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The development of a high spectral-resolution laser-excited molecular fluorescence system and its application to gas chromatography and the determination of polynuclear aromatic hydrocarbons

Creator:: Hein, Scott J.
Abstract:: A high-spectral resolution laser-excited molecular fluorescence system was developed that utilizes a pulsed supersonic expansion to simplify the fluorescence excitation spectra of large, gas-phase aromatic molecules diluted in an excess of a monatomic gas. A microcomputer was used to control and synchronize the instrumental components, which included a Chromatix CMX-4...
Resource Type:: Dissertation
Full Text:: extend to individual PNAs; the method must be able to distinguish closely related PNA isomers. Finally

Selective detection for gas chromatography by ultraviolet spectrometry

Creator:: Van Engelen, Debra L.
Abstract:: Spectrometric detection systems for gas chromatography (GC) based on gas phase ultraviolet absorbance and fluorescence measurements have been developed and evaluated in this research. Polynuclear aromatic compounds (PNAs) are selectively detected by these systems. Limits of detection for PNAs range from 4 ng to 90 ng for absorbance determinations, and...
Resource Type:: Dissertation
Full Text:: metabolites which are carcinogenic and mutagenic [19]. In addition, PNAs and PNA metabolites may undergo

Ribulose bisphosphate carboxylase : a marker for the germination pathway in wheat embryos

Creator:: Hamblin, Martha T.
Resource Type:: Masters Thesis
Full Text:: of an Apparent Precursor of the Small Subunit of Ribulose -1,5- bisphosphate Carboxylase. PNAS 75

RNA-directed DNA polymerase activity in human placentas

Creator:: Nelson, Jay A.
Resource Type:: Dissertation

Site tenacity, mate retention and sexual dimorphism in Black Terns

Creator:: Stern, Mark A.
Abstract:: Between 1982-1984 I studied site tenacity and mate retention in Black Terns at Sycan Marsh, Lake County, Oregon. I banded 778 adult Black Terns and used this marked population to test the hypotheses that site tenacity and mate retention would be less for Black Terns which nest in variable marsh...
Resource Type:: Masters Thesis
Full Text:: the same PNA and half (22/47) dispersed to other PNAs. The tendency of terns to relocate in the same

Prothoracicotropic hormone, cyclic nucleotides, and proctolin in insect central nervous system

Creator:: Kingan, Timothy Gilmore
Abstract:: Prothoracicotropic hormone has been partially purified from whole heads of tobacco hornworm larvae, Manduca sexta. Activity was followed with a larval bioassay. Activity was purified 4400 fold from crude extracts. The hormone was found to be a heat-stable polypeptide with an approximate molecular weight of 25,000 Daltons. The hormone has...
Resource Type:: Dissertation

Molecular genetic analysis of vaccinia virus genes which confer resistance to alpha-amanitin

Creator:: Tamin, Azaibi
Abstract:: Several laboratories have shown that the VV replication cycle is dependent on the host cell nucleus. The basic biological observation is that if the host cell nucleus is physically removed by cytochalasin B-mediated enucleation, functionally inactivated by UV-irradiation, or selectively blocked with a-amanitin, the results are the same: W is...
Resource Type:: Dissertation
Full Text:: protein A (envelope, 14K) Hemagglutinin A (structural, 85K) Broyles & Moss. (1986) PNAS, 83, p3141-3145

The mineralogy and morphology of loess derived soils along a traverse in northeastern Oregon

Creator:: Berggren, Brad J.
Abstract:: The lentil strain of pea seedborne mosaic virus, PSbMV-L, was distinguished from the standard isolates of PSbMV by a natural inoculum reservoir in lentil seed and by separate resistance genes in Pisum and Lens. PSbMV-L was intermediate in symptom severity between the standard and New Zealand isolates of PSbMV. Seed...
Resource Type:: Masters Thesis

Characteristics of the lentil strain of pea seedborne mosaic virus

Creator:: Goodell, Jody Jellison
Abstract:: The lentil strain of pea seedborne mosaic virus, PSbMV-L, was distinguished from the standard isolates of PSbMV by a natural inoculum reservoir in lentil seed and by separate resistance genes in Pisum and Lens. PSbMV-L was intermediate in symptom severity between the standard and New Zealand isolates of PSbMV. Seed...
Resource Type:: Dissertation

Neuronal and hormonal control of the vascular system of the marine mollusc, Aplysia californica

Creator:: Ligman, Scott H.
Abstract:: The vascular system of Aplysia californica is a simple visceromotor system with three main arteries innervated by a small pool of identified neurons. I used this system to study the functions of neuropeptide transmitters and their actions on neural and muscle tissues. A central finding of this study is that...
Resource Type:: Dissertation

ScholarsArchive@OSU

The development of a high spectral-resolution laser-excited molecular fluorescence system and its application to gas chromatography and the determination of polynuclear aromatic hydrocarbons

Selective detection for gas chromatography by ultraviolet spectrometry

Ribulose bisphosphate carboxylase : a marker for the germination pathway in wheat embryos

RNA-directed DNA polymerase activity in human placentas

Site tenacity, mate retention and sexual dimorphism in Black Terns

Prothoracicotropic hormone, cyclic nucleotides, and proctolin in insect central nervous system

Molecular genetic analysis of vaccinia virus genes which confer resistance to alpha-amanitin

The mineralogy and morphology of loess derived soils along a traverse in northeastern Oregon

Characteristics of the lentil strain of pea seedborne mosaic virus

Neuronal and hormonal control of the vascular system of the marine mollusc, Aplysia californica

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