Index Catalog // ScholarsArchive@OSU

Development of a colorimetric test kit to determine enzymatically produced pyruvic acid in sweet onions

Creator:: Merrill, Dawn C.
Abstract:: Sweet onions are valued for their unique flavor and praised for their health and dietary character. Onion sweetness is perceived as the degree of pungency decreases. Pungency can be quantitatively determined in onions by measuring enzymatically produced pyruvic acid. The onion industry quantifies a sweet onion as one having a...
Resource Type:: Undergraduate Thesis and Presentation

Physicochemical properties of Alaska pollock surimi as affected by salinity and freeze-thaw cycles

Creator:: Kang, Ey Jung
Abstract:: The effects of the residual salt of surimi on biochemical and physical properties as affected by various freeze and thaw cycles were examined. Fresh Alaska pollock (Theragra chalcogramma) surimi was mixed with 4.0% sugar, and 5.0% sorbitol, along with eight combinations of salt (0.4, 0.6, 0.8, and 1.0 % NaCl)...
Resource Type:: Masters Thesis
Full Text:: . Michael H. Penner and Dr. Joseph R. Zaworski for taking the time to serve as my committee members and

Wheat flour arabinoxylans in soft wheat end-use quality

Creator:: Asawaprecha, Sunida
Abstract:: Little is known about the effects of arabinoxylans (AX) on noodle quality. The aim of this study was to observe interrelationships between wheat flour AX, SRC tests, and noodle quality attributes, and to investigate the use of SRCs to predict cookie diameter. Cookie diameter is the most common index of...
Resource Type:: Masters Thesis
Full Text:: part of this project. Thank you to my graduate committee, Dr. Michael H. Penner, Dr. C. James

Characterization by optical methods of the heat denaturation of bovine serum albumin (BSA) as affected by protein concentration, pH, ionic strength and sugar concentration

Creator:: Kongraksawech, Teepakorn
Abstract:: The thermal denaturation of proteins has been extensively studied using several methods including differential scanning calorimetry (DSC). A custom-built optical system was used to study thermal effects on protein as an alternative method to DSC measurements. It was used to investigate the thermal stability of bovine serum albumin (BSA) with...
Resource Type:: Masters Thesis
Full Text:: papers. Also I would like to thank Dr. Yi-Cheng Su, Dr. Michael Penner and Dr. Maret Traber for being

Experimental approach for the determination of lignin modification by manganese peroxidase

Creator:: Goby, Jeffrey D.
Abstract:: Degradation of lignin to simpler compounds is desirable for removing residual lignin during paper manufacture and accessing biomass carbohydrates for biofuel production, among other purposes. Lignin transformation using enzymes found in white rot fungi, some of nature's most efficient lignin-degrading organisms, offers a more environmentally benign, selective, and possibly less...
Resource Type:: Masters Thesis
Full Text:: author expresses sincere appreciation to his advisors, Christine Kelly and Michael Penner, and the

Foam enhancing properties of hop bitter acids and propylene glycol alginate

Creator:: Kunimune, Takeshi
Abstract:: The following two projects have been carried out to clarify the impact of these foam stabilizers, and to compare their foam stabilizing power to one another as well as the cling ability. The first project investigated the impacts of four commercially available hop- derived foam stabilizers; iso-alpha-acid (Iso), rho(dyhydro)-iso-alpha-acid (Rho),...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Thomas H. Shellhammer The following two projects have been

Bacterial inhibition by electrolyzed oxidizing water and application to disinfection of sprout seeds

Creator:: Stan, Silvia D.
Abstract:: Alfalfa sprouts have been implicated in several salmonellosis outbreaks in recent years. Electrolysis of a NaCl solution generates, in the anode side of a two-chamber electrolyzer, acidic electrolyzed oxidizing (EO) water which contains Cl₂, HOC1, dissolved oxygen, and it is characterized by a low pH and a high oxidation reduction...
Resource Type:: Dissertation
Full Text:: . Michael H. Penner, Dr. Lynda M. Ciuffetti, and Dr. Mahfuzur R. Sarker, for their support, and interest

Characterization of Vibrio parahaemolyticus isolated from Oregon and Washington coastal water and development of improved methods for Vibrio parahaemolyticus detection

Creator:: Duan, Jingyun
Abstract:: Distribution of Vibrio parahaemolyticus in Oregon and Washington oystergrowing areas was studied between November 2002 and October 2003. V. parahaemolyticus was detected in 14.3% of oyster, 23.0% of seawater, and 44.4% of sediment samples with very low levels (≤7.4 MPN/g) of pathogenic strains being detected in oysters. Occurrence of V....
Resource Type:: Dissertation
Full Text:: . Mark A. Daeschel, Dr. Michael H. Penner, and Dr. Charles D. Boyer, for their advice and kindly help

Synthesis of novel ambifunctional atropisomeric 2,2',6,6'-tetrasubstituted biphenyls and investigation of their properties and organocatalytic activity

Creator:: Sephton, Mark Alan
Abstract:: Ambifunctional axially chiral 2,2',6,6'-tetrasubstituted biphenyls containing nucleophilic (or basic) functional groups juxtaposed with hydrogen-bond donors were synthesized and their properties studied. Applications for the prepared biaryls as potential organocatalysts for enantioselective carbon-carbon bond forming reactions were examined. Processes investigated included: aldol, Michael, nitroaldol (Henry), and Baylis-Hillman reactions. The novel amidoamine...
Resource Type:: Dissertation
Full Text:: achieved by a chiral enamine catalyzed asymmetric Michael reaction (Scheme 1.12). 132 O NH2 H Ph

Nisin adsorption and function at hydrophobic surfaces coated with the poly[ethylene oxide]-poly[propylene oxide]-poly[ethylene oxide] triblock surfactant Pluronic® F108

Creator:: Tai, Yuan-Ching
Abstract:: The adsorption and elution of the antimicrobial peptide nisin at hydrophobic, silanized silica surfaces coated with the poly[ethylene oxide]-poly[propylene oxide]- poly[ethylene oxide] surfactant Pluronic® F108 was measured in situ, with ellipsometry. While such layers are known to inhibit protein adsorption, nisin was observed to adsorb in multilayer quantities, to an...
Resource Type:: Dissertation
Full Text:: , Dr. Jill Parker of the College of Veterinary Medicine, and Dr. Michael Penner in the Department of

ScholarsArchive@OSU

Development of a colorimetric test kit to determine enzymatically produced pyruvic acid in sweet onions

Physicochemical properties of Alaska pollock surimi as affected by salinity and freeze-thaw cycles

Wheat flour arabinoxylans in soft wheat end-use quality

Characterization by optical methods of the heat denaturation of bovine serum albumin (BSA) as affected by protein concentration, pH, ionic strength and sugar concentration

Experimental approach for the determination of lignin modification by manganese peroxidase

Foam enhancing properties of hop bitter acids and propylene glycol alginate

Bacterial inhibition by electrolyzed oxidizing water and application to disinfection of sprout seeds

Characterization of Vibrio parahaemolyticus isolated from Oregon and Washington coastal water and development of improved methods for Vibrio parahaemolyticus detection

Synthesis of novel ambifunctional atropisomeric 2,2',6,6'-tetrasubstituted biphenyls and investigation of their properties and organocatalytic activity

Nisin adsorption and function at hydrophobic surfaces coated with the poly[ethylene oxide]-poly[propylene oxide]-poly[ethylene oxide] triblock surfactant Pluronic® F108

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