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 73 for “"heteronuclear"”.
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Structure and bonding: The synthesis and characterization of heteronuclear clusters
The reaction of $\rm NaAsO\sb2, TeO\sb2$, and $\rm SeO\sb2$ with methanolic solutions of KOH and $\rm Fe(CO)\sb5$ produces the isoelectronic clusters ($\rm HAs\{Fe(CO)\sb4\}\sb3\rbrack\sp{2-}, \lbrack Te\{Fe(CO)\sb4\}\sb3\rbrack\sp{2-}$, and $\rm \lbrack Se\{Fe(CO)\sb4\}\sb3\rbrack\sp{2-}$. The …
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Determination of the Relative Signs of Heteronuclear Coupling Constants by Nuclear Magnetic Double Resonance
Made available in DSpace on 2014-12-09T17:35:39Z (GMT). No. of bitstreams: 1 6706594.pdf: 3531833 bytes, checksum: a1e8c07e6157af7298585e8af4bd4c05 (MD5) Previous issue date: 1966
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Complex, non-native heteronuclear metal centers designed in cytochrome c peroxidase: Expanding the limits of biosynthetic modeling
Made available in DSpace on 2019-02-07T20:44:07Z (GMT). No. of bitstreams: 19 MIRTS-DISSERTATION-2018.pdf: 9903869 bytes, checksum: fe284a4efb732c6dc2261e44d5f1f1dc (MD5) 1-Rightslink by Copyright Clearance Center.pdf: 98582 bytes, checksum: 7d88fb171a37ad188eaccd5c88b44354 (MD5) 10-RightsLink …
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Heteronuclear trimetallic polyazine complexes of iridium (III) or rhodium (III) as electrocatalysts for the reduction of CO2
The research investigations involved in this thesis were focused on the development of multimetallic systems to function as electrocatalysts for the reduction of CO₂.
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The application of nuclear magnetic resonance in the structural elucidation of natural products
… correlation as well as short and long range heteronuclear correlation was investigated. The homonuclear Correlation Spectroscopy (COSY) experiment which revealed scalar 1H-1H scalar correlations was adequate for the structural assignment. The Heteronuclear Multiple Quantum Coherence (HMQC) …
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Characterization of Alumina-Supported Molybdenum-Iridium Clusters (x-Ray, Spectroscopy)
Heteronuclear organometallic compounds have recently gained attention as precursors in heterogeneous catalysis. They have the potential of controlling surface metal particle size and stoichiometry. This may allow one to more efficiently study the role of components in heterogenous catalysts and …
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Experimental Studies of LiRb: Spectroscopy and Ultracold Molecule Formation by Photoassociation
<p>Heteronuclear polar molecules have recently attracted enormous attention owing to their ground state having a large electric dipole moment. The long range anisotropic dipole-dipole interaction in such systems is the basis for a variety of applications including quantum computing, precision …
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Solid-State Magic-Angle Spinning NMR Methods for Tensor Measurements and Protein Structure Refinement Using Chemical Shift Tensors
… highly-13C,15N-enriched solid proteins using 2D heteronuclear correlation at 750 MHz 1H frequencies, rotational resonance (R2) lineshape analysis, and distance information using the REDOR and TEDOR heteronuclear dipolar recoupling pulse sequences. Data from these experiments reveals important …
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Magic angle spinning NMR applied to membrane protein 2D crystals : the structure and function of VDAC
… for measuring long-range homonuclear and heteronuclear restraints at high magnetic field strengths and spinning frequencies. We also describe precise 13C-33C distance measurements used to define a protein hydrophobic core. Novel methods for processing nonuniform sampling are presented as …
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Iodine-Monofluoride (If) Emission Spectrum and Formation Kinetics in Electron Beam Produced Plasmas
… blue-green fluorescence attributed to the heteronuclear interhalogen iodine-monofluoride (IF). Analysis of the observed IF emission spectrum has shown that it is most likely due to E (--->) A('3)(PI)(,1) transitions of this molecule. Fluorescence decay measurements indicate that the …
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Σύνθεση αναλόγων των κανναβινοειδών CBD, CBN, CBG, CBC και έλεγχος της δράσης τους στο κανάλι TRPΑ1
… καθώς και οι ετεροπυρηνικές τεχνικές HSQC (Heteronuclear Single Quantum Coherence) σε συνδυασμό με πειράματα DEPT (Distortionless Enhancement by Polarization Transfer), για τη διακριτή συσχέτιση των διαφόρων τύπων άνθρακα. Επιπλέον, εφαρμόστηκε η τεχνική HMBC (Heteronuclear Multiple Bond …
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Structure and dynamics of plant cell walls and membrane peptides from solid-state NMR
… between membranes and peptides. By measuring heteronuclear correlation spectra and proton relaxation times, we determined the localization of the Influenza M2 peptide in distinctly curved membrane domains. Using a rigid-solid heteronuclear correlation experiment, we were able to determine the …
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Palladium- and nickel-catalyzed C-N cross-coupling reactions featuring soluble organic bases
… functional groups. Additionally, insightful heteronuclear NMR studies using ⁻¹⁵N-labeled amine complexes provide evidence for the key acidifying effect of the cationic palladium center.
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The development of inorganic dyes for the application of photocatalytic CO2 reduction
… 3 with the development of homonuclear and heteronuclear supramolecular complexes containing ruthenium and rhenium metal centers using the “complexes as metals / complexes as ligands” approach. A range of ‘azole’ type bridging ligands 3,5-bis(pyridin-2-yl)-1,2,4-triazole (Hbpt), …
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Recombinant expression, purification and structural characterization of aspergillus niger ring finger domain using nuclear magnetic resonance spectroscopy
… structure of the human RING finger domain using heteronuclear NMR spectroscopy. A bioinformatics analysis using the human RING finger from RBBP6 as searching bait revealed an unchanged zinc ion coordination pattern in all organisms except in three organisms: Saccharomyces cerevisiae, Pichia …
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Chemical and spectroscopic studies of the capsular polysaccharides of some Klebsiella serotypes
… spectrometers and the application of homo- and heteronuclear shift correlated spectroscopy, the sequence of sugar units being confirmed by mass spectrometric analysis of the permethylated derivatives. Methylation analysis of the oligosaccharides derived from Klebsiella serotype K36 proved that …
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Ultracold molecules from ultracold atoms : interactions in sodium and lithium gas
… homonuclear Na 2 and Li 2 molecules, as well as heteronuclear NaLi resonances, although we were unable to isolate and measure NaLi molecules. Furthermore, experiments and theories related to strongly-correlated quantum phases such as Stoner model ferromagnetism, Bose mediated Fermi interactions, …
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Probing nonlocal correlations with ultralong-range Rydberg molecules
… thermal gases, and the second on the creation of heteronuclear ultralong-range Rydberg molecules from a strongly interacting Bose mixture of $^{88}$Sr and $^{84}$Sr. Finally, we will present conclusions and a brief outlook for the future experiments utilizing this method.
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Analysis of polymeric extractives of Western Juniper (Juniperus occidentalis) heartwood
… spectroscopy and 2D HMBC NMR (two dimensional Heteronuclear Multiple Bond Correlation) show that this is a heterogeneous polymeric material which reveals three long-range correlations. A long range labelled carbonyl correlation at around δ = 6.00 ppm corresponding to α-proton of β-O-4 type …
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