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  Partner: UNT Libraries
 Degree Discipline: Biology
 Collection: UNT Theses and Dissertations
A Comparative Study of Egg Media in the Primary Isolation of Mycobacterium Tuberculosis

A Comparative Study of Egg Media in the Primary Isolation of Mycobacterium Tuberculosis

Date: 1949
Creator: Barberousse, Loris J.
Description: The primary purpose of this investigation is not only to improve the present technique of culture of Mycobacterium tuberculosis, but also to make a comparative study of the media use, namely, Veterans Administration modification of Trudeau's medium, Lowenstein's egg medium, and that developed by the author, in order to find which, if any, of these will most easily and effectively meet the needs of the hospital laboratory.
Contributing Partner: UNT Libraries
A Comparative Study of Four Genealogies to Determine Predisposition to Cancer

A Comparative Study of Four Genealogies to Determine Predisposition to Cancer

Date: 1941
Creator: Andrew, Vivian Wilson
Description: This study was made in an effort first, to determine the mode of transmission of the inheritance of a predisposition to cancer as revealed through the analyses of four separate human genealogies, and second, to make a comparative study of the genealogies to determine whether the mode of transmission is the same.
Contributing Partner: UNT Libraries
A Comparative Study of Passive Transfer Mechanisms of Tuberculin and Chemical Contact Delayed Hypersensitivities in the Guiea Pig

A Comparative Study of Passive Transfer Mechanisms of Tuberculin and Chemical Contact Delayed Hypersensitivities in the Guiea Pig

Date: June 1970
Creator: Nunez, William Joseph
Description: This study is concerned with a critical comparison of the passive transfer mechanisms of tuberculin and chemical contact hypersensitivities in the guinea pig by use of a four phase experimental approach.
Contributing Partner: UNT Libraries
A Comparative Study of the D Cells of Certain Mammalian Islets of Langerhans

A Comparative Study of the D Cells of Certain Mammalian Islets of Langerhans

Date: August 1954
Creator: O'Brien, Larry Joe
Description: The purpose of this study is to describe and compare the D cells of the islets of Langerhans in six different species of mammals.
Contributing Partner: UNT Libraries
Comparative Ultrastructural Study between Young and Adult forms of Trypanosoma Lewisi

Comparative Ultrastructural Study between Young and Adult forms of Trypanosoma Lewisi

Date: August 1973
Creator: Abdul-Salam, Jasem M.
Description: The purpose of this study was to examine the ultrastructure of both young (dividing form) and adult (stationary form) of Trypanosoma lewisi. Changes observed between the two forms of the organism were related directly to data obtained from previous comparative biochemical studies conducted on these forms of Trypanosoma lewisi.
Contributing Partner: UNT Libraries
Comparison of Heteranthera Dubia (Jacq.) MacM.-associated Macroinvertebrates Between Georgraphical Regions in the United States

Comparison of Heteranthera Dubia (Jacq.) MacM.-associated Macroinvertebrates Between Georgraphical Regions in the United States

Date: May 2010
Creator: Harms, Nathan Earl
Description: Macroinvertebrates associated with the aquatic plant, water stargrass (Heteranthera dubia), were sampled from 12 waterbodies in four regions of the United States from June to August 2005. Taxa richness, evenness, and diversity were lowest in the Lower Midwest (LMW) region, and higher in Northern sites, especially the Upper Midwest (UMW), and Northeast (NE). While relative abundance varied from site to site and region to region, utilization of the plant by functional groups remained fairly constant. Collector-gatherers consistently comprised the largest portion of invertebrates sampled. The shredder/ herbivore functional group comprised an average of 17 % of total groups. Through an exhaustive literature review, it was found that shredder/ herbivores of water stargrass have not been reported in the literature. Because of this, the herbivore group was analyzed separately and consisted of 2,383 specimens representing 23 species. The most common groups were Rhopalosiphum sp., Nectopsyche spp. and chironomids. No differences were found in herbivore diversity or evenness between sampling regions, but species richness was significantly different.
Contributing Partner: UNT Libraries
Comparison of Remediation Methods in Different Hydrogeologic Settings Using Bioplume II

Comparison of Remediation Methods in Different Hydrogeologic Settings Using Bioplume II

Date: May 1996
Creator: White, Sherry A. (Sherry Anne)
Description: A contaminant fate and transport computer model, Bioplume II, which allows simulation of bioremediation in ground water systems, was used to compare the effects of 11 remediation scenarios on a benzene plume. The plume was created in three different hydrogeologic settings from the simulation of an underground gasoline storage tank leak.
Contributing Partner: UNT Libraries
A Comparison of Specificity of Passive Transfer of Chemical Contact Hypersensitivity Following Different Methods of Sensitization

A Comparison of Specificity of Passive Transfer of Chemical Contact Hypersensitivity Following Different Methods of Sensitization

Date: June 1967
Creator: Foster, Terry L.
Description: This thesis compares the specificity of passive transfer of chemical contact hypersensitivity following various methods of sensitization.
Contributing Partner: UNT Libraries
A Comparison of the Carbon Dioxide and Oxygen Rate of Change Methods for Measuring Primary Productivity

A Comparison of the Carbon Dioxide and Oxygen Rate of Change Methods for Measuring Primary Productivity

Date: May 1969
Creator: Trotter, Dennis M.
Description: The purpose of this study was to demonstrate the variability of oxygen and carbon dioxide rate of change methods for measuring primary productivity and respiration in an aquatic environment.
Contributing Partner: UNT Libraries
Composition and Distribution of the Vegetation in Farm Pastures in Denton County, Texas

Composition and Distribution of the Vegetation in Farm Pastures in Denton County, Texas

Date: 1946
Creator: Parker, Robert S.
Description: This investigation has for its aim the determination and the evaluation of the vegetational composition in certain farm pastures in Denton County, Texas.
Contributing Partner: UNT Libraries