Index Catalog // ScholarsArchive@OSU

Coulomb Explosion in Moderately Intense Nanosecond Laser Fields

Creator:: Yao, Yuzhong
Abstract:: In this dissertation, I present experimental observations of multiply charged atomic ions (MCAI) generated from interactions of atomic/molecular clusters with moderately intense nanosecond laser pulses. This process is also known as Coulomb explosion (CE) and it has been extensively studied in intense laser fields using ultrashort pulses. Several prevailing theories...
Resource Type:: Dissertation

Electron Diffraction of Neutral and Cationic Clusters Doped into Superfluid Helium Droplets

Creator:: Lei, Lei
Abstract:: In this dissertation, I describe the experimental investigation of electron diffraction of neutral and ionic clusters doped into superfluid helium droplets. The project is aimed at contributing to the development of an overall approach called ‘serial single molecule electron diffraction imaging (ss-EDI), a potential approach to solve macromolecule structures bypassing...
Resource Type:: Dissertation

Effects of pH and organic solvents on superfolder green fluorescent protein

Creator:: Bravo, Kali J.
Abstract:: There is no shortage of challenges in modern science, including the task of obtaining high resolution images of biomolecular structures, such as proteins. Current atomic-resolution structure determination methods include x-ray crystallography and nuclear magnetic resonance (NMR), which present issues like protein crystallization and loss of resolution with increasing size. Dr....
Resource Type:: Honors College Thesis

Stability of Super Folder Green Fluorescent Protein Under Varying Organic Solvent and Temperature Conditions

Creator:: Ho, Lylan
Abstract:: Obtaining high-resolution structures of biological macromolecules has become one of the biggest challenges in the scientific world. Dr. Wei Kong’s lab is currently working to overcome the limitations of current structure resolution techniques, such as x-ray crystallography and nuclear magnetic resonance spectroscopy. Kong’s group hopes to develop a new protein...
Resource Type:: Honors College Thesis

Properties of Large Superfluid Helium Droplets

Creator:: Alghamdi, Maha
Abstract:: In this dissertation, I describe the experimental investigation of large superfluid helium droplets. The goal and direction of this thesis is to facilitate the use of these droplets as part of our project ss-EDI. The overall scheme of ss-EDI is to dope proteins inside helium droplets and collect a diffraction...
Resource Type:: Dissertation

Electron diffraction of molecules in superfluid helium droplets

Creator:: He, Yunteng
Abstract:: In this dissertation, I describe the experimental investigation in electron diffraction of molecules in superfluid helium droplets. The project is part of an overall scheme called ‘single molecule serial electron diffraction imaging’ (SS-EDI), with the ultimate goal of building an apparatus to determine atomic structures from oriented macromolecules. In SS-EDI,...
Resource Type:: Dissertation

Catching Ions in Superfluid Helium Droplets

Creator:: Chen, Lei
Abstract:: In this dissertation, I describe the experimental investigation of catching ions in superfluid helium droplets. The ultimate goal of our project is to build a coherent electron diffraction apparatus for atomic structure determination from oriented single macromolecules. This involves generating protein ions from electrospray ionization (ESI) and doping them in...
Resource Type:: Dissertation

Theoretical study of beryllium borohydride Be(BH₄)₂

Creator:: Alghamdi, Maha D.
Abstract:: Ab initio calculations using the B3LYP and CCSD(T) methods were employed in this work to explore the most stable structure of the intriguing compound Be(BH₄)₂, for which as many as seven different structures have been proposed in the literature. Use of the B3LYP density functional method with several large basis...
Resource Type:: Masters Thesis

Photochemistry of molecules oriented with a uniform electric field

Creator:: Castle, Karen J.
Resource Type:: Dissertation

Threshold ionization spectroscopy of metal clusters and metal-ligand complexes

Creator:: Peng, Xianzhao
Abstract:: In this dissertation, we describe a spectroscopic study of metal clusters and metal-ligand complexes using pulsed field ionization zero kinetic energy (PFI-ZEKE) photoelectron spectroscopy and mass analyzed threshold ionization (MATI) spectroscopy. Vibrational resolved spectra of sodium dimer, Na•NH₃, Na•(NH₃)₂ are presented. These spectra provide a direct measurement of the ionization...
Resource Type:: Dissertation

ScholarsArchive@OSU

Coulomb Explosion in Moderately Intense Nanosecond Laser Fields

Electron Diffraction of Neutral and Cationic Clusters Doped into Superfluid Helium Droplets

Effects of pH and organic solvents on superfolder green fluorescent protein

Stability of Super Folder Green Fluorescent Protein Under Varying Organic Solvent and Temperature Conditions

Properties of Large Superfluid Helium Droplets

Electron diffraction of molecules in superfluid helium droplets

Catching Ions in Superfluid Helium Droplets

Theoretical study of beryllium borohydride Be(BH₄)₂

Photochemistry of molecules oriented with a uniform electric field

Threshold ionization spectroscopy of metal clusters and metal-ligand complexes

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