31 Publikationen

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  • [31]
    2014 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2677434
    Kuck, D.; Salameh, L. C.; Onwuka, K. I.; Letzel, M. (2014): Unidirectional triple hydrogen rearrangement in the radical cations of electron-rich 3-aryl-1-propanols: further evidence and limitation European Journal of Mass Spectrometry,20:(1): 51-61.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [30]
    2013 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2578727
    Letzel, M.; Barth, D.; Kuck, D.; Grützmacher, H. - F.; Kim, S. Y.; Yim, M. K.; Choe, J. C. (2013): Unimolecular reactions of gaseous picoline radical cations. A new experimental and computational study International Journal Of Mass Spectrometry,336: 1-16.
    PUB | DOI | WoS
     
  • [29]
    2012 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2501810
    Fraschetti, C.; Letzel, M.; Filippi, A.; Speranza, M.; Mattay, J. (2012): Enantioselective supramolecular devices in the gas phase. Resorcin[4] arene as a model system Beilstein Journal of Organic Chemistry,8: 539-550.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [28]
    2012 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2474444
    Fraschetti, C.; Letzel, M.; Paletta, M.; Mattay, J.; Speranza, M.; Filippi, A.; Aschi, M.; Rozhenko, A. B. (2012): Cyclochiral resorcin[4]arenes as effective enantioselectors in the gas phase Journal of Mass Spectrometry,47:(1): 72-78.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [27]
    2012 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2453619
    Amick, A. W.; Hoegg, E.; Harrison, S.; Houston, K. R.; Hark, R. R.; Reingold, I. D.; Barth, D.; Letzel, M.; Kuck, D. (2012): Site-specific Hydrogen Exchange and Hydrogen Transfer Processes Preceding the Fragmentation of Long-lived Radical Cations of Ethyl Dihydrocinnamate and Related Arylalkanoates International Journal of Mass Spectrometry,316-318: 206-215.
    PUB | DOI | WoS
     
  • [26]
    2011 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2094264
    Botta, B.; Fraschetti, C.; D'Acquarica, I.; Sacco, F.; Mattay, J.; Letzel, M.; Speranza, M. (2011): Unprecedented gas-phase chiroselective logic gates Organic & Biomolecular Chemistry,9:(6): 1717-1719.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [25]
    2010 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1795835
    Krohn, K.; Ahmed, I.; John, M.; Letzel, M.; Kuck, D. (2010): Stereoselective Synthesis of Benzylated Prodelphinidins and Their Diastereomers with Use of the Mitsunobu Reaction in the Preparation of Their Gallocatechin Precursors EUROPEAN JOURNAL OF ORGANIC CHEMISTRY,2010:(13): 2544-2554.
    PUB | DOI | WoS
     
  • [24]
    2009 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1589018
    Botta, B.; Fraschetti, C.; D'Acquarica, I.; Speranza, M.; Novara, F. R.; Mattay, J.; Letzel, M. (2009): Gas-Phase Enantioselectivity of Chiral N-Linked Peptidoresorc[4]arene Isomers toward Dipeptides Journal of Physical Chemistry A,113:(52): 14625-14629.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [23]
    2009 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1634276
    Botta, B.; Fraschetti, C.; Novara, F. R.; Tafi, A.; Sacco, F.; Mannina, L.; Sobolev, A. P.; Mattay, J.; Letzel, M.; Speranza, M. (2009): Interactions of vinca alkaloid subunits with chiral amido[4]resorcinarenes: a dynamic, kinetic, and spectroscopic study Organic & Biomolecular Chemistry,7:(9): 1798-1806.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [22]
    2009 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1634738
    Sekiguchi, O.; Meyer, V.; Letzel, M.; Kuck, D.; Uggerud, E. (2009): Energetics and reaction mechanisms for the competitive losses of H-2, CH4 and C2H4 from protonated methylbenzenes-implications to the methanol-to-hydrocarbons (MTH) process EUROPEAN JOURNAL OF MASS SPECTROMETRY,15:(5): 167-181.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [21]
    2008 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1636725
    Letzel, M.; Schäfer, C.; Novara, F. R.; Speranza, M.; Rozhenko, A. B.; Schoeller, W.; Mattay, J. (2008): A kinetic study of guest displacement reactions on a host-guest complex with a photoswitchable calixarene Journal of Mass Spectrometry,43:(11): 1553-1564.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [20]
    2008 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1592768
    Igoli, J. O.; Onyiriuka, S. O.; Letzel, M.; Nwaji, M. N.; Gray, A. I. (2008): Cassane diterpenoids from Lonchocarpus laxiflorus NATURAL PRODUCT COMMUNICATIONS,3:(1): 5-10.
    PUB | WoS
     
  • [19]
    2008 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1587398
    Letzel, M.; Grützmacher, H. - F.; Stein, D.; Grützmacher, H. (2008): Trends in the reactions of gaseous phenyl pnictogen radical cations C6H5EH2 center dot+ (E=N, P, As) DALTON TRANSACTIONS,(25): 3282-3291.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [18]
    2008 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1586095
    Schröder, T.; Brodbeck, R.; Letzel, M.; Mix, A.; Schnatwinkel, B.; Tonigold, M.; Volkmer, D.; Mattay, J. (2008): A self-assembling metallosupramolecular cage based on cavitand-terpyridine subunits TETRAHEDRON LETTERS,49:(41): 5939-5942.
    PUB | DOI | WoS
     
  • [17]
    2007 | Report | Veröffentlicht | PUB-ID: 2308810 OA
    Böcker, S.; Letzel, M.; Lipták, Z.; Pervukhin, A. (2007): Identifying metabolites with integer decomposition techniques, using only their mass spectrometric isotope patterns. Bielefeld: Technical Faculty, Bielefeld University.
    PUB | PDF
     
  • [16]
    2007 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1630972
    Botta, B.; D'Acquarica, F.; Nevola, L.; Sacco, F.; Lopez, Z. V.; Zappia, G.; Fraschetti, C.; Speranza, M.; Tafi, A.; Caporuscio, F.; Letzel, M.; Mattay, J. (2007): Bis(diamido)-bridged basket resorcin[4]arenes as enantioselective receptors for amino acids and amines European Journal of Organic Chemistry,2007:(36): 5995-6002.
    PUB | DOI | WoS
     
  • [15]
    2006 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1599664
    Letzel, M.; Kirchhoff, D.; Grützmacher, H. - F.; Stein, D.; Grützmacher, H. (2006): Isomerization and fragmentation reactions of gaseous phenylarsane radical cations and phenylarsanyl cations. A study by tandem mass spectrometry and theoretical calculations DALTON TRANSACTIONS,(16): 2008-2016.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [14]
    2006 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1596667
    Schäfer, C.; Decker, B.; Letzel, M.; Novara, F.; Eckel, R.; Ros, R.; Anselmetti, D.; Mattay, J. (2006): On the way to supramolecular photochemistry at the single-molecule level Pure and Applied Chemistry,78:(12): 2247-2259.
    PUB | DOI | WoS
     
  • [13]
    2006 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1596638
    Rozhenko, A. B.; Schoeller, W.; Letzel, M.; Decker, B.; Agena, C.; Mattay, J. (2006): Calixarenes as hosts for ammonium cations: A quantum chemical study and mass-spectrometric investigations Chemistry. A European Journal,12:(35): 8995-9000.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [12]
    2006 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1599422
    Svelle, S.; Bjorgen, M. A.; Kolboe, S.; Kuck, D.; Letzel, M.; Olsbye, U.; Sekiguchi, O.; Uggerud, E. (2006): Intermediates in the methanol-to-hydrocarbons (MTH) reaction: a gas phase study of the unimolecular reactivity of multiply methylated benzenium cations CATALYSIS LETTERS,109:(1-2): 25-35.
    PUB | DOI | WoS
     
  • [11]
    2006 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1598054
    Sekiguchi, O.; Letzel, M.; Kuck, D.; Uggerud, E. (2006): The unimolecular dissociation of protonated glyoxylic acid: Structure and dynamics of a step-by-step process INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,255-256: 177-184.
    PUB | DOI | WoS
     
  • [10]
    2005 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1602825
    Schulte, T.; Siegenthaler, K. O.; Luftmann, H.; Letzel, M.; Studer, A. (2005): Nitroxide-mediated polymerization of N-isopropylacrylamide: Electrospray ionization mass spectrometry, matrix-assisted laser desorption ionization mass spectrometry, and multiple-angle laser light scattering studies on nitroxide-terminated poly-N-isopropylacrylamides MACROMOLECULES,38:(16): 6833-6840.
    PUB | DOI | WoS
     
  • [9]
    2005 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1601523
    Rozhenko, A. B.; Schoeller, W.; Letzel, M.; Decker, B.; Agena, C.; Mattay, J. (2005): Conformational features of calix[4]arenes with alkali metal cations: A quantum chemical investigation with density functional theory Journal of Molecular Structure: THEOCHEM,732:(1-3): 7-20.
    PUB | DOI | WoS
     
  • [8]
    2004 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1605690
    Mehdizadeh, A.; Letzel, M.; Klaes, M.; Agena, C.; Mattay, J. (2004): Chiral discrimination on the host-guest complexation of resorc[4]arenes with quarternary amines EUROPEAN JOURNAL OF MASS SPECTROMETRY,10:(1): 649-655.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [7]
    2004 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1607044
    Letzel, M.; Decker, B.; Rozhenko, A. B.; Schoeller, W.; Mattay, J. (2004): Encapsulated guest molecules in the dimer of octahydroxypyridine[4]arene JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,126:(31): 9669-9674.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [6]
    2004 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1953787
    Oley, M.; Letzel, M.; Ragg, H. (2004): Inhibition of furin by serpin Spn4A from Drosophila melanogaster FEBS Letters,577:(1-2): 165-169.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [5]
    2003 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1610139
    Leitao, E. A.; Bittencourt, V. C. B.; Haido, R. M. T.; Valente, A. P.; Peter-Katalinic, J.; Letzel, M.; de Souza, L. M.; Barreto-Bergter, E. (2003): beta-Galactofuranose-containing O-linked oligosaccharides present in the cell wall peptidogalactomannan of Aspergillus fumigatus contain immunodominant epitopes GLYCOBIOLOGY,13:(10): 681-692.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [4]
    2002 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1614222
    Letzel, M.; Grützmacher, H. - F.; Furst, T.; Mayer, K. K.; Wiegrebe, W. (2002): Functional group migration in benzaldoxime-O-n-propyl ether radical cation INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,217:(1-3): 153-168.
    PUB | DOI | WoS
     
  • [3]
    2002 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1615393
    Letzel, M.; Agena, C.; Mattay, J. (2002): Investigation of homo- and heterodimer alkali metal cation complexes of resorc[4]arenes by electrospray ionization mass spectrometry JOURNAL OF MASS SPECTROMETRY,37:(1): 63-68.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [2]
    2002 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1615079
    Müller, A.; Diemann, E.; Shah, S. Q. N.; Kuhlmann, C.; Letzel, M. (2002): Soccer-playing metal oxide giant spheres: a first step towards patterning structurally well defined nano-object collectives CHEMICAL COMMUNICATIONS,(5): 440-441.
    PUB | DOI | WoS | PubMed | Europe PMC
     
  • [1]
    2001 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1616873
    Letzel, M.; Agena, C.; Mattay, J. (2001): Calibration of electrospray mass spectrometers with rccc-2,8,14,20-tetra-n-octyl-5,11,17,23-tetrahydroxyresorc[4]arene in the high mass range up to m/z 6000 EUROPEAN JOURNAL OF MASS SPECTROMETRY,7:(1): 35-38.
    PUB | DOI | WoS
     

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