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 131 for “"correlation spectroscopy"”.
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Silicon Nanoparticle Characterization by Fluorescence Correlation Spectroscopy
Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Elizabeth Kent (eckent2@illinois.edu) on 2012-05-31T16:14:05Z Item is restricted indefinitely.
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In vivo two-dimensional NMR correlation spectroscopy
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1999.
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A study of a correlation spectroscopy gas detection method
The study of an optical correlation spectroscopy gas detection system is presented in this thesis. The correlation spectroscopy method uses a sample of reference gas as a filter to identify the concentration of the target gas in a measurement gas cell. containing reference gas cell was also …
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New Applications of Fluorescence Correlation Spectroscopy in Materials Science
… new concepts for the usage of fluorescence correlation spectroscopy. A classical FCS setup was modified in such a way that fluorescent species in aqueous as well as organic environments can be studied at varying temperature. We have synthesised a set of dye-labelled polymers that served as a …
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Investigation of peptide-lipid interaction by fluorescence correlation spectroscopy
… membranes was investigated using fluorescence correlation spectroscopy (FCS) and laser scanning confocal imaging. A similar mechanism of MV4s was observed as compared to V4. MV4s induced lipid aggregation before they disrupted the lipid membranes. By comparing between different MV4s, we found …
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Modeling torso imaging via time-domain diffuse correlation spectroscopy
… by examining the efficacy of time-domain diffuse correlation spectroscopy (TD-DCS) as a means of imaging bleeding within the torso. TD-DCS is a new, powerful imaging technique with primary application of measuring blood flow in the brain. Here we show both how this novel imaging technique can be …
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Two -Photon Dual Channel Fluctuation Correlation Spectroscopy: Theory and Application
Fluctuation correlation spectroscopy (FCS) is a non-perturbative method used to gain molecular information from stochastic processes such as Brownian motion (Magde, Elson et al. 1972). Dual channel FCS allows for the investigation of static (molecular associations) and kinetic (protein dynamics) …
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Fluorescence correlation spectroscopy: ultrasensitive detection in clear and turbid media
… bright particles). The data is analyzed with a correlation filter program based on particle passage pattern recognition. I will also describe further work on improving the sensitivity of the technique, expanding it for multiple-species discrimination and enumeration, and testing the prototype …
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Imaging of volcanic trace gases by Fabry-Perot interferometer correlation spectroscopy
… approach based on Fabry-Perot interferometer correlation spectroscopy (FPI CS) is presented. The technique exploits the periodic transmission profile of a Fabry-Perot interferometer (FPI) and its correlation to the (approximately periodically varying) target trace gas spectral absorbance. The …
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Investigating lipid corona formation onto polystyrene nanoparticles through fluorescence correlation spectroscopy
… composed of phospholipid bilayer. Fluorescence correlation spectroscopy (FCS) is a promising tool that can be used to probe nanoparticle-cell interactions. FCS experiments focusing on exposure of lipid vesicles to different polystyrene nanoparticles indicate possible formation of a lipid corona. …
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Investigating transport of charged nanoparticles by multiphoton fluorescence correlation spectroscopy (MPFCS)
… the development of a multiphoton fluorescence correlation spectroscopy (MPFCS) system and its utilization to probe the effect of charge on the diffusion of quantum dot (QD) nanocrystals in collagen and collagen-hyaluronan (HA) composite gel models of human colon adenocarcinoma (LS174T). The …
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Applications of two focus fluorescence correlation spectroscopy in colloid and polymer science
… systems by a new method, dual focus Fluorescence Correlation Spectroscopy (2fFCS), which permits investigations of comparable precision to established methods. 2fFCS is insensitive to many optical and photo-physical effects. An external length scale is introduced into the measurement by creating …
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A novel integrated platform combining atomic force microscopy and fluorescence correlation spectroscopy
… Atomic force microscope (AFM) and fluorescence correlation spectroscope (FCS) are two complimentary techniques that are commonly employed investigate mechanics and dynamics of liquids at interfaces. In this thesis, the design and construction of a novel integrated platform combining AFM and FCS …
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Optical gas sensors based on correlation spectroscopy using a Fabry-Perot interferometer
… we present an analysis of gas sensors based on correlation spectroscopy with a Fabry-Perot interferometer (FPI). In this technique the spectral FPI transmission fringe pattern is matched with ro-vibrational absorption lines. To produce the cross correlation principle the FPI fringe pattern must …
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Single Molecule Ligand Binding Studies on CCR5 by Fluorescence Cross-Correlation Spectroscopy
… this issue, we have employed fluorescence cross-correlation spectroscopy (FCCS) to determine equilibrium dissociation and inhibition constants for the RANTES analogues binding to CCR5. We developed a tandem affinity purification protocol to purify full-length, monomeric CCR5 from receptor …
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Imaging of bromine oxide and formaldehyde using Fabry-Perot interferometer correlation spectroscopy
… oxide (BrO) based on Fabry-Perot interferometer correlation spectroscopy in the UV wavelength range is presented. The technique makes use of the periodic transmission spectrum of a Fabry-Perot-Interferometer and its correlation with the approximately periodic narrowband absorption structures of …
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Time-domain diffuse correlation spectroscopy: instrument prototype, preliminary measurements, and theoretical modeling
Near-infrared spectroscopy (NIRS) is an emerging diffuse optical imaging tool with both clinical and academic applications such as functional brain imaging, breast cancer detection, and cerebral health monitoring. Due to its non-invasiveness, high spatial and temporal resolution, and portability, …
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Exploring The Translational Clinical Value of Cerebrovascular Reactivity Assessments by Diffuse Correlation Spectroscopy
… neuromonitoring technology termed Diffuse Correlation Spectroscopy (DCS). DCS is an emerging low-cost, noninvasive, and portable optical tool that utilizes near-infrared light to assess cerebral hemodynamics (i.e., cerebral blood flow, cerebrovascular reactivity) at the microvascular length …
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Cross-talk-free dual-color fluorescence cross-correlation spectroscopy for high-throughtput screening
High throughput processing of chemical/biochemical information is critical in many areas, such as genome sequencing, drug discovery and clinical diagnostics. Integral to collecting information at high rates with the necessary throughput is the development of systems that can not only monitor the …
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