Polymer Surface & Interface GroupDepartment of Physics, University of Guelph |
studying
the physics of polymers, biopolymers & bacterial cells at surfaces & interfaces |
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Recent Publications From the PSI GroupDisclaimer V. Vadillo-Rodriguez and J.R. Dutcher. Dynamic Viscoelastic Behavior of Individual Gram-Negative Bacterial Cells,,
Soft Matter, in press. 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). 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, in press. 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). 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). 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). 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). 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). 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). 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). J.R. Dutcher and M.D. Ediger. Glassy Surfaces Not So Glassy,, Science, 319, 577-578 (2008). 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). C.A. Murray and J.R. Dutcher. Effect of Changes in Relative Humidity and Temperature on Ultrathin
Chitosan Films,, Biomacromolecules 7, 3460-3465 (2006). 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). 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). 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). 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). 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). 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). 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). C.B Roth and J.R. Dutcher. Glass Transition and Chain Mobility in Thin Polymer Films,
J. Electroanal. Chem. 584, 13 (2005). 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). 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). 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). 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). 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). 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). 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). 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). 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). 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). 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). 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). 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). 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). 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). 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. 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). 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). 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). 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). 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). 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). 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). 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).
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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