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  • Preparation and modification of cellooligosaccharides

    Creator:
    Akpinar, Ozlem
    Abstract:
    Cellooligosaccharides are the reaction intermediates produced during the hydrolysis of cellulose to glucose. Hence, they have the same chemical structure as cellulose, just shorter chain lengths. Cellooligosaccharides up to DP eight are soluble in water. The soluble cellooligosaccharides can be used "as is" in the food industry as non-digestible oligosaccharides...
    Resource Type:
    Dissertation
    Full Text:
    Doctor of Philosophy in Food Science and Technology presented on September 5. 2002. Title: Preparation

  • Separation and detection of cellooligosaccharides on cellulose thin-layer chromatography

    Creator:
    Sookavatana, Narumon
    Abstract:
    Linear oligosacchardies of 1,4 linked β-D-glucopyranose are commonly referred to as cellodextrins (CD) or cellooligosaccharides (CO). They are of interest to those working in disciplines involving cellulose chemistry because they are often used as model substrates for cellulose itself. They are of interest to food scientists and nutritionists because they...
    Resource Type:
    Masters Thesis
    Full Text:
    degree of Master of Science in Food Science and Technology presented on June 11 2001. Title

  • Second Derivative Excitation Emission Resolution (SEC DEER) Spectroscopy

    Creator:
    Rosene, Benjamin L.
    Abstract:
    Fluorescence spectroscopy is a powerful analytical technique due to bright signals that provide excellent measurement sensitivity. Many colors of fluorescent dyes are available to match the detection ranges of different equipments. Dyes can be chemically modified to bind to many different target analytes with high specificity1. Alternatively, sensors can be...
    Resource Type:
    Honors College Thesis
    Full Text:
    : _____________________________________________________________________ Sean M. Burrows, Mentor, representing Department of Chemistry

  • Photoresist and ion-exchange chemistry of HafSOx

    Creator:
    Telecky, Alan J.
    Abstract:
    The chemistry of hafnium oxide based and materials are described in the context of ion exchange and lithography. HafSOx, represented by the composition HfO₂₋[subscript x](SO₄)x, is described to possess a significant capacity towards ion exchange in acidic and basic solutions, enabling films of HafSOx to be cleanly and readily be...
    Resource Type:
    Dissertation
    Full Text:
    ABSTRACT OF THE DISSERTATION OF Alan J. Telecky for the degree of Doctor of Philosophy in Chemistry

  • Effect of chemical composition on textural quality of red wine

    Creator:
    Ntuli, Richard Gondai
    Abstract:
    Red wine texture is a particularly important property of overall red wine quality whose origin is not well understood. The overall goal of this study was to improve our understanding of how chemical composition influences red wine texture. Unlike previous studies that have used model systems to investigate how chemical...
    Resource Type:
    Masters Thesis

  • Sensory changes in high pressure processed vs. heat processed food systems over time

    Creator:
    Rodakowski, Andrea M.
    Abstract:
    This study was undertaken to determine the sensory differences in high pressure vs. heat processed food systems after storage at ambient and refrigerated temperatures as determined by a trained sensory panel. Spanish rice and spaghetti with meat sauce were prepared and treated with heat and with high pressure processing (HHP)....
    Resource Type:
    Masters Thesis
    Full Text:
    degree of Master of Science in Food Science and Technology presented on February 23, 1999. Title

  • A Comprehensive Evaluation of the Nonvolatile Chemistry Affecting the Sensory Bitterness Intensity of Highly Hopped Beers

    Creator:
    Hahn, Christina
    Abstract:
    The range of different nonvolatile constituents extracted from hops in highly hopped beers suggests that iso-alpha acids may not be the sole contributor to beers’ bitterness. Among brewers producing hop-forward beer styles there is a growing concern that the Bitterness Unit (BU) is no longer an accurate predictor of beer...
    Resource Type:
    Masters Thesis
    Full Text:
    This chapter will be submitted to the Journal of Agriculture and Food Chemistry (JAFC) with the

  • The effect of wine matrix on the analysis of volatile sulfur compounds by solid-phase microextraction-GC-PFPD

    Creator:
    Davis, Peter M.
    Abstract:
    Constituents of the wine matrix, including ethanol, affect adsorption of sulfur volatiles on solid-phase microextraction (SPME) fibers, which can impact sensitivity and accuracy of volatile sulfur analysis in wine. Several common wine sulfur volatiles, including hydrogen sulfide (H2S), methanethiol (MeSH), dimethyl sulfide (DMS), dimethyl disulfide (DMDS), dimethyl trisulfide (DMTS), diethyl...
    Resource Type:
    Masters Thesis
    Full Text:
    OF THE THESIS OF Peter M. Davis for the degree of Master of Science in Food Science and

  • Advancement of Passive Sampling Applications for Assessing Contaminant Transport, Bioaccumulation, and Toxicity

    Creator:
    Minick, David J.
    Abstract:
    In the environment, it is the unbound fraction of chemical (Cfree) which is able to diffuse across environmental interfaces and biological membranes. It is therefore Cfree which drives many important biological-environmental processes including contaminant transport, bioaccumulation and toxicity. Passive sampling devices (PSDs) offer a simplified and more accurate approach for...
    Resource Type:
    Dissertation
    Full Text:
    . Kim Anderson. The opportunity to be part of the Food Safety and Environmental Stewardship (FSES) Lab

  • Precursor Chemistry and Film Structure and Properties via Solution Deposition

    Creator:
    Huang, Yu
    Abstract:
    Chemistry of preparing dense film from solution deposition is explored with several cases in this thesis. Surface dense structure, conversion at melting point, and ion exchange in aqueous solution are the main topics covered here for the thin films of aluminum oxide phosphate and tin dioxide. Thin film density, optical...
    Resource Type:
    Dissertation
    Full Text:
    the degree of Doctor of Philosophy in Chemistry presented on June 13th, 2017. Title: Precursor