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Magnus Ullner, Associate Professor

Research interests

  • Conformational and acid-base properties of flexible polyelectrolytes, in particular persistence length as a function of added salt
  • Ion activities and osmotic pressure in polyelectrolyte solutions
  • Monte Carlo simulations

Selected publications

  • Osmotic Pressure in Polyelectrolyte Solutions: Cell-Model and Bulk Bimulations
    M. Ullner, K. Qamhieh, and B. Cabane, Soft Matter 14, 5832-5846 (2018)
  • Interaction and Aggregation of Charged Platelets in Electrolyte Solutions: A Coarse-Graining Approach
    A. Thuresson, M. Ullner, and M. Turesson, J. Phys. Chem. B 118, 7405-7413 (2014)
  • Monte Carlo Simulations of Parallel Charged Platelets as an Approach to Tactoid Formation in Clay
    A. Thuresson, M. Ullner, T. Åkesson, C. Labbez, and B. Jönsson, Langmuir 29, 9216-9223 (2013)
  • Conformational Change of Giant DNA with Added Salt as Revealed by Single Molecular Observation
    N. Makita, M. Ullner, and K. Yoshikawa, Macromolecules 39, 6200-6206 (2006)
  • Oppositely Charged Polyelectrolytes. Complex Formation and Effects of Chain Asymmetry
    Y. Hayashi, M. Ullner, and P. Linse, J. Phys. Chem. B 108, 15266-15277 (2004)
  • Comments on the Scaling Behavior of Flexible Polyelectrolytes within the Debye-Hückel Approximation
    M. Ullner, J. Phys. Chem. B 107, 8097-8110 (2003)
  • Simulations of the Titration of Linear Polyelectrolytes with Explicit Simple Ions: Comparisons with Screened Coulomb Models and Experiments
    M. Ullner and C. E. Woodward, Macromolecules 33, 7144-7156 (2000)
  • Monte Carlo Simulations of a Single Polyelectrolyte in Solution: Activity Coefficients of the Simple Ions and Application to Viscosity Measurements
    M. Ullner, G. Staikos, and D. N. Theodorou, Macromolecules 31, 7921-7933 (1998)


+46-46-222 82 42
magnus [dot] ullner [at] compchem [dot] lu [dot] se