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 7 of 7 for “"action spectroscopy"”.
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Sensitive and high-precision rovibrational spectroscopy of molecular ions relevant to astronomical and quantum chemistry
High-precision spectroscopy of molecular ions has enabled new discoveries in astronomy and provided valuable benchmarks for ab initio calculations of molecular structure. Astronomers and theorists require accurate and precise laboratory measurements of rotational and rovibrational transition …
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Noncovalent Interactions Between Alkali Metal Cation And Aza/thia-Crown Macrocycles: Mass Spectrometric Techniques And Theoretical Studies
… of cation-aza-crown and thia-crown ether interactions with alkali metal cations. Infrared multiple photon dissociation (IRMPD) action spectroscopy and energy-resolved collision-induced dissociation (CID) techniques were used in conjunction with theoretical electronic structure calculations to …
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Development of an electrospary ionization source and vacuum interface for guided ion beam tandem mass spectrometry experiments: structural and energetic effects in the molecular recognition of amino acids by 18-crown-6
… coworkers is overestimated. </p> <p>The IRMPD action spectroscopy of (B)H+(18C6) complexes are examined using a FT-ICR MS coupled to a free electron laser. The structural information elucidated here supports the experimental measurements of the absolute 18C6 binding affinities of the basic …
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On the Chemistry of Molecules Containing Silicon, Phosphorus, and Sulfur in the Interstellar Medium
… elements will also be useful to reveal ionic reaction pathways producing relevant prebiotic species. The reactivity of these ions has been studied by means of the Guided Ion Beam technique, with apparatuses available both at the University of Trento and the SOLEIL synchrotron (France), at the …
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Theoretical And Experimental Studies Of Noncovalent Metal Cation Binding And Base Pairing Interactions Of Cytosine And Modified Cytosines
… METAL CATION BINDING AND BASE PARING INTERACTIONS OF CYTOSINE AND MODIFIED CYTOSINES</p> <p>by</p> <p>BO YANG</p> <p>December 2014</p> <p>Advisor: Professor Mary T. Rodgers</p> <p>Major: Analytical Chemistry</p> <p>Degree: Doctor of Philosophy</p> <p>Binding of metal cations to the …
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Studies Toward A Detailed Understanding Of The Intrinsic Properties Of Nucleic Acid Constituents: Gas-Phase Conformations, Energetics, And Glycosidic Bond Stability
… by infrared multiple photon dissociation (IRMPD) action spectroscopy and theoretical calculations. The IRMPD spectroscopy experiments were performed using a Fourier transform ion cyclotron resonance mass spectrometer (FT-ICR MS) coupled to a free electron laser or a OPO/OPA laser system to measure …
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Charge and temperature effects on biomolecule hydration: an experimental and computational investigation
The focus of this dissertation is on the role of charge and temperature on the structure of hydrated cluster ions. This is investigated using a combination of infrared photodissociation (IRPD) spectra and geometry and frequency calculations. The particular cluster ions examined here include …