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Journal of Pharmaceutical and Biomedical Analysis|April 11, 2012
Charged aerosol detection in pharmaceutical analysisStefan Almeling, David Ilko, Ulrike HolzgrabeJournal of Chromatography. A|March 9, 2010
Use of evaporative light scattering detection for the quality control of drug substances: influence of different liquid chromatographic and evaporative light scattering detector parameters on the appearance of spike peaksStefan Almeling, Ulrike HolzgrabeJournal of Pharmaceutical and Biomedical Analysis|April 26, 2011
Use of collision induced dissociation mass spectrometry as a rapid technique for the identification of pharmacologically active peptides in pharmacopoeial testingUlrike Holzgrabe, Cees-Jan Nap, Stefan AlmelingJournal of Chromatography. A|December 4, 2009
Control of impurities in L-aspartic acid and L-alanine by high-performance liquid chromatography coupled with a corona charged aerosol detectorUlrike Holzgrabe, Cees-Jan Nap, Stefan AlmelingElectrophoresis|June 28, 2012
Influence of the capillary diameter on the separation efficiency and sensitivity: a systematic approachDavid Ilko, Ulrike HolzgrabeJournal of Pharmaceutical and Biomedical Analysis|June 14, 2011
Identification and control of impurities in streptomycin sulfate by high-performance liquid chromatography coupled with mass detection and corona charged-aerosol detectionUlrike Holzgrabe, Cees-Jan Nap, Nathalie Kunz, et al.Journal of Separation Science|June 16, 2010
Alternatives to amino acid analysis for the purity control of pharmaceutical grade L-alanineUlrike Holzgrabe, Cees-Jan Nap, Tanja Beyer, et al.European Journal of Pharmaceutics and Biopharmaceutics : Official Journal of Arbeitsgemeinschaft Fur Pharmazeutische Verfahrenstechnik E.V|December 3, 2014
Fatty acid composition analysis in polysorbate 80 with high performance liquid chromatography coupled to charged aerosol detectionDavid Ilko, Alexandra Braun, Oliver Germershaus, et al.European Journal of Pharmaceutics and Biopharmaceutics : Official Journal of Arbeitsgemeinschaft Fur Pharmazeutische Verfahrenstechnik E.V|November 24, 2015
Tamper-proof tablets for distinction between counterfeit and originator drugs through PEG codingDavid Ilko, Christoph Steiger, Rupprecht Keller, et al.Journal of Pharmaceutical and Biomedical Analysis|December 3, 2014
Simple and rapid high performance liquid chromatography method for the determination of polidocanol as bulk product and in pharmaceutical polymer matrices using charged aerosol detectionDavid Ilko, Sebastian Puhl, Lorenz Meinel, et al.Pageof 32