Journal of the American Society for Mass Spectrometry
doi:10.1016/j.jasms.2008.10.017
Determination of Ion Structures in Structurally Related Compounds Using Precursor Ion Fingerprinting
Michelle T. Sheldon¹, Robert Mistrik² and Timothy R. Croley^1
1Commonwealth of Virginia, Department of General Services, Division of Consolidated Laboratory Services, 600 N 5th Street, Richmond VA 23219, United States ²HighChem, Ltd., Cajakova 18, 81105 Bratislava, Slovakia

Invited Lecture - Metabolomics Society 4^th Annual Conference, Boston, MA, USA
September 3-6, 2008
Integrated Approach for Structural Analysis of Endogenous Metabolites
Robert Mistrik, HighChem, Slovakia

Poster Presentation - 56^th ASMS Conference on Mass Spectrometry, Denver, CO, USA
June 1 - 5, 2008
Determination of the Ion Structures of Isomers Using Precursor Ion Fingerprinting
Michelle Sheldon ³; Robert Mistrik²; Timothy R. Croley^1 
1Commonwealth of Virginia, Richmond, VA;  ²HighChem, Bratislava, Slovakia;  ³Div of Consolidated Lab, Richmond, VA 
 
Poster Presentation - 56^th ASMS Conference on Mass Spectrometry, Denver, CO, USA
June 1 - 5, 2008
PIF: Precursor Ion Fingerprinting–Searching for Genesis Fragments using LC-MSⁿ
Julie A. Horner¹; Mark Sanders¹;Robert Mistrik^2
1Thermo Fisher Scientific, San Jose, CA;  ²HighChem, Bratislava, Slovakia

Oral presentation - 1^st METAcancer Meeting, Berlin, Germany
May 19-20, 2008
Strategy for identification of new breast cancer biomarkers using LC-MS and Precursot Ion fingerprinting (PIF) 
Robert Mistrik, Juraj Lutisan, Milos Suchy , HighChem, Slovakia

Oral Presentation - Computer Application  Workshop at 55^th ASMS Conference, Indianapolis, IN, USA
June 3 - 7, 2007
Efficient processing of spectral, structural and chromatographic data acquired by MSⁿ and high resolution techniques
Robert Mistrik , HighChem, Slovakia

Poster Presentation - 55^th ASMS Conference, Indianapolis, IN, USA
June 3 - 7, 2007
Determination of Ion Structures in Structurally Related Compounds Using Precursor Ion Fingerprinting
Michelle Sheldon ³; Robert Mistrik²; Timothy R. Croley^1 
1Commonwealth of Virginia, Richmond, VA;  ²HighChem, Bratislava, Slovakia;  ³Div of Consolidated Lab, Richmond, VA

Poster Presentation - 55^th ASMS Conference, Indianapolis, IN, USA
June 3 - 7, 2007
Automated Identification of Unknown Compounds Employing Nanoelectrospray LC/MS Coupled with Infusion MSn Employing the Concept of Precursor Ion Fingerprinting
¹Timothy R Croley, ¹Frederic L. Ciner, ¹Michelle Sheldon, ¹Robert A Everley, ²Gary Schultz, ²Ellen Pace, ³Robert Mistrik, ²Jack Henion
¹Commonwealth of Virginia, Richmond, VA;  ²Advion Biosciences, Ithaca, NY;  ³HighChem, Bratislava, Slovakia

Patent - United States Patent, No.: US 7,197,402 B2
March 27, 2007
Determination of Molecular Structures Using Tandem Mass Spectrometry
Robert Mistrik, HighChem, Slovakia 

Key Note Lecture - MassSpec-Forum, Vienna, Austria
February 20 - 21, 2007
A „Cool“ Outlook on „Uncool“ Fragmentation Processes
Robert Mistrik, HighChem, Slovakia 

Oral Presentation - CECE 2006, Brno, Czech Republic
November 13 -14, 2006
Mass spectrometric strategy for structural mapping of endogenous metabolites
Robert Mistrik, HighChem, Slovakia

Oral Presentation - CDC Level 1 Meeting, Minnesota, MI, USA
September 26 - 28 2006
Determination of Molecular Structures by Precursor Ion Fingerprinting
Robert Mistrik, HighChem, Slovakia

Poster Presentation - 17^th International Mass Spectrometry Conference, Prague, Czech Republic
August 27 - September 1, 2006
Primary (Sub-) Structure Proposals for General Unknows with EI Spectra not Available in LR MS-libraries Using HR MS-Data and HR Fragmentation Library
¹Alexej Nikiforov, ²Winfried Wagner-Redeker, ³Juraj Lutisan, ³Milos Suchy and ³Robert Mistrik
¹University of Vienna, Vienna Austria, 2Spectronex AG, ²Basel, Switzerland, ³HighChem, Bratislava, Slovakia

Poster Presentation - 17^th International Mass Spectrometry Conference, Prague, Czech Republic
August 27 - September 1, 2006
Bioinformatics for the Human Metabolome Project: Integrated Approach for Structural Mapping of Endogenous Metabolites
Robert Mistrik, Juraj Lutisan and  Milos Suchy, HighChem, Bratislava, Slovakia

Journal of Mass Spectrometry
2006; 41: 421-447
Comparison of CID spectra of singly charged polypeptide antibiotic precursor ions by positive-ion vacuum MALDI IT/RTOF and TOF/RTOF, AP-MALDI-IT and ESI-ITmass spectrometry
Ernst Pittenauer¹, Martin Zehl¹, Omar Belgacem², Emmanuel Raptakis², Robert Mistrik³ and Gunter Allmaier^1
1Institute of Chemical Technologies and Analytics, Vienna University of Technology, Vienna, Austria; ²Shimadzu Biotech Kratos Analytical, Manchester, UK; ³HighChem, Bratislava, Slovakia

Oral Presentation - 54^th ASMS Conference, Seattle, WA, USA
May 28 - June 1, 2006
Integrated Approach for Structural Profiling of Endogenous Metabolites
Robert Mistrik, Juraj Lutisan and  Milos Suchy, HighChem, Slovakia 

Poster Presentation - 53^rd ASMS Conference, San Antonio, TX, USA
June 5-9, 2005
Comparative Fragmentation Study of Polypeptide Antibiotics by Low Energy-CID (ESI- and MALDI-Ion Trap) Multistage MS and High Energy-CID (MALDI-rTOF) MS/MS
Ernst Pittenauer, Martin Zehl, Omar Belgacem, Robert Mistrik and Guenter Allmaier

Oral Presentation - 17^th Massenspektrometrische Diskussionsveranstaltung, Vienna, Austria
February 14 - 15, 2005
Automated Determination of Molecular Structures by Precursor Ion Fingerprinting (PIF)
Robert Mistrik¹, Juraj Lutisan¹, Milos Suchy¹ and Ernst Pittenauer^2
1HighChem, Bratislava, Slovakia;  ²Vienna University of Technology, Vienna, Austria

Oral Presentation - 21^st LC/MS Montreux Symposium, Switzerland
November 10-12, 2004
Harnessing the Complexity of LC-MSn Data
Robert Mistrik, HighChem, Slovakia

Poster Presentation - 7^th Annual Symposium on Chemical and Pharmaceutical Structure Analysis, Princeton, NJ, USA
October 19 - 21, 2004
Mappa Humanus: Mapping and Spectral Characterization of the Human Metabolome
Robert Mistrik¹, Juraj Lutisan¹, Milos Suchy¹, Ernst Pittenauer² and Guenter Allmaier^2
1HighChem, Bratislava, Slovakia;  ²Vienna University of Technology, Vienna, Austria

Oral Presentation - 20^th Asilomar Conference on Mass Spectrometry, Pacific Grove, CA
October 15 – 18, 2004
Mapping Human Metabolome: Is this a software problem?
Robert Mistrik, HighChem, Slovakia

Poster Presentation - 52^nd ASMS Conference, Nashville, TN, USA
May 26, 2004
Comprehensive Database of Mechanisms of Peptide Fragmentation - A Key Step towards Confident Identification of Proteins
Robert Mistrik, HighChem, Slovakia.

Poster Presentation - 52^nd ASMS Conference, Nashville, TN, USA
May 26, 2004
Evaluation of ESI-MSⁿ Ion Trap and MALDI-MSⁿ Ion Trap/Reflectron TOF Mass Spectra (n=1-3) for Incorporation into a Searchable Database
Ernst Pittenauer¹; Martin Zehl¹; Robert Mistrik² and Günter Allmaier^1
1Vienna University of Technology, Vienna, Austria;  ²HighChem, Bratislava, Slovakia

Naturwissenschaften
2004 May;91(5):209-14. Epub 2004 Mar 19
A butterfly's chemical key to various ant forts: intersection-odour or aggregate-odour multi-host mimicry?
Birgit C. Schlick-Steiner; Florian M. Steiner; Helmut Höttinger; Alexej Nikiforov; Robert Mistrik; Christa Schafellner; Peter Baier and Erhard Christian

Oral Presentation - 9^th Annual Meeting of European Network of the Official Medicines Control Laboratories (OMCLs), Langen, Germany
May 14, 2004
An ESI-MSⁿ Library for Ion Traps: Comparable to Wiley/NIST/Maurer-Pfleger Library?
Ernst Pittenauer, Günter Allmaier and Robert Mistrik

Oral Presentation - XV. Massenspektrometrischen Diskussionsveranstaltung, Vienna, Austria
February 18, 2004
A new MSⁿ-based concept with software implementation
Robert Mistrik; Alexej Nikiforov; Ernst Pittenauer; Milos Suchy and Juraj Lutisan

Poster Presentation - 16^th IMSC Conference, Edinburgh, UK
September 4, 2003
A New Concept for the Interpretation of Mass Spectra Based on a Combination of a Fragmentation Mechanism Database and a Computer Expert System
Robert Mistrik, HighChem, Ltd.

Journal of Mass Spectrometry
2003; 38: 924–930
Electron ionization mass spectrometric study of monomeric models of O-polysaccharides of Vibrio cholerae O:1, serotypes Ogawa and Inaba
Vladimir Kovacik; Vladimir Patoprsty; Pentti Oksman; Robert Mistrik and Pavol Kovac

Mass Spectral Database Initiative Meeting - ASMS 2003 Montreal, Canada
June 10, 2003
Power Point Presentation
Speach of Robert Mistrik, HighChem, Ltd.

Poster Presentation - 51^nd ASMS Conference, Montreal, Canada
June 11, 2003
A New MSⁿ Database Concept With Sample Library
Robert Mistrik; Alexej Nikiforov; Ernst Pittenauer; Milos Suchy and Juraj Lutisan

Oral Presentation - XIV. Massenspektrometrischen Diskussionsveranstaltung, Vienna, Austria
February 19, 2003
Data Mining in der Massenspektrometrie: Target Analyse in LC/MS/MS-Datensätzen unter Verwendung von MS/MS-Datensätzen und SOM
Alexej Nikiforov, Klaus Kaiser, Winfried Wagner-Redeker and Robert Mistrik

Journal of Chemical Ecology
28 (12): 2569-2584, December 2002
Cuticular Hydrocarbons of Tetramorium Ants from Central Europe: Analysis of GC-MS Data with Self-Organizing Maps (SOM) and Implications for Systematics
Florian M. Steiner ; Birgit C. Schlick-Steiner; Alexej Nikiforov; Roland Kalb and Robert Mistrik

Oral Presentation - IX. Konferencia Súčasný Stav a Perspektívy Analytickej Chémie v Praxi, Bratislava, Slovakia
September 4, 2002
Moderné Trendy v Interpretacii Hmotnostných Spektier
Robert Mistrik, HighChem, Slovakia

Poster Presentation - 50^th ASMS Conference, Orlando, FL, USA
June 3, 2002
Data mining in mass spectrometry using higher dimensions of Self-Organising Maps (SOM 40x40 to 200x200) for identification of unknowns with NIST library
Alexej Nikiforov; Julia E. Wingate and Robert Mistrik

Poster Presentation - 50^th ASMS Conference, Orlando, FL, USA
June 3, 2002
The Use of Mass Frontier Software in the Elucidation of Electrospray Tandem Mass Spectrometry Fragmentation of [M+Na]+ Ions of Oligomeric Lipopolysaccharide Models
Vladimir Kovacik; Vladimir Patoprsty; Jozef Caslavsky; Jozef Chmelik; Robert Mistrik and Pavol Kovac

Poster Presentation - The Pittsbutgh Conference on Analytical Chamistry and Applied Spectroscopy, New Orleans, LA, USA
March 20, 2002
Profiling of GC and GC-MS Data Sets by PCA and Self-Organizing Maps (SOM) for Correlations of Multiple Data Attributes
Alexej Nikiforov; Barbara Remberg and Robert Mistrik

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