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 137 for “"Spectroscopic data"”.
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Interpreting Forensic Trace Evidence using Multi-Elemental and Spectroscopic Data
… and Raman Microscopy that generate multivariate spectroscopic data, has necessitated the need for advanced statistical methods for evidence analysis. The first aim of this thesis is to ascertain reliability and repeatability of evidential data generated using LIBS. The second objective is to …
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Analysis of fermentation spectroscopic data using multivariate statistics and pattern recognition
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1998.
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Chemical gradients in the Milky Way from unsupervised chemical abundances measurements of the RAVE spectroscopic data set
… Galactic formation scenarios. RAVE is a large spectroscopic survey which aims to observe spectroscopically ~10^6 stars by the end of 2012 and measures their radial velocities, atmospheric parameters and chemical abundances. The project makes use of the UK Schmidt telescope at Australian …
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Non-Local Thermodynamic Equilibrium in Laser-Sustained Plasmas
… (LSP) at atmospheric pressure has been studied spectroscopically and the existence of a non-local thermodynamic state has been determined. The spectroscopic data consist of several argon neutral and ion line emissions used to spatially resolve electronic energy level population densities in each …
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Methacrylate esters of cyclic alcohols of potential biomedical utility
… methacrylate esters were also prepared and their spectroscopic data are presented. The commercially available 3-methyloxetan-3- ylmethanol was converted to its methacryloyl ester and the analytical data was presented.
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Database and Application Programming Interface Development for Rotational Spectroscopy
… spectroscopy and computational tools. A database of spectroscopic data serves as the foundation of the automation pipeline for assigning spectral lines to species. While there are existing databases available for use, we developed our custom database, named SAAGAdb, and an application …
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Spectroscopic and synthetic studies relating to a dirhodium hydroformylation catalyst
… species on and off the catalytic cycle. Detailed spectroscopic data was used to propose the structures of these catalytically inactive fragmentation complexes, namely [RhH<sub>2</sub>(η<sup>4</sup>-et,ph-P4)]<sup>+</sup>, 10, and …
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Chemical and biological evaluation of palythoa tuberculosa collected from the red sea
… on the basis of their 1D and 2D NMR and MS spectroscopic data. Palysterols B and G demonstrated cytotoxic activity on three human cancer cell lines (MCF-7, HeLa, and HT- 29). Palysterol G, in particular, was able to induce apoptosis in breast adenocarcinoma(MCF-7) cells
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Chiral molybdenum and tungsten imido alkylidene complexes as catalysts for asymmetric ring-closing metathesis (ARCM)
… and Biad) is reported. -- Chapter 3. The 1H NMR spectroscopic data for molybdenum(VI) imido alkylidene biphenoxide complexes prepared in Chapter 2 are presented. -- Chapter 4. The application of catalysts prepared in Chapter 2 in asymmetric ring-closing metathesis (ARCM) is described. -- Chapter …
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Approaches Towards a Total Synthesis of Daphenylline
… is given. Experimental procedures and spectroscopic data are provided for all new compounds.
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ΜΕΛΕΤΗ ΑΝΤΙΔΡΑΣΕΩΝ ΠΡΟΣΘΗΚΗΣ ΠΥΡΑΖΟΛΙΚΩΝ ΣΥΣΤΗΜΑΤΩΝ ΜΕ 1, 3-ΔΙΠΟΛΑ ΚΑΙ ΚΕΤΕΝΕΣ
… COMPOUNDS WAS ELUCIDATED ON THE BASIS OF THEIR SPECTROSCOPIC DATA (I.V., N.M.V., M.S) AND IN SOME CASES FROM CRYSTALLOGRAPHIC X-RAY ANALYSIS.
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Synthesis and Reactivity of Iso- and Hetero-Polyoxotungstates Containing Organic Subunits
… were isolated as pure crystalline solids. The spectroscopic data is consistent with all these anions being isostructural. The relative thermal stabilities of these compounds in CD$\sb3$CN solution were examined by measuring their $\sp1$H NMR spectra under several different conditions.
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Synthesis of Novel Cyclobutane Nucleoside Analogues
… and the geometric configuration was confirmed by spectroscopic data and X-ray diffraction. Photolysis of N-7 and N-9 coupled ketones was carried out in methanol using quartz tubes to promote ring-expansion isonucleoside products. Photolysis did not yield any ring-expansion or cycloelimination …
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Chemical investigation of Dicranum fulvum for anticancer activity
… compounds were identified by comparisons of spectroscopic data with those of authentic samples and the matching of experimental and literature melting points and optical rotations.
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Evaluation of the theta pinch as a sampling and excitation source for elemental analysis of solid refractory materials
… was constructed and characterized for obtaining spectroscopic data, and is discussed in detail.
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High Resolution Spectra of Carbon Monoxide, Propane and Ammonia for Atmospheric Remote Sensing
… is a critical tool for analyzing atmospheric data. Identification of atmospheric parameters such as temperature, pressure and the existence and concentrations of constituent gases via remote sensing techniques are only possible with spectroscopic data. These form the basis of model atmospheres …
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Spectroscopic and thermodynamic studies of supercritical fluid solutions containing a cosolvent
… between cosolvents and solutes, we present spectroscopic data that suggest that these interactions may be more subtle. Specifically, fluorescence and absorption spectroscopy have been used to study structure-specific probe molecules (2-naphthol, 5-cyano-2-naphthol, and 7-azaindole) in the …
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Investigation of membrane permeation using ATR-FTIR spectroscopic imaging and multivariate target factor analysis
… transform (ATR-FTIR) spectroscopy and ATR-FTIR spectroscopic imaging was used for the in vitro monitoring of the mechanisms of drug permeation and the effects of penetration enhancers on silicone membrane and human stratum corneum (SC). Simulated spectroscopic imaging data sets were used to …
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Iron-mediated Synthesis of the Antiostatins
… A1 to A4 and B2 to B5, were established. Spectroscopic data of the synthesised natural products are in good agreement with the isolated antiostatins from Streptomyces cyaneus 2007-SV1, which confirms the molecular structures assigned to the natural products. The total synthesis of the …
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