Coarse-grained modelling of DNA and DNA self-assembly

Author(s)
    • Ouldridge, Thomas E
Bibliographic Information

Coarse-grained modelling of DNA and DNA self-assembly

Thomas E. Ouldridge

(Springer theses : recognizing outstanding Ph. D. research)

Springer, c2012

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Note

"Doctral thesis accepted by the University of Oxford, UK" -- T.p

Description and Table of Contents

Description

This thesis presents a novel coarse-grained model of DNA, in which bases are represented as rigid nucleotides. The model is shown to quantitatively reproduce many phenomena, including elastic properties of the double-stranded state, hairpin formation in single strands and hybridization of pairs of strands to form duplexes, the first time such a wide range of properties has been captured by a coarse-grained model. The scope and potential of the model is demonstrated by simulating DNA tweezers, an iconic nanodevice, and a two-footed DNA walker - the first time that coarse-grained modelling has been applied to dynamic DNA nanotechnology.

Table of Contents

A Novel DNA Model.- Methods.- Finite Size Effects.- Structural and Mechanical Properties of Model DNA.- Thermodynamic Properties of Model DNA.- Modelling DNA Tweezers.- Modelling a DNA Walker.

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