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 14 of 14 for “"optical tweezer"”.
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Towards synthetic Rydberg lattices with optical tweezer arrays
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms
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Cell-cell communication in three dimensional microenvironments
… In order to mimic native tissue environments, optical tweezer and microfluidic technologies were used to place cells within defined areas of the culture environment. To provide three dimensional supports found in natural tissues, hydrogel scaffolds of poly (ethylene glycol) diacrylate and the …
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Non-equilibrium polymeric complex fluids
… In this work a safe and easy to use optical tweezer (OT) apparatus has been developed in order to facilitate the investigation of various systems during dilution or drying. In contrast to other OT setups, this equipment is safe to use without laser goggles or interlocked rooms, yet …
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DNA-colloid systems and micro-rheology
… monitoring algorithm for complex moduli in optical tweezer micro-rheology sys,tems. Further to eliminating high frequency artefacts, our method is memory light and computationally efficient. Chapter 3 investigates the dynamics of ADNA coated colloids using Brownian Dynamics simulation and a …
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Extracting Equilibrium From Nonequilibrium: Free Energy Calculation From Steered Molecular Dynamics Simulations
… techniques such as atomic force microscopy and optical tweezer have already proved to be effective and are constantly being improved. Fluctuations play such an important role at the nanometer scale where biomolecules live that the theory of fluctuations (commonly known as nonequilibrium …
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A Cavity-Coupled Rydberg Atom Array Platform for Quantum Computing
… of neutral atom Rydberg arrays with strong optical coupling to high-finesse cavities, we can build a new quantum architecture that oversteps many of the limitations of other hardware systems. In this dissertation, we lay out the case for coupling Rydberg atom arrays to cavities, discussing …
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Hybrid optical and acoustic trapping
… for a number<br/>of different applications. Optical tweezers, a technique which uses highly focused laser beams to trap and move microscopic objects, has become an important tool for many applications owing to its incredible precision and dexterity. Optical trapping is, however, limited in …
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Mechanics and dynamics of living mammalian cytoplasm
… are in excellent agreement with our independent optical tweezer measurements in this equilibrium regime. Studies often assume cytoplasm as an isotropic material. However, under various physiological processes such as migration, blood flow on endothelial cells, it can undergo morphological changes …
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Investigating Ageing of Neurodegenerative Disease Relevant Protein Condensates
… between condensates. Leveraging a dual-trap optical tweezer setup with bright-field and fluorescence imaging and force response probes, the fusion behaviour of protein condensates was studied in detail. Bright-field microscope allowed protein fusion driven by surface tension to be observed …
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Using biophysical tools to explore the erythrocyte preferences of the zoonotic malaria parasite Plasmodium knowlesi
… tension in human and macaque red blood cells. Optical tweezers were then used to measure the stiffness of human normocytes, reticulocytes, and macaque RBCs. It was found that erythrocyte membrane biophysics do not significantly change with surface adherence, and that membrane tension and …
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Adaptive Control of an Optical Trap for Single Molecule and Motor Protein Research
… the development of an advanced, state-of-the-art optical trap for use in biological materials and nanosystems investigation. An optical trap is an instrument capable of manipulating microscopic particles using the inherent momentum of light. First introduced by Askin et al., the single beam …
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Development of optical trapping assays to investigate bacteriophage T4 packaging
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-03-28 without embargo terms
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Rydberg atom networks for quantum technologies [Reti atomiche Rydberg per le tecnologie quantistiche]
Gli atomi di Rydberg sono destinati a diventare validi candidati per il progresso delle tecnologie quantistiche. Il loro principale vantaggio risiede nelle forti interazioni dipolari tra più atomi, che portano a fenomeni come la “blockade" e la facilitazione di Rydberg. Oltre a queste notevoli …