Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 137 for “"Soft Matter"”.
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Seeing the unseen dynamics in soft matter
… thesis concerns the fundamental questions in soft matter, in particular, the dynamics of vesicle membranes, interfacial polymers, colloidal particles. Optical imaging was applied three distinct systems to reveal the underlying physical processes that were hindered by other prior indirect …
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Soft matter engineering for cellular bioelectronic interfaces
… individual cells. In this thesis, micron-scale soft-matter (droplets and microgels) were leveraged to develop two such cellular-bioelectronic interfaces. One such interface to leverage cellular charge generating behaviour was developed by in- tegrating commercial flow-cytometric cell-sorting …
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Fast simulation methods for soft matter hydrodynamics
This thesis describes the systematic development of methods to perform large scale dynamic simulations of hydrodynamically interacting colloidal particles undergoing Brownian motion. Approximations to the hydrodynamic interactions between particles are built from the periodic fundamental solution …
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The Shape of Soft Matter: Geometry and Defects
… address this question in the context of closed soft two-dimensional membranes with internal order. Soft matter represents a good arena to identify simple universal mechanisms for shape selection. In fact, a distinctive property of soft materials is that they can undergo dramatic changes in …
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Self- assembly of soft matter under 2D nanoconfinement
La possibilità di creare nano e microstrutture confinate, integrabili su larga scala, è stata per molti anni uno degli interessi centrali della nanotecnologia e della nanoscienza. L'obiettivo principale è quello di controllare e manipolare l'assemblaggio, al fine di ottenere strutture con le …
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Non-equilibrium Dynamics of Nanoscale Soft Matter Deformation
Life is soft. From the fluid-like structure of lipid bilayers to the flexible folding of proteins, the realm of nanoscale soft matter is a complex and vibrant area of research. The lure of personalized medicine, advanced sensing technology, and understanding life at a fundamental level pushes …
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Soft matter in motion: from actin to active emulsions
… as a discovery tool, we surveyed a range of soft material systems, including filamentous actin, liquid crystal droplet and block copolymer to study their dynamics under equilibrium and non-equilibrium conditions. By following the motion of filamentous actin under a fluorescence microscope, we …
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Modelling of colloidal dynamics in complex soft matter systems
… complex dynamics among colloidal particles in soft matter systems which are influenced by the interplay between Brownian motion, the common denominator among all the projects, and other phenomena such as inter-particle interactions and external fields. Since the Brownian motion and its …
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Hybrid nanolayer architectures for ultrafast acousto-plasmonics in soft matter
The goal of the presented work is to explore the interaction between gold nanorods (GNRs) and hyper-sound waves. For the generation of the hyper-sound I have used Azobenzene-containing polymer transducers. Multilayer polymer structures with well-defined thicknesses and smooth interfaces were built …
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Bioinspired soft matter self-assembly and its use in biomedical applications
… colloids, and gels. Therefore, most biological matter is soft matter, and many biomedical products, such as 3D cell culture platforms or nanocarriers for drug and imaging agent delivery, often consist mostly of soft matter. Despite advances in these fields, concerns still exist regarding the …
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Multilevel Monte Carlo simulation of soft matter using coarse-grained models
Soft matter encompasses a wide variety of materials that are composed of mesoscopic particles in solution. The numerical study of such materials is complicated by the difference in length-scales between an atomistic, statistical mechanical model of the material and its mesoscopic structures. To …
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The Self-Organisation of Biological Soft matter Systems at Different Length-scales
… Here, the experimental techniques of the wider soft matter field are used to investigate the biophysical properties of systems that span the biologically relevant spectrum of length-scales in which soft matter contributions are important. Differential scanning calorimetry analysis was used to …
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Engineering soft matter for cell biology from a biophysical point of view
… pinned by technological innovations developed in soft matter physics. In this thesis, I have focused on applying biophysical views and tools to study bio-relevant soft matter systems, including the biomolecular condensates in cell nucleus and the bio-materials for cell culture applications. First, …
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Phase transitions in soft matter: From colloidal suspensions to biomolecular condensate regulation
… overview of recent advancements in the fields of soft matter computational physics and biophysics, emphasizing the intricate interplay between molecular interactions, phase transitions, and biological phenomena. Beginning with an exploration of polymorphic competition in hard spheres …
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Particle Manipulation Via Optical Forces and Engineering Soft-Matter Systems With Tunable Nonlinearities.
One of the most intriguing properties of light-matter interaction is the ability of an electromagnetic field to exert mechanical forces on polarizable objects. This phenomenon is a direct consequence of the fact that light carries momentum, which in turn can be transferred to matter. Mediated by …
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Development of Soft-Matter Delivery Systems: Coupling pH Responsive Polymers to Porous Silica Particles
<p>This work investigates polymeric coating of evaporated induced self-assembly (EISA) mesoprous silica nanoparticles for potential use in controlled drug release and therapeutics. As demonstrated here, lipid bilayer coatings can be easily replaced with different polymer analogs allowing for …
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Problems in hard and soft matter: From brain folds and Levy localization to active elasticity
<p>This thesis presents a study of condensed matter systems at different length scales. The first part presents a study of elastic instabilities in biological systems ranging from the cerebral cortex in the brain to the lining of the intestines. Such instabilities lead to a zoo of morphologies …
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Mechanics, shape, and programmability in soft matter systems: From fluid membranes to spring and droplet networks
<p>This thesis analyzes three different soft matter systems---membranes, polymers, and droplets---to answer questions about shape, mechanics, and programmability. </p> <p>For membranes, my collaborators and I have developed a theoretical model of endocytosis in yeast. Endocytosis is the process by …
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