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Self Assembly of Globular Protein Nanoparticles

A. Shiryayev and J.D. Gunton
Lehigh University, US

Keywords: nanoparticle, protein, crystallization, nucleation

Abstract:
A continuum model of the self-assembly of globular protein nanoparticles proposed by Talanquer and Oxtoby (J. Chem. Phys. 109, 223 (1998)) is investigated numerically, with particular emphasis on the region near the metastable fluid-fluid coexistence curve. The free energy barrier that separates a protein rich metastable fluid phase from its stable crystalline phase is studied for a variety of nucleation pathways in the metastable region. As shown earlier, the nucleation barrier is smallest in the vicinity of the fluid-fluid critical point. An approximate analytic solution is also presented for the shape and properties of the nucleating crystal droplet.

Nanotech 2004 Conference Technical Program Abstract

 
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