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 24 for “"Bio Imaging"”.
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Novel Bio-Imaging Techniques Based on Molecular Switching
Fluorescence microscopy has been a fundamental imaging tool for life science research. Fluorescence basically involves only two molecular states: the ground molecular state and the first singlet excited state (the fluorescent state). Astonishingly, it greatly diversified the applicability of …
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Highly Luminescent Platinum Complexes for Light Emitting Devices and Bio-Imaging
… into the utility of the complexes as bio-imaging agents in live cells are reported. The complexes which contain small substituents on the terdentate ligand enter cells rapidly, retaining their phosphorescence. These Pt(II) complexes appear to localise simultaneously in both the nucleus …
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Group IV element-based luminescent nanoparticles: synthesis, environmental impact evaluation and bio-imaging applications
… from domestic flat-screen displays to clinical biomedical treatment, spurring the development of luminescent nanomaterials. Due to their tunable optical and electrical properties via the quantum confinement effect, traditional QDs have stimulated a significant amount of fundamental research into …
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Silicon nanocrystals: from bio-imager to erbium sensitizer
… material platform to various topics ranging from bio-imaging to erbium ion sensitization. Silicon nanocrystals as bio-imaging agent have been investigated by employing colloidal dispersion of individual silicon nanocrystals where surface properties could be controlled to a great extent. By using a …
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Zelluläre Aufnahme und intrazelluläres Schicksal von partikulären Drug Delivery Systemen
… <br>Für die Studien wurden mit dem Spectral Bio-Imaging und der Durchflusszytometrie zwei voneinander unabhängige Methoden verwendet. Mit der ortsauflösenden oder bildgebenden spektroskopischen Methode des Spectral Bio-Imaging wird die Kolokalisation von Fluoreszenz-gelabelten …
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Semiconducting Polymer Nanospheres: Organic Alternatives to Inorganic Quantum Dots?
… dimensions, are now being widely investigated as bio-imaging agents, despite the rising concerns about their toxic compositions. Therefore, advances in the synthesis of the organic nanoparticles and investigations into their suitability as alternatives to quantum dots need to be …
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Concurrency Optimization for Integrative Network Analysis
Virginia Tech\'s Computational Bioinformatics and Bio-imaging Laboratory (CBIL) is exploring integrative network analysis techniques to identify subnetworks or genetic pathways that contribute to various cancers. Chen et. al. developed a bagging Markov random field (BMRF)-based approach which …
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Metal oxides for efficient infrared to visible upconversion
… with improved efficiency, nanomaterials for bio-imaging, lasers and novel display technologies. Upconversion materials, usually consisting of crystals doped with lanthanide ions, can convert low-energy incident radiation into higher energy emitted radiation. Several mechanisms are involved, …
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Surface Passivation of Colloidal II-IV Semiconductor Quantum Belts and Quantum Wires: Synthesis, Mechanism and Optical Studies
… colloidal 1D quantum structures suitable for bio-imaging and solar-cell applications.
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Strategies for High-Performance Solid-State Photon Upconversion
… promising applications such as photovoltaics, bio-imaging, and photo-chemistry. Among the techniques capable of achieving photon upconversion, manipulating the excited states of organic molecules is especially attractive for practical applications thanks to its capability of being operated with …
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Surface trap passivation and characterization of lead sulfide quantum dots for optical and electrical applications
… emitting diodes (LEDs), photodetectors, and bio-imaging. Previously, QD thin films are treated with different ligands to passivate trap states and thereby improve the device performance. Through my work, I pursued to unveil the electrical characteristics and chemical origin of trap states, …
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Synthesis and Applications of Luminescent Quantum Dots in Bioassays
… significance in the last decade for optical imaging of cells, tissues and in bioassays as alternatives to conventional organic fluorophores. The main objective of my PhD dissertation was to develop luminescent quantum dot based bioassays for real time monitoring of enzyme activity and …
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Mode-locked laser diodes for the 750 – 770 nm spectral region
… in a wide range of applications such as bio-imaging, pulsed terahertz generation, microwave generation and millimeter-wave generation, with further impact on sensing, imaging and optical communications.<br/>
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SYNTHESIS, SURFACE MODIFICATION, AND CHARACTERIZATION OF BIOCOMPATIBLE MULTIFUNCTIONAL NANOPARTICLES
Design and fabrication of biocompatible nanomaterials with multifunctional properties is one of the most powerful paradigms in the nanobiotechnology field. Recently, fluorescent and magnetic silica-based nanoparticles (NPs) have received much attention because of its biocompatible and …
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Synthesis, Purification and Application of Few-Walled Carbon Nanotubes and Inorganic Nanowires
… properties of DWNTs and their application in bio-imaging are primarily investigated. In addition, conducing films are fabricated using highly pure FWNTs and the relationship between the structure and the conductivity is surveyed and further possible improvements are discussed. The second parts …
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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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ZnO Nanostructures: Low-Temperature Synthesis, Characterisation, Their Potential Application as Gene-Delivery Tools
… electronics, drug delivery, cancer treatment, bio-imaging, etc. However, the functionality of theses nanomaterials is eventually dictated by the capability to govern their properties including shape, size, position, and crystalline structure on the nanosized scale. This thesis investigates the …
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The use of non-ionic surfactant vesicles to prevent radiocontrast media-associated damage
Radiocontrast media administered during routine bio-imaging procedures represents a cause of hospital-associated, acute kidney injury or contrast-induced nephropathy. The exact mechanism of disease is not well characterised, although, a number of existing theories exist. The absence of adequate …
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The synthesis, characterisation and bioapplications of Novel Gold-Zinc Telluride Core-shell Nanoparticles
… Au-ZnTe nanoparticles was designed to support biocompatibility features that can be utilised for drug delivery and bio-imaging applications. Au, ZnTe and Au-ZnTe nanoparticles were synthesized and analysed for optical, morphological, crystalline and surface chemistry characterisation. …
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Quantum Chemical Studies for the Engineering of Metal Organic Materials
… properties to be used for optoelectronic, imaging, sensing, among other applications. DFT calculations can predict the second order hyperpolarizability ?2 and tensor components necessary to estimate NLO. These calculations for the ?2 were done with the use of the Berry's finite field …
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