrophoresis 1998;19(12):2163-8.
1998: Erwin Adams; L Liu; K Dierick; S Guyomard; P Nabet; S Rico; P Louis; Eugène Roets; Jos Hoogmartens
Neomycin: microbiological assay or liquid chromatography?
Journal of pharmaceutical and biomedical analysis 1998;17(4-5):757-66.
1998: Erwin Adams; D Puelings; M Rafiee; Eugène Roets; Jos Hoogmartens
Determination of netilmicin sulfate by liquid chromatography with pulsed electrochemical detection.
Journal of chromatography. A 1998;812(1-2):151-7.
1998: P Proot; Ann Van Schepdael; A A Raymakers; Jos Hoogmartens
Stability of adenosine in infusion.
Journal of pharmaceutical and biomedical analysis 1998;17(3):415-8.
1998: Jan Saevels; M Wuyts; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Separation of tetracycline and its related substances: comparison of liquid chromatography, capillary electrophoresis and capillary electrochromatography.
Biomedical chromatography : BMC 1998;12(3):149-50.
1998: J Paesen; Eugène Roets; Jos Hoogmartens
Study of the stability of erythromycin in a hydrophilic creme basis by liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1998;17(1):53-6.
1998: Z Yongxin; Eugène Roets; J Loidl; P Inama; A Perez; E Porqueras; E Wachberger; C Lebbe; A J Smelt; C Van der Vlies; J H Miller; J M Spieser; Jos Hoogmartens
Interlaboratory study of the analysis of benzylpenicillin by liquid chromatography.
Journal of chromatography. B, Biomedical sciences and applications 1998;707(1-2):189-93.
1998: Z Yongxin; E Merken; M P Arevalo; E Porqueras; Eugène Roets; Jos Hoogmartens
Evaluation of LC methods for the separation of phenoxymethylpenicillin and its related substances.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences 1998;6(1):39-45.
1997: K Khan; K Liekens; A Van Aerschot; A Van Schepdael; Jos Hoogmartens
Stability measurement of oligonucleotides in serum samples using capillary electrophoresis.
Journal of chromatography. B, Biomedical sciences and applications 1997;702(1-2):69-76.
1997: G Thoithi; Ann Van Schepdael; Piet Herdewijn; Eugène Roets; Jos Hoogmartens
Liquid chromatographic separation of hexopyranosylated cytosine nucleosides from their degradation products.
Journal of pharmaceutical and biomedical analysis 1997;16(3):533-40.
1997: T H Ngo; I Quintens; Eugène Roets; P J Declerck; Jos Hoogmartens
Bioavailability of different artemisinin tablet formulations in rabbit plasma--correlation with results obtained by an in vitro dissolution method.
Journal of pharmaceutical and biomedical analysis 1997;16(2):185-9.
1997: A Van Schepdael; Kristin Verbeke; C Van Nerom; Jos Hoogmartens; Alfons Verbruggen
Capillary electrophoretic analysis of ethylene dicysteine, a precursor of the radiopharmaceutical 99mTc ethylene dicysteine.
Journal of chromatography. B, Biomedical sciences and applications 1997;697(1-2):251-4.
1997: Jan Saevels; Ann Van Schepdael; Jos Hoogmartens
Phosphodiesterase susceptibility of modified oligonucleotides studied in an integrated capillary electrophoresis system.
Journal of capillary electrophoresis 1997;4(4):167-72.
1997: Y M Li; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Optimized methods for capillary electrophoresis of tetracyclines.
Journal of pharmaceutical and biomedical analysis 1997;15(8):1063-9.
1997: Erwin Adams; J Dalle; E De Bie; I De Smedt; Eugène Roets; Jos Hoogmartens
Analysis of kanamycin sulfate by liquid chromatography with pulsed electrochemical detection.
Journal of chromatography. A 1997;766(1-2):133-9.
1997: Erwin Adams; RM Schepers; L W Gathu; R Kibaya; Eugène Roets; Jos Hoogmartens
Liquid chromatographic analysis of a formulation containing polymyxin, gramicidin and neomycin.
Journal of pharmaceutical and biomedical analysis 1997;15(4):505-11.
1996: J Hoebus; Eugène Roets; Jos Hoogmartens
The interference of penicilloic acids with Karl Fischer titration of penicillins.
Journal of pharmaceutical and biomedical analysis 1996;15(3):359-64.
1996: Erwin Adams; RM Schepers; Eugène Roets; Jos Hoogmartens
Determination of neomycin sulfate by liquid chromatography with pulsed electrochemical detection.
Journal of chromatography. A 1996;741(2):233-40.
1996: Jan Saevels; Ann Van Schepdael; Jos Hoogmartens
Determination of the kinetic parameters of adenosine deaminase by electrophoretically mediated microanalysis.
Electrophoresis 1996;17(7):1222-7.
1996: Y Zhu; M L Moreno; E Porqueras; E Bourke; A Bruzzi; M Aletrari; P Kanari; D Partasidou; J Nienhuis; W Ferigo; J L Robert; J H Miller; J M Spieser; Eugène Roets; Jos Hoogmartens
Interlaboratory study of the analysis of ampicillin by liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1996;14(8-10):1151-6.
1996: Eugène Roets; P Rappe; M Heeren; J Hoebus; Alfons Verbruggen; Jos Hoogmartens
Investigation of the reaction mechanism of the mercurimetric determination of benzylpenicillin.
Journal of pharmaceutical and biomedical analysis 1996;14(8-10):1141-9.
1996: K Khan; Ann Van Schepdael; Jos Hoogmartens
Capillary electrophoresis of oligonucleotides: micellar system or entangled polymers.
Journal of pharmaceutical and biomedical analysis 1996;14(8-10):1101-5.
1996: Y M Li; Ann Van Schepdael; Eugène Roets; Jos Hoogmartens
Capillary zone electrophoresis of minocycline.
Journal of pharmaceutical and biomedical analysis 1996;14(8-10):1095-9.
1996: L Liu; Eugène Roets; Roger Busson; Anne Vankeerberghen; G Janssen; Jos Hoogmartens
Two novel spiramycins obtained from commercial samples: isolation and elucidation of structure.
The Journal of antibiotics 1996;49(4):398-401.
1996: Y Zhu; Eugène Roets; Z Ni; M L Moreno; E Porqueras; Jos Hoogmartens
Evaluation of liquid chromatography methods for the separation of ampicillin and its related substances.
Journal of pharmaceutical and biomedical analysis 1996;14(5):631-9.
1995: J A Aluoch-Orwa; C O Ondari; I O Kibwage; Jos Hoogmartens
Quality of intravenous infusion fluids manufactured in Kenya.
East African medical journal 1995;72(12):800-4.
1995: J Paesen; W Cypers; K Pauwels; Eugène Roets; Jos Hoogmartens
Study of the stability of tylosin A in aqueous solutions.
Journal of pharmaceutical and biomedical analysis 1995;13(9):1153-9.
1995: W Naidong; S Hua; Eugène Roets; Jos Hoogmartens
Assay and purity control of minocycline by thin-layer chromatography using UV and fluorescence densitometry--a comparison with liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1995;13(7):905-10.
1995: J Paesen; W Cypers; Roger Busson; Eugène Roets; Jos Hoogmartens
Isolation of decomposition products of tylosin using liquid chromatography.
Journal of chromatography. A 1995;699(1-2):99-106.
1995: Eugène Roets; Erwin Adams; I G Muriithi; Jos Hoogmartens
Determination of the relative amounts of the B and C components of neomycin by thin-layer chromatography using fluorescence detection.
Journal of chromatography. A 1995;696(1):131-8.
1995: I O Kibwage; A Machine; B Hagos; Jos Hoogmartens
The neutralizing capacity and sodium content of antacid brands on the Kenyan market.
East African medical journal 1995;72(3):194-7.
1994: J W Muritu; I O Kibwage; C K Maitai; Jos Hoogmartens
Evaluation of tetracycline raw materials and finished products found on the Kenyan market.
Journal of pharmaceutical and biomedical analysis 1994;12(12):1483-8.
1994: Y Zhu; C Hendrix; Roger Busson; G Janssen; Eugène Roets; Jos Hoogmartens
Isolation and structural elucidation of an impurity of cefradine.
Journal of pharmaceutical and biomedical analysis 1994;12(9):1137-40.
1994: J Paesen; I Quintens; G Thoithi; Eugène Roets; G Reybrouck; Jos Hoogmartens
Quantitative analysis of quaternary ammonium antiseptics using thin-layer densitometry.
Journal of chromatography. A 1994;677(2):377-84.
1993: C Hendrix; Z Yongxin; M Pijcke; Eugène Roets; Jos Hoogmartens
A comparative study of LC methods for analysis of cefradine.
Journal of pharmaceutical and biomedical analysis 1993;11(7):595-9.
1993: Ann Van Schepdael; N Ossembe; Piet Herdewijn; Eugène Roets; Jos Hoogmartens
Liquid chromatographic study of the stability of 5-halogeno-2'-deoxyuridines.
Journal of pharmaceutical and biomedical analysis 1993;11(4-5):345-51.
1993: Eugène Roets; P Beirinckx; I Quintens; Jos Hoogmartens
Quantitative analysis of tylosin by column liquid chromatography.
Journal of chromatography 1993;630(1-2):159-66.
1993: C Hendrix; M Pijcke; L M Yun; Eugène Roets; Jos Hoogmartens
Quantitative analysis of cefradine by liquid chromatography on poly(styrene-divinylbenzene).
Journal of pharmaceutical and biomedical analysis 1993;11(2):145-55.
1992: T Cachet; M Delrue; J Paesen; Roger Busson; Eugène Roets; Jos Hoogmartens
Analysis of erythromycin estolate by liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1992;10(10-12):851-60.
1992: Jos Hoogmartens
Liquid chromatography for the quantitative analysis of antibiotics--some applications using poly(styrene-divinylbenzene).
Journal of pharmaceutical and biomedical analysis 1992;10(10-12):845-50.
1992: T Cachet; P Lannoo; J Paesen; G Janssen; Jos Hoogmartens
Determination of erythromycin ethylsuccinate by liquid chromatography.
Journal of chromatography 1992;600(1):99-108.
1992: F Vandendriessche; Robert Snoeck; G Janssen; Jos Hoogmartens; Arthur Van Aerschot; E De Clercq; Piet Herdewijn
Synthesis and antiviral activity of acyclic nucleosides with a 3(S),5-dihydroxypentyl or 4(R)-methoxy-3(S),5-dihydroxypentyl side chain.
Journal of medicinal chemistry 1992;35(8):1458-65.
1992: W Naidong; Jacques De Beer; X Marcelis; P Derese; J H Miller; Jos Hoogmartens
Collaborative study of the analysis of chlortetracycline hydrochloride by liquid chromatography on polystyrene-divinylbenzene packing materials.
Journal of pharmaceutical and biomedical analysis 1992;10(2-3):199-204.
1991: W Naidong; K Verresen; Eugène Roets; Jos Hoogmartens
Determination of metacycline and related substances by column liquid chromatography on poly(styrene-divinylbenzene).
Journal of chromatography 1991;586(1):61-6.
1991: W Naidong; K Verresen; Roger Busson; Eugène Roets; Jos Hoogmartens
Isolation of doxycycline, 6-epidoxycycline and 2-acetyl-2- decarboxamidometacycline from commercial metacycline by preparative column liquid chromatography on silica gel.
Journal of chromatography 1991;586(1):67-72.
1991: W Naidong; S Hua; K Verresen; Eugène Roets; Jos Hoogmartens
Assay and purity control of metacycline by thin-layer chromatography combined with UV and fluorescence densitometry--a comparison with liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1991;9(9):717-23.
1991: T Cachet; K de Turck; Eugène Roets; Jos Hoogmartens
Quantitative analysis of erythromycin by reversed-phase liquid chromatography using column-switching.
Journal of pharmaceutical and biomedical analysis 1991;9(7):547-55.
1990: L Jie; Arthur Van Aerschot; Jan Balzarini; G Janssen; Roger Busson; Jos Hoogmartens; E De Clercq; Piet Herdewijn
5'-O-phosphonomethyl-2',3'-dideoxynucleosides: synthesis and anti-HIV activity.
Journal of medicinal chemistry 1990;33(9):2481-7.
1990: N H Khan; Eugène Roets; Jos Hoogmartens
Semi-micro determination of water content for the bulk samples of Oxytetracycline, Tetracycline and Chlortetracycline.
Pakistan journal of pharmaceutical sciences 1990;3(2):49-55.
1990: S Geelen; Eugène Roets; Jos Hoogmartens
Assay and purity control of oxytetracycline and doxycycline by thin-layer chromatography--a comparison with liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1990;8(8-12):891-8.
1990: Eugène Roets; Roger Busson; Jos Hoogmartens
Separation of keto-enol tautomers of chlortetracycline and 4-epichlortetracycline by liquid chromatography on poly(styrene-divinylbenzene)copolymer.
Journal of pharmaceutical and biomedical analysis 1990;8(8-12):881-9.
1989: Theo L Peeters; G Matthijs; Inge Depoortere; T Cachet; Jos Hoogmartens; G Vantrappen
Erythromycin is a motilin receptor agonist.
The American journal of physiology 1989;257(3 Pt 1):G470-4.
1989: I O Kibwage; M Michiels; R Hendriks; T Cachet; A Verbruggen; Jos Hoogmartens; H Vanderhaeghe
Tissue distribution and excretion of radioactively labelled compounds in the Wistar rat after administration of [N-methyl-14C]-erythromycin A.
European journal of drug metabolism and pharmacokinetics 1989;14(1):7-14.
1989: N D Weng; Eugène Roets; Jos Hoogmartens
Quantitative analysis of demeclocycline by high-performance liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1989;7(12):1691-703.
1989: Jos Hoogmartens; N H Khan; H Vanderhaeghe; A L van der Leeden; M Oosterbaan; G L Veld-Tulp; W Plugge; C van der Vlies; D Mialanne; R Melamed
A collaborative study of the analysis of doxycycline hyclate by high-performance liquid chromatography on polystyrene-divinylbenzene packing materials.
Journal of pharmaceutical and biomedical analysis 1989;7(5):601-10.
1989: N H Khan; Eugène Roets; Jos Hoogmartens; H Vanderhaeghe
Quantitative analysis of chlortetracycline and related substances by high-performance liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1989;7(3):339-53.
1988: I O Kibwage; Eugène Roets; A Verbruggen; Jos Hoogmartens; H Vanderhaeghe
Thin-layer chromatographic study of the metabolites of erythromycins in the Wistar rat.
Journal of chromatography 1988;434(1):177-86.
1988: T Cachet; G Haest; Roger Busson; G Janssen; Jos Hoogmartens
Isolation of erythromycin E from commercial erythromycin.
Journal of chromatography 1988;445(1):290-4.
1987: T Cachet; I O Kibwage; Eugène Roets; Jos Hoogmartens; H Vanderhaeghe
Optimization of the separation of erythromycin and related substances by high-performance liquid chromatography.
Journal of chromatography 1987;409():91-100.
1987: N H Khan; Eugène Roets; Jos Hoogmartens; H Vanderhaeghe
Quantitative analysis of oxytetracycline and related substances by high-performance liquid chromatography.
Journal of chromatography 1987;405():229-45.
1987: T Cachet; Eugène Roets; Jos Hoogmartens; H Vanderhaeghe
Separation of novel derivatives from commercial erythromycin samples by thin-layer chromatography.
Journal of chromatography 1987;403():343-9.
1987: I O Kibwage; G Janssen; Roger Busson; Jos Hoogmartens; H Vanderhaeghe; L Verbist
Identification of novel erythromycin derivatives in mother liquor concentrates of Streptomyces erythraeus.
The Journal of antibiotics 1987;40(1):1-6.
1985: I O Kibwage; Jos Hoogmartens; Eugène Roets; H Vanderhaeghe; L Verbist; M Dubost; C Pascal; P Petitjean; G Levol
Antibacterial activities of erythromycins A, B, C, and D and some of their derivatives.
Antimicrobial agents and chemotherapy 1985;28(5):630-3.
1985: I O Kibwage; Eugène Roets; Jos Hoogmartens; H Vanderhaeghe
Separation of erythromycin and related substances by high-performance liquid chromatography on poly(styrene-divinylbenzene) packing materials.
Journal of chromatography 1985;330(2):275-86.
1985: P De Pourcq; J Hoebus; Eugène Roets; Jos Hoogmartens; H Vanderhaeghe
Quantitative determination of amoxicillin and its decomposition products by high-performance liquid chromatography.
Journal of chromatography 1985;321(2):441-9.