Digital Commons Network^™

Maldi-Tof Ms Data Processing Using Wavelets, Splines And Clustering Techniques., Shuo Chen

Electronic Theses and Dissertations

Mass Spectrometry, especially matrix assisted laser desorption/ionization (MALDI) time of flight (TOF), is emerging as a leading technique in the proteomics revolution. It can be used to find disease-related protein patterns in mixtures of proteins derived from easily obtained samples. In this paper, a novel algorithm for MALDI-TOF MS data processing is developed. The software design includes the application of splines for data smoothing and baseline correction, wavelets for adaptive denoising, multivariable statistics techniques such as clustering analysis, and signal processing techniques to evaluate the complicated biological signals. A MatLab implementation shows the processing steps consecutively including step-interval unification, adaptive …

Kinetics And Mechanism Of The Catalysis Of The Decomposition Of Hydrogen Peroxide By Schiff Base Complexes Of Copper(Ii)., Timothy Kum Beng

Electronic Theses and Dissertations

Spectroscopic studies have been used to describe the mechanism of the decomposition of hydrogen peroxide by solutions of a dimeric Cu(II) complex of a dissymetric Schiff base, [CuSALAD]₂.H₂O, and imidazole or methyl substituted imidazoles, B, which form monomeric CuSALAD.B₂ complexes, in aqueous ethanol solvent. Freezing point depression and vapor pressure lowering studies were carried out to confirm the dimeric nature of the [CuSALAD]₂.H₂O complex that had been previously reported. The stoichiometry of the [CuSALAD]₂.H₂O-imidazole equilibrium was extensively studied pointing to a 1:4 stoichiometry. The CuSALAD.B₂ adducts …

Requirement Elicitation Of Large Web Projects., David E. Frazier

Electronic Theses and Dissertations

One of the most important aspects of developing a large Web-based project is getting the correct requirements from the client. Time and money can be lost if the requirements are incomplete or inaccurate. Traditional Web design sources tend to gloss over this important activity.

Software engineering is a mature field that can help in the quest for more complete and accurate requirement gathering. This paper explores the ways that traditional software engineering techniques can be applied to Web projects. A methodology is presented based on both existing and new techniques. Several experiments are conducted to determine the usefulness of each …

The Analysis Of Missing Data In Public Use Survey Databases : A Survey Of Statistical Methods., Ping Xu 1975-

Electronic Theses and Dissertations

Missing data is very common in survey research. However, currently few guidelines exist with regard to the diagnosis and remedy to missing data in survey research. The goal of this thesis was to investigate properties and effects of three selected missing data techniques (listwise deletion, hot deck imputation, and multiple imputation) via a simulation study, and apply the three methods to address the missing race problem in a real data set extracted from teh National Hospital Discharge Survey. The results of this study showed that multiple imputation and hot deck imputation procedures provided more reliable parameter estimates than did listwise …

Cases Of University Faculty Conceptions And Practices Of Teaching, Assessment And Action Research., Carol Dianne Raubenheimer 1959-

Electronic Theses and Dissertations

Conceptions of teaching and learning held by faculty in higher education broadly reflect two dominant approaches, those that are teacher-focused and content oriented, and those that are student-focused and learner oriented (Entwistle, Skinner, Entwistle & Orr, 2000). Conceptions of teaching may be reflected in the pedagogical choices and practices of instructors, but this has not been well established at college level. Thus, an examination of such conceptions may advance the understanding of good teaching at the college level (Fernandez-Balboa & Stiehl, 1995). Using a case study approach this research (a) examined conceptions of teaching and learning, assessment, and action research …

Perceived Indicators Of Support Leading To The Successful Attainment Of The National Board For Professional Teaching Standards Certification., Richard W. Bales

Electronic Theses and Dissertations

There has been limited research completed to identify supports or supporting behaviors that assisted candidates while they were completing the national board certification process. Identifying support factors that assisted national board certified teachers to the successful completion of the process was the primary focus of this study.

A qualitative research method was used to interview national board certified teachers, their teaching colleagues, and their administrators. Questions were posed from the interview guides developed for each of the three targeted groups. Information derived from the interviews focused on the perceived supports that lead to the successful attainment of the national board …

Correlating Technology Surveys And Third- And Fifth-Grade Proficiency Levels In Math And Reading Throughout Tennessee., Gary L. Lilly

Electronic Theses and Dissertations

This study used two different sets of data collected through two distinct means during the 2002-2003 school year. To fulfill the federal accountability requirements related to the distribution of monies known as EdTech (2002), the Tennessee State Department of Education required every school within districts that accepted the formula EdTech funds to complete an online survey called the EdTech Tennessee Online Technology Evaluation or E-TOTE. The E-TOTE survey collected information on a variety of topics related to educational technology including questions about teaching and learning, educators' preparation and development, infrastructure, and equipment counts. The other set of data came from …

Papain: A Novel Urine Adulterant., David Burrows

Electronic Theses and Dissertations

The estimated number of employees in the United Stated screened annually for illicit drugs is approximately 20 million, with marijuana being the most frequently abused drug. Urine adulterants provide an opportunity for illicit drug users to obtain a false negative result on commonly used primary drug screening methods such as the Fluorescence Polarized Immunoassay (FPIA) technique. Typical chemical adulterants such as nitrites are easily detected or render the urine specimen invalid as defined in the proposed federal guidelines for specimen validity testing based on creatinine, specific gravity and pH. Papain is a cysteine protease with intrinsic ester hydrolysis capability. The …

Risk Perceptions Of Adults In The Town Of Unicoi, Tennessee, Regarding The Possible Building Of A Uranium Enrichment Plant., Shannon Kathleen Sellards

Electronic Theses and Dissertations

A prolonged siting controversy for a uranium enrichment facility has occurred in the Town of Unicoi, Tennessee. One hundred-seventy residents of Unicoi were interviewed using a questionnaire regarding the building of a proposed uranium enrichment facility for Unicoi. The questionnaire sought to determine relationships between residents’ risk perceptions and 18 variables. When the Fisher’s exact procedure was applied at α< 0.05, the results indicated several associations. Odds ratio measured the strength of association. Results are reported as crude measures of association. Risk perceptions were influenced by the choice of possible locations for the facility [p=0.0003; OR=32.6]. Residents' risk perceptions were associated with a history of working with nuclear materials [p=0.0476; OR=3.2]. Finally, risk perceptions were associated with residents' beliefs that the nuclear facility would affect their health [p=0.0001; OR=18.8]. These results are discussed in light of risk perception and communication theories.

Electrical Charge Distribution Studies In Swnt, C60@Swnt, And Dwnt Structures., Jose E. Rivera 1961-

Electronic Theses and Dissertations

Single Walled Carbon Nanotubes (SWNTs), Double Walled Carbon nanotubes (DWNTs) and C60@SWNT (peapods) are three of well-ordered all-carbon nanostructures. Peapods are SWNTs filled with C60 fullerene peas. At high temperatues, C60 molecules coalesce into a long internal SWNT forming a DWNT. Charge transfer properties on SWNTs (both donor and acceptor type) have been studied intensively by various groups. Few groups have conducted such studies on peapods and DWNTs. In a recent study on Br2 doping of DWNTs using Raman spectroscopy, it has been found that the net charge primarily resides on the outer tube revealing molecular Faraday cage effect even …

Web Based Evaluation Of Material Handling Alternatives For Automated Manufacturing : A Parallel Replications Approach., John B. Casebier 1973-

Electronic Theses and Dissertations

This research project describes the application of a master/slave configuration of processors to study a comparison of alternative material handling configurations for automated manufacturing. Such a study usually requires a large number of simulation replications, and carrying out those replications on a multi-processor platform can yield a significant savings in elapsed time. The objective of this study is to develop such a platform. In the present application, a parallel replication simulation system is developed to foster simultaneous processing. This system utilizes two separate applications to facilitate communication between master and slave computers. Additionally, the "master" and "slave" or "client" applications …

Building A Model Of Campus Diversity: An Organization-As-The-Individual Based Approach, Ian Spencer Ray

Electronic Theses and Dissertations

Diversity is a vital concept when engaging with modern social science research and among higher education practitioners. Despite the pervasive discourse surrounding diversity, equity, and inclusion (DEI) initiatives, quantification of diversity remains a challenge across the social sciences. This study proposes a new conceptual framework, applies the framework to the quantification of diversity and measurement of its impacts. Further, this study demonstrates the robustness of the new conceptual framework alongside the positive impacts of diversity on institutional outcomes.

The Organization-As-The-Individual (OATI) framework arises from an integration of the social and biological sciences. The framework argues that humans, as biological organisms, …

Using The Em Algorithm To Estimate The Difference In Dependent Proportions In A 2 X 2 Table With Missing Data., Alain Duclaux Talla Souop

Electronic Theses and Dissertations

In this thesis, I am interested in estimating the difference between dependent proportions from a 2 × 2 contingency table when there are missing data. The Expectation-Maximization (EM) algorithm is used to obtain an estimate for the difference between correlated proportions. To obtain the standard error of this difference I employ a resampling technique known as bootstrapping. The performance of the bootstrap standard error is evaluated for different sample sizes and different fractions of missing information. Finally, a 100(1-α)% bootstrap confidence interval is proposed and its coverage is evaluated through simulation.

Family Literacy—Predictors Of Program Participation And Goal Attainment In Kentucky., Zelma Renae Stewart Harrison

Electronic Theses and Dissertations

The purpose of this study was to investigate how various components of family literacy programs such as operational characteristics (enrollment procedure, hours of operation, time of class, curriculum selection, type of instruction, and age of child served) and staff characteristics (gender, full or part time status, and educational attainment level) influence the recruitment, and goal attainment of adults in family literacy programs. This research investigated factors that could help educational administrators improve family literacy programs through increased enrollment, and improvement of goal attainment of participants. This exploratory, quantitative study utilized 2002-03 data submitted by family literacy programs in Kentucky. Two …

Modeling Real Gases And Liquids Using A Modified Van Der Waals Equation Of State., Andrew James Sexton 1981-

Electronic Theses and Dissertations

Equations of state attempt to describe the relationship between temperature (T), pressure (P), and molar volume (v) for a given substance or mixture of substances. The ideal gas law is the simplest form of an equation of state. An ideal gas can be considered as a large quantity of small molecules that have no friction, no attractive or repulsive forces. The ideal gas law is a reasonable approximation at low pressures and high temperatures, but not at higher pressures and lower temperatures. Thus, better methods for predicting real gas behavior have been continuously introduced over the past 200 years. Another …

A Qualitative Study Of Teachers' Perceptions Of Staff Development In Three Public Northeast Tennessee Elementary School Districts., Rebekah Ellen Barnard

Electronic Theses and Dissertations

This study serves as an insight into teachersÆ perceptions of their staff development experiences. With the constraints under the No Child Behind Act, teachers, schools, and school systems are faced with the challenge of meeting extremely high standards with students. Although standards such as these expectations have never been met, it remains that teachers are faced with attempting this task. Teachers shared their perceptions of the staff development experiences they have received. Student achievement and its relationship to staff development was explored. Teachers discussed perceived factors that influenced staff development training. Also, included in the study was teachers' perceptions …

3d Animation: Creating An Experiential Environment., Dorai Raj Arjunan

Electronic Theses and Dissertations

This thesis is a supporting paper for three of my 3D animations created and presented for a Master of Fine Arts graduate exhibition. It discusses how the two realms of graphic design and 3D animation helped me to develop my heuristic techniques of creating animations. Using the three animations as examples, I make an attempt to explain how linear and figurative images influence each other in the creative process of creature/character development. I also discuss the various influences and cumulative explorations behind the imageries of animation. A brief discussion about Asian Indian aesthetic concepts and the general methodology of creating …

Planar Graphs : A Historical Perspective., Rick Alan Hudson 1978-

Electronic Theses and Dissertations

The field of graph theory has been indubitably influenced by the study of planar graphs. This thesis, consisting of five chapters, is a historical account of the origins and development of concepts pertaining to planar graphs and their applications. The first chapter serves as an introduction to the history of graph theory, including early studies of graph theory tools such as paths, circuits, and trees. The second chapter pertains to the relationship between polyhedra and planar graphs, specifically the result of Euler concerning the number of vertices, edges, and faces of a polyhedron. Counterexamples and generalizations of Euler's formula are …

Software Integrity Management System., Joseph H. Brown 1980-

Electronic Theses and Dissertations

The purpose of this thesis is to design, implement, and evaluate a software package that is mutli-platform and will provide software integrity management (SIM). The software package is implemented in Java and will perform two hashing algorithms, Message Digest version 5 (MD5) and Secure Hashing Algorithm 1 (SHA-1), in order to verify the integrity of executable files. These records of executables and their hash value will be stored in flat database files. The database files will be stored off site on multiple servers. Each server will hold a file corresponding to the hash algorithm that was used. By storing the …

Thermal Analysis Of Microhotplates Using Computer Aided Design And Simulation Software., Hiren Vrajlal Trada 1977-

Electronic Theses and Dissertations

This thesis is based on work done as part of a bigger project supported by Naval Research Laboratories (NRL). A MOSIS fabricated micro hotplate is simulated using the CAD software CoventorWare. There are three different sized hotplates in one die; viz. small, medium and large. The files designed in L-EDIT, are imported into CoventorWare which is used to build a 3-D model and perform various simulations on the models. A voltage sweep is applied to the hotplate terminals for different values of convection coefficients and the resulting temperature data is gathered. This data is compared with experimental data to obtain …

The Visual Perception Of Distance In Action Space., Bing Wu 1973-

Electronic Theses and Dissertations

This work examines our perception of distance within "action space" (about 2m ~ 30m), an ability that is important for various actions. Two general problems are addressed: what information can be used to judge distance accurately and how is it processed? The dissertation is in two parts. The first part considers the "what" question. Subjects' distance judgment was examined in real, altered and virtual environments by using perceptual tasks or actions to assess the role of a variety of intrinsic and environmental depth cues. The findings show that the perception of angular declination, or height in the visual field, is …

A Vulnerability Assessment Of The East Tennessee State University Administrative Computer Network., James Patrick Ashe

Electronic Theses and Dissertations

A three phase audit of East Tennessee State University's administrative computer network was conducted during Fall 2001, Spring 2002, and January 2004. Nmap and Nessus were used to collect the vulnerability data. Analysis discovered an average of 3.065 critical vulnerabilities per host with a low of 2.377 in Spring 2001 to a high of 3.694 in Fall 2001. The number of unpatched Windows operating system vulnerabilities, which accounted for over 75% of these critical vulnerabilities, strongly argues for the need of an automated patch deployment system for the approximately 3,000 Windows-based systems at ETSU.

Cephalogram Pseudo-Color And Emboss Enhancements : Anatomical Landmark Clarity In Photostimuable Phosphor Cephalometrics., Ryan B. Wiesemann 1977-

Electronic Theses and Dissertations

Purpose: To evaluate baseline and 3 different image enhancements for the detection of landmarks and overall perceived quality in photostimuable phosphor cephalograms. Methods: DenOptix images of 48 patients (plus 12 repeats) were presented randomly to 10 observers who rated 11 anatomic landmarks and overall appearance (1 = poor; 2 = satisfactory; 3 = excellent). Equal numbers of 16-bit images with single peak (SP) 16-bit double peak (DP) histograms and 8-bit images were included. Enhancements used were: (1)emboss; (2)pseudocolor; and (3)emboss-pseudocolor. The Friedman Test with Wilcoxon post hoc analysis was applied. Results and conclusion: The results support the use of emboss …

The Development Of An Innovative Adder Design Evaluated Using Programmable Logic., James A. Haas 1971-

Electronic Theses and Dissertations

This research evaluates an innovative binary adder design and compares it against five standard adder designs. It begins with an algorithmic description of the five standard designs followed by the innovative design. It uses two metrics, speed and size, to establish a fair comparison among the designs and draw conclusions about the performance and usability of the innovative design. The metrics are applied to theory, simulation, and implementation of the adder designs. The latter part of the research draws conclusions from the analysis of these metrics to establish a fair comparison between the innovative and existing designs. The five standard …

The Digital Divide: A Study Of The Intra-Ethnic Divide Within The African American Population In Johnson City, Tennessee., Sonja E. Schreckenberg

Electronic Theses and Dissertations

This study examined how much access African American adults 25 years and older, living in Johnson City, Tennessee had to computers, and the factors that most influenced such access. Data was collected from 271 persons living in the area. Statistical analysis was done using SPSS software to determine how certain demographics would contribute to the level of computer access.

Results from the study revealed that a digital divide existed within the African American community, with income being a strong determinant of access to computers. The highest level of access for the sample was in the salary range of $50,000-74,999. Computer …

Differentials Of Graphs., Jason Robert Lewis

Electronic Theses and Dissertations

Let G=(V,E) be an arbitrary graph, and consider the following game. You are allowed to buy as many tokens from a bank as you like, at a cost of $1 each. For example, suppose you buy k tokens. You then place the tokens on some subset of k vertices of V. For each vertex of G which has no token on it, but is adjacent to a vertex with a token on it, you receive $1 from the bank. Your objective is to maximize your profit, that is, the total value received from the …

Locating And Total Dominating Sets In Trees., Jamie Marie Howard

Electronic Theses and Dissertations

A set S of vertices in a graph G=(V,E) is a total dominating set of G if every vertex of V is adjacent to some vertex in S. In this thesis, we consider total dominating sets of minimum cardinality which have the additional property that distinct vertices of V are totally dominated by distinct subsets of the total dominating set.

The Use Of Rotation Model Sunday School., Heather Renee Jones

Electronic Theses and Dissertations

As outlined in this paper, Rotation Model (RM) Sunday school employs early childhood education practices. This study investigates the attitudes of parents, children's Sunday school leaders, and children in RM Sunday school compared to those in Non-Rotation Model (NRM) Sunday school. The purpose of the study was to determine if the attitudes of children and adults involved in RM were more positive than children and adults not participating in the model. Thirteen churches in East Tennessee and Southwest Virginia participated in the study. Surveys rating attitudes toward Sunday school were completed by 100 children and 63 adults. Results showed no …

The Fountainhead: The Evolving Roles Of The Heroic Code Into The Antiheroic Mode., Erin Hogshead

Electronic Theses and Dissertations

This study examines Russian-American author Ayn Rand's novel The Fountainhead, as a development of a heroic personae in the twentieth century. The Fountainhead examines the traditional hero defined by Joseph Campbell and the antihero's break from the traditional hero's code. The information gathered comes from books, interviews, and journals discussing the studies of the traditional hero, the antihero, and The Fountainhead. Through the actions of the protaganist, Howard Roark, the antihero is explained and vindicated. Howard Roark's role as the antihero is examined through Ayn Rand's philosophy and by the roles of the other characters in the novel. The development …

Determination Of Lactose By Reversed-Phase High Performance Liquid Chromatography., Danessa Leann Sexton

Electronic Theses and Dissertations

Lactose is the common disaccharide found in dairy products. It can, however, be a source of discomfort for those whom are lactose intolerant. Therefore, it is necessary to accurately, reliably, and efficiently determine the lactose content of foods. The goal of this research was to develop a reversed-phase HPLC method with UV detection for the determination of lactose. Aminobenzoic acid was used to prepare a derivative, making detection possible in the 300-360 nm region. The stationary phase is a C8 column, with 85% methanol 15% water mixture at pH 5 as the mobile phase. A linear response of peak area …