UNT Theses and Dissertations - 79 Matching Results

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The Antibiotic Activities of Some Members of the Cactaceae Family

Description: This problem has been concerned with, first, the collection of sixteen species of plants belonging to Cactaceae family; second, the drying of these and the extraction of the oleoresins thereof; third, the determination of the extent to which these substances inhibit the growth of ten gram-positive and ten gram-negative bacterial organisms; and fourth, a determination of the possible utilization of these extracts a prophylactic or chemotherapeutic agents.
Date: 1951
Creator: Gilmore, Derward E.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Microbial Survey of Raw Ingredients Used in Finished Products at Kraft Foods Company, Garland, Texas

Description: The purpose of this investigation is to determine through routine checks the number of organisms present in the various raw ingredients used for the preparation of foods. The problem has consisted of, first, a determination of the total bacterial population by numbers; second, a determination of the incidence of colon bacteria in the samples examined; third, a determination of the presence of yeasts and molds; and fourth, an attempt to utilize this information obtained in judging the methods of… more
Date: 1951
Creator: Langston, Clarence Walter, Jr.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Isolation and Identification of Bacterial Species Associated with the Common House Fly and Three Species of Cockroaches

Description: In an attempt to demonstrate the role of insects as possible carriers of pathogenic bacterial organisms this investigation has been concerned with the determination of the microbial population associated both internally and externally with the common house fly and three species of the cockroach.
Date: 1951
Creator: Morland, Clifford L.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Isolation, Identification and Cultivation of Four Phytopathogenic Fungi

Description: This investigation includes a morphological and cultural study of four rather common pathogenic fungi one of which attacks Zinnia elegans, one Lagerstroemia indica, one Ligustrum lodense and one Euonymus japonica. The problem includes, first, a determination of the genera of these four fungi as revealed by their morphology in natural habitat; second, a determination of the growth and cultural characteristics of these on Cornmeal, Potato, Bean, Prune and Carrot agars; third, a comparison of the … more
Date: 1951
Creator: Parks, Leroy W.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Isolation, Cultivation and Testing of Organisms Anatagonistic to a Streptomycin Resistant Strain of Pseudomonas Aeruginosa

Description: The problem of finding an efficient antibiotic against Pseudomonas aeruginosa which can be used in the clinical treatment of genito-urinary tract infections resistant to treatment by streptomycin has not yet been solved. Therefore, this problem has consisted of first, the acquisition of possible inhibitors of the streptomycin resistant strain of Pseudomonas aeruginosa; second, the selection and identification of those which show a marked antagonism toward this organism; third, the determination… more
Date: 1951
Creator: Banister, Jack Warren
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Antibiotic Effect of Pigmented Actinomycetes

Description: This thesis attempts, first, to correlate pigmentation of actinomycetes with the degree of antibiocity; second, to establish the most favorable means of producing a rich luxuriant pigmentation in the individual organism studied by enriching favorable media with specific types of proteins and amino acids.
Date: 1951
Creator: Cichon, Casimir Joseph
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Age, Growth, and Food Habits of the Largemouthed Black Bass (Micropterus Salmoides) and the Spotted Bass (Micropterus Puctulatus SSP) in North and East Texas Lakes

Description: This study is based on the examinations and analyses of 388 largemouthed black bass (Micropterus salmoides) and 118 spotted black bass (Micropterus puctulatus ssp.) which were collected over a period of three years from 9 lakes in the North-Central and East Texas areas. The results should show the following: (1) the average age of the black bass in each of the nine reservoirs in Texas; (2) the growth rate of the bass in these reservoirs; (3) the feeding habits of the bass in all reservoirs stud… more
Date: 1950
Creator: Cooper, William A.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Correlation of the Vegetation with the Soil Types of Haskell County, Texas

Description: The problem has consisted, first, of a mapping of the soil types present in Haskell County; second, a collection of the existing vegetation of each soil type; third, an identification of the vegetation collected and observed; fourth, and lastly, a comparative study of the vegetation of each soil type in an effort to establish a correlation between the vegetation and the soil type.
Date: 1950
Creator: Tyson, Josiah William, Jr.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Inhibition of Fungal Contaminants in Cultures of Mycobacterium Tuberculosis

Description: The problem of conatmination in culture media for Mycobacterium tuberculosis has not been solved completely, and for this reason the work herein presented was carried out. In this work experiments were made testing the effect of actidione in inhibiting certain ones of the higher fungi.
Date: 1951
Creator: Wright, Noble M.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Grassland Evaluation of Eastland County, Texas

Description: This investigation has had for its purpose the determination of first, all members of the Gramineae (Grass) family found in the county; second, the incidence of each species with the various types of soil; third, the grazing value of each species; fourth, the life span of the parent plants; fifth, the present grassland status; and sixth, the potentialities of developing desirable grassland.
Date: 1951
Creator: Durham, Norman Nevill
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Antibiotic Properties of the Oleoresins of Twenty-Five Common Garden Vegetables

Description: The purpose of this problem is to determine the presence and extent of antibiotic materials as found in the oleoresins of a selected group of garden vegetables. The problem has consisted of, first, the collection and preparation of specimens of twenty-five commonly used garden vegetables; second, the extraction of the oleoresins from these; third, the determination of the inhibitory and other effects of these oleoresins against several strains of selected gram-positive and gram-negative bacteri… more
Date: 1951
Creator: Ennis, Arthur F.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Sensitivity of Human Blood Plasma to the Coagulase Enzyme Secreted by Members of the Genus Micrococcus

Description: The problem in this investigation consisted of, first, the isolation from human sources and identification of thirteen cultures of typical micrococci to be used as test organisms; second, the acquisition of blood plasma from thirty different human beings; and third, the determination of the possibility of individual variation in sensitivity of blood plasma to the micrococci used as test organisms as revealed by the coagulase test.
Date: 1950
Creator: Coultas, John T.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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In Vitro Determination of the Cellulose-Decomposing Rates of Twelve Denton County, Texas Soils

Description: In this study twelve types of top soil were collected under aseptic conditions. The cellulose-decomposing rates of these were compared in order to determine the relative rates in the cellulose-decomposing potential of the microorganisms involved. Furthermore, this investigation is designed to acquire pertinent information on the rate at which natural cellulose materials are returned to available plant food.
Date: 1950
Creator: Heather, Carl D.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Study of Some Congenital Anomalies of the Teeth

Description: Anomalies of the teeth include a variety of expression such as: anodontia, hyperdontia, peg teeth. opalescent dentine, mottled enamel, and other imperfections of the teeth. This paper is concerned primarily with anodontia in human subjects, although other abnormalities of interest are mentioned. Insufficient datum is the principal difficulty encountered in determining the mechanism and means of transmission in human genetics. Small families, slow breeding, and inability to subject humans to exp… more
Date: August 1955
Creator: Jones, Alvin Watt
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Water Quality Study of Lake Texoma

Description: A series of four stations for sampling the waters of the Red Rivers and Lake Texoma was established. Water samples from top, middle, and bottom levels of these four stations were taken on monthly intervals during periods of homothermousity and on two-week intervals during periods of thermal stratification. These samples were analysed for the cations sodium, potassium, calcium, and magnesium, and for the anions normal carbonate, bicarbonate, sulfate, chloride, nitrate, water hardness (expressed … more
Date: June 1959
Creator: Goodman, John Willis
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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An Evaluative Study of the Grasslands of the R.J. McMurry Ranch, Denton County, Texas

Description: It is the purpose of this problem to classify the four major pastures of the McMurry ranch using the discussed classification system. The definite measurable qualities characterizing each condition of the system are used extensively in this study. The problem is concerned also with the observation of results of misuse, the present practices that could result in further depletion of portions of the McMurry ranch, and procedures being employed at the present time aimed toward the restoration of t… more
Date: June 1951
Creator: Nolen, Bette Rudd
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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