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2006

University of Nevada, Las Vegas

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Lakesha And Kushawn: A Cultural Linguistic Approach To Afro-American Onomastics, Clara J Senif Jan 2006

Lakesha And Kushawn: A Cultural Linguistic Approach To Afro-American Onomastics, Clara J Senif

UNLV Retrospective Theses & Dissertations

This thesis is a cultural linguistic study of Afro-American naming patterns from the 1960's through the present. I show that personal name choices are reflective of the cultural-historical influences present at the time that any given name choice is made. In the Afro-American community this influence is reflected in the manifestation of an entirely new pattern of names which are herein labeled as 'constructive'. Constructive names are formed by the use of one or more 'freefixes' and will be shown to be illustrative of the Afro-American desire for ethnic identity collectively and individually.


Paleoepidemiology Of Bacterial Infections Among Prehistoric Human Populations In Northern Chile: An Ancient Dna Approach, Luz-Andrea Pfister Jan 2006

Paleoepidemiology Of Bacterial Infections Among Prehistoric Human Populations In Northern Chile: An Ancient Dna Approach, Luz-Andrea Pfister

UNLV Retrospective Theses & Dissertations

Bacterial pathogens not primarily affecting the skeleton but causing sepsis and death, have not been systematically studied in prehistoric human populations, although increasing evidence support our species long co-evolution with many of them. With molecular methods we can identify bacteria at the species level and distinguish pathogenic from environmental and soil bacteria. Bone marrow of ancient people may provide valuable information about ancient pathogens causing sepsis and death. To test the hypothesis that PCR amplification using universal bacterial primers will identify prehistoric bacterial pathogens in bone marrow, 30 samples were aseptically obtained from partially mummified remains of three archaeological sites …


Hierarchical Approach For Character Recognition, Koushik Reddy Damera Jan 2006

Hierarchical Approach For Character Recognition, Koushik Reddy Damera

UNLV Retrospective Theses & Dissertations

This research mainly focuses on recognizing the handwritten character. Several efficient algorithms have been developed by us so far to separate: the handwritten characters from printed text character, the lines, the words, and each character. In this thesis, we concentrate on how to increase the efficiency of recognition of segmented handwritten characters. Certain characters share common features unique to each other, different from the rest of characters. These subsets of characters with common features are then further analyzed by the classifier thereby reducing the number of comparisons that are required. This results increasing the speed of character recognition.


An Arima-Model-Based Approach With Hazard Area For The Probability Of Volcanic Disruption Of The Proposed High-Level Radioactive Waste Repositiory At Yucca Mountain, Nevada, Usa, Xiaojuan Liu Jan 2006

An Arima-Model-Based Approach With Hazard Area For The Probability Of Volcanic Disruption Of The Proposed High-Level Radioactive Waste Repositiory At Yucca Mountain, Nevada, Usa, Xiaojuan Liu

UNLV Retrospective Theses & Dissertations

An interesting extension of advanced time-series analysis techniques is introduced into the domain of volcanological data exploration. A new and innovative use of the well-known ARIMA method for modeling the recurrence rate of volcanism ranging from simple Poissonian volcanoes to those showing cyclic trends is presented. Specifically, we propose a new tool to fingerprint the eruptive behavior of a volcano, which also links some modeling tools of two of the most developed areas in the literature of statistics: stochastic processes and time series. Valuable modeling and computing insights are discussed using a data set from the volcanic database at Yucca …


Roles Of Wrky Proteins In Mediating The Crosstalk Of Hormone Signaling Pathways: An Approach Integrating Bioinformatics And Experimental Biology, Zhen Xie Jan 2006

Roles Of Wrky Proteins In Mediating The Crosstalk Of Hormone Signaling Pathways: An Approach Integrating Bioinformatics And Experimental Biology, Zhen Xie

UNLV Retrospective Theses & Dissertations

The goal of my research is to understand the molecular mechanism by which hormones control seed germination. Gibberellins (GA) promote, while abscisic acid (ABA) and salicylic acid (SA) inhibit seed germination. Key molecules in these signaling pathways include receptors, secondary messengers, protein kinases and phosphatases, and transcription factors. My study focuses on how WRKY transcription factors modulate the expression of an alpha-amylase gene (Amy32b), which is up-regulated by GA, but down-regulated by ABA and SA in the aleurone cells of germinating seeds; Chapter 2 started with the annotation and phylogenetic analyses of the WRKY gene superfamily, followed by functional studies …