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Computer simulation of interactions of molecules with mineral surfaces
 BARVÍKOVÁ, Hana
This thesis is focused on molecular dynamics, modelling interactions and their simulation. One of the tasks was to familiarize with GROMACS, a molecular dynamics simulation software. This work also introduces the basics of molecular dynamics and modelling interactions of organic molecules with mineral surfaces. The aim of the thesis was to solve model tasks in GROMACS and analyze the output results. The thesis describes some of the most important file formats and utilities that are needed for working with GROMACS and the use of both the formats and the utilities. In this program, I built up several systems consisting of combinations of organic molecules such as benzoic acid, phenol, salicylic acid and their conjugate bases with mineral surfaces (quartz crystal) of different surface charge density. Furthermore I analyzed the results of these simulations, behaviour of the structures and adsorption geometries and interaction energies within these systems. The thesis might also serve as a quick introduction and familiarization with GROMACS with emphasis on simulations and analysis of systems with planar interfaces. Within the MetaCentrum Project I worked on the Hermes Computer Cluster belonging to the Faculty of Science at the University of South Bohemia.
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