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Soft Matter and Biological Physics at Surfaces

Department of Physics, University of Guelph

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Recent Publications From the Dutcher Lab

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The copyright of the publications is held by the individual publishers. The PDF files provided here are for personal use only. They may not be reposted on any other web site or used for any other purpose without the express permission of the appropriate publisher.

A. K. Zetzl, A. Gravelle, M. Kurylowicz, J.R. Dutcher, S. Barbut and A.G. Marangoni. Microstructure of ethylcellulose oleogels and its relationship to mechanical properties, Food Structure (2014) DOI: 10.1016/j.foostr.2014.07.002.
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A. Raegen, K. Reiter, A. Dion, A.J. Clarke, J. Lipkowski and J.R. Dutcher. Advances in surface plasmon resonance imaging enable quantitative tracking of nanoscale changes in thickness and roughness, Anal. Chem. (2014) DOI: 10.1021/ac4034664.
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M. Kurylowicz, H. Paulin, J. Mogyoros, M. Giuliani and J.R. Dutcher. The Effect of Nanoscale Surface Curvature on the Oligomerization of Surface-Bound Proteins, J. R. Soc. Interface 11, 20130818 (2014).
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S. Lu, G. Walters, R. Parg and J.R. Dutcher. Nanomechanical Response of Bacterial Cells to Cationic Antimicrobial Peptides, Soft Matter 10, 1806-1815 (2014).
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J. Wang, A. Quirk, J. Lipkowski, J.R. Dutcher and A.J. Clarke. Direct in Situ Observation of Synergism between Cellulolytic Enzymes during the Biodegradation of Crystalline Cellulose Fibers, Langmuir 29, 14997-15005 (2013).
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R.F. Moscaritolo, M. Kinley, A. Raegen, M. Giuliani, R. White, C. Kelly, L.L. Burrows and J.R. Dutcher. Quantifying the Dynamics of Bacterial Crowd Surfing, Physics in Canada, 69, 137-139 (2013).
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J.J. Leitch, C. Brosseau, S. Roscoe, K. Bessonov, J.R. Dutcher and J. Lipkowski. Electrochemical and PM-IRRAS Characterization of Cholera Toxin Binding at a Model Biological Membrane, Langmuir 29, 965-976 (2013).
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L.N. Rahman, F. McKay, M. Giuliani, A. Quirk, B.A. Moffatt, G. Harauz and J.R. Dutcher. Interactions of Thellungiella salsuginea dehydrins TsDHN-1 and TsDHN-2 with membranes at cold and ambient temperatures - Surface morphology and single-molecule force measurements show phase separation, and reveal tertiary and quaternary associations, BBA - Biomembranes 1828, 967-980 (2013).
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M. Kurylowicz, M. Giuliani and J.R. Dutcher. Using Nanoscale Substrate Curvature to Control the Dimerization of a Surface-Bound Protein, ACS Nano 6, 10571-10580 (2012).
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S.G. Allen, O. Tanchak, A. Quirk, A.N. Raegen, K. Reiter, R. Whitney, A.J. Clarke, J. Lipkowski and J.R. Dutcher. Surface Plasmon Resonance Imaging of the Enzymatic Degradation of Cellulose Microfibrils , Anal. Methods 4, 3238-3245 (2012).
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J. Wang, A. Quirk, J. Lipkowski, J.R. Dutcher, C. Hill, A. Mark and A.J. Clarke. Real-Time Observation of the Swelling and Hydrolysis of a Single Crystalline Cellulose Fiber Catalyzed by Cellulase 7B from Trichoderma reesei, Langmuir 28, 9664-9672 (2012).
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J.J. Leitch, J. Collins, A.K. Friedrich, U. Stimming, J.R. Dutcher and J. Lipkowski. Infrared Studies of the Potential Controlled Adsorption of Sodium Dodecyl Sulfate at the Au(111) Electrode Surface, Langmuir 28, 2455-2464 (2012).
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L.N. Rahman, G.S.T. Smith, V.V. Bamm, J.A.M. Voyer-Grant, B.A. Moffatt, J.R. Dutcher and G. Harauz. Phosphorylation of Thellungiella salsuginea dehydrins TsDHN-1 and TsDHN-2 facilitates cation-induced conformational changes and actin assembly, Biochemistry 50, 9587-9604 (2011).
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A. Touhami, M. Alexander, M. Kurylowicz, C. Gram, M. Corredig and J.R. Dutcher. Probing Protein Conformations at the Oil Droplet-Water Interface Using Single-Molecule Force Spectroscopy, Soft Matter 7, 10274-10284 (2011).
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C. Kelly, M. Giuiliani and J.R. Dutcher. Precise Measurement of Min Protein Oscillations in Bacterial Cells Using TIRF Microscopy, Physics in Canada 67, 185-187 (2011).
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T. Laredo, J.R. Dutcher and J. Lipkowski. Electric field driven changes of a Gramicidin containing lipid bilayer supported on a Au(111) surface, Langmuir 27, 10072-10087 (2011).
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B.C. Bryksa, P. Bhaumik, E. Magracheva, D.C. De Moura, M. Kurylowicz, A. Zdanov, J.R. Dutcher, A. Wlodawer and R.Y. Yada. Structure and mechanism of the saposin-like domain of a plant aspartic proteinase, J. Biol. Chem. 286, 28265-28275 (2011).
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V. Vadillo-Rodriguez and J.R. Dutcher. Viscoelasticity of the Bacterial Cell Envelope, Soft Matter 7, 4101-4110 (2011).
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L.N. Rahman, V.V. Bamm, J.A.M. Voyer, G.S.T. Smith, L. Chen, M.W. Yaish, B.A. Moffatt, J.R. Dutcher and G. Harauz. Zinc induces disorder-to-order transitions in free and membrane-associated Thellungiella salsuginea dehydrins TsDHN-1 and TsDHN-2 - A solution CD and solid-state ATR-FTIR study, Amino Acids 40, 1485-1502 (2011).
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L.N. Rahman, L. Chen, S. Nazim, V.V. Bamm, M.W.F. Yaish, B.A. Moffatt, J.R. Dutcher and G. Harauz. Interactions of intrinsically disordered Thellungiella salsuginea dehydrins TsDHN-1 and TsDHN-2 with membranes - Synergistic effects of lipid composition and temperature on secondary structure, Biochem. Cell Biol. 88, 791-807 (2010).
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A. Quirk, J. Lipkowski, C. Vandenende, D. Cockburn, A. Clarke, J.R. Dutcher and S.G. Roscoe. Direct Visualization of Enzymatic Digestion of a Single fiber of Native Cellulose in Aqueous Environment by Atomic Force Microscopy, Langmuir 26, 5007-5013 (2010).
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Graham S.T. Smith, Lin Chen, Vladimir V. Bamm, John R. Dutcher and George Harauz. The interaction of zinc with membrane-associated 18.5 kDa myelin basic protein (MBP) - an attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopic study, Amino Acids 39, 739-750 (2010).
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J.-B. Fiche, T. Laredo, O. Tanchak, J. Lipkowski, J.R. Dutcher and R.Y. Yada. Influence of an electric field on oriented films of DMPC/gramicidin bilayers: a circular dichroism study, Langmuir 26, 1057-1066 (2010).
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V. Vadillo-Rodriguez and J.R. Dutcher. Dynamic Viscoelastic Behavior of Individual Gram-Negative Bacterial Cells, Soft Matter 5, 5012-5019 (2009).
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P. Lau, T. Lindhout, T.J. Beveridge, J.R. Dutcher and J.S. Lam. Differential lipopolysaccharide core capping leads to quantitative and correlated modifications of mechanical and structural properties in Pseudomonas aeruginosa biofilms, J. Bacteriol. 191, 6618-6631 (2009).
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V. Vadillo-Rodriguez, S. Schooling and J.R. Dutcher. In Situ Characterization of Differences in the Viscoelastic Response of Individual Gram-Negative and Gram-Positive Bacterial Cells, J. Bacteriol. 191, 5518-5525 (2009).
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J. Leitch, J. Kunze, J.D. Goddard, A.L. Schwan, R.J. Faragher, R. Naumann, W. Knoll, J.R. Dutcher and J. Lipkowski. In Situ PM-IRRAS Studies of an Archaea Analogue Thiolipid Assembled on a Au(111) Electrode Surface, Langmuir 25, 10354-10363 (2009).
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S. Sek, T. Laredo, J.R. Dutcher and J. Lipkowski. Molecular resolution imaging of an antibiotic peptide in a lipid matrix, JACS 131, 6439-6444 (2009).
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P. Lau, J.R. Dutcher, T.J. Beveridge and J.S. Lam. Absolute quantitation of bacterial biofilm adhesion and viscoelasticity by microbead force spectroscopy, Biophys. J. 96, 2935-2948 (2009).
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A. Touhami and J.R. Dutcher. pH-Induced Changes in Adsorbed beta-Lactoglobulin Molecules Measured Using Atomic Force Microscopy, Soft Matter 5, 220-227 (2009).
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O. Stukalov, A.A. Korenevsky, T.J. Beveridge and J.R. Dutcher. Use of Atomic Force Microscopy and Transmission Electron Microscopy for Correlative Studies of Bacterial Capsules, Appl. Environ. Microbiol. 74, 5457-5465 (2008).
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V. Vadillo-Rodriguez, T.J. Beveridge and J.R. Dutcher. Surface Viscoelasticity of Individual Gram-Negative Bacterial Cells Studied Using Atomic Force Microscopy, J. Bacteriol., 190, 4225-4232 (2008).
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J.R. Dutcher and M.D. Ediger. Glassy Surfaces Not So Glassy, Science, 319, 577-578 (2008).
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T. Laredo, J. Leitch, M. Chen, I.J. Burgess, J.R. Dutcher and J. Lipkowski. Measurement of the Charge Number Per Adsorbed Molecule and Packing Densities of Self-Assembled Long-Chain Monolayers of Thiols, Langmuir, 23, 6205-6211 (2007).
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C.A. Murray and J.R. Dutcher. Effect of Changes in Relative Humidity and Temperature on Ultrathin Chitosan Films, Biomacromolecules 7, 3460-3465 (2006).
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C.B. Roth, A. Pound, S.W. Kamp, C.A. Murray and J.R. Dutcher. Molecular Weight Dependence of the Glass Transition Temperature of Freely-Standing Poly(Methyl Methacrylate) Films, Eur. Phys. J. E 20, 441-448 (2006).
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J. Kunze, J. Leitch, A.L. Schwann, R.J. Faragher, R. Naumann, S. Schiller, W. Knoll, J.R. Dutcher J. Lipkowski. A New Method to Measure Packing Densities of Self-Assembled Thiolipid Monolayers, Langmuir, 22, 5509 (2006).
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C.B. Roth and J.R. Dutcher. Hole Growth as a Micro-Rheological Probe to Measure the Viscosity of Polymers Confined to Thin Films, special issue on Dynamics of Confined Polymers, J. Polym. Sci.: Polym. Phys. 44, 3011-3021 (2006).
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O. Stukalov, C.A. Murray, A. Jacina and J.R. Dutcher. Relative Humidity Control for Atomic Force Microscopes, Rev. Sci. Instrum. 77, 033704-1 - 033704-6 (2006) (featured in Virtual Journal of Nanoscale Science and Technology, April 2006).
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C.B. Roth, B. Deh, B.G. Nickel and J.R. Dutcher. Evidence for Convective Constraint Release in Hole Growth in Freely-Standing Polystyrene Films, Phys. Rev. E 72, 021802-1 - 021802-12 (2005).
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C.B. Roth and J.R. Dutcher. Hole Growth in Freely-Standing Polystyrene Films Probed using a Differential Pressure Experiment, Phys. Rev. E 72, 021803-1 - 021803-9 (2005).
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J. Bante, C.A. Murray, J.R. Dutcher and J.-J. Alvarado-Gil. A Novel Integrated System for Analysis of Thermal Depth Profiles, Proc. of SPIE 5776, 485 (2005).
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C.B Roth and J.R. Dutcher. Glass Transition and Chain Mobility in Thin Polymer Films, J. Electroanal. Chem. 584, 13 (2005).
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C.A. Murray, S.W. Kamp, J.M. Thomas and J.R. Dutcher. Onset and Manipulation of Self-Assembled Morphology in Freely-Standing Polymer Trilayer Films, Phys. Rev. E 69, 061612-1 - 061612-11 (2004) (featured in Virtual Journal of Nanoscale Science and Technology, July 2004).
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C.B Roth and J.R. Dutcher. Mobility on Different Length Scales in Thin Polymer Films, in Soft Materials: Structure and Dynamics, eds. J.R. Dutcher and A.G. Marangoni (Marcel Dekker, 2004).
[Outline ]

C.B Roth and J.R. Dutcher. Glass Transition Temperature of Freely-Standing Films of Atactic Poly(methyl methacrylate), Eur. Phys. J. E 12, s01, 024 (2003).
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B. Frick, K. Dalnoki-Veress, J. Forrest, J. Dutcher, C. Murray and A. Higgins. First Inelastic Neutron Scattering Studies on Thin Free Standing Polymer Films, Eur. Phys. J. E 12, s01, 022 (2003).
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M. Wübbenhorst, C.A. Murray and J.R. Dutcher. Dielectric Relaxations in Ultrathin Isotactic PMMA Films and PS-PMMA-PS Trilayer Films, Eur. Phys. J. E 12, s01, 025 (2003).
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K. Dalnoki-Veress, J.R. Dutcher and J.A. Forrest. Dynamics and Pattern Formation in Thin Polymer Films, Physics in Canada 59, 75-84 (2003).
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C.B. Roth, B.G. Nickel, J.R. Dutcher and K. Dalnoki-Veress. Differential Pressure Experiment to Probe Hole Growth in Freely-Standing Polymer Films, Rev. Sci. Instrum. 74, 2796-2804 (2003).
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M. Wübbenhorst, C.A. Murray, J.A. Forrest and J.R. Dutcher. Dielectric Relaxations in Ultrathin Films of PMMA: Assessing the Length Scale of Cooperativity in the Dynamic Glass Transition, Proceedings of the International Symposium of Electrets (ISE-11), Melbourne Australia (2002).
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C. Gigault, K. Dalnoki-Veress and J.R. Dutcher. Changes in the Morphology of Self-Assembled Polystyrene Microsphere Monolayers Produced By Annealing, J. Colloid Inter. Sci. 243, 143-155 (2001).
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K. Dalnoki-Veress, B. Frick, J. Forrest, J.R. Dutcher, C. Murray and A. Higgins. First Inelastic Neutron Scattering Studies on Thin Free Standing Polymer Films, Institut Laue-Langevin (ILL) Millenium Symposium Technical Report (2001).
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K. Dalnoki-Veress, C. Murray, C. Gigault and J.R. Dutcher. Molecular Weight Dependence of Reductions in the Glass Transition Temperature of Thin Freely-Standing Polymer Films, Phys. Rev. E 63, 031801-1 - 031801-10 (2001).
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K. Dalnoki-Veress, J.A. Forrest, P.-G. de Gennes and J.R. Dutcher. Glass Transition Reductions in Thin Freely-Standing Polymer Films: A Scaling Analysis of Chain Confinement Effects [invited], J. Phys. IV France 10, Pr7-221 - Pr7-226 (2000).
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John R. Dutcher, K. Dalnoki-Veress, B.G. Nickel and C.B. Roth. Instabilities in Thin Polymer Films: From Pattern Formation to Rupture [invited], Macromol. Symp. 159, 143-150 (2000).
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A.P. Hitchcock, T. Tyliszczak, I. Koprinarov, H. Stover, W.H. Li, Y.M. Heng, K. Murti, P. Gerroir, J. R. Dutcher, K. Dalnoki-Veress and H.W. Ade. X-ray Microscopy: Proceedings of the Sixth International Conference, Eds. W. Meyer-Ilse, T. Warwick and D. Attwood (American Institute of Physics Press, 2000), pp. 231-234.

K. Dalnoki-Veress, B.G. Nickel and J.R. Dutcher. Dispersion-Driven Morphology of Mechanically-Confined Polymer Films, Phys. Rev. Lett. 82, 1486-1489 (1999).
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K. Dalnoki-Veress, B.G. Nickel, C. Roth and J.R. Dutcher. Hole Formation and Growth in Freely-Standing Polystyrene Films, Phys. Rev. E 59, 2153-2156 (1999).
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J.R. Dutcher, K. Dalnoki-Veress and J.A. Forrest. Optical Probes of the Glass Transition in Thin Polymer Films, book chapter in "Supramolecular Structure in Confined Geometries", ed. G. Warr and S. Manne (American Chemical Society Press, 1998), V. 736, pp. 127-139.
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J.A. Forrest, K. Dalnoki-Veress and J.R. Dutcher. Brillouin Light Scattering Studies of the Mechanical Properties of Thin Freely-Standing Polystyrene Films, Phys. Rev. E 58, 6109-6114 (1998).
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K. Dalnoki-Veress, J.A. Forrest and J.R. Dutcher. Mechanical Confinement Effects on the Phase Separation Morphology of Polymer Blend Thin Films, Phys. Rev. E 57, 5811-5817 (1998).
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C. Gigault and J.R. Dutcher. Analysis of a Simple Method for the Reduction of Phonon Peak Broadening in Surface Brillouin Light Scattering, Appl. Opt. 37, 3318-3323 (1998).
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J.A. Forrest, K. Dalnoki-Veress and J.R. Dutcher. Interface and Chain Confinement Effects on the Glass Transition Temperature of Thin Polymer Films, Phys. Rev. E 56, 5705-5716 (1997).
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K. Dalnoki-Veress, J.A. Forrest, J.R. Stevens and J.R. Dutcher. Phase Separation Morphology of Spincoated Polymer Blend Thin Films, Physica A 239, 87-94 (1997).
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K. Dalnoki-Veress, J.A. Forrest, J.R. Stevens and J.R. Dutcher. Phase Separation Morphology of Thin Films of Polystyrene/Polyisoprene Blends, J. Polym. Sci. Part B: Polym. Phys. 34, 3017-3024 (1996).
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J.A. Forrest, A.C. Rowat, K. Dalnoki-Veress, J.R. Stevens and J.R. Dutcher. Brillouin Light Scattering Studies of the Mechanical Properties of Polystyrene/Polyisoprene Multilayered Thin Films, J. Polym. Sci. Part B: Polym. Phys. 34, 3009-3016 (1996).
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J.A. Forrest, K. Dalnoki-Veress, J.R. Stevens and J.R. Dutcher. Effect of Free Surfaces on the Glass Transition Temperature of Thin Polymer Films, Phys. Rev. Lett. 77, 2002-2005 (1996); 77, 4108 (1996).
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J.A. Forrest, K. Dalnoki-Veress, J.R. Dutcher, A.C. Rowat and J.R. Stevens. Brillouin Light Scattering Determination of the Glass Transition in Thin, Freely-Standing Polystyrene Films. Proc. Mater. Res. Soc. Symp. 407, 131-136 (1996).

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