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 9 of 9 for “"Laser ionization"”.
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Microwave Triggered Laser Ionization of Air
… power electromagnetic wave interaction with a laser-induced plasma (LIP) have been investigated. The laser-induced breakdown processes in air generated by focusing a 600 mJ, 7 ns pulselength, 1064 nm wavelength Nd:YAG laser onto a 30 μm spot size at an atmospheric pressure of 631 Torr are …
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Development of a laser ionization test bench for radioactive ion beams
… aims to develop the technique for selective laser ionization of atoms and the role it can play in the production of radioactive ion beams. The theory of the production of radioactive ion beams and resonant laser ionization using different techniques will be discussed. Furthermore, the Isotope …
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Laser-Ionization Time-of-Flight Mass Spectrometry of High Molecular Mass Inorganic Complexes
Laser-Ionization Time-of-Flight Mass Spectrometry (LI-TOF-MS) is a sophisticated tool for the molecular-weight determination and structural characterization of a variety of molecules. Advances in instrumentation and ionization methods have recently expanded its role in the analysis of high-mass …
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The mass of 22^Mg and a concept for a novel laser ion source trap
… be prepared by combining ion trap and resonance laser ionization techniques. A feasibility study for such a laser ion source trap has been carried out which shows enormous improvement in the beam emittance, purity, and in addition allows for a variation of the ion beam time structure. Direct …
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An Improved Method for the Fracture Cleavage Testing of Adhesively-Bonded Wood
… analyzable. The surface analysis techniques of laser ionization mass analysis, solid-state nuclear magnetic resonance and field emission scanning electron microscopy were used to investigate the locus of failure for the smooth fractured surfaces.
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Rapid methods for bacterial identification and predicting antibiotic resistance by MALDI-TOF MS
… identification. The use of matrix assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) as a high throughput, cost-effective alternative to conventional methods in clinical diagnostics has been the basis for a large portion of these. Current techniques for …
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Prostate Specific Membrane Antigen (PSMA): Immunoassay Development and Characterization of Transcriptional Regulation
… androgen deprivation therapy. Surface Enhanced Laser Ionization/Desorption (SELDI) ProteinChip® mass spectrometry was used for the first aim. A baculovirus recombinant PSMA was generated, purified and characterized. After the SELDI immunoassay conditions were optimized, a standard curve was …
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Autodocking Studies of Oxygenated Fullerenes as Inhibitors of The HIV Protease
… analysis and by SALI (surface analysis by laser ionization). Some of these compounds, especially a batch, SK-5, a mixture of C60O1-8, were shown to inhibit activities of HIV-Protease with IC50 (concentration for 50% inhibition) of 1 mg/mol in the in-vitro studies. The oxygenated fullerenes …
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Vizualizace proudění kryogenního helia metodou laserově indukované fluorescence
Práce vyhodnocuje použitelnost metody laserově indukované fluorescence (LIF) pro zobrazení proudění kryogenního helia při experimentálním studiu Rayleighovy-Bénardovy konvekce, které probíhá v Ústavu přístrojové techniky (ÚPT) v Brně v laboratořích Skupiny kryogeniky a supravodivosti. Jako …