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 15 of 15 for “"holographic microscopy"”.
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Biomedical applications of holographic microscopy
… settings such as sub-Saharan Africa. Holographic imaging techniques have been shown to perform diagnostic screening at low cost in order to meet this clinical need, however the computational and logistical challenges involved in deploying such systems are manifold. This thesis aims to …
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Digital Holographic Microscopy for Measurement of Cellular Refractive Indices
… as it propagates through the medium. A digital holographic microscope (DHM) has been constructed to measure the refractive index of living biological cells as this information has been shown to be an indicator of cell health and is also central to cellular biomechanics measurements made with …
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Digital Holographic Microscopy for High-throughput Analysis of Tumour Cells
… artefacts in the captured images. Digital holographic microscopy(DHM)enables stain-free single-shot imaging of living cells, uses low light intensities, and requires low data storage capacity. Due to advantages over many other methods, DHM is a strong candidate for high-throughput analyses. …
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Novel methods for recording and reconstructing images in digital holographic microscopy
… unstained biological cells using brightfield microscopy has resulted in the development of several specialized imaging techniques that can enhance the contrast of subcellular features without the need for labeling. Examples include phase contrast, differential interference microscopy, dark …
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Advances in Telecentric Digital Holographic Microscopy: From Theoretical Foundations to Biomedical Applications
… the enhancements in telecentric digital holographic microscopy (TDHM), focusing on optimizing off-axis configurations for biomedical applications. Through a holistic approach combining hardware innovations and algorithmicadvancements, this work addresses fundamental limitations in …
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Intrinsic cytometry based on computational microscopy
… from large field-of-view computational microscopy with separation of cells via an integrated label-free microfluidic platform. This intrinsic cytometry will benefit from the parallel and gentle separation of label-free cells via a microfluidic platform and parallel tracking of multiple …
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Large-area cell-tracking cytometry for biophysical measurements of single cells
… approach were extended by leveraging digital holographic microscopy and deep learning technologies to monitor cells in a large field of view, enabling rapid and high-throughput assessment of biophysical phenotypes.
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High-resolution Optical Scanning Holography
… Poon[1], is a fascinating technology to record holographic information. The technique is applied in the operation of scanning holographic microscopy to record the entire three-dimensional volume of a biological specimen in the form of a hologram. With the data captured, a digital reconstruction …
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Computational phase imaging based on intensity transport
… is presented in the context of a Volume Holographic Microscopy (VHM). All of these techniques are in the realm of computational imaging, whereby the imaging system and post-processing are designed in parallel.
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Microalgal swimming in fluid environments: experimental and numerical investigations
… as Particle Image Velocimetry (PIV) and Digital Holographic microscopy were employed. The two-dimensional PIV results showed that Dunaliella were influenced by the fluid flow as soon as the local (or ambient) flow velocities surrounding the cells exceeded the individual (flow subtracted) swimming …
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Biophysical profiling of YAP/TAZ dependent mechanical responses
… fibroblasts from spiny mice and mice. Digital holographic microscopy, a label-free quantitative phase imaging technique, was used to measure morphological changes of cells when exposed to mechanical cues resembling the ageing environment, including stiffness, hydrostatic pressure, and ECM …
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Mechanisms of reorientation in phytoplankton : fluid shear, surface interactions, and gravitaxis
… surface. Both conventional imaging and digital holographic microscopy were used to track cells, in two and three dimensions, respectively. Results revealed that the presence of a surface can affect cell distributions many cell diameters away from that surface, with the actual distance depending …
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Label-free Optical Approaches for the Non-invasive Assessment of Embryo Quality
… my work demonstrated the ability of digital holographic microscopy to detect spatio-temporal changes in refractive index that were associated with increased intracellular lipid abundance, in the absence of exogenous tags. This underscores the potential for refractive index measurement as a …
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Rapid Two-Photon Holographic Scan Microscopy with Individual Quantum Dots and Its Applications in Biological Samples
Two-photon (2P) excited fluorescence microscopy is particularly advantageous for imaging biological specimens since it offers reduced scattering, deep sample penetration, and intrinsic confocality when excited with point excitation. Here we report the first 2-photon microscopy of individual quantum …
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Spojování světla dvou zdrojů v integrační sféře
Novo vyvíjaná generácia koherenciou riadeného holografického mikroskopu bude vybavená fluorescenčným modulom. Práca pojednáva o základných princípoch a aplikácii fluorescenčnej mikroskopie vrátane popisu holografického mikroskopu. Je vykonaná a vyhodnotená rešerš dostupných svetelných zdrojov …