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2 results

  • 8 - Self-Assembly and Phase Behaviors

  • Murugappan Muthukumar, University of Massachusetts, Amherst
  • Book:
    Physics of Charged Macromolecules
    Published online:
    16 February 2023
    Print publication:
    23 February 2023, pp 279-338

  • Summary

    Using the Flory-Huggins theory for uncharged polymer solutions, key concepts of the critical point, coexistence curve, and spinodal curve are presented. These concepts are then generalized to charged systems by explicitly considering restricted primitive model for electrolytes and new developments for polyelectrolyte solutions that include the liquid-liquid phase separation invoked in the formation of membrane-less organelles. Fibrillization in amyloids and collagen is discusses with a focus of electrostatic effects.

  • Laser-ablation and induced nanoparticle synthesis

  • Dimitri Batani, Tommaso Vinci, Davide Bleiner
  • Journal:
    Laser and Particle Beams / Volume 32 / Issue 1 / March 2014
    Published online by Cambridge University Press:
    23 October 2013, pp. 1-7

  • Laser pulses are largely used for processing and analysis of materials and in particular for nano-particle synthesis. This paper addresses fundamentals of the generation of nano-materials following specific thermodynamic paths of the irradiated material. Computer simulations using the hydro code MULTI and the SESAME equation of state have been performed to follow the dynamics of a target initially heated by a short laser pulse over a distance comparable to the metal skin depth.