PUB - Publikationen an der Universität Bielefeld

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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. doi:10.1255/ejms.1239

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• [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. doi:10.1016/j.ijms.2012.11.005

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• [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. doi:10.3762/bjoc.8.62

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• [28]
  

  2012 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2474444

  Fraschetti, C., Letzel, M., Paletta, M., Mattay, J., Speranza, M., Filippi, A., Aschi, M., et al. (2012). Cyclochiral resorcin[4]arenes as effective enantioselectors in the gas phase. Journal of Mass Spectrometry, 47(1), 72-78. doi:10.1002/jms.2028

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• [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., et al. (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. doi:10.1016/j.ijms.2012.01.005

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• [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. https://doi.org/10.1039/c0ob00664e

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• [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. https://doi.org/10.1002/ejoc.201000053

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• [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. https://doi.org/10.1021/jp904374h

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• [23]
  

  2009 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1634276

  Botta, B., Fraschetti, C., Novara, F. R., Tafi, A., Sacco, F., Mannina, L., Sobolev, A. P., et al. (2009). Interactions of vinca alkaloid subunits with chiral amido[4]resorcinarenes: a dynamic, kinetic, and spectroscopic study. Organic & Biomolecular Chemistry, 7(9), 1798-1806. https://doi.org/10.1039/b900735k

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• [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. https://doi.org/10.1255/ejms.953

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• [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. https://doi.org/10.1002/jms.1464

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• [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. https://doi.org/10.1039/b801970c

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• [18]
  

  2008 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1586095

  Schröder, T., Brodbeck, R., Letzel, M., Mix, A., Schnatwinkel, B., Tonigold, M., Volkmer, D., et al. (2008). A self-assembling metallosupramolecular cage based on cavitand-terpyridine subunits. TETRAHEDRON LETTERS, 49(41), 5939-5942. https://doi.org/10.1016/j.tetlet.2008.07.143

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• [17]
  

  2007 | Report | Veröffentlicht | PUB-ID: 2308810

  Böcker, S., Letzel, M., Lipták, Z., & Pervukhin, A. (2007). Identifying metabolites with integer decomposition techniques, using only their mass spectrometric isotope patterns (Forschungsberichte der Technischen Fakultät, Abteilung Informationstechnik / Universität Bielefeld). Bielefeld: Technical Faculty, Bielefeld University.

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• [16]
  

  2007 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1630972

  Botta, B., D'Acquarica, F., Nevola, L., Sacco, F., Lopez, Z. V., Zappia, G., Fraschetti, C., et al. (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. https://doi.org/10.1002/ejoc.200700829

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• [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. https://doi.org/10.1039/B514312H

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• [14]
  

  2006 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1596667

  Schäfer, C., Decker, B., Letzel, M., Novara, F., Eckel, R., Ros, R., Anselmetti, D., et al. (2006). On the way to supramolecular photochemistry at the single-molecule level. Pure and Applied Chemistry, 78(12), 2247-2259. https://doi.org/10.1351/pac200678122247

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• [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. https://doi.org/10.1002/chem.200501520

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• [12]
  

  2006 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1599422

  Svelle, S., Bjorgen, M. A., Kolboe, S., Kuck, D., Letzel, M., Olsbye, U., Sekiguchi, O., et al. (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. https://doi.org/10.1007/s10562-006-0052-8

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• [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. https://doi.org/10.1016/j.ijms.2005.12.041

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• [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. https://doi.org/10.1021/ma050343n

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• [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. https://doi.org/10.1016/j.theochem.2005.06.041

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• [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. https://doi.org/10.1255/ejms.675

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• [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. https://doi.org/10.1021/ja049128x

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• [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. https://doi.org/10.1016/j.febslet.2004.10.003

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• [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., et al. (2003). beta-Galactofuranose-containing O-linked oligosaccharides present in the cell wall peptidogalactomannan of Aspergillus fumigatus contain immunodominant epitopes. GLYCOBIOLOGY, 13(10), 681-692. https://doi.org/10.1093/glycob/cwg089

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• [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. https://doi.org/10.1016/S1387-3806(02)00571-7

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• [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. https://doi.org/10.1002/jms.247

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• [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. https://doi.org/10.1039/b110917k

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• [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. https://doi.org/10.1255/ejms.386

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