Publications of Robert Graf

Journal Article (155)

Journal Article
Cho, T. Y.; Shin, E. J.; Jeong, W.; Heck, B.; Graf, R.; Strobl, G.; Spiess, H. W.; Yoon, D. Y.: Effects of comonomers on lamellar and noncrystalline microstructure of ethylene copolymers. Macromolecular Rapid Communications 27 (5), pp. 322 - 327 (2006)
Journal Article
Mondeshki, M.; Mihov, G.; Graf, R.; Spiess, H. W.; Müllen, K.; Papadopoulos, P.; Gitsas, A.; Floudas, G.: Self-assembly and molecular dynamics of peptide-functionalized polyphenylene dendrimers. Macromolecules 39 (26), pp. 9605 - 9613 (2006)
Journal Article
Somma, E.; Chi, C.; Loppinet, B.; Grinshtein, J.; Graf, R.; Fytas, G.; Spiess, H. W.; Wegner, G.: Orientation dynamics in isotropic phases of model oligofluorenes: Glass or liquid crystal. The Journal of Chemical Physics 124 (20), 204910 (2006)
Journal Article
Albunia, A. R.; Graf, R.; Guerra, G.; Spiess, H. W.: H-2 NMR study of aromatic guest dynamics in clathrate phases of syndiotactic polystyrene. Macromolecular Chemistry and Physics 206 (7), pp. 715 - 724 (2005)
Journal Article
Gaborieau, M.; Graf, R.; Spiess, H. W.: Versatility of the dipolar filter selection: From H-1 nuclear spin diffusion experiment to the measurement of nuclear Overhauser effect in homopolymer melts. Solid State Nuclear Magnetic Resonance 28 (2-4), pp. 160 - 172 (2005)
Journal Article
Rastogi, S.; Lippits, D. R.; Peters, G. W. M.; Graf, R.; Yao, Y. F.; Spiess, H. W.: Heterogeneity in polymer melts from melting of polymer crystals. Nature Materials 4 (8), pp. 635 - 641 (2005)
Journal Article
Wind, M.; Brombacher, L.; Heuer, A.; Graf, R.; Spiess, H. W.: C-13 solid state NMR investigation of structural relaxation of the polymer backbone in poly (ethylmethacrylate). Solid State Nuclear Magnetic Resonance 27 (1-2), pp. 132 - 139 (2005)
Journal Article
Wind, M.; Graf, R.; Renker, S.; Spiess, H. W.: Structural reasons for restricted backbone motion in poly(n-alkyl methacrylates): Degree of polymerization, tacticity and side-chain length. Macromolecular Chemistry and Physics 206 (1), pp. 142 - 156 (2005)
Journal Article
Wind, M.; Graf, R.; Renker, S.; Spiess, H. W.; Steffen, W.: Structure of amorphous poly-(ethylmethacrylate): A wide-angle x-ray scattering study. The Journal of Chemical Physics 122 (1), 014906 (2005)
Journal Article
Pollard, M.; Klimke, K.; Graf, R.; Spiess, H. W.; Wilhelm, M.; Sperber, O.; Piel, C.; Kaminsky, W.: Observation of chain branching in polyethylene in the solid state and melt via 13C NMR spectroscopy and melt NMR relaxation time measurements. Macromolecules 37 (3), pp. 813 - 825 (2004)
Journal Article
Hedin, N.; Graf, R.; Christiansen, S. C.; Gervais, C.; Hayward, R. C.; Eckert, J.; Chmelka, B. F.: Structure of a surfactant-templated silicate framework in the absence of 3D crystallinity. Journal of the American Chemical Society 126 (30), pp. 9425 - 9432 (2004)
Journal Article
Schiffer, I. B.; Schreiber, W. G.; Graf, R.; Schreiber, E. M.; Jung, D.; Rose, D. M.; Hehn, M.; Gebhard, S.; Sagemüller, J.; Spiess, H. W. et al.; Oesch, F.; Thelen, M.; Hengstler, J. G.: No influence of magnetic fields on cell cycle progression using conditions relevant for patients during MRI. Bioelectromagnetics 24 (4), pp. 241 - 250 (2003)
Journal Article
Pawsey, S.; McCormick, M.; De Paul, S.; Graf, R.; Lee, Y. S.; Reven, L.; Spiess, H. W.: 1H fast MAS NMR studies of hydrogen-bonding interactions in self-assembled monolayers. Journal of the American Chemical Society 125 (14), pp. 4174 - 4184 (2003)
Journal Article
McCormick, M.; Smith, R. N.; Graf, R.; Barrett, C. J.; Reven, L.; Spiess, H. W.: NMR Studies of the Effect of Adsorbed Water on Polyelectrolyte Multilayer Films in the Solid State. Macromolecules 36 (10), pp. 3616 - 3625 (2003)
Journal Article
McCormick, M.; Smith, R. N.; Graf, R.; Barrett, C. J.; Reven, L.; Spiess, H. W.: Fast-MAS NMR studies of polyelectrolyte multilayer films. Abstracts of Papers of the American Chemical Society 225, 555-POLY (2003)
Journal Article
Wilhelm, M.; Pollard, M. A.; Graf, R.; Klimke, K.; Spiess, H. W.; Sperber, O.; Piel, C.; Kaminsky, W.: Topology in polyolefines as seen by solid-state NMR and FT-Rheology. Abstracts of Papers of the American Chemical Society 226, 221-POLY (2003)
Journal Article
Wind, M.; Graf, R.; Heuer, A.; Spiess, H. W.: Structural Relaxation of Polymers at the Glass Transition: Conformational Memory in Poly(n-alkylmethacrylates). Physical Review Letters 91 (15), 155702 (2003)
Journal Article
Stumber, M.; Geyer, M.; Graf, R.; Kalbitzer, H. R.; Scheffzek, K.; Haeberlen, U.: Observation of slow dynamic exchange processes in Ras protein crystals by P-31 solid state NMR spectroscopy. Journal of Molecular Biology (London) 323 (5), pp. 899 - 907 (2002)
Journal Article
Mierzwa, M.; Floudas, G.; Neidhöfer, M.; Graf, R.; Spiess, H. W.; Meyer, W. H.; Wegner, G.: Constrained dynamics in supramolecular structures of poly(p- phenylenes) with ethylene oxide side chains: A combined dielectric and nuclear magnetic resonance investigation. The Journal of Chemical Physics 117 (13), pp. 6289 - 6299 (2002)
Journal Article
Dollase, T.; Graf, R.; Heuer, A.; Spiess, H. W.: Local Order and Chain Dynamics in Molten Polymer-Blocks Revealed by Proton Double-Quantum NMR. Macromolecules 34, pp. 298 - 309 (2001)
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