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Publications Dr. Lappan

  • Moreno, S.; Alex, S.; Lopez Fernandez, L.; Lappan, U.; Boye, S.; Voit, B.; Appelhans, D. Peroxidase-mimicking activity of nanozymes-loaded polymeric artificial organelles potentially active in acidic environment more Journal of Polymer Science 61 (2023) 1859-1869
  • Lappan, U. ; Naas, C. ; Scheler, U. Local chain dynamics in polyelectrolyte multilayers of chitosan and spin-labeled poly(ethylene-alt-maleic acid) more Macromolecular Chemistry and Physics 224 (2023) 2300017
  • Borchert, K. ; Steinbach, C. ; Reis, B. ; Lappan, U. ; Gerlach, N. ; Mayer, M. ; Schwarz, S. ; Schwarz, D. Adsorption vs. surface precipitation of Cu2+ onto porous Poly(melamine-co-formaldehyde) particles more Microporous and Mesoporous Materials 348 (2023) 112383
  • Borrmann, F. ; Tsuda, T. ; Guskova, O. ; Kiriy, N. ; Hoffmann, C. ; Neusser, D. ; Ludwigs, S. ; Lappan, U. ; Simon, F. ; Geisler, M. ; Debnath, B. ; Krupskaya, Y. ; Al-Hussein, M. ; Kiriy, A. Charge-compensated n-doped p-conjugated polymers: toward both thermodynamic stability of n-doped states in water and high electron conductivity more Advanced Science 9 (2022) 2203530
  • Naas, C. ; Scheler, U. ; Lappan, U. EPR spectroscopy as an efficient tool for investigations of polyelectrolyte multilayer growth and local chain dynamics more Journal of Physical Chemistry B 125 (2021) 6004-6011
  • Lappan, U. ; Naas, C. ; Scheler, U. Influence of the mixing ratio on the dynamics of polymer segments in polyelectrolyte complexes more Macromolecular Chemistry and Physics 222 (2021) 2000445
  • Naas, C. ; Scheler, U. ; Lappan, U. Influence of pH on the growth and the local dynamics of polyelectrolyte multilayers more Macromolecules 54 (2021) 1043-1051
  • Lappan, U. ; Scheler, U. Polyanion substitution in polyelectrolyte complex dispersions studied by spin-label EPR spectroscopy more Macromolecules 52 (2019) 7218-7223
  • Lappan, U. ; Rau, C. ; Naas, C. ; Scheler, U. Odd-even effect on rotational dynamics of spin-labeled polyacid chain segments in polyelectrolyte multilayers more Macromolecules 52 (2019) 2384-2392
  • Wang, S. ; Sun, H. ; Erdmann, T. ; Wang, G. ; Fazzi, D. ; Lappan, U. ; Chen, Z. ; Berggren, M. ; Crispin, X. ; Kiriy, A. ; Voit, B. ; Marks, T. J. ; Fabiano, S. ; Facchetti, A. A chemically doped naphthalenediimide-bithiazole polymer for n-type organic thermoelectrics more Advanced Materials 30 (2018) ID1801898
  • Lappan, U. ; Scheler, U. Influence of the nature of the ion pairs on the segmental dynamics in polyelectrolyte complex coacervates more Macromolecules 50 (2017) 8631-8636
  • Karpov, Y. ; Erdmann, T. ; Stamm, M. ; Lappan, U. ; Guskova, O. ; Malanin, M. ; Raguzin, I. ; Beryozkina, T. ; Tetyana, B. ; Bakulev, V. ; Günther, F. ; Gemming, S. ; Seifert, G. ; Hambsch, M. ; Mannsfeld, S. ; Voit, B. Molecular doping of a high mobility diketopyrrolopyrrole-dithienylthieno[3,2-b]thiophene donor-acceptor copolymer with F6TCNNQ more Macromolecules 50 (2017) 914-926
  • Lappan, U. ; Wiesner, B. ; Scheler, U. Segmental dynamics of poly(acrylic acid) in polyelectrolyte complex coacervates studied by spin-label EPR spectroscopy more Macromolecules 49 (2016) 8616-8621
  • Karpov, Y. ; Tkachov, R. ; Maiti, J. ; Beryozkina, T. ; Bakulev, V. ; Liu, W. ; Komber, H. ; Lappan, U. ; Al-Hussein, M. ; Stamm, M. ; Voit, B. ; Kiriy, A. Copolymerization of zinc-activated isoindigo- and naphthalene-diimide based monomers: an efficient route to low bandgap p-conjugated random copolymers with tunable properties more Polymer Chemistry 7 (2016) 2691-2697
  • Lappan, U. ; Wiesner, B. ; Scheler, U. Rotational dynamics of spin-Labeled polyacid chain segments in polyelectrolyte complexes studied by CW EPR spectroscopy more Macromolecules 48 (2015) 3577-3581
  • Lappan, U. ; Wiesner, B. ; Scheler, U. Complex coacervation of polyelectrolytes studied by spin-label EPR spectroscopy more Macromolecular Chemistry and Physics 215 (2014) 1030-1035
  • Bräuer, M. ; Edelmann, M. ; Kühnert, I. ; Lappan, U. ; Lehmann, D. ; Schneider, K. ; Tuschla, M. Spritzgießen von Mehrkomponentenverbunden : Neue Verbunde mit dem Hochleistungskunststoff PPS more Kautschuk Gummi Kunststoffe 67 (2014) 22-32
  • Lappan, U. ; Wiesner, B. ; Zschoche, St. ; Scheler, U. Polyelectrolyte multilayers studied by electron paramagnetic resonance (EPR) spin-label technique more Applied Magnetic Resonance 44 (2013) 181-188
  • Lappan, U. ; Geißler, U. ; Oelmann, M. ; Schwarz, S. Apparent dissociation constants of polycarboxylic acids in presence of polycations more Colloid and Polymer Science 290 (2012) 1665-1670
  • Lappan, U. ; Geißler, U. ; Gohs, U. Radiation-induced graft copolymerization of styrene into tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride (THV) terpolymer films more Macromolecular Materials and Engineering 296 (2011) 843-849
  • Geißler, U. ; Lappan, U. Partikelgrößenverteilung und Carboxygruppengehalt von bestrahlten Polytetrafluorethylen (PTFE)-Mikropulvern more GAK : Gummi Fasern Kunststoffe 64 (2011) 351-353
  • Lappan, U. ; Uhlmann, St. Intermolecular crosslinking of poly(acrylic acid) in aqueous solution by electron beam irradiation more Journal of Applied Polymer Science 119 (2011) 3113-3116
  • Lappan, U. ; Geißler, U. ; Gohs, U. ; Uhlmann, St. Grafting of styrene into pre-irradiated fluoropolymer films: Influence of base material and irradiation temperature more Radiation Physics and Chemistry 79 (2010) 1067-1072
  • Lappan, U. ; Geißler, U. ; Gohs, U. ; Uhlmann, St. Influence of irradiation temperature on grafting of styrene into poly(tetrafluoroethylene-co-hexafluoropropylene) films more Macromolecular Materials and Engineering 294 (2009) 510-515
  • Lappan, U. ; Geißler, U. PTFE micropowder functionalized with carboxylic acid groups more Macromolecular Materials and Engineering 293 (2008) 538-542