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Vacuum ultraviolet absorption studies of model sugar compounds

Creator:

Dickinson, Helen Rose

Abstract:

Vacuum ultraviolet absorption spectra of 13 model sugar compounds were measured in the energy range of 50 to 80 kK. The model sugars included three simple alcohols, four simple ethers, four cyclic alcohol-ether compounds, and two dioxanes. All spectra show transition bands in the energy region 50 to 65 kK....

Resource Type:

Dissertation
Interpreting the circular dichroism of cyclic dimers of amino acids

Creator:

Bowman, Richard Leroy

Abstract:

Independent systems theory has been used to interpret the circular dichroism (CD) spectra in the vacuum uv of three cyclic dimers of amino acids. First, the theory for rotational strengths is developed in terms of degenerate and nondegenerate group functions. All terms to first order in perturbation theory are kept....

Resource Type:

Dissertation
A double-stranded secondary structure for hyaluronic acid in aqueous-organic solvent as revealed by vacuum ultraviolet circular dichroism

Creator:

Staskus, Paul

Abstract:

The association of hyaluronic acid (HA) into a double stranded structure has been investigated by circular dichroism (CD) spectroscopy into the vacuum ultraviolet region. The CD of HA changes dramatically, monitoring a cooperative transition as the dielectric constant of an aqueous solution is reduced by adding organic solvents. This structural...

Resource Type:

Dissertation
Circular dichroism spectroscopy and the conformational analysis of globular proteins in the native and denatured state

Creator:

Compton, Larry A.

Abstract:

A simple matrix method for the analysis of protein circular dichroism (CD) spectra is presented and used to compute the secondary structure of globular proteins in their native and denatured states. The method uses singular value decomposition and generalized inverse algorithms, and a basis set of CD spectra for proteins...

Resource Type:

Dissertation