The influence of adsorption orientation on the statistical mechanics model of type I antifreeze protein: The coverage rate

Li-Fen Li and X.X. Liang

Physica A: Statistical Mechanics and its Applications, 2015, vol. 421, issue C, 355-359

Abstract: Based on the statistical mechanics model, the coverage rate of the type I antifreeze protein (AFP) on the surface of ice-crystal in a protein solution is studied by including the adsorption orientation, as well as both the AFP–ice and AFP–water hydrophobic interactions. As an example, the computed results for HPLC-6 are given and discussed. It is shown that the coverage rate increases with the AFP concentration for the dilute protein solutions. The effect of the adsorption orientation of AFP molecules on the coverage rate cannot be ignored. Including the adsorption orientation enhances the coverage rate when the AFP solution is very dilute, but reduces it for the slightly thick solution. The stronger the AFP–ice and AFP–water hydrophobic interactions are, the larger the coverage rate is.

Keywords: Adsorption orientation; Coverage rate; Concentration (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:421:y:2015:i:c:p:355-359

DOI: 10.1016/j.physa.2014.11.050

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