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 63 for “"Biological Imaging"”.
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Biological imaging with low coherence optical interferometry
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1992.
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Quantum dot-based nanomaterials for biological imaging
… probes were synthesized and applied to biological imaging in two distinct size regimes: (1) 100-1000 nm and (2) < 10 nm in diameter. The larger diameter range was accessed by doping CdSe/ZnS or CdS/ZnS quantum dots (QDs) into shells grown on the surfaces of pre-formed sub-micron SiO2 …
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Visualization and management of large biological imaging datasets
… to quickly analyze, manipulate and modify large imaging datasets. The browser includes a variety of features that facilitate image classification, annotation, visualization, and organization. The browser displays image metadata using a variety of techniques, including visual cues, …
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Effect of Quantum Dots, Novel Biological Imaging Agents, in Liver Cells in Vitro
… them potentially useful for such applications as imaging and ligand attachments. However, there are concerns regarding the toxic effects of QDs and the minimal dose that can be used without producing any detrimental effects to organisms. In this study, QDs coated with the amphiphilic polymer …
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Advances in single molecule spectroscopy and microscopy for biological imaging and polymer characterization
… for studying the behavior of a wide variety of biological systems. In this way, single molecule techniques can be used to gain an increased understanding of molecular mechanisms underlying basic phenomena in biology, materials science, and soft matter. In general, these approaches allow for …
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Surface plasmon enhanced fluorescence for biological imaging : from visible to short-wave infrared
Fluorescence imaging offers high spatio-temporal resolution, low radiation dosage exposure, and low cost among all the available imaging modalities, for example, magnetic resonance imaging, computerized tomography and positron emission tomography. Imaging probes of high emissivity and …
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New directions in biological imaging: Engineering, characterization, and discovery of LOV-based fluorescent proteins
Made available in DSpace on 2014-05-30T16:49:00Z (GMT). No. of bitstreams: 3 Arnab_Mukherjee.pdf: 5391580 bytes, checksum: 4e1d0234958d4200ae65ae4e332e06b2 (MD5) Mukherjee_Arnab.docx: 21043138 bytes, checksum: 4cfe88d10b6cbe13ca845b27ee2e14c2 (MD5) license.txt: 4065 bytes, checksum: …
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Development of polymeric quantum dot ligands for biological imaging in the short-wave infrared
… nm) has excellent properties for in vivo imaging: low autofluorescence, reduced scattering, and little light absorption by blood and tissue. However, broad adoption of SWIR imaging in biomedical research is hampered by the availability of versatile and bright contrast materials. Quantum …
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Development of Nanoprobes for the Biological Imaging Using Positive Charged Quantum Dots and Upconversion Nanoparticles
… opioid receptor in live cell, to acquire in vivo imaging of tumor expressing integrin ανβ3 in mice, and to detect sequence-specific oligonucleotides. These results show the potential of these nanoprobes to apply for the drug screening and in vivo multiplex imaging.
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Design and characterization of surface-enhanced Raman scattering nanoparticles as spectroscopic probes for biological imaging
… of SERS-based optical probes designed for biological imaging and chemical sensing experiments. Special attention is paid to both the probe stability and the stability of its chemical signature. Our results indicate that significant care is required to successfully manufacture and use probes …
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Gold nanorods: Applications in chemical sensing, biological imaging and effects on 3-dimensional tissue culture
… for applications in biochemical detection, imaging, and therapeutics, due to their useful optoelectronic properties. Interest in this area has recently focused on engineering the surface of the nanoparticles, because of the ease in which the charge, functionality, and reactivity of the …
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Design and synthesis of novel functionalized sensors for the biological imaging of zinc(II) and nitric oxide
CHAPTER 1: Fluorescent Sensors for the Biological sensing of Zinc(II) A variety of fluorescent techniques have been developed for the in vivo sensing of Zn2+. This chapter presents a brief overview of techniques used to image chelatable zinc(II) in neuronal cells. Ratiometric sensors have been …
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The Design, Synthesis and Characterization of Lanthanide-based Nanomaterials and Their Use in 3D Biological Imaging and Radiation Dosimetry
… (UCNPs) (2) the development of a 3D imaging modalities that leverage the unique photophysical properties of upconverting nanomaterials and (3) the application of scintillating nanoscale radiation detection materials as an alternative to the single-crystal bulk lanthanide doped …
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Study on gold nanoparticles for biological applications
… have attracted much attention in the field of biological research, especially in biological imaging and sensing due to their unique physical properties. Fluorescence is a highly-sensitive, non-invasive biological study method and has been widely used in a variety of research topics. The aim of …
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Large Two-photon Absorption of Highly Conjugated Porphyrin Arrays and Their in vivo Applications
… microscopy (TPM) has become a standard biological imaging tool due to its simplicity and versatility. The fundamental contrast mechanism is derived from fluorescence of intrinsic or extrinsic markers via simultaneous two-photon absorption which provides inherent optical sectioning …
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Computational imaging in biology
… an exploration of advanced computational imaging techniques aimed at enhancing biological imaging performance. Biological specimens often present challenges due to their sub diffraction limited complex structures and the scattering of light, which can obscure critical details. To address …
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Stimulated Emission Depletion (STED) Microscopy and Pacific Orange Dye Optimization For H9C2 Cox-1 Imaging Via Indirect Immunocytochemistry
… high-resolution, nanoscale images of both biological and non-biological samples, greatly adding to the wealth of knowledge in multiple disciplines. Despite these contributions, several obstacles remain for STED technology. These include pricing and availability of laser usage, as well as …
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Infrared-to-visible upconversion in hybrid thin films of colloidal nanocrystals and organic molecules
… in photovoltaics, infrared sensing, and biological imaging. In this thesis, I present a solid-state thin-film device that converts infrared photons with wavelength up to 1.1 [mu]m into visible wavelengths around [lambda] = 610 nm. The device consists of a monolayer of lead sulfide …
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Luminescent Lanthanide Complexes and Nanoparticles for Biological Applications
… complexes and nanoparticles for potential use in biological environments. Trivalent lanthanide (Ln(III)) are attractive for bioimaging and sensing applications because of their long emission lifetimes, sharp emission bands, color purity, resistance to photobleaching, and enhanced signal-to-noise …
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