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Articles 7171 - 7200 of 8029
Full-Text Articles in Entire DC Network
Land Subsidence And Saltwater Intrusion In Coastal Areas., Song-Kai Yan
Land Subsidence And Saltwater Intrusion In Coastal Areas., Song-Kai Yan
LSU Historical Dissertations and Theses
Land subsidence and saltwater intrusion problems are encountered concurrently or individually in many coastal areas, especially where heavy pumping is exerted. In order to evaluate the extent and progress of these two phenomena in quantity and quality, a two-dimensional model, the STRALAN (Solute $\underline{\rm Tra}$nsport and $\underline{\rm Lan}$d Subsidence) model, is developed to simulate fluid movement, solute transport and land subsidence in a non-homogeneous, anisotropic, compressible and sloping aquifer system. The governing equations of the model, i.e., the fluid mass balance equation, solute mass balance equation and land subsidence equation for confined or unconfined as well as for sloping aquifers …
Kinetics Of Chromate And Phosphate Sorption By Oxide Minerals And Soils., David S. Burden
Kinetics Of Chromate And Phosphate Sorption By Oxide Minerals And Soils., David S. Burden
LSU Historical Dissertations and Theses
A nonlinear multireaction model was used to describe kinetic retention data sets for chromate, phosphate, arsenate, borate, fluoride, molybdate, selenite, and silicate by goethite, an iron oxide mineral, and selected soils. These data sets were obtained from laboratory batch experiments with time up to 24 h. Either a three-parameter version of the model consisting of one nonlinear reversible and one first order irreversible reaction, or a five-parameter version consisting of two nonlinear reversible and one first order irreversible reactions was capable of predicting anion sorption by goethite. A mechanistic model consistent with the nonlinear multireaction approach was also proposed in …
Modernism's Illegitimate Progeny: Fictions Of Crime And The Experience Of Modernity., Jon Francis Thompson
Modernism's Illegitimate Progeny: Fictions Of Crime And The Experience Of Modernity., Jon Francis Thompson
LSU Historical Dissertations and Theses
This dissertation has two main concerns. The first is to see fictions of crime--a general term which I use to signify those genres concerned with crime, including detective fiction, spy thrillers, and crime fiction proper--as attempts to mediate and contain the anxieties brought about by the experience of modernity. Modernity is theorized as having three primary moments: the nineteenth, early twentieth-century experience of imperialism; the post World War I period, the high water mark of urban capitalism; and the post World War II period, which I theorize as postmodernism. I attempt to situate crime fiction within these social contexts, and …
In Vitro Screening Of Easter Lily (Lilium Longiflorum Thunb) For Resistance To Stem Rot Caused By Phytophthora Cactorum., Ola Abdel-Aziz Elshennawy
In Vitro Screening Of Easter Lily (Lilium Longiflorum Thunb) For Resistance To Stem Rot Caused By Phytophthora Cactorum., Ola Abdel-Aziz Elshennawy
LSU Historical Dissertations and Theses
Callus cultures were initiated using 0.5 cm bulb scale segments of Easter lily (Lilium longiflorum Thunb) cultured on a medium designated CI-1, which contained (per liter), 4.3 g Murashige and Skoog basal salts, 30 g sucrose, 8 g agar, 0.4 mg Thiamine, 100 mg myo-inositol, 2.5 mg 1-naphthaleneacetic acid (NAA) and 0.1 mg N-(phenyl-methyl)-1-H-purine-6-amine (BA). Calli derived from 3 cultivars of Easter lily, 'Ace', 'Harson' and 'Nellie White', susceptible to the fungus Phytophthora cactorum, were irradiated with UV light (25 erg mm$\sp{-2}$ s$\sp{-1}$) for 0-28 days at 4 day intervals. The calli were then subcultured for 4 weeks on CI-1 …
Symphony No. 1. (Original Composition);, Mickie Denver Willis
Symphony No. 1. (Original Composition);, Mickie Denver Willis
LSU Historical Dissertations and Theses
The goal in composing this Symphony was to produce a large scale work which would have the power, impact, and audience appeal of a late Romantic orchestral work but which employed some twentieth-century techniques. The effort was to produce a composition which would not only display accomplished compositional craft but, upon performance, would generate immediate audience enthusiasm. A great deal of idiomatic diversity was used in the piece to produce a broad and varied sound experience. In much the same way that a film score is composed, this piece was crafted using whatever tonal, orchestral, or stylistic treatment would produce …
Re-Inventing The Public Sphere: Critical Theory, Social Responsibility, Schools, And The Press., John Pace Konopak
Re-Inventing The Public Sphere: Critical Theory, Social Responsibility, Schools, And The Press., John Pace Konopak
LSU Historical Dissertations and Theses
This study examines the contemporary discourses of journalism and pedagogy from the standpoint of critical theory to assess the impact of technocratic rationality and instrumental logic on the practices of communication and education. It is premised on the observation that, spurred by the imperatives of trans-national capital accumulation, privatization inimical to democratic interests has begun to colonize public education. The study represents an effort to reactivate a concept and rhetoric of "social responsibility" that would animate a project of reclaiming cultural space to be occupied by a "public sphere," in a struggle analagous to that waged against feudalism and monarchical …
The Development Of A Fetal Uterine Cell In Vitro Coculture System For Mammalian Embryos., Klaus Enrique Wiemer
The Development Of A Fetal Uterine Cell In Vitro Coculture System For Mammalian Embryos., Klaus Enrique Wiemer
LSU Historical Dissertations and Theses
In Experiment I, 125 two-pronuclear murine ova were cultured in either Ham's F-10 plus l5% human serum (HF-10h), on a monolayer of human uterine fibroblasts (HUC) or fetal bovine uterine fibroblasts (FBUC). After 96 hours in culture, 2.4% embryos in HF-10h were viable compared with 45.2% and 61% for embryos on HUC and FBUC, respectively. Results suggest that monolayers were advantageous to medium alone for culturing murine embryos. Experiment II was conducted to assess the development of 117 bovine embryos in HF-10 (Treatment A), on a monolayer of FBUC (Treatment B) or hormone-pretreated FBUC (Treatment C). Embryo viability assessed at …
Studies On The Agrobacterium Mediated Transformation Of Potato (Solanum Tuberosum L.) And Tobacco (Nicotiana Tabacum L.) With Antibacterial And High Essential Amino Acids Encoding Genes., Mehmet Selim Cetiner
Studies On The Agrobacterium Mediated Transformation Of Potato (Solanum Tuberosum L.) And Tobacco (Nicotiana Tabacum L.) With Antibacterial And High Essential Amino Acids Encoding Genes., Mehmet Selim Cetiner
LSU Historical Dissertations and Theses
Tuber disks from four cultivars of Solanum tuberosum L. were cultured on a Murashige and Skoog medium supplemented with B5 vitamins, 3.0% sucrose, 0.7% phytagar and ratios of indole-3-actyl-aspartic acid (IAAa) and zeatin riboside (ZR). No shoots were regenerated from Red LaSoda. Russet Burbank, Desiree, and LaBelle tuber disks produced shoots over a range of IAAa and ZR ratios. The greatest number of shoots was regenerated from Russet Burbank at 1 $\mu$M IAAa and 8 $\mu$M ZR. Different potato cultivars were also tested for their responses to Agrobacterium infections. Growth stage of the bacterial cultures and exposure duration of tuber …
Influence Of Carriers On Rhizosphere Colonization By Inoculant Bradyrhizobium Japonicum., Marcelle Mary Savoy
Influence Of Carriers On Rhizosphere Colonization By Inoculant Bradyrhizobium Japonicum., Marcelle Mary Savoy
LSU Historical Dissertations and Theses
Organic and inorganic materials are used extensively as carriers in the preparation of commercial soybean inocula. These carriers facilitate application of inocula and promote survival of soybean rhizobia (Bradyrhizobium japonicum) during storage, but little is known of their effects on the ability of inoculant rhizobia to survive after addition to the plant rhizosphere. Laboratory and environmental growth chamber studies were performed to determine the influence of finely milled peat, granular peat, or vermiculite carriers on survival of B. japonicum An-6a (rifampicin- and streptomycin-resistant) in samples of three Louisiana soils. Laboratory studies showed that the numbers of viable cells recovered from …
Lumières, Fall 1988, Louisiana State University And Agricultural & Mechanical College
Lumières, Fall 1988, Louisiana State University And Agricultural & Mechanical College
Friends of the LSU Libraries
The bi-annual newsletters from the Friends of the Library contain information about upcoming and recent events, descriptions of new collections, a list of members, and occasional obituaries, which inform members of the news and needs of the LSU Libraries.
Faculty Senate Resolution 88-01, Louisiana State University And Agricultural & Mechanical College
Faculty Senate Resolution 88-01, Louisiana State University And Agricultural & Mechanical College
LSU Faculty Senate Publications
Faculty Senate Resolution on faculty and staff salary information in the university archives, adopted on September 19, 1988.
Louisiana Agriculture Magazine, Spring 1988, Lsu Agricultural Experiment Station
Louisiana Agriculture Magazine, Spring 1988, Lsu Agricultural Experiment Station
Louisiana Agriculture
No abstract provided.
Moisture Stress Effects On Selected Physiological Processes And The Efficacy Of Haloxyfop In Johnsongrass And Crabgrass., Robert Stanton Peregoy
Moisture Stress Effects On Selected Physiological Processes And The Efficacy Of Haloxyfop In Johnsongrass And Crabgrass., Robert Stanton Peregoy
LSU Historical Dissertations and Theses
The phytotoxicity of haloxyfop-methyl $\{$methyl 2- (4- ( (3-chloro-5-(trifluoromethyl)-2-pyridinyl) oxy) phenoxy) propanoate$\}$ is reduced when applied to grasses growing under moisture stress, but the reasons for this reduction are not known. Glasshouse studies were conducted to determine the effect of imposed moisture stress on the phytotoxicity of haloxyfop-methyl; the absorption, translocation, and metabolism of $\sp{14}$C-haloxyfop-methyl; and the partitioning of $\sp{14}$C-photoassimilates in johnsongrass (Sorghum halepense (L.) Pers.) and large crabgrass (Digitaria sanguinalis (L.) Scop.). Foliar applications of haloxyfop-methyl at 30 and 25 g ai/ha to crabgrass and johnsongrass, respectively, resulted in 92% regrowth of moisture-stressed plants and less than 12% regrowth …
A History Of The Florida Philharmonic And An Original Composition: "Symphony No. 2". (Original Composition);, Kenneth Roger Benoit
A History Of The Florida Philharmonic And An Original Composition: "Symphony No. 2". (Original Composition);, Kenneth Roger Benoit
LSU Historical Dissertations and Theses
This dissertation is in two parts. The first part is a monograph which presents a history of the first fully professional orchestra in Miami. The Florida Philharmonic was founded in 1965 and ceased operations in 1982. Appendices provide lists of the programs which the orchestra performed. The second part is an original composition entitled Symphony No. 2. The symphony is scored for piccolo, two flutes, two oboes, English Horn, two clarinets (in B-flat), two bassoons, contrabassoon, four horns (in F), trumpet (in B-flat), three trombones, tuba, timpani, two vibraphones, gong, suspended cymbal, sizzle cymbal, marimba, wind chimes, orchestra bells, finger …
Cell Division Studies Of Escherichia Coli: Expression And Protein Localization Of Cell Septation Gene, Ftsa., Chong Chon Younghae
Cell Division Studies Of Escherichia Coli: Expression And Protein Localization Of Cell Septation Gene, Ftsa., Chong Chon Younghae
LSU Historical Dissertations and Theses
FtsA is a gene essential for cell septation. It has been postulated to have both regulatory and structural functions. To study the structural involvement of the FtsA protein in septum formation, four FtsA-LacZ protein fusions were constructed using a mini-Mu transposon (MudII1734). When maxicells containing either ftsA-lacZ or ftsA specifying plasmids were radioactively labelled and fractionated, FtsA-LacZ fusion protein and FtsA were located in both the membrane and cytoplasmic fractions. The FtsA-LacZ fusion proteins were also located in dividing wild type dividing cells by measuring $\beta$-galactosidase activity. Cell envelope fractions from a sucrose equilibrium gradient had $\beta$-galactosidase activity in outer …
The Dextranase Of Lipomyces Starkeyi And Its Use In Sugar Cane Processing., David William Koenig
The Dextranase Of Lipomyces Starkeyi And Its Use In Sugar Cane Processing., David William Koenig
LSU Historical Dissertations and Theses
Dextranase is an enzyme which destroys dextran, a contaminant in sugar and a main constituent of dental plaque. Dextranase utilization can solve a major economic problem in the sugar industry, and in dental preparations it can keep teeth essentially free of plaque. The dextranase from the yeast Lipomyces starkeyi was investigated because this organism has been used in food related processes. This attribute should allow for Food and Drug Administration (FDA) approval for use of a Lipomyces dextranase. None of the existing commercial dextranase preparations have FDA approval. L. starkeyi was found to produce maximum amounts of dextranase when grown …
The Relationship Between Root Anatomic And Metabolic Responses To Soil Waterlogging In The Coastal Grass Spartina Patens., David Maaloe Burdick
The Relationship Between Root Anatomic And Metabolic Responses To Soil Waterlogging In The Coastal Grass Spartina Patens., David Maaloe Burdick
LSU Historical Dissertations and Theses
Spartina patens is a perennial grass that dominates dune, swale and marsh habitats in coastal Louisiana. Plant roots require oxygen for respiration and normal root function, and one of the most serious problems wetland plants encounter is the development of anaerobic conditions in the soil. The remarkable success of S. patens in habitats that occupy distant positions on a soil waterlogging gradient suggests either genetic differentiation or phenotypic adaptation among these populations. Field and greenhouse investigations were conducted to: (1) identify anatomic and metabolic soil waterlogging responses in Spartina patens, (2) examine the relationship between these responses, and finally (3) …
An Initial Identification Of Parasite Specific Immune Responses In The Jird (Meriones Unguiculatus) Infected With Brugia Pahangi., Rita Gaskin Farrar
An Initial Identification Of Parasite Specific Immune Responses In The Jird (Meriones Unguiculatus) Infected With Brugia Pahangi., Rita Gaskin Farrar
LSU Historical Dissertations and Theses
Brugia pahangi infections in the jird (Meriones unguiculatus) is an accepted experimental model for the study of human lymphatic filariasis. Initial identification of parasite specific immune responses in jirds infected with B. pahangi are reported here. Antibody reactivity in sera from singly and multiply infected jirds against different stages of B. pahangi was determined using an indirect fluorescent antibody technique. All life cycle stages of the parasite were examined. Antibodies recognizing all stages were present in all serum samples. Removal of antibody reactivity by absorption of jird sera with B. pahangi antigen coated beads indicated that the antibodies were parasite …
Intermolecular Interactions And The Theory Of Electron Transfer Between Hexaaquoiron Ions And Hexaammineruthenium Ions In Water., Paul James Magestro
Intermolecular Interactions And The Theory Of Electron Transfer Between Hexaaquoiron Ions And Hexaammineruthenium Ions In Water., Paul James Magestro
LSU Historical Dissertations and Theses
Theoretical studies of the electron transfer rates between hexaaquoiron(II) and (III) ions, and between hexaammineruthenium(II) and (III) ions in aqueous solutions have been undertaken using detailed representations of the interaction potentials and including the flexibility of the ligand geometry. This is done through an intuitive and efficient computational scheme involving tested site-site potentials for water and ammonia. The calculations on the ferrous-ferric electron exchange indicate that fluctuations in the configuration of the hydration shell are important and affect the rate significantly. In the hexaammineruthenium reaction, there is no evidence for any substantial contribution from this factor, although rates tend to …
A Molecular Characterization Of An Escherichia Coli Restriction System Specific For 5-Methylcytosine-Containing Dna., Troy Kevin Ross
A Molecular Characterization Of An Escherichia Coli Restriction System Specific For 5-Methylcytosine-Containing Dna., Troy Kevin Ross
LSU Historical Dissertations and Theses
The McrB restriction system in Escherichia coli K-12 is responsible for sequence-specific recognition and inactivation of DNA containing 5-methylcytosine. A derivative of plasmid pUC8 with a 5.5-kilobase pair BglII-EcoRI restriction fragment from the E. coli K-12 chromosome, imparted the wild-type phenotype to the McrB$\sp-$ strain K802. The limits of the McrB region within this DNA fragment were defined by deleting portions of the 5.5-kb insert and assaying for McrB restriction of M.AluI-methylated DNA. Analyses of polypeptides encoded by the McrB region using a maxicell strain revealed that at least three proteins, having molecular weights of approximately 51,000, 39,000, and 33,000, …
An Investigation Of The Fungus, Balansia Cyperi Edg., And Its Effect On Purple Nutsedge, Cyperus Rotundus L., Mary Elizabeth Stovall
An Investigation Of The Fungus, Balansia Cyperi Edg., And Its Effect On Purple Nutsedge, Cyperus Rotundus L., Mary Elizabeth Stovall
LSU Historical Dissertations and Theses
This study was designed to investigate host specificity of the fungus Balansia cyperi Edg. on Cyperus rotundus L. (purple nutsedge) and to determine the effect of fungus presence on the biology and ecology of the sedge. Isolates of epiphytic Balansias from C. rotundus and C. virens had similar cultural characters, conidium morphology, and extracellular enzyme activity in artificial culture. However, B. cyperi from C. rotundus had a faster growth rate, greater conidium production, and higher temperature optimum than did the isolate from C. virens. Artificial infection of C. rotundus by B. cyperi from C. rotundus was far more successful than …
Platelet-Derived Growth Factor Mrna Detection In Human Atherosclerotic Plaques By In Situ Hybridization, J. N. Wilcox, K. M. Smith, L. T. Williams, S. M. Schwartz, D. Gordon
Platelet-Derived Growth Factor Mrna Detection In Human Atherosclerotic Plaques By In Situ Hybridization, J. N. Wilcox, K. M. Smith, L. T. Williams, S. M. Schwartz, D. Gordon
Faculty Publications
Platelet-derived growth factor (PDGF) mRNA, and mRNA for its receptor, have been localized to specific cell types within the human atherosclerotic plaque, using in situ hybridization. The predominant cell types found to express PDGF A and B chain mRNA are mesenchymal-appearing intimal cells and endothelial cells, respectively, with little or no expression detected in macrophages. The distribution of PDGF receptor mRNA containing cells was also examined and found to be localized predominantly in the plaque intima.
Ribosomal Protein Synthesis Is Not Regulated At The Translational Level In Saccharomyces Cerevisiae: Balanced Accumulation Of Ribosomal Proteins L16 And Rp59 Is Mediated By Turnover Of Excess Protein., Y. F. Tsay, J. R. Thompson, M. O. Rotenberg, J. C. Larkin, J. L. Woolford
Ribosomal Protein Synthesis Is Not Regulated At The Translational Level In Saccharomyces Cerevisiae: Balanced Accumulation Of Ribosomal Proteins L16 And Rp59 Is Mediated By Turnover Of Excess Protein., Y. F. Tsay, J. R. Thompson, M. O. Rotenberg, J. C. Larkin, J. L. Woolford
Faculty Publications
We have investigated the mechanisms whereby equimolar quantities of ribosomal proteins accumulate and assemble into ribosomes of the yeast Saccharomyces cerevisiae. Extra copies of the cry1 or RPL16 genes encoding ribosomal proteins rp59 or L16 were introduced into yeast by transformation. Excess cry1 or RPL16 mRNA accumulated in polyribosomes in these cells and was translated at wild-type rates into rp59 or L16 proteins. These excess proteins were degraded until their levels reached those of other ribosomal proteins. Identical results were obtained when the transcription of RPL16A was rapidly induced using GAL1-RPL16A promoter fusions, including a construct in which the entire …
Dehalogenation In Marine Sediments Containing Natural Sources Of Halophenols., G. M. King
Dehalogenation In Marine Sediments Containing Natural Sources Of Halophenols., G. M. King
Faculty Publications
Halophenols such as 2,4-dibromophenol (DBP) occur naturally in some marine sediments, as a consequence of various animal and algal activities. In an earlier study, DBP was observed in the burrow microenvironment of the hemichordate Saccoglossus kowalewskii. At the concentrations found in the burrow lining, aerobic respiration appeared to be inhibited significantly relative to anaerobic catabolism. This effect, as well as factors contributing to the degradation of DBP, has been documented further here. Results from the addition of radiolabeled DBP to oxic and anoxic sediment slurries and growth experiments with aerobic and anaerobic enrichments suggested that aerobes did not significantly metabolize …
Louisiana Agriculture Magazine, Winter 1988-1989, Lsu Agricultural Experiment Station
Louisiana Agriculture Magazine, Winter 1988-1989, Lsu Agricultural Experiment Station
Louisiana Agriculture
No abstract provided.
Lsu General Catalog 1988-1989, Louisiana State University And Agricultural And Mechanical College
Lsu General Catalog 1988-1989, Louisiana State University And Agricultural And Mechanical College
LSU General Catalog
The LSU General Catalog describes all undergraduate and graduate departments and programs with degree requirements and courses offered for each one. The General Catalog includes information on registration and financial aid as well as academic services offered to all students.
Protein Solubility, In Vitro Ammonia Concentration, And In Situ Disappearance Of Extruded Whole Cottonseed And Other Protein Sources, J. A. Stutts, W. A. Nipper, R. W. Adkinson, J. E. Chandler, A. S. Achacoso
Protein Solubility, In Vitro Ammonia Concentration, And In Situ Disappearance Of Extruded Whole Cottonseed And Other Protein Sources, J. A. Stutts, W. A. Nipper, R. W. Adkinson, J. E. Chandler, A. S. Achacoso
Faculty Publications
Whole cottonseed extruded at temperatures (°C) and rates (kg/h) of 131, 314; 135, 182; 146, 195; and 156, 286 was evaluated by protein solubility, in vitro ammonia concentration, and in situ disappearance techniques. These techniques were used to estimate potential of extruded whole cottonseed for protein escape from the rumen. In addition, raw whole cottonseed, soybean meal, corn gluten meal, and whole cottonseed and soybean meal heated for 4 h at 127, 138, and 149°C were used for comparison. Solubility was by three methods: cold water mixed for 30 min, cold water homogenized for 5 s, and hot water refluxed …
The Influence Of Calonectria Crotalariae On Population Development Of Heterodera Glycines On Resistant And Susceptible Soybeans., Charles Overstreet
The Influence Of Calonectria Crotalariae On Population Development Of Heterodera Glycines On Resistant And Susceptible Soybeans., Charles Overstreet
LSU Historical Dissertations and Theses
Calonectria crotalariae enhanced root penetration of Lee 74 (susceptible) and Centennial (resistant) soybeans by juveniles of race 3 of Heterodera glycines. The presence of the fungus resulted in greater numbers of females and both soil and root cysts on Lee 74 during the first 30 days. Greater numbers of soil cysts were recovered from Lee 74 at 80 and 120 days and from Centennial at 120 days after inoculation with both pathogens. Root colonization by the fungus increased from 19% to 57% at 40 days on Lee 74 and from 58% to 86% on Centennial at 120 days in the …
The Relationship Between Learned Sexual Values And Adjustment In A Prison Setting., James William Robinson
The Relationship Between Learned Sexual Values And Adjustment In A Prison Setting., James William Robinson
LSU Historical Dissertations and Theses
The degree of environmental control exerted by female inmates was examined as a function of gender role identity. The sample was obtained at the Louisiana Correctional Institute for Women, the only female prison in the state. The prison environment was assumed to offer very few control options. The options studied were those under the direct authorization of the social services division of the prison, and from individuals external to the prison. It was assumed that the flexibility found in androgynous individuals would allow for a greater level of perceived control than with either the masculine or feminine gender role identity …
A Community Sample's Knowledge Of, Judgment Of, And Attitudes Toward Childrearing And Child Abuse., Harriet Schoenberg Williams
A Community Sample's Knowledge Of, Judgment Of, And Attitudes Toward Childrearing And Child Abuse., Harriet Schoenberg Williams
LSU Historical Dissertations and Theses
The present study addressed an important void in the literature of child abuse prevention. The challenge in empirical development of preventive education in child abuse to the public lies in the identification of specific target behaviors which are (1) related to potential child abuse, and (2) amenable to education. This investigation examined individual's expectations, attitudes and beliefs toward childrearing, as well as individual's knowledge of childrearing and behavioral child management techniques. Data generated in this study also evaluated the presence of differential judgments of child abuse in a community sample. Two hundred and eighty-two community volunteers participated in this study. …