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. IM Publications. 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. Elsevier BV. 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. Beilstein Institut. 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. & Rozhenko, A.B. (2012). Cyclochiral resorcin[4]arenes as effective enantioselectors in the gas phase. Journal of Mass Spectrometry, 47(1), 72-78. Wiley-Blackwell. 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., 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. Elsevier BV. 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. Royal Society of Chemistry (RSC). doi: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. Wiley-Blackwell. doi: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. American Chemical Society (ACS). doi: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., 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. Royal Society of Chemistry (RSC). doi: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. IM Publications. doi: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. Wiley. doi: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. NATURAL PRODUCTS INC.

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• [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. ROYAL SOC CHEMISTRY. doi: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. & Mattay, J. (2008). A self-assembling metallosupramolecular cage based on cavitand-terpyridine subunits. TETRAHEDRON LETTERS, 49(41), 5939-5942. PERGAMON-ELSEVIER SCIENCE LTD. doi: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., 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. WILEY-V C H VERLAG. doi:10.1002/ejoc.200700829.

  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. ROYAL SOC CHEMISTRY. doi: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. & Mattay, J. (2006). On the way to supramolecular photochemistry at the single-molecule level. Pure and Applied Chemistry, 78(12), 2247-2259. INT UNION PURE APPLIED CHEMISTRY. doi: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. WILEY-V C H VERLAG. doi: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. & 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. SPRINGER. doi: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. ELSEVIER SCIENCE BV. doi: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. AMER CHEMICAL SOC. doi: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. ELSEVIER SCIENCE BV. doi: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. IM PUBLICATIONS. doi: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. AMER CHEMICAL SOC. doi: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. Wiley. doi: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. & 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. OXFORD UNIV PRESS INC. doi: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. ELSEVIER SCIENCE BV. doi: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. JOHN WILEY & SONS LTD. doi: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. ROYAL SOC CHEMISTRY. doi: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. IM PUBLICATIONS. doi:10.1255/ejms.386.

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