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We employ Molecular Dynamics simulations to study the phase behavior and equilibrium dynamics of a fully flexible Lennard-Jones chain immersed in a Lennard-Jones solvent at high solvent densities. The hydrophobicity of the model polymer is adjusted by varying the attractive component of either the m...
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In this work, we examine some of the properties of a model Langmuir monolayer, which consists of surfactant molecules (amphiphillic organic molecules) deposited onto a water subphase. The surfactants are modeled as rigid rods composed of a head and tail segment. The tails consist of 'nt' ≈ 4-...
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This thesis is concerned with the orientational and conformational behaviour of molecules partially oriented in a nematic liquid crystal. We have studied these systems experimentally using Multiple-Quantum NMR spectroscopy, and computationally using the Monte Carlo simulation method. An important go...
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A novel scanning tunneling microscope (STM) is described which is constructed almost entirely of one metal e.g. aluminum and uses bimorph piezoelectric disks as the x, y, z drive elements. The design uses a simple, rugged tripod configuration for the fine motion drive arms. Coarse motion of the samp...
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Optoacoustic imaging is being investigated as a potential tool for monitoring the onset and progression of laser thermal therapy. In this study OA images were acquired from ex vivo bovine liver using a reverse-mode OA imaging system consisting of a pulsed laser operating at 775 nm, and an 8 element ...
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A novel scanning tunneling microscope (STM) is described which is constructed almost entirely of one metal e.g. aluminum and uses bimorph piezoelectric disks as the x, y, z drive elements. The design uses a simple, rugged tirpod configuration for the fine motion drive arms. Coarse motion of the samp...
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One of the major limitations of the use of optoacoustics (OA) for the imaging of prostate cancer is the relatively low resolution when performed in real time. The work presented in this thesis aims to address this limitation by applying frequency-based analyses, which contribute additional informati...