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Effect Of Isolated Soy Protein On The Bioavailability Of Copper In Ground Beef., James L. Smith Jan 1983

Effect Of Isolated Soy Protein On The Bioavailability Of Copper In Ground Beef., James L. Smith

LSU Historical Dissertations and Theses

Test diets containing ground beef extended with 0, 10, 20 and 30% ISP were fed to Single Comb White Leghorn chicks and 28 days to determine the effect of isolated soy protein (ISP) on the availability of copper naturally present in meat. Copper content of the test diets decreased with increasing levels of ISP, ranging from 6.89 (+OR-) 0.17 ppm to 2.09 (+OR-) 0.12 ppm. Mean feed consumption per diet also decreased with increasing ISP levels as did the amount of copper consumed per bird. Although the mg copper consumed per bird decreased from diet I to diet IV, the …

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The Justices Of The Peace Of Surrey In National And County Politics, 1483-1570. (Volumes I And Ii)., William Baxter Robison Iii Jan 1983

The Justices Of The Peace Of Surrey In National And County Politics, 1483-1570. (Volumes I And Ii)., William Baxter Robison Iii

LSU Historical Dissertations and Theses

Surrey provides an excellent case study of the role of justices of the peace in national and county politics in England during the years 1473-1570. Ample documentation exists in the central government records and a rich local collection, the Loseley MSS., and the availability of similar studies for the bordering counties of Hampshire, Kent, and Sussex allows fruitful comparisons. Moreover, though the shire was pulled in many directions by overlapping political and ecclesiastical jurisdictions (e.g., shrievalty, lieutenancy, diocese) and by various regional affinities, there was in Surrey a distinct political county community, the integrity of which all of the Tudors …

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Sodium Ion Transport Regulation By A Serotonin Stimulated Adenylate Cyclase System In Freshwater Mussels., John Iver Scheide Jan 1983

Sodium Ion Transport Regulation By A Serotonin Stimulated Adenylate Cyclase System In Freshwater Mussels., John Iver Scheide

LSU Historical Dissertations and Theses

Freshwater bivalves increase Na influx when the mussels were injected with dibutyryl cAMP, serotonin (5-HT), or 5-HT (10('-4) M/l) was added to the bath; a response similar to a sodium depleted mussel. Serotonin stimulated Na influx kinetics (K(,m) = 0.09 mM/l and J(,max) = 4.33 (mu)eq (g dry tissue (.) hr)('-1) were similar to Na depleted mussels. Stimulated Na influx (by dibutyryl cAMP or 5-HT) was inhibited by amiloride (5 x 10('-4) M/l) and the amiloride inhibition was reversible. Serotonin also changes water balance; the 5-HT stimulated mussels gain 0.36 ml H(,2)O (g dry tissue (.) hr)('-1) above controls. Serotonin …

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The Effects Of Two Twelve-Week Training Programs On Sequential Measurements Of Blood Lipids, Hormones, Cardiovascular Function, Body Composition, And Strength In Sedentary Middle-Aged Males., Daniel Lee Blessing Jan 1983

The Effects Of Two Twelve-Week Training Programs On Sequential Measurements Of Blood Lipids, Hormones, Cardiovascular Function, Body Composition, And Strength In Sedentary Middle-Aged Males., Daniel Lee Blessing

LSU Historical Dissertations and Theses

A twelve-week study was conducted to determine the effects of weight training and jogging on serum lipids and hormones, cardiovascular function, body composition, and strength. Thirty-three subjects (mean age 45 + 6 years) comprised a weight training group (N = 9), running group (N = 11), and a control group (N = 13). All subjects exercised 3 days per week for 12 weeks. Statistical comparisons were completed by using a 3 x 3 ANOVA with repeated measures on time. Single Degree of Freedom Comparisons were used to examine the specific hypotheses about the differential effects across time among groups. The …

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Relationship Between Gene Frequencies And Indices Of Physiological Stress In The Estuarine Gastropod, Thais Haemastoma., David Wendell Garton Jan 1983

Relationship Between Gene Frequencies And Indices Of Physiological Stress In The Estuarine Gastropod, Thais Haemastoma., David Wendell Garton

LSU Historical Dissertations and Theses

The relationship between individual energy budgets and genetic variability was examined in Thais haemastoma acclimated to 7.5, 20 and 35('o)/oo S at 21(DEGREES)C. Energy budgets, after the equations of Crisp (1971), were determined by measuring rates of caloric ingestion, absorption efficiencies, oxygen consumption and ammonia and primary amine excretion. Genotypes at six polymorphic loci coding for soluble enzymes, of 25 total loci assayed, were determined using starch gel electrophoresis. The polymorphic loci examined were those encoding for (alpha)-L-amino peptidase (LAP), phosphoglucomutase (PGM), glucose-6-phosophate dehydrogenase (G6PDH), a non-specific esterase (Est) and two dipeptidases (L-leucyl-L-proline and L-phenylalanyl-L-proline dipeptidases). The genetic variability observed …

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A Study Of Reading Achievement In Terms Of Symbol Reversals In First Grade Children (Louisiana)., Bernard Leon Heydorn Jan 1983

A Study Of Reading Achievement In Terms Of Symbol Reversals In First Grade Children (Louisiana)., Bernard Leon Heydorn

LSU Historical Dissertations and Theses

This study was designed to investigate reading achievement in first grade children who are symbol reversers vs non-reversers and who are male vs female, and also to determine the effectiveness of a modification of the Kirshner Program (1977) in reducing symbol reversals. The sample was comprised of 115 first grade children in seven classes in two schools in East Baton Rouge Parish, Louisiana. The students were selected from a number of volunteer grade one classes on the basis of their being representative of the district at large in terms of racial composition and socioeconomic factors. The study used a randomized …

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El Tema De La Esclavitud En Novelas Representativas De La Literatura Cubana Y Brasilena Del Siglo Xix. (Spanish Text)., Maria De Jesus Paez C De Ruiz Jan 1983

El Tema De La Esclavitud En Novelas Representativas De La Literatura Cubana Y Brasilena Del Siglo Xix. (Spanish Text)., Maria De Jesus Paez C De Ruiz

LSU Historical Dissertations and Theses

El fenomeno de la esclavitud negra, prolongado por mas de tres siglos, con todo su contenido institucional, economico y social constituye uno de los aspectos mas importantes para entender el llamado proceso de transculturacion en Iberoamerica. El sentimiento antiesclavista en la narrativa iberoamericana tiene su maxima representacion en calidad y cantidad en Cuba y en Brasil, pa(')ises en donde la inmigracion negra fue mayor en proporcion que la de los otros pa(')ises, y los ultimos que pusieron en practica las leyes de le abolicion de la esclavitud africana. El proposito de esta disertacion es estudiar el tema de la esclavitud …

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Nitrification At The Rice Root., Chayong Nammuang Jan 1983

Nitrification At The Rice Root., Chayong Nammuang

LSU Historical Dissertations and Theses

Nitrification at the rice root was investigated. Nitrifiers were found in the rice rhizoplane, rhizosphere and non-rhizosphere soils under flooded conditions. They were greater in the rhizoplane than in the rhizosphere soil and greatest at the heading stage of rice growth. Ammonium-sulfate or NaNO(,2) injected into the flooded soils with growing rice plants did not increase the activities of nitrifiers in the rice rhizoplane. Incubation of the flooded soil with (NH(,4))(,2)SO(,4) or NaNO(,2) did not increase the activities of NH(,4)('+)- or NO(,2)('-)-oxidizers in soils without rice. The (NH(,4))(,2)SO(,4) did not increase denitrifiers, but incubation with NaNO(,2) caused an early increase …

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"New Literary History" And The Postmodern Paradigm: Implications For Theatre History., Robert Gerard Staggenborg Jan 1983

"New Literary History" And The Postmodern Paradigm: Implications For Theatre History., Robert Gerard Staggenborg

LSU Historical Dissertations and Theses

Thomas S. Kuhn writes of disciplinary paradigms, presuppositions tactily setting the epistemological boundaries of a particular field or of the vision of a particular epoch. In the past decade, a paradigmatic revolution has deeply altered the western world's sense of reality. A new postmodern paradigm has emerged and evidenced itself in such critical approaches to art as semiotics, phenomenology, poststructuralism, and hermeneutics. The aim of the present study is to identify the central theoretical perspective offered by the new paradigm, to examine and define the central critico-historical principles stemming from such a perspective, and to relate these principles to the …

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Innovativeness, Knowledge Of Location, And Contact With Extension Agents By Upland Rice Smallholders In Sierra Leone., Harry Norman Archer Jan 1983

Innovativeness, Knowledge Of Location, And Contact With Extension Agents By Upland Rice Smallholders In Sierra Leone., Harry Norman Archer

LSU Historical Dissertations and Theses

The objectives of the study were to determine the characteristics and innovativeness of the smallholders of Sierra Leone, relate this to their knowledge of the location and contacts with the extension agents and to formulate recommendations for achieving self-sufficiency in rice. A total of 102 respondents were queried in this study. Seventy-four upland rice smallholders were selected from an original sample of 1500 which was drawn through a multi-stage cluster sampling technique and the remaining 28 were selected based on subjective criteria. Personal interview schedules were used to collect the data. The descriptive method was used to analyze the personal …

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Factors Associated With Research And Extension Work In Livestock Production In The Ivory Coast., Nathalie Zongo N'Guessan Jan 1983

Factors Associated With Research And Extension Work In Livestock Production In The Ivory Coast., Nathalie Zongo N'Guessan

LSU Historical Dissertations and Theses

The overall objective of this study was to gather basic information about livestock programs in the Ivory Coast, and to determine factors that may be impeding the successful accomplishment of these programs. One hundred and two livestock producers were interviewed--72 who were members of SODEPRA and 32 who were not. The data from the field study were coded onto computer sheets and transferred to punched cards and percentages and Chi-Square Values were calculated. The major dependent variable, membership in SODEPRA, was related to the independent variables in the study. Chi-Square values were used to determine if there was a significant …

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The Methodological Foundations Of Law And Economics., Will Carrington Heath Jan 1983

The Methodological Foundations Of Law And Economics., Will Carrington Heath

LSU Historical Dissertations and Theses

Today there is a burgeoning "new" law and economics literature which extends the application of economic principles virtually across the board. The essence of the "new" law and economics is value (or wealth) maximization, which means exploiting economic resources in such a way that value--human satisfaction as measured by willingness and ability to pay--is maximized. Value maximization has become essential in both explanative and reformative analyses of the law. This new science of law is not without its critics. They include economists, especially those of the Austrian and American Institutionalist schools, as well as various legal theorists and practitioners not …

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The Effects Of Acute Dehydration On The Anaerobic Threshold During Incremental Cycle Ergometer Exercise., Penelope England Jan 1983

The Effects Of Acute Dehydration On The Anaerobic Threshold During Incremental Cycle Ergometer Exercise., Penelope England

LSU Historical Dissertations and Theses

Much of the previous research concerning dehydration and performance has centered around prolonged submaximal work while seemingly little attention has been focused upon short term incremental exercise. Numerous investigators have suggested that dehydration may alter carbohydrate metabolism in muscle. Theoretically, altered glycolytic flux in exercising muscle could result in a change in the rate of blood lactate (La) accumulation, and thus shift the anaerobic threshold. Anaerobic threshold (AT(,La)) has been formally defined as the oxygen uptake (V(,O(,2))) at which there is a systematic increase in blood La. Additionally, the AT(,La) has been estimated from a nonlinear increase in expired ventilation …

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Survival Of Vibrio Cholerae, Biotype E1 Tor, Serotype Inaba In Seafoods., Arthur Hinton Jr Jan 1983

Survival Of Vibrio Cholerae, Biotype E1 Tor, Serotype Inaba In Seafoods., Arthur Hinton Jr

LSU Historical Dissertations and Theses

The D values of Vibrio cholerae in oyster and shrimp meat homogenate were determined at 49(DEGREES), 54(DEGREES), 60(DEGREES), 66(DEGREES), 71(DEGREES), 77(DEGREES), and 82(DEGREES)C. In oyster homogenates, the D values in minutes were 4.7 at 49(DEGREES)C, < 0.35 at 54(DEGREES)C, < 0.35 at 60(DEGREES)C, < 0.33 at 66(DEGREES)C, < 0.30 at 71(DEGREES)C, < 0.29 at 77(DEGREES)C, and < 0.24 at 82(DEGREES)C. In shrimp homogenates, the D values in minutes were 9.17 at 49(DEGREES)C, < 0.43 at 54(DEGREES)C, < 0.39 at 60(DEGREES)C, < 0.32 at 66(DEGREES)C, < 0.31 at 71(DEGREES)C, < 0.30 at 77(DEGREES), and < 0.28 at 82(DEGREES)C. Whole oysters, inoculated with 10('6) V. cholerae/gram, were cooked in boiling water (100(DEGREES)C) or in hot oil (191(DEGREES)C) for one minute. Whole shrimp, inoculated with 10('6) V. cholerae were cooked in boiling water (100(DEGREES)C) or in steam (100(DEGREES)C) for 10 minutes. Vibrio cholerae was not isolated from the cooked oysters or shrimp. Sterile and unsterile shrimp, oyster, crab, and crayfish meat homogenates were inoculated with 10('7) V. cholerae/g. The homogenates were treated with 0, 25, 50, or 100 krad and stored at 4(DEGREES), 0(DEGREES), or -8(DEGREES)C for 21 days. No V. cholerae were isolated from any of the homogenates treated with 100 krad. Vibrio cholerae was able to survive longer in the sterile oyster, crab and crayfish homogenates stored at 4(DEGREES) and 0(DEGREES)C than in the unsterile homogenates stored at the same temperatures. The organism was able to survive longer in the unsterile shrimp homogenates stored at 4(DEGREES) and 0(DEGREES)C than in the sterile homogenates stored at the same temperature. At -8(DEGREES)C, survival time was usually longer in the unsterile seafood homogenates than in the sterile seafood homogenates stored at -8(DEGREES)C. Due to the retardation of competitive inhibition the organism was usually able to survive longer in the unsterile homogenates stored at -8(DEGREES)C than in the unsterile homogenates stored at 4(DEGREES) or 0(DEGREES)C.

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The Relationship Between Fibrinolytic Capacity And Metabolic Control In Insulin-Dependent Diabetes Mellitus., William Guyton Hornsby Jr Jan 1983

The Relationship Between Fibrinolytic Capacity And Metabolic Control In Insulin-Dependent Diabetes Mellitus., William Guyton Hornsby Jr

LSU Historical Dissertations and Theses

The purpose of this study was to investigate the relationship between fibrinolytic capacity and metabolic control in insulin-dependent diabetes mellitus. Testing protocol was explained and informed consent was obtained from 26 insulin-dependent diabetics and 20 healthy controls who agreed to serve as subjects. Fibrinolytic capacity (FC) was measured as the change in euglobulin lysis time produced by 10 min of venous occlusion with a sphygmomanometer cuff inflated around the upper arm at a pressure midway between systolic and diastolic blood pressure. Metabolic control was evaluated by measurement of hemoglobin A1 (HbA1) using a minicolumn chromatographic technique. Fasting glucose (GLU), cholesterol …

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Structural And Regulatory Studies On Rabbit Muscle Phosphofructokinase., Ella Lee Kelley Jan 1983

Structural And Regulatory Studies On Rabbit Muscle Phosphofructokinase., Ella Lee Kelley

LSU Historical Dissertations and Theses

Rabbit muscle phosphofructokinase (EC 2.7.1.11; PFK) undergoes a time dependent lag in activity before attaining maximal catalytic velocity. This phenomenon, termed hysteresis, is evident when the enzymatic reaction is initiated with one of the substrates, fructose 6-phosphate (F 6-P). The lag is not manifested with initiation of the reaction by the other substrate, ATP, or with the enzyme. The length of the lag was found to be dependent upon enzyme concentration, pH, concentration of F 6-P, and the presence of inhibitors or activators in the incubation medium. A model is proposed which ascribes this phenomenon to a bisphosphate induced conformational …

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Inflammation And Leukocyte Responses Induced By Subcutaneous Turpentine Inoculation Of Young Alligator Mississippiensis., Margarita Rosa Mateo Jan 1983

Inflammation And Leukocyte Responses Induced By Subcutaneous Turpentine Inoculation Of Young Alligator Mississippiensis., Margarita Rosa Mateo

LSU Historical Dissertations and Theses

Turpentine-induced skin reactions in young Alligator mississippiensis kept at 25(DEGREES)C were employed to study reptile inflammatory response. Skin lesions, harvested at intervals from 4 hours to 30 days post-inoculation exhibited no gross changes until day 24-26, when superficial skin necrosis and sloughing occurred. Early responses of congestion and dermal edema (4-8 hours) were seen by light microscopy, followed by necrosis and granulocyte migration (1-3 days). There was later predominance of monocytic cells, including vacuolated macrophages (7 days - 30 days). At 30 days post-inoculation, central dermal zones of necrotic debris were surrounded by palisades of vacuolated multinucleated giant cells and …

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Equine Infectious Anemia Virus: (1) The Generation Of Virus Variant Candidates. (2) Attempts To Titrate The Virus By Three Different Methods., Alberto Orrego Uribe Jan 1983

Equine Infectious Anemia Virus: (1) The Generation Of Virus Variant Candidates. (2) Attempts To Titrate The Virus By Three Different Methods., Alberto Orrego Uribe

LSU Historical Dissertations and Theses

Six serial passages of a cell-adapted strain of EIAV were conducted in Shetland ponies. The 16 recipient ponies became agar-gel immunodiffusion test positive by 25 days after inoculation, and it was observed that the virulence of this cell-adapted strain increased through the successive passages. Clinical signs were closely monitored and recorded, and macroscopic as well as microscopic lesions of EIA were also recorded and evaluated. The effect of EIAV upon blood components was determined after several of the febrile episodes, and the effect of the immunosuppressant dexamethasone on infected ponies were also studied. EIAV was isolated in fetal equine kidney …

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Equine Infectious Anemia Virus: Characterization Of Virion Polypeptides And The Biochemical Nature Of Antigenic Variation., Bharat Savailal Parekh Jan 1983

Equine Infectious Anemia Virus: Characterization Of Virion Polypeptides And The Biochemical Nature Of Antigenic Variation., Bharat Savailal Parekh

LSU Historical Dissertations and Theses

The polypeptide composition of purified radioactively labeled equine infectious anemia virus (EIAV) was investigated using high-resolution sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and guanidine hydrochloride gel filtration (GHCl-GF) to catalog key biochemical properties including molecular weights, stoichiometry, isoelectric points and modifications (glycosylation or phosphorylation). The results of these studies indicate that EIAV contains four major nonglycosylated proteins (p26, pp15, p11, and p9) and two glycoproteins (gp90 and gp45), which together account for greater than 95% of the total virion protein. Four minor polypeptides (p70, p61, p30, and p23) of unknown significance were also detected reproducibly. Comparisons of the major purified …

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The Effect Of Feedback Frequency On Performance In Applied Behavior Analysis: A Field Study., Jagdeep Singh Chhokar Jan 1983

The Effect Of Feedback Frequency On Performance In Applied Behavior Analysis: A Field Study., Jagdeep Singh Chhokar

LSU Historical Dissertations and Theses

Occupational safety continues to be a major social concern in spite of the attention which it has received over the years. While unsafe acts and behaviors have been major contributors to accidents, the attention paid to increasing safety by changing human behavior has only been sporadic. This study used an applied behavior analysis package of training, goal setting, and feedback as a behavioral approach to improving safety in an industrial setting. In addition, the effects of changing the frequency of feedback on safe behavior performance were investigated. All the employees in a plant engaged in the manufacture and repair of …

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The Effect Of Zinc Nutriture On Prostaglandin Synthesis And Fatty Acid Composition In Rat Testes., Prithiva Chanmugam Jan 1983

The Effect Of Zinc Nutriture On Prostaglandin Synthesis And Fatty Acid Composition In Rat Testes., Prithiva Chanmugam

LSU Historical Dissertations and Theses

To determine if zinc affects prostaglandin synthesis in the rat testis, one group of rats was fed a zinc deficient (< 1 ppm) diet and two control groups were pair fed and ad lib fed a zinc sufficient (100 ppm) diet. The diets of half the zinc deficient and pair fed rats were supplemented with docosapentaenoic acid to determine if low levels of this acid, observed in the testes of zinc deficient rats, was responsible for some of the symptoms of zinc deficiency in the testis. In the tunica, 6-keto-PGF(,1(alpha)) and PGE(,2) levels (ng/gm) were lower in zinc deficient rats compared to controls, but there was no difference when PG concentration was expressed as ng/mg protein. In the testis parenchyma, zinc deficient rats had higher levels of PGs, probably due to increased levels of the precursor, arachidonic acid. PG synthesis was greater in tunica compared to parenchyma and in both tissues 6-keto-PGF(,1(alpha)) levels were much higher than those of PGE(,2). Decosapentaenoic acid supplementation had no effect on testis weight, PGs or sperm counts. It also had no effect on 22:5(omega)6 concentration in testes lipids implying that the level of supplementation was too low to have an effect, if any, on the testes. It was concluded that zinc affects PG levels in the testes, but only indirectly, through an effect on protein and fatty acid levels. It was also concluded that PGI(,2) was the major PG produced by the testis and that PG synthesis was an important function of the tunica.

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Lsu General Catalog 1983-1984, Louisiana State University And Agricultural And Mechanical College Jan 1983

Lsu General Catalog 1983-1984, 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.

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The Use Of The Grotesque In The Plays Of Edward Bond., Ann Marie Demling Jan 1983

The Use Of The Grotesque In The Plays Of Edward Bond., Ann Marie Demling

LSU Historical Dissertations and Theses

A contemporary English dramatist, Edward Bond writes plays that have often been controversial because of their use of cruelty, violence, and other forms of bizarre behavior which can be considered grotesque. The grotesque is a concept originating in the fifteenth century as a term referring to primitive artwork combining various forms to create a fanciful design. The term broadened in the eighteenth century to include literature and drama. Possessing a negative connotation, it referred to elements which were ridiculous, incongruous, absurd, or deformed. The Romanticists of the nineteenth century favored the grotesque as a valid aesthetic element which acted as …

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The Theatre Management Of Alexandre Placide In Charleston, 1794-1812. (Volumes I And Ii) (South Carolina)., Richard Phillip Sodders Jan 1983

The Theatre Management Of Alexandre Placide In Charleston, 1794-1812. (Volumes I And Ii) (South Carolina)., Richard Phillip Sodders

LSU Historical Dissertations and Theses

This study focuses upon the management career of Alexandre Placide (c. 1750-1812) in Charleston, South Carolina, between 1794 and 1812. Initially a performer of pantomimes, ballets, and acrobatics, Placide came to America in 1791 after a distinguished career of approximately twenty-one years in Europe and the French colony of Saint-Domingue. For two years, he appeared in the principal theatre centers of this country, and in 1794, he arrived in Charleston to manage John Sollee's French Theatre, the most important French-speaking playhouse of early America, except for New Orleans. He eventually became the leading theatre figure in Charleston, and by 1802, …

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Circadian Systems In Development And Photoperiodism In Japanese Quail., Albert C. Russo Jr Jan 1983

Circadian Systems In Development And Photoperiodism In Japanese Quail., Albert C. Russo Jr

LSU Historical Dissertations and Theses

Section I: The daily rhythm of plasma levels of adrenal corticol hormones (ACH) differed in phase and amplitude in Japanese quail of different ages and reproductive condition. Treatment with thiouracil accelerated and thyroxine delayed maturation of the ACH rhythm and development of the reproductive system. In contrast to the ACH rhythm, the rhythm of plasma thyroxine concentrations was similar at all ages tested. Section II: The roles of circadian rhythms in photoperiodism as they relate to adrenal cortical hormone (ACH) were examined in male Japanese quail, Coturnix coturnix japonica. Plasma ACH concentration was found to undergo circadian variations, which varied …

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Cenobium 1983, Louisiana State University And Agricultural And Mechanical College, School Of Veterinary Medicine, Mica Landry, Jerry M. Law Jan 1983

Cenobium 1983, Louisiana State University And Agricultural And Mechanical College, School Of Veterinary Medicine, Mica Landry, Jerry M. Law

Cenobium Yearbook

Cenobium began publication in 1977 and continued through 1990. Produced by students, the yearbooks are a chronicle of the daily life and the special events experienced by veterinary students at the LSU School of Veterinary Medicine.

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Activity Of Myo-Inositol-1-Phosphate Synthase In The Epididymal Spermatozoa Of Rams., M. W. Loewus, R. W. Wright, K. R. Bondioli, D. L. Bedgar, A. Karl Jan 1983

Activity Of Myo-Inositol-1-Phosphate Synthase In The Epididymal Spermatozoa Of Rams., M. W. Loewus, R. W. Wright, K. R. Bondioli, D. L. Bedgar, A. Karl

Faculty Publications

Studies of six 8-9-month-old rams showed that the specific activities of myoinositol-1-phosphate synthase (EC 5.5.1.4) were highest in epididymal spermatozoa, intermediate in testis and lowest in epididymal tissue. The activity per spermatozoon decreased from caput to cauda. The levels of activity of myo-inositol-1-phosphate synthase in ejaculated spermatozoa from four 3-year-old rams and the seminal vesicles of two 3-year-old rams were insignificant, but in pooled Sertoli cells from the testes of young lambs, the specific activity was much lower than in epididymal spermatozoa although activity per cell was of the same order of magnitude. We conclude that epididymal spermatozoa contain a …

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Age-Related And Seasonal Variation In The Sertoli Cell Population, Daily Sperm Production And Serum Concentrations Of Follicle-Stimulating Hormone, Luteinizing Hormone And Testosterone In Stallions, L. Johnson, D. L. Thompson Jan 1983

Age-Related And Seasonal Variation In The Sertoli Cell Population, Daily Sperm Production And Serum Concentrations Of Follicle-Stimulating Hormone, Luteinizing Hormone And Testosterone In Stallions, L. Johnson, D. L. Thompson

Faculty Publications

No abstract provided.

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A Non-Hemolytic, Group B Streptococcus Infection Of Cultured Bullfrogs, Rana Catesbeiana, In Brazil., R. L. Amborski, T. G. Snider, R. L. Thune, D. D. Culley Jan 1983

A Non-Hemolytic, Group B Streptococcus Infection Of Cultured Bullfrogs, Rana Catesbeiana, In Brazil., R. L. Amborski, T. G. Snider, R. L. Thune, D. D. Culley

Faculty Publications

A systemic streptococcal infection in cultured bullfrogs in Brazil was characterized by necrotizing splenitis and hepatitis with hepatic and renal hemorrhage. A non-hemolytic Group B Streptococcus appeared to be the cause of the lesions, and the stimulus for the splenic reticuloendothelial hyperplasia observed in the animals. Stress may have been a factor in the development of the pathological condition.

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Energy Metabolism Pathways Of Hydrothermal Vent Animals: Adaptations To A Food-Rich And Sulfide-Rich Deep-Sea Environment., S. C. Hand, G. N. Somero Jan 1983

Energy Metabolism Pathways Of Hydrothermal Vent Animals: Adaptations To A Food-Rich And Sulfide-Rich Deep-Sea Environment., S. C. Hand, G. N. Somero

Faculty Publications

Examined the large pogonophoran tube worm Riftia pachyptila, clam Calyptogena magnifica, crab Bythograea thermydron, polychaete worm Alvinella pompejana, and an unidentified zoarcid fish. In general, enzymic activities found in the tissues of the vent animals were qualitatively and quantitatively similar to those of phylogenetically related shallow-living marine species, suggesting that the types of energy metabolism pathways, and the potential flux rates through these pathways, are similar in both groups. -from Authors

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