Index Catalog // ScholarsArchive@OSU

Magnetic properties of an analog compound for cytochrome P-450

Creator:: McCann, Steven Wayne
Abstract:: This thesis describes a Mossbauer effect and electron paramagnetic resonance study of iron (III) tetraphenylporphyrinatobenzenethiolate benzene thiol, an analog compound for bacterial cytochrome P-450. The compound is unusual in that it provides a model for the two ferric reaction states of cytochrome P-450. The iron in the model compound exhibits...
Resource Type:: Dissertation
Full Text:: P-450 AN ABSTRACT OF THE THESIS OF STEVEN WAYNE MCCANN for the degree of DOCTOR OF PHILOSOPHY in

Differential sensitivity of two common groundsel biotypes (Senecio vulgaris L.) to several s-triazine herbicides

Creator:: Radosevich, Steven R.
Abstract:: Studies were initiated to determine the response of two common groundsel biotypes (Senecio vulgaris L. ) to several s-triazine herbicides. Herbicides tested were: 2-chloro-4,6-bis(ethylamino)-striazine (simazine), 2-chloro-4-(ethylamino)-6-(isopropylamino)- s-triazine (atrazine) 2-(sec-butylamino)-4-(ethylamino)-6-methoxys- triazine (GS-14254), 2, 4-bis(isopropylamino)-6-methoxy-striazine (prometone), 2-(tert-butylamino)-4-(ethylamino)-6-methylthio- s-triazine (terbutryn), and 2, 4-bis(isopropylamino)-6- methylthio-s-triazine (prometryne). One biotype was much more susceptible than the...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF STEVEN ROBERT RADOSEVICH for

Manipulation of assimilate transport patterns as a method of studying glyphosate translocation in tall morningglory [Ipomoea purpurea (L.) Roth]

Creator:: Dewey, Steven A.
Resource Type:: Dissertation
Full Text:: OF THE THESIS OF Steven A. Dewey for the degree of Doctor of Philosophy in Crop Science presented

Stimulation of plant growth by sub-lethal concentrations of herbicides

Creator:: Wiedman, Steven John
Abstract:: Studies were conducted to determine the extent and nature of sub-lethal effects of herbicides on plant growth. At least one herbicide from each major chemical class of herbicides was evaluated under greenhouse conditions. Oat plants were grown in sand culture to eliminate soil interferences. Herbicides were applied pre-emergence in nutrient...
Resource Type:: Dissertation
Full Text:: of herbicides AN ABSTRACT OF THE THESIS OF STEVEN JOHN WIEDMAN for the DOCTOR OF PHILOSOPHY (Name

Student nonverbal behavior and frustration in individual test conditions

Creator:: Roberts, Robert Steven
Abstract:: The goal of the study was to investigate the relationship between nonverbal behaviors and frustration. As a part of the study an instrument for the observation of nonverbal behaviors related to frustration was developed. The specific hypotheses investigated in this study were the following: Hypothesis One - A valid and...
Resource Type:: Dissertation
Full Text:: Test Conditions AN ABSTRACT OF THE THESIS OF Robert Steven Roberts for the degree of Doctor of

Biosynthesis of blasticidin S : mechanistic and stereochemical investigations

Creator:: Prabhakaran, P. C.
Abstract:: Feeding of [3-¹³C, 2-¹⁵N]arginine, 38a, unequivocally established that the β- arginine moiety of blasticidin S, 1, was formed from α-arginine by an intramolecular migration of the α-amino group to the β- position. Further feedings using chirally deuteriated arginines 38e and 38f revealed that the aminomutase process occurred with inversion of...
Resource Type:: Dissertation
Full Text:: stereochemical investigations AN ABSTRACT OF THE THESIS OF P. C. Prabhakaran for the degree of Doctor of

Measuring and modeling gene flow from hybrid poplar plantations : implications for transgenic risk assessment

Creator:: DiFazio, Stephen P.
Abstract:: Hybrid poplar plantations (Populus trichocarpa x Populus deltoides) are a relatively new feature on the landscape in the Pacific Northwest of the United States, and these plantations may soon include genetically engineered trees. Meanwhile, many wild poplar populations (Populus spp.) are highly degraded due in part to logging, dams, grazing,...
Resource Type:: Dissertation

Purification of 2,5-dihydroxyacetanilide epoxidase and mechanism of hydroquinone epoxidases

Creator:: Kirchmeier, Marc J.
Abstract:: 2,5-dihydroxyacetanilide epoxidase from Streptomyces LL-C10037 (DHAE I) catalyzes the epoxidation of hydroquinone 4, to form epoxyquinone 7. DHAE I has been purified to homogeneity, with an overall purification factor greater than 23,000. N-terminal and internal amino acid sequences have been obtained from the purified enzyme so that the epoxidase gene...
Resource Type:: Dissertation
Full Text:: -dihydroxyacetanilide Epoxidase and the Mechanism of Hydroquinone Epoxidases Abstract approved: Steven J7Gould 2,5

A model study of the alfalfa leafcutter bee - seed production system

Creator:: Stark, Steven Bruce
Abstract:: The behaviors of the alfalfa leaf cutter bee - seed production system under imposition of several management regimes were studied through the use of a simulation model that contains mechanisms for the following processes: 1) immature bee development and diapause; 2) immature bee mortality; 3) female bee emergence; 4) nesting...
Resource Type:: Dissertation
Full Text:: Production System AN ABSTRACT OF THE THESIS OF Steven Bruce Stark for the degree of Doctor of Philosophy

Chloroplast DNA variability and phylogeny in the California closed cone pines

Creator:: Hong, Yong-pyo, 1958-
Abstract:: Chloroplast DNA (cpDNA) variability and phylogeny were studied via analysis of restriction site mutations and DNA sequencing in a complex of three closely related species of pines: Pinus radiata D. Don, P. attenuata Lemm., and muricata D. Don. Genomic DNA from 384 trees representing 20 populations in the complex were...
Resource Type:: Dissertation

ScholarsArchive@OSU

Magnetic properties of an analog compound for cytochrome P-450

Differential sensitivity of two common groundsel biotypes (Senecio vulgaris L.) to several s-triazine herbicides

Manipulation of assimilate transport patterns as a method of studying glyphosate translocation in tall morningglory [Ipomoea purpurea (L.) Roth]

Stimulation of plant growth by sub-lethal concentrations of herbicides

Student nonverbal behavior and frustration in individual test conditions

Biosynthesis of blasticidin S : mechanistic and stereochemical investigations

Measuring and modeling gene flow from hybrid poplar plantations : implications for transgenic risk assessment

Purification of 2,5-dihydroxyacetanilide epoxidase and mechanism of hydroquinone epoxidases

A model study of the alfalfa leafcutter bee - seed production system

Chloroplast DNA variability and phylogeny in the California closed cone pines

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