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| Privat Dozent Dr.Mathias Schäfer |
| Publikationen & Tagungsbeiträge |
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Privat Dozent Dr. Mathias Schäfer UNIVERSITÄT ZU KÖLN Institut für Organische Chemie Greinstraße 4 50939 Köln G E R M A N Y Telefon: (0221) 470 - 3086 Büro Raum 316 Labor Raum 317 & 318 mathias.schaefer[at]uni-koeln.de |
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Publikationen und Tagungsbeiträge
ab 2012 zurück zum Seitenanfang |
Mélissa Hannauer, Mathias Schäfer, Françoise Hoegy, Patrick Gizzi,
Patrick Wehrung, Gaëtan L.A.Mislin, Herbert Budzikiewicz, Isabelle J.Schalk
Biosynthesis of the pyoverdine siderophore of Pseudomonas aeruginosa involves
precursors with a myristic or a myristoleic acid chain.
Federation of European Biochemical Societies Letters - FEBS Letters (2011) accepted.
Lukas Fiebig, Hans-Günther Schmalz and Mathias Schäfer
Heck coupling in the gas phase: Examination of the reaction mechanism by
ion/molecule reactions and mass spectrometry.
60th ASMS Conference on Mass Spectrometry and Allied Topics Vancouver,
BC, Canada, 20.05. - 24.05.2012.
Lisa Brückmann, Wieland Tyrra, Sanjay Mathur, Giel Berden, Jos Oomens,
Anthony J.H.M. Meijer and Mathias Schäfer
Examination of the coordination sphere of Al(III) in
trifluoromethyl-heteroarylalkenolato-complex-ions by gas-phase IRMPD
spectroscopy and computational modelling.
60th ASMS Conference on Mass Spectrometry and Allied Topics Vancouver,
BC, Canada, 20.05. - 24.05.2012.
Frank Dreiocker, Simon Beuck, Nina Winkelmann, Mario Thevis, Andrea Sinz
and Mathias Schäfer
XtraQuant: New dissociative reagents for efficient relative quantitation
of proteins by tandem mass spectrometry using selected reaction monitoring.
Joint Conference of the Polish Mass Spectrometry Society and German Mass
Spectrometry Society 2012, 04.03. - 07.03.2012, Poznan, Poland.
Francesco Falvo, Lukas Fiebig, Frank Dreiocker and Mathias Schäfer
In-depth examination of fragmentation reactions of thiourea- and urea-compounds
important as CID-labile reagents for sensitive and effective chemical crosslinking.
Joint Conference of the Polish Mass Spectrometry Society and German Mass
Spectrometry Society 2012, 04.03. - 07.03.2012, Poznan, Poland.
Lukas Fiebig, Hans-Günther Schmalz and Mathias Schäfer
Heck coupling in the gas phase: Examination of the reaction mechanism by
ion/molecule reactions and mass spectrometry.
Joint Conference of the Polish Mass Spectrometry Society and German Mass
Spectrometry Society 2012, 04.03. - 07.03.2012, Poznan, Poland.
Mario Thevis, Simon Beuck, Sebastian Höppner, Mathias Schäfer,
Joseph Held, Jos Oomens, Andreas Thomas, Wilhelm Schänzer
Mass Spectrometry in Sports Drug Testing: Investigating Diagnostic
Product Ions of Testosterone by ESI-CID HRMS and IRMPD spectroscopy.
Joint Conference of the Polish Mass Spectrometry Society and German Mass
Spectrometry Society 2012, 04.03. - 07.03.2012, Poznan, Poland.
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Publikationen und Tagungsbeiträge
ab 2011 zurück zum Seitenanfang |
Lukas Fiebig, Hans-Günther Schmalz and Mathias Schäfer
Heck Coupling in the Gas Phase: Examination of the Reaction
Mechanism by Ion/Molecule Reactions and Mass Spectrometry.
International Journal of Mass Spectrometry 308 (2011) 307-310. DOI: 10.1016/j.ijms.2011.07.013
Also available @ ACS Publications The DOI® System
Ahmad R. Massah, Frank Dreiocker, Richard F.W. Jackson, Barry T. Pickup,
Jos Oomens, Anthony J.H.M. Meijer and Mathias Schäfer
Gas-phase study of new organozinc reagents by IRMPD-Spectroscopy,
Computational modelling and Tandem-MS.
Physical Chemistry Chemical Physics 13 (2011) 13255-13267. DOI: 10.1039/C1CP20747D
Also available @ ACS Publications The DOI® System
Mathias Q. Müller, Johannes J. Zeiser, Frank Dreiocker, Andreas Pich,
Mathias Schäfer, Andrea Sinz
A Universal MALDI Cleavable Cross-Linker for Protein Structure Analysis.
Rapid Communications in Mass Spectrometry 25 (2011) 155-161.
Lukas Fiebig, Hans-Günther Schmalz and Mathias Schäfer
Analysis of homogenous Transition Metal Catalyst-Substrate Interactions
in the Gas Phase using a high-Resolution Orbitrap Mass Analyzer.
44. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie DGMS,
27.02. - 02.03.2011, ISAS, Dortmund, GERMANY.
Francesco Falvo, Frank Dreiocker and Mathias Schäfer
Tandem-MS study of the fragmentation behavior of thiourea- and urea-compounds.
44. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie DGMS,
27.02. - 02.03.2011, ISAS, Dortmund, GERMANY.
Frank Dreiocker, Andrew J. Ross, Jos Oomens, Anthony J.H.M. Meijer, Barry
T. Pickup, Richard F.W. Jackson and Mathias Schäfer
Structure elucidation of tetramethylethylenediamine (TMEDA) solvated organozinc
cations in the gas phase.
44. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie DGMS,
27.02. - 02.03.2011, ISAS, Dortmund, GERMANY.
Frank Dreiocker, Jos Oomens, Anthony J.H.M. Meijer, Barry T. Pickup, Richard
F.W. Jackson and Mathias Schäfer
MS- and IRMPD-study of Solvated Organozinc Cations in the Gas Phase: Structure
Elucidation of Negishi Cross Coupling Reagents.
ASMS Conference on Mass Spectrometry and Allied Topics, 05.06. - 09.06.2011, Denver, USA.
Andrew J. Ross, Frank Dreiocker, Mathias Schäfer, Jos Oomens, Anthony J.H.M.
Meijer, Barry T. Pickup and Richard F.W. Jackson
Evidence for the role of TMEDA in aqueous Negishi cross-coupling: synthesis of
non-proteinogenic phenylalanine derivatives in water.
Journal of Organic Chemistry 76 (2011) 1727-1734.
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Publikationen und Tagungsbeiträge
ab 2010 zurück zum Seitenanfang |
Mario Thevis, Andreas Thomas, Maxie Kohler, Simon Beuck, Ines Möller,
Mathias Schäfer, Grigory Rodchenkov, Sheng Yin, Joseph A. Loo, Hans Geyer,
Wilhelm Schänzer
Mass spectrometry-based characterization of new drugs and methods of performance
manipulation in doping control analysis.
European Journal of Mass Spectrometry 16 (2010) 301-312. DOI: 10.1255/ejms.1047
Also available @ ACS Publications The DOI® System
Mathias Schäfer, Miriam K. Drayß, P. B. Armentrout, Jos Oomens
Infrared Multiphoton Dissociation Spectroscopy of Cationized Proline and N-Methyl
Alanine: Effects of Alkali-Metal Cation Size on Gas-Phase Conformation.
International Journal of Mass Spectrometry (2010) in press. DOI: 10.1016/j.ijms.2010.04.010.
Also available @ ACS Publications The DOI® System
Mathias Schäfer, Miriam K. Drayß, P.B. Armentrout, Jos Oomens
Alkali metal cationized aliphatic amino acids: charge-solvation becomes more
favorable with increasing ion size. Isolated biomolecules and biomolecular
interactions.
IBBI 2010 Conference, 12.06. - 17.06.2010, Berlin, GERMANY.
Mathias Schäfer, Miriam K. Drayß, P.B. Armentrout, Jos Oomens
Alkali metal cationized aliphatic amino acids: Charge-solvation becomes more
favorable with increasing ion size.
58th ASMS Conference on Mass Spectrometry and Allied Topics, 23.05. - 27.05.2010,
Salt Lake City, Utah, USA.
Andrea Sinz, Frank Dreiocker, Mathias Q. Müller, Christian Ihling, Mathias Schäfer
Collision-Induced Dissociative Chemical Cross-Linking Reagents and ESI-LTQ-ORBITRAP-MS
for Protein Structure Characterization.
9th European Fourier Transform Mass Spectrometry EFTMS Workshop,
06.04. - 09.04.2010, Lausanne, Switzerland.
Mathias Schäfer
Ionen-Spektroskopie mit IRMPD.
Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie DGMS 2010,
07.03. - 10.03.2010, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale).
Mathias Q. Müller, Frank Dreiocker, Mathias Schäfer, Andrea Sinz
Neue dissoziative Cross-Linker für die vereinfachte massenspektrometrische
Proteinstrukturaufklärung.
Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie DGMS 2010,
07.03. - 10.03.2010, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale).
Mathias Q. Müller, Frank Dreiocker, Mathias Schäfer, Andrea Sinz
A Novel Cleavable Cross-Linker for Protein Structure Analysis -
Constant Neutral Losses Simplify Identification of Cross-Linking Products.
Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie DGMS 2010,
07.03. - 10.03.2010, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale).
Henry Moll, Maja Glorius, Anna Johnsson, Mathias Schäfer, Herbert Budzikiewicz,
Karsten Pedersen, Gert Bernhard
Neptunium(V)-complexation with natural pyoverdins and related model compounds.
Radiochimica Acta (2010) accepted.
Mathias Q.Müller, Frank Dreiocker, Christian H.Ihling, Mathias Schäfer,
Andrea Sinz
A Novel Cleavable Cross-Linker for Protein Structure Analysis: Reliable Identification
of Cross-Linking Products by Tandem MS.
Analytical Chemistry 82 (2010) 6958-6968.
Mathias Q.Müller, Frank Dreiocker, Christian H.Ihling, Mathias Schäfer,
Andrea Sinz
A Novel Collision-Induced Dissociative Chemical Cross-Linker for Protein Structure
Analysis - Constant Neutral Losses Simplify Identification of Cross-Linked Products.
Journal of Mass Spectrometry 45 (2010) 880-891. DOI: 10.1002/jms.1775
Also available @ ACS Publications The DOI® System
Frank Dreiocker, Mathias Q. Müller, Andrea Sinz, Mathias Schäfer
Collision-Induced Dissociative Chemical Cross-Linking Reagent for Protein Structure
Characterization: Applied Edman Chemistry in the Gas Phase.
Journal of Mass Spectrometry 45 (2010) 178-189. DOI: 10.1002/jms.1702.
Also available @ ACS Publications The DOI® System
Frank Dreiocker, Jos Oomens, Anthony J.H.M. Meijer, Barry T. Pickup, Richard
F.W. Jackson, Mathias Schäfer
Structure elucidation of Dimethylformamide Solvated Alkylzinc Cations in the
Gas Phase.
Journal of Organic Chemistry 75 (2010) 1203-1213. DOI: 10.1021/jo902492z.
Also available @ ACS Publications The DOI® System
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Publikationen und Tagungsbeiträge
ab 2009 zurück zum Seitenanfang |
Katharina Butsch, Sait Elmas, Nalinava Sen Gupta, Ronald Gust, Frank Heinrich, Axel Klein,
Yvonne von Mering, Michael Neugebauer, Ingo Ott, Mathias Schäfer, Harald Scherer, Thilo Schurr
Organoplatinum(II) and -palladium(II) Complexes of Nucleobases and Their Derivatives.
Organometallics 28 (2009) 3906-3915. DOI: 10.1021/om900208r.
Also available @ ACS Publications The DOI® System
Sandra Matthijs, Georges Laus, Jean-Marie Meyer, Kourosch Abbaspour-Tehrani,
Mathias Schäfer, Herbert Budzikiewicz, Pierre Cornelis
Siderophore-mediated iron acquisition in the entomopathogenic bacterium
Pseudomonas entomophila L48 and its close relative Pseudomonas putida KT2440.
Biometals, 22 (2009) 951-964.
Stefan Berking, Uwe Hoffmann, Mathias Schäfer, Klaus Herrmann
Methionine in pattern control of Hydra.
Central European Journal of Biology, 4 (2009) 549-557. DOI 10.2478/s11535-009-0038-9.
Available online @ ACS Publications The DOI® System
Miriam K.Drayß, Dirk Blunk, Jos Oomens, Bing Gao, Thomas Wyttenbach,
Michael T.Bowers, Mathias Schäfer
Systematic study of the structures of potassiated tertiary amino acids:
Salt bridge structures dominate.
Journal of Physical Chemistry A 113 (2009) 9543-9550.
Also available @ ACS Publications The DOI® System
Mario Thevis, Simon Beuck, Andreas Thomas, Gregor Fußhöller,
Nils Schlörer, Mathias Schäfer, Wilhelm Schänzer
Electron Ionization Mass Spectrometry of the Ryanodine Receptor-based
Ca2+-Channel Stabilizer S-107 and its Implementation into Routine
Doping Control
Rapid Communications in Mass Spectrometry, 23 (2009) 2363-2370.
A.Raman Rabindranath, Anna Maier, Mathias Schäfer, Bernd Tieke
Luminescent and ionochromic polyiminofluorene with conjugated terpyridine
substituent groups.
Macromol. Chem. Phys. 210 (2009) 659-668.
Mathias Schäfer, Frank Dreiocker, Jos Oomens, Richard F.W. Jackson,
Anthony J.H.M. Meijer, Barry T. Pickup
Gas-phase examination of alkylzinc dimethylformamide cluster ions: key
intermediates in the stereo-controlled synthesis of non-natural amino acids.
International Mass Spectrometry Conference IMSC, 30.08. bis 04.09.2009, Bremen, Germany.
Heike Klesper, Radouane Nagim, Mathias Schäfer, Klaus Meerholz
Low flow ESI LC-MS method for the analysis of degradation products and impurities
in unpolar compounds used for organic electronics.
International Mass Spectrometry Conference IMSC, 30.08. bis 04.09.2009, Bremen, Germany.
Frank Dreiocker, Mathias Müller, Andrea Sinz, Mathias Schäfer
New dissociative cross-linker for effective protein structure elucidation by tandem
mass spectrometry.
International Mass Spectrometry Conference IMSC, 30.08. bis 04.09.2009, Bremen, Germany.
Mathias Schäfer, Miriam K.Drayß, Dirk Blunk, Jeremiah M.Purcell,
Christopher L.Hendrickson, Alan G.Marshall, Abhigya Mookherjee, P.B.Armentrout
Kinetic Determination of Potassium Affinities by IRMPD: Elucidation of
Precursor Ion Structures.
Journal of Physical Chemistry A 113 (2009) 7779-7783.
Also available @ ACS Publications The DOI® System
Mario Thevis, Simon Beuck, Maxie Kohler, Andreas Thomas, Mathias Schäfer,
Wilhelm Schänzer
Mass Spectrometry-Based Detection of New Drugs and Methods of Manipulation in
Doping Control Analysis.
18th International Mass Spectrometry Conference IMSC, 30.08.-04.09.2009, Bremen,
Germany.
Miriam K.Drayß, Dirk Blunk, Jos Oomens, Nick Polfer, Carsten Schmuck,
Bing Gao, Thomas Wyttenbach, Michael T.Bowers, Mathias Schäfer
Gas-Phase Structures of Solution-Phase Zwitterions: Charge Solvation or Salt
Bridge?
International Journal of Mass Spectrometry 281 (2009) 97-100.
Mathias Schäfer, Frank Dreiocker, Herbert Budzikiewicz
Collision-induced loss of AgH from Ag+-adducts leads
exclusively to thermodynamically favored product ions.
Journal of Mass Spectrometry 44 (2009) 278-284.
Mathias Schäfer, Frank Dreiocker, Jos Oomens, Richard F.W. Jackson,
Anthony J.H.M. Meijer, Barry T. Pickup
Gas-phase examination of alkylzinc dimethylformamide cluster ions: key
intermediates in the stereo-controlled synthesis of non-natural amino acids.
42. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie,
DGMS, Universität Konstanz, 08.-11. März 2009.
Miriam Drayß, Dirk Blunk, Frank Dreiocker, Jeremiah M. Purcell,
Christopher L. Hendrickson, Alan G. Marshall, Jos Oomens, Peter Armentrout,
Abhigya Mookherjee, Mathias Schäfer
Untersuchung von [M+K]+ Molekülionen tertiärer
Aminosäuren in der Gasphase: Molecular Modelling und Infrared Multi
Photon Dissociation Spectroscopy (CO2-Laser IRMPD und Free
Electron Laser for Infrared Experiments).
42. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie,
DGMS, Universität Konstanz, 08.-11. März 2009.
H. Moll, A. Johnsson, M. Schäfer, M. Glorius, K. Pedersen,
H. Budzikiewicz, G. Bernhard
Complexation of Neptunium (V) with Pyoverdins.
Migration 2009, 12th International Conference on the Chemistry and Migration
Behaviour of Actinides and Fission Products in the Geosphere, 20.09.-25.09.
Kennewick, Washington, USA 2009.
Miriam Drayß, Dirk Blunk, Frank Dreiocker, Jeremiah M. Purcell,
Christopher L. Hendrickson, Alan G. Marshall, Jos Oomens, Abhingya Mookherjee,
Peter Armentrout, Mathias Schäfer
Potassium affinity of gas-phase amino acids determined by IRMPD
(CO2- and Free Electron Laser) and molecular modelling.
57th ASMS Conference on Mass Spectrometry, 31.05.-04.06.2009, Philadelphia PA,
USA 2009.
Mario Thevis, Simon Beuck, Andreas Thomas, Maxie Kohler, Mathias Schäfer,
Wilhelm Schänzer
Mass Spectrometry in Sports Drug Testing: Characterization and Detection of
RYCALs: Endurance-Enhancing Ryanodine-Calstabin-Complex Stabilizers.
57th ASMS Conference on Mass Spectrometry, 31.05.-04.06.2009, Philadelphia PA,
USA 2009.
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Publikationen und Tagungsbeiträge
ab 2008 zurück zum Seitenanfang |
Miriam Drayß, Dirk Blunk, Jos Oomens, Mathias Schäfer
Infrared Multiple Photon Dissociation Spectroscopy of Potassiated Proline.
Journal of Physical Chemistry A 112 (2008) 11972-11974.
Also available @ ACS Publications The DOI® System
Axel G. Griesbeck, Mathias Schäfer, Johannes Uhlig
Photooxygenation Catalysis with a Polyol-decorated Disc-shaped Porphyrine
Sensitizer: Shell-Recognition Effects.
Advanced Synthesis and Catalysis (2008) 350, 2104-2108.
Sandra Matthijs, Herbert Budzikiewicz, Mathias Schäfer, Bernard Wathelet,
Pierre Cornelis
Ornicossugatin, a new Siderophore from Pseudomonas Fluoreszens AF76.
Zeitschrift für Naturforschung 63 (2008) 8-12.
Albrecht Berkessel, Marc Brandenburg, Mathias Schäfer
Mass-Spectrometrical and Kinetic Studies on the Mechanism and Degradation
Pathways of Titanium Salalen Catalysts for Asymmetric Epoxidation with Aqueous
Hydrogen Peroxide.
Advanced Synthesis and Catalysis 350 (2008) 1287 -1294.
Henry Moll, Maja Glorius, Gert Bernhard, Anna Johnsson, Karsten Pedersen, Mathias
Schäfer, Herbert Budzikiewicz
Characterization of Pyoverdins Secreted by a Subsurface Strain of Pseudomonas
Fluorescens and their Interactions with Uranium(VI).
Geomicrobiology Journal 25 (2008) 157-166.
Jean-Marie Meyer, Christelle Gruffaz, Vololoniaina Raharinosy, Irina Bezverbnaya,
Mathias Schäfer, Herbert Budzikiewicz
Siderotyping of Fluorescent Pseudomonas: molecular mass determination by mass
spectrometry as a powerful pyoverdine siderotyping method.
BioMetals 21 (2008) 259-271.
Henry Moll, Anna Johnsson, Mathias Schäfer, Karsten Pedersen, Herbert Budzikiewicz,
Gert Bernhard
Curium(III)-Complexation with Pyoverdins Secreted by a Groundwater Strain of Pseudomonas
Fluorescens.
BioMetals 21 (2008) 219-228.
Marc Ongena, Emmanuel Jourdan, Akram Adam, Mathias Schäfer, Herbert Budzikiewicz,
Philippe Thonart
Amino Acids, Iron, and Growth Rate as Key Factors Influencing Production of the
Pseudomonas Putida BTP1 Benzylamine Derivative Involved in Systemic Resistance Induction
in Different Plants.
Microbiology Ecology 55 (2008) 280-292.
Christina D. Moon, Xue-Xian Zhang, Sandra Matthijs, Mathias Schäfer, Herbert
Budzikiewicz, Paul. B. Rainey
Genomic and Genetic Analysis of Pyoverdine-Mediated Iron Acquisition in a Plant
Growth-Promoting Bacterium, Pseudomonas Fluorescens SBW25.
BMC Microbiology 8 (2008) 7.
Mathias Schäfer, Miriam Drayß, Dirk Blunk, Carsten Schmuck, Jos Oomens,
Nick Polfer, Bing Gao, Thomas Wyttenbach, Michael Bowers
Structures of Guanidiniocarbonylpyrrole-Derivative Ions in the Gas Phase Examined
by MS/MS, FELIX Induced Photo-Dissociation Spectroscopy, Ion Mobility-MS and Computational
Modelling.
ISOLATED BIOMOLECULES AND BIOMOLECULAR INTERACTIONS, IBBI08, Valladolid, Spain, 13.-18.04.2008.
Mathias Schäfer
Prozesse der Erzeugung von Gasphasenionen mit Hilfe der Elektrosprayionisierung.
41. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS,
Justus-Liebig-Universität Gießen, 02.-05. März 2008.
Frank Dreiocker, Herbert Budzikiewicz, Mathias Schäfer
MS/MS-Untersuchung des Verlusts von Silberhydrid aus [M+Ag]+
Vorläuferionen unsymmetrischer tertiärer Amine und tertiärer
Aminocarbonsäuren.
41. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS,
Justus-Liebig-Universität Gießen, 02.-05. März 2008.
Miriam Drayß, Mathias Schäfer, Carsten Schmuck, Dirk Blunk, Nick C. Polfer,
Jos Oomens, Michael T. Bowers, Thomas Wyttenbach, Bing Gao
Examination of the Gas-Phase Ion Structure of Cationized Guanidiniocarbonyl Pyrrole
Derivates (Na+) by Infrared Multi Photon Dissociation Spectroscopy (IRMPD),
Computational Modelling and Ion Mobility Spectroscopy.
41. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS,
Justus-Liebig-Universität Gießen, 02.-05. März 2008.
Mathias Schäfer, Miriam Drayß, Dirk Blunk, Carsten Schmuck, Jos Oomens,
Nick Polfer, Bing Gao, Thomas Wyttenbach, Michael Bowers
Structures of Guanidiniocarbonylpyrrole-Derivative Ions in the Gas Phase Examined
by MS/MS, FELIX Induced Photo-Dissociation Spectroscopy, Ion Mobility-MS and Computational
Modelling.
13th ISMAS Symposium cum Workshop on Mass Spectrometry, BARC Training School, Anushakti
Nagar, Mumbai, 27.01.-31.01.2008.
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Publikationen und Tagungsbeiträge
ab 2007 zurück zum Seitenanfang |
Mathias Schäfer, Miriam Drayß, Andreas Springer, Philipp Zacharias, Klaus Meerholz
Radical Cations in Electrospray Mass Spectrometry: Formation of Open-Shell Species,
Examination of the Fragmentation Behaviour in ESI-MSn and Reaction Mechanism
Studies via Detection of Transient Radical Cations.
European Journal of Organic Chemistry, 31 (2007) 5162-5174.
Albrecht Berkessel, Marc Brandenburg, Eva Leitterstorf, Julia Frey, Johann Lex,
Mathias Schäfer
A Practical and Versatile Access to Dihydrosalen (Salalen) Ligands: Highly
Enantioselective Titanium In Situ Catalysts for Asymmetric Epoxidation with Aqueous
Hydrogen Peroxide.
Advanced Synthesis and Catalysis, 349 (2007) 2385-2391.
Herbert Budzikiewicz, Mathias Schäfer, Jean-Marie Meyer
Siderotyping of Fluorescent Pseudomonads - Problems in the Determination of
Molecular Masses by Mass Spectrometry.
Mini-Reviews in Organic Chemistry, 4 (2007) 246-253.
Frank Dreiocker, Mathias Schäfer, Juri Rappsilber
Proteinstrukturaufklärung unter Verwendung Tandem-massenspektrometrisch
selektiv nachweisbarer Crosslinker.
40. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS 2007,
Universität Bremen, 11. - 14. März 2007.
Miriam Drayß, Mathias Schäfer, Carsten Schmuck, Dirk Blunk,
Nick C.Polver, Jos Oomens
Examination of the gasphase Ion Structure of Cationized Guanidiniocarbonyl
pyrrole derivates (Na+) by Infrared multi Photon Dissociation Spectroscopy
(IRMPD) and Computational Modelling.
40. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS 2007,
Universität Bremen, 11. - 14. März 2007.
Carsten Schmuck, Thomas Rehm, Lars Geiger, Mathias Schäfer
Synthesis and self-association properties of flexible
guanidiniocarbonyl-pyrrole-carboxylate-zwitterions in DMSO: Intra-versus
intermolecular charge interactions.
Journal for Organic Chemistry (2007) 72, 6162-6170.
Miriam Drayß, Mathias Schäfer, Carsten Schmuck, Dirk Blunk, Nick C. Polfer,
Jos Oomens, Sebastian Schlund, Bernd Engels
Examination of gas-phase Ion Structures of Cationized Guanidiniocarbonyl pyrroles by
Infrared multi Photon Dissociation Spectroscopy (IRMPD) and Computational Modeling.
55th ASMS Conference on Mass Spectrometry, June 3rd-7th 2007, Indianapolis IN, USA 2007.
Mathias Schäfer, Andreas Springer, Philipp Zacharias, Klaus Meerholz
Electrospray Mass Spectrometry and ES-MS/MS of hole-transport materials:
formation of open-shell molecular radical cations and remarkable MSn
fragmentation behaviour.
55th ASMS Conference on Mass Spectrometry, June 3rd-7th 2007, Indianapolis IN, USA 2007.
Henry Moll, Anna Johnsson, Mathias Schäfer, Maja Glorius, Karsten Pedersen,
Herbert Budzikiewicz, Gert Bernhard
Complexation of actinides with bioligands secreted by a subsurface strain of
Pseudomonas fluorescens.
Migration 2007, August 26th-31st, Munich, Germany, 2007.
Mathias Schäfer
Electrospray-MS/MS: Ion Formation, Collision Activation and Fragmentation Reactions
of Organic and Bioorganic Compounds.
12th ISMAS Symposium cum Workshop on Mass Spectrometry, March 25th-30th, Dona Paula,
Goa, India, 2007.
Herbert Budzikiewicz, Mathias Schäfer, Diana Uria Fernández, Sandra
Matthijs, Pierre Cornelis
Characterization of the chromophores of pyoverdins and related siderophores by
electrospray tandem mass spectrometry.
Bio Metals 20 (2007) 135-144.
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Publikationen und Tagungsbeiträge
ab 2006 zurück zum Seitenanfang |
Herbert Budzikiewicz, Mathias Schäfer, Diana Uria Fernández, Jean-Marie Meyer
Structure Proposal for a New Pyoverdin from Pseudomonas sp. PS 6.10
Zeitschrift für Naturforschung 61c, 815-820 (2006).
Mathias Schäfer, Regine Fuchs, Herbert Budzikiewicz, Andreas Springer,
Jean-Marie Meyer, Michael Linscheid
Structure elucidation of cyclic pyoverdins and examination of rearrangement
reactions in MS/MS experiments by determination of exact product ion masses.
Journal of Mass Spectrometry 41: 1162-1170 (2006).
Mathias Schäfer, Nick C.Polfer, Jos Oomens, Dirk Blunk, Matthew Forbes, Rebecca A.Jockusch
Examination of the gasphase ion structure of cationized arginine (Na+, K+)
by infrared multiphoton dissociation spectroscopy and computational modeling.
54rd ASMS Conference on Mass Spectrometry and Allied Topics, Seattle WA, USA, 2006.
Mathias Schäfer, Regine Fuchs, Herbert Budzikiewicz, Andreas Springer,
Michael Linscheid
Tandem-MS Studie von Peptiden mit cyclischen Substrukturen: Aufklärung
von skeletteralen Umlagerungsreaktionen bei CID in Quadrupol- und magnetischen
Ionenfallen & Ermittlung der Primärstruktur.
39.Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS 2006,
Universität Mainz, 05. bis 08. März, 2006.
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Publikationen und Tagungsbeiträge
ab 2005 zurück zum Seitenanfang |
M.Schäfer, A.Springer, M.Linscheid, R.Fuchs, H.Budzikiewicz
MSn Characterization and exact mass measurement of
MS2-fragmentions of a peptide with a cyclic substructure:
Examination of fragmentation and rearrangement reactions.
53rd ASMS Conference on Mass Spectrometry and Allied Topics, San Antonio,
Texas (USA), 2005.
M.Ongena, E.Jourdan, M.Schäfer, C.Kech, H.Budzikiewicz, A.Luxen, P.Thonart
Isolation of an n-alkylated benzylamine derivative from Pseudomonas putida
BTP1 as elicitor of induced systemic resistance in bean.
Molecular Plant-Microbe Interactions, 18: 562-569 (2005).
H.Budzikiewicz, M.Schäfer
Massenspektrometrie - Eine Einführung
Kurzbeschreibung: Die Neuauflage dieser bewährten Einführung vermittelt vor
allem Anfängern die Grundlagen der Massenspektrometrie. Sie beschreibt die Verfahren,
die heute mit kommerziellen Geräten genutzt werden und erläutert die Auswertung
und Interpretation der Spektren und Daten.
Inhalt TEIL I - GRUNDLAGEN: Terminologie, Apparative Grundlagen, Ionenarten
Inhalt TEIL II - AUSWERTUNG VON MASSENSPEKTREN: Bestimmung von Molekülmasse und
Elementarzusammensetzung, Isotopenanalyse, Quantitative und Qualitative Analyse von Gemischen,
Bindungsarten und thermodynamische Daten aus IP- und AP-Messungen, Interpretation der
Fragmentierungsmuster organischer Verbindungen, Besprechung einzelner Verbindungsklassen,
Beispiele aus dem Naturstoffbereich, Stereochemische Probleme.
Fünfte vollständig überarbeitete & aktualisierte Auflage - Februar 2005.
Wiley-VCH Weinheim, ISBN 3-527-30822-9, 220 Seiten, Preis: 34,90 Euro
D.Naumann, W.Tyrra, S.Quadt, S.Buslei, I.Pantenburg, M.Schäfer
Bis(trifluoromethylselenato(0))metallates(I) of Silver and Gold,
[M(SeCF3)2]- (M = Ag, Au).
Z. Anorg. Allg. Chemie, 631, 2733-2737 (2005).
M.Silberbach, M.Schäfer, A.Hüser, J.Kalinowski, A.Pühler,
R.Krämer, A.Burkovski
Adaptation of Corynebacterium glutamicum to ammonium limitation: a global
analysis using transcriptome and proteome techniques.
Appl. Env. Microbiol. 71, 2391-2402 (2005).
M.Silberbach, M.Schäfer, A.Hüser, J.Kalinowski, A.Pühler,
R.Krämer, A.Burkovski
The respones of Corynebacterium glutamicum to nitrogen limitation.
Poster, BioPerspectives, Wiesbaden, 10.05.-12.05.2005.
M.Silberbach, M.Schäfer, R.Krämer, A.Burkovski
Global analysis of the response to nitrogen limitation in Corynebacterium
glutamicum using DNA microarrays and 2-D-PAGE.
Poster, Dechema Statusseminar Chiptechnologien, Frankfurt a.M., 03.02.-04.02.2005.
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Publikationen und Tagungsbeiträge
ab 2004 zurück zum Seitenanfang |
N.V.Kirij, W.Tyrra, D.Naumann, Y.L.Yagupolskii, I.Pantenburg, M.Schäfer
Bis(trifluoromethyltellurato(0))metallates(I) of copper, silver and gold,
[M(TeCF3)2]- (M = Cu, Ag, Au).
Journal of Fluorine Chemistry 125 (2004) 1933-1938.
A.Bultreys, I.Gheysen, B.Wathelet, M.Schäfer, H.Budzikiewicz
The Pyoverdins of Pseudomonas syringae and Pseudomonas cichorii.
Zeitschrift für Naturforschung (2004) 59c, 613-618.
C.Ruangviriyachai, D.U.Fernández, M.Schäfer, H.Budzikiewicz
Structure proposal for a new pyoverdin from a Thai Pseudomonas putida strain.
Spectroscopy (2004) 18, 453-458.
M.Schäfer, C.Schmuck, L.Geiger, M.J.Chalmers, C.L.Hendrickson, A.G.Marshall
Structurally related non-covalent complexes examined by quadrupole ion trap (QIT)
MS2 and infrared multiphoton dissociation Fourier transform ion cyclotron
resonance mass spectrometry IRMPD-FT-ICR MS: evidence for salt-bridge structures in
the gas phase.
International Journal of Mass Spectrometry (2004) 237/1, 33-45.
M.Schäfer
The Expanding Role of Mass Spectrometry in Biotechnology.
By Gary Siuzdak, Book Review, ChemBioChem (2004) 5, 887.
M.Schäfer, N.Schlörer
Internet-Based Spectroscopy Tools: Instructive Aids for Molecular-Structure Analysis?
Angewandte Chemie International Edition (2004) 43, 2878.
M.Schäfer, N.Schlörer
Das Internet - lehrreiche Hilfe bei der molekularen Strukturaufklärung?
Angewandte Chemie (2004) 116, 2938.
M.Schäfer, C.Schmuck, L.Geiger, C.L.Hendrickson, M.J.Chalmers, A.G.Marshall
Structurally related non-covalent complexes examined by quadrupole ion trap (QIT)
MS2 and infrared multiphoton dissociation Fourier transform ion cyclotron
resonance mass spectrometry (IRMPD-FT-ICR MS): evidence for salt-bridge structures
in the gas phase.
52th ASMS conference on Mass Spectrometry and Allied Topics, Nashville, TN USA, 2004.
M.Schäfer, C.Schmuck, L.Geiger, M.J.Chalmers, C.L.Hendrickson, A.G. Marshall
Strukturverwandte non-kovalent verknüpfte Komplexe in elektrischen und magnetischen
Ionenfallen (Q-Trap: MS2 & FT-ICR MS: infrared
multiphoton dissociation IRMPD-MS/MS):
Zwitterionische Strukturen in der Gasphase?
Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie DGMS, UFZ Leipzig, 2004.
S.Matthijs, C.Baysse, N.Koedam, K.A.Tehrani, L.Verheyden, H.Budzikiewicz, M.Schäfer, B.Hoorelbeke, J.-M.Meyer, H.De Greve, P.Cornelis
The Pseudomonas siderophore quinolobactin is synthesized from xanthurenic acid, an intermediate of the kynurenine pathway.
Molecular Microbiology (2004) 52, 371-384.
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Publikationen und Tagungsbeiträge
ab 2003 zurück zum Seitenanfang |
D.Uría Fernández, V.Geoffroy, M.Schäfer, H.Budzikiewicz, J.-M.Meyer
Bacterial Constituents CXIII[1]. Structure Revision of Several Pyoverdins Produced by Plant-Growth Promoting and Plant-Deleterious Pseudomonas Species.
Monatshefte für Chemie (2003) 134, 1421-1431.
M.Schäfer, C.Schmuck, M.Heil, H.J.Cooper, C.L.Hendrickson, M.J.Chalmers, A.G. Marshall
Determination of the Activation Energy for Unimolecular Dissociation of a Non-Covalent Gas-Phase Peptide: Substrate Complex by Infrared Multiphoton Dissociation Fourier Transform Ion Cyclotron Resonance Mass Spectrometry.
Journal of American Society for Mass Spectrometry (2003) 14, 1282-1289.
J.B.Fenn
Elektrospray: Molekulare Elephanten lernen das Fliegen (Nobel-Vortrag).
Angew.Chem., (2003) 115, 3999-4024; Übersetzung: M.Schäfer.
K.Tanaka
Ionisation von Makromolekülen durch Bestrahlung mit Laserlicht (Nobel-Vortrag).
Angew.Chem., (2003) 115, 3989-3998; Übersetzung: M.Schäfer.
M.Schäfer, C.Schmuck, M.Heil, H.J.Cooper, C.L.Hendrickson, M.J.Chalmers, A.G. Marshall
Determination of the gas-phase activation energy for the unimolecular dissociation of a non-covalent complex by infrared multiphoton dissociation tandem Fourier transform ion cyclotron resonance mass spectrometry.
51th ASMS conference on Mass Spectrometry and Allied Topics, Montreal, Canada 2003.
M.Schäfer
Supramolekular Crown Ether Adducts in the Gas Phase: From Molecular Recognition of Amines to the Covalent Coupling of Host/Guest Molecules.
Angew.Chem.Int.Ed., (2003) 42, 1896-1899.
M.Schäfer
Kronenether-Komplexe in der Gasphase: von der molekularen Erkennung von Aminen bis zur kovalenten Verknüpfung von Wirt- und Gastmolekülen.
Angew.Chem., (2003) 115, 1940-1943.
D.Uría Fernández, R.Fuchs, M.Schäfer, H.Budzikiewicz, J.-M.Meyer
The Pyoverdin of Pseudomonas fluorescens G173, a Novel Structural Type Accompanied by Unexpected Natural Derivatives of the Corresponding Ferribactin.
Zeitschrift für Naturforschung, (2003) 58c, 1-10.
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Publikationen und Tagungsbeiträge
ab 2002 zurück zum Seitenanfang |
M.Schäfer, K.Herrmann, S.Berking, H.Hartmann, P.Küpper
Development and application of a custom-made nano-electrospray ion source.
Desorption 2002, Estes Park, CO, USA (2002).
M.Schäfer
Principles and Practice of Biological Mass Spectrometry Edited by Chhabil Dass, Book Review.
ChemBioChem, (2002) 3(11), 1159.
D.Mossialos, U.Ochsner, C.Baysee, P.Chablain, J.-P.Pirnay, N.Koedam, H.Budzikiewicz, D.Uría Fernández, M.Schäfer, J.Ravel, P.Cornelis
Identification of new, conserved, non-ribosomal peptide synthetases from fluorescent pseudomonads involved in the biosynthesis of the siderophore pyoverdine.
Molecular Microbiology, (2002) 45(6), 1673-1685.
C.A.Schalley, T.Müller, P.Linnartz, M.Witt, M.Schäfer, A.Lützen
Mass Spectrometric Characterization and Gas-Phase Chemistry of Self-Assembling Supramolecular Squares and Triangles.
Chem.Eur.Journal, 8 (2002) 3538-3551.
F.-J.Marner, A.N.B.Singab, M.M.Al-Azizi, N.A.El-Emary, M.Schäfer
Iridal Glycosides from IRIS SPURIA (ZEAL), cultivated in Egypt.
Phytochemistry, 60 (2002) 301-307.
I.Bellahn, R.Krämer, S.Waffenschmidt, M.Schäfer
Proteome analysis of the vacuole of Saccharomyces cerevisiae.
Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS 2002, 03.bis 06.März 2002, DKFZ Heidelberg
D.Uría Fernández, M.Schäfer, H.Budzikiewicz, S.Heim
Möglichkeiten und Grenzen von MALDI-MS Fingerprints am Beispiel der Strukturaufklärung eines Membranproteins von Pseudomonas fluorescens G173.
dgms2002.ppt - download Power Point Poster [584 KB] - msoc Präsentation vom 28.02.2002 auf der DGMS
Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS 2002, 03.bis 06.März 2002, DKFZ Heidelberg
M.M.Silberbach, A.K.Bendt, R.Krämer, M.Schäfer, A.Burkovski
Proteome analysis of Corynebacterium glutamicum.
Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS 2002, 03.bis 06.März 2002, DKFZ Heidelberg
M.Schäfer, H.Schmickler, H.Budzikiewicz, R.Fuchs
Strukturaufklärung von Methaboliten des Antidepressivums OPIPRAMOL mittels MS/MS, LC-MSn und NMR.
XIII. Massenspektrometische Diskussionsveranstaltung, 19./20.Februar 2002, Universität Wien, Austria
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Publikationen und Tagungsbeiträge
ab 2001 zurück zum Seitenanfang |
K.Schlegel, R.Fuchs, M.Schäfer, K.Taraz, H.Budzikiewicz, V.Geoffroy, J.-M.Meyer
The Pyoverdins of Pseudomonas sp.96-312 and 96-318
Zeitschrift für Naturforschung, 56c (2001) 680-686.
B.M.O'Leary, T.Szabo, N.Svenstrup, C.A.Schalley, A.Lützen, M.Schäfer, J.Rebek Jr.
"Flexiball" Toolkit: A Modular Approach to Self-Assembling Capsules
Journal of American Chemical Society, 123 (2001) 11519-11532.
M.Ongena, M.Schäfer, H.Budzikiewicz, P.Jacques, J.Dommes, P.Thonart
Isolation of new metabolites from Pseudomonas putida involved in plant resistance induction
PSEUDOMONAS 2001, Brussels/Belgium, Sept. 2001.
D.Uría Fernández, H.Budzikiewicz, K.Taraz, M.Schäfer
Fast Characterisation of the different siderophores of pseudomonas fluorescens G173
PSEUDOMONAS 2001, Brussels/Belgium, Sept. 2001.
M.Ongena, P.Jacques, P.Thonart, I.Gwose, D.Uría Fernández, M.Schäfer, H.Budzikiewicz
The pyoverdin of Pseudomonas fluorescens BTP2, a novel structural type
Tetrahedron Letters, 42 (2001) 5849-5851.
M.Schäfer, U.Hohlneicher, R.Fuchs, H.Budzikiewicz
Examination of the biosynthetic pathway of Pseudomonas Siderophores by means of MSn-Ion-Trap experiments
49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, IL, (May 2001).
U.Hohlneicher, M.Schäfer, R.Fuchs, H.Budzikiewicz
Ferribactins as the Biosynthetic Precursors of the Pseudomonas Siderophores Pyoverdins
Zeitschrift für Naturforschung, 56c (2001) 308-310.
M.Schäfer (exc.ed.)
Novel Biochemical, Microbiological and Analytical Developments concerning pathogenic Bacteria: Focus on Pyoverdines and Receptor Proteins of Pseudomonads
Current Topics in Medicinal Chemistry 1 (2001).
R.Fuchs, M.Schäfer, V.Geoffroy, J.-M.Meyer
Siderotyping - a powerful tool for the characterization of pyoverdines
Current Topics in Medicinal Chemistry 1 (2001) 31-57.
M.Schäfer, H.Budzikiewicz
A FAB- and MALDI-mass spectrometry study of doubly charged porphyrins
Journal of Mass Spectrometry, 36 (2001) 1062-1068.
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Publikationen und Tagungsbeiträge
ab 2000 zurück zum Seitenanfang |
M.Schäfer, H.Budzikiewicz
A mass spectrometric study of doubly charged porphyrins
48th ASMS Conference on Mass Spectrometry and Allied Topics, Long Beach, CA, (June 2000).
P.Cornelis, C.Baysse, D.De Vos, Y.Naudet, J.-M.Meyer, H.Budzikiewicz, M.Schäfer, R.Fuchs
Vanadium interferes with siderophore-mediated iron uptake in Pseudomonas aueruginosa
2.International Biometals Symposium, Tübingen, Germany (2000).
P.Cornelis, C.Baysse, D.De Vos, Y.Naudet, J.-M.Meyer, H.Budzikiewicz, M.Schäfer, R.Fuchs
Vanadium interferes with siderophore-mediated iron uptake in Pseudomonas aueruginosa
Microbiology 146 (2000) 2417-2424.
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Publikationen und Tagungsbeiträge
ab 1999 zurück zum Seitenanfang |
C.Siethoff, W.Wagner-Redeker, M.Schäfer, M.Linscheid
HPLC-MS with an Ion Trap Mass Spectrometer
Chimica 53 (1999) 484-491.
M.Schäfer, T.Hagemeister, R.Molzahn, M.Linscheid, H.-J.Weigmann, J.Lademann, R.v.Pelchrzim, W.Sterry
Determination of Clobetasol Propionate in Stratum Corneum Extracts by Means of HPLC and LC-MS
Jahrestagung DGMS, Oldenburg, Deutschland (1999).
M.Schäfer, T.Hagemeister, R.Molzahn, M.Linscheid, H.-J.Weigmann, J.Lademann, R.v.Pelchrzim, W.Sterry
Determination of Clobetasol Propionate in Stratum Corneum Extracts by Means of HPLC and LC-MS
Proceedings 47th ASMS Conf. Mass Spectrom. Allied Topics, Dallas TX (1999).
H.-J.Weigmann, J.Lademann, R.v.Pelchrzim, W.Sterry, T.Hagemeister, R.Molzahn, M.Schäfer, M.Linscheid, H.Schaefer, V.P.Shah
Bioavailability of Clobetasol Propionate-Quantification of Drug Concentrations in the Stratum Corneum by Dermatokinetics using Tape Stripping
Skin Pharmacol. Appl. Skin Physiol. 12 (1999) 46-53.
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Publikationen und Tagungsbeiträge
bis einschl. 1998 zurück zum Seitenanfang |
M.Schäfer
Entwicklung eines tandem-massenspektrometrischen Screening-Verfahrens zum Nachweis tricyclischer Antidepressiva und ihrer Metaboliten aus Körperflüssigkeiten
Shaker Verlag, Dissertation Universität Köln (1998) ISBN 3-8265-4206-1, pp.145.
C.Lenz, M.Schäfer, H.Budzikiewicz
Improved ternary matrices for the analysis of Ferry-Pyoverdines by Fast Atom Bombardment Mass Spectrometry
J. Mass Spectrom. 33 (1998) 984-987.
H.-J.Weigmann, J.Lademann, R.v.Pelchrzim, W.Sterry, T.Hagemeister, R.Molzahn, M.Schäfer, M.Linscheid, H.Schaefer
Bioavailability of clobetasol propionate - quantification of drug concentrations in the stratum corneum by dermatopharmacokinetics using tape-stripping.
Skin Pharm. 12 (1998) 46-53.
P.Dallakian, H.Benoni, M.Schäfer, H.Budzikiewicz
Mass Spectrometric and Pyrolytic behaviour of some aryl sustituted Isoxazolines
J. Mass Spectrom. 33 (1998) 346-357.
M.Schäfer, H.Budzikiewicz, H.Brzezinka, M.Schifferdecker
A fast screening method for tricyclic antidepressants and their urinary metabolites by FAB-tandem mass spectrometry
Spectroscopy 13 (1997) 213- 226.
H.Budzikiewicz, P.Bold, M.Schäfer, P.Dallakian, H.Brzezinka
Screening procedures for drugs in body fluids
Proceedings ASMS 45th Conf. Mass Spectrom. Allied Topics, Palm Springs CA (1997) 1095.
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