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Client Compliance: Can Community Mental Health Outcomes Be Predicted?, Seth Parrott Jan 2011

Client Compliance: Can Community Mental Health Outcomes Be Predicted?, Seth Parrott

Social Work Theses - Archive

The purpose of this thesis project was to gain predictive insight into client behaviors that may affect treatment outcomes. This thesis uses data originally collected for a dissemination trial of Cognitive Behavioral therapy being introduced into Texas' community mental health system. Clients that attend scheduled therapy sessions and complete assigned homework to a higher degree are demonstrating better compliance with their treatment. It was hypothesized that those behaviors while factoring in symptom severity and amount of therapy would predict final treatment outcomes as measured by a decrease in symptoms. Multiple regression analysis of 85 participants all diagnosed with Major Depression …

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Not Just A Playground Issue: Bullying Among Older Adults, Madeline Rex-Lear Jan 2011

Not Just A Playground Issue: Bullying Among Older Adults, Madeline Rex-Lear

Psychology Dissertations - Archive

This dissertation examined associations between peer bullying and physical and psychological health problems for a community dwelling population of older adults (> 60 years). Participants' age ranged from 60-99 years (M = 74, SD = 8.27). Frequency and severity of physical health problems were measured while controlling for retrospective reports of past health problems and past victimization. Approximately 24% of older adults reported being bullied by their peers. Current victimization predicted physical health problems and somatic complaints, but the magnitude of the effect was stronger for men than it was for women. Current victimization also predicted both internalizing and externalizing …

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University Of Texas At Arlington Extensive Green Roof, David Hopman Jan 2011

University Of Texas At Arlington Extensive Green Roof, David Hopman

Landscape Architecture Faculty Publications - Archive

The University of Texas at Arlington (UT-Arlington) installed the first extensive green roof in the Dallas / Fort Worth area in April of 2008. The roof was researched, designed, and is being managed by UT-Arlington associate professor and landscape architect David Hopman, ASLA. The approach to the roof is in keeping with the professional priorities of landscape architects and is not a narrowly focused scientific study such as the green roof research at Texas A&M University in College Station, Texas or the ongoing studies at The Ladybird Johnson Wildflower Center in Austin, Texas. The test roof at UT-Arlington is 100 …

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New Macrocyclic Glycopeptide Antibiotic For Chiral Hplc Stationary Phases And Ionic Liquids In Analytical Chemistry, Xiaotong Zhang Jan 2011

New Macrocyclic Glycopeptide Antibiotic For Chiral Hplc Stationary Phases And Ionic Liquids In Analytical Chemistry, Xiaotong Zhang

Chemistry & Biochemistry Dissertations - Archive

The main focus of this dissertation is on the development of new chiral stationary phases for HPLC and GC and the application of ionic liquids in analytical chemistry. They will be discussed separately in two parts. Enantiomeric separations continue to be of great interest to the pharmaceutical industry. It is because drug molecules of opposite chirality often possess distinctive effects in biological environments. Direct chromatography is one of the major techniques used to address the challenge of enantiomeric analysis. Macrocyclic glycopeptides are a very useful class of chiral selectors for HPLC stationary phases because of their broad enantioselectivity. A study …

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The Development Of The Catalytic Wittig Reaction, Zachary S. Nixon Jan 2011

The Development Of The Catalytic Wittig Reaction, Zachary S. Nixon

Chemistry & Biochemistry Dissertations - Archive

The formation of carbon-carbon double bonds with stereocontrol is of great importance to synthetic chemistry. The Wittig olefination involves the treatment of an aldehyde or ketone with a phosphonium ylide; yielding an alkene product with concomitant phosphine oxide byproduct. Mechanistic studies have shown that structural and electronic properties of the phosphine and halide reagent greatly influence the stereochemical outcome (E:Z) of the olefination. However, a significant limitation of the reaction is the difficulty of removing the phosphine oxide. A process catalytic in phosphine would alleviate the aforementioned concern and allow enhanced stereocontrol. Preliminary results led to the development of the …

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Slowing Dna Translocation In A Biological Protein Α-Hemolysin Ion Channel, R. Samanthi S. De Zoysa Jan 2011

Slowing Dna Translocation In A Biological Protein Α-Hemolysin Ion Channel, R. Samanthi S. De Zoysa

Chemistry & Biochemistry Dissertations - Archive

During the past decade, nanopore DNA sequencing has emerged as a revolutionary prospect towards a "$1000 genome" goal set by U.S. National Institute of Health. In the nanopore approach, electrophoretic movement of polynucleotide molecules through a nanopore would provide transient current blockades that are unique to each molecule. Since kilobase length DNA can be read directly without amplification or use of costly reagents such as enzymes and fluorescent tags, the nanopore approach can significantly reduce the sequencing cost. However, due to the rapid DNA translocation velocity through the nanopore, accurate detection of single nucleotide bases via the electrophoretically driven approach …

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Ion Exchanger Based Ion Generation And Removal Devices. Behavior And Applications, Yongjing Chen Jan 2011

Ion Exchanger Based Ion Generation And Removal Devices. Behavior And Applications, Yongjing Chen

Chemistry & Biochemistry Dissertations - Archive

Ion exchangers have many important applications. In Ion chromatography (IC), ion exchangers are used as stationary phase and used in some of the key components. The innovations that make the modern IC the most popular techniques for ion analysis are closely related to ion exchangers. Using the ion exchangers and inspired by some of the innovations in electrolytic devices of IC, the research in this dissertation mainly consists of four parts: A charge detector (ChD) is a flow-through device where a cation exchange membrane (CEM) and anion exchange membrane (AEM) separating three channels. One electrode is disposed in each of …

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Mixed Lineage Luekemia Histone Methyltransferases In Hormonal Regulation Of Hoxb9 And Target Gene Regulation, Bishakha Shrestha Jan 2011

Mixed Lineage Luekemia Histone Methyltransferases In Hormonal Regulation Of Hoxb9 And Target Gene Regulation, Bishakha Shrestha

Chemistry & Biochemistry Dissertations - Archive

Homeobox gene (HOX) genes are evolutionary conserved genes that play important roles in cell differentiation, cell proliferation and embryogenesis. HOX genes bind to the DNA via their homeodomain and act as transcription factors. Of the 39 HOX genes present in human, HOXB9 is known to be a critical player in skeletal and mammary gland development. HOXB9 also regulates renin gene expression which is a critical player in Renin-Angiotensin system. Recent studies also demonstrate that HOXB9 is critical for angiogenesis. I have investigated transcriptional regulation of HOXB9 and its potential biochemical function during cell cycle progression and tumorigenesis. My studies demonstrate …

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Solid State Light Source Based Analytical Measurement Systems For Atmospheric Particles, Shilpa Rashinkar Jan 2011

Solid State Light Source Based Analytical Measurement Systems For Atmospheric Particles, Shilpa Rashinkar

Chemistry & Biochemistry Theses - Archive

Solid-state light sources such as light-emitting diodes, use a solid semiconductor block instead of a conventional heated filament or discharge source. Such light sources are preferred in analytical instrumentation because of various environmental benefits, cost benefits and most importantly performance benefits due to their characteristic features. This thesis deals with the fabrication of solid-state light source based analytical instrumentation for measuring size distribution and spectral absorption characteristics of ambient aerosol particles and provides insights into the behavior of aerosol organic carbon concentrations determined in a continuous and automated manner. Various analytical instruments are commercially available for either measuring the particle …

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A Diffusionless Transformation Path Relating Th₃P₄ And Spinel Structure Opportunities To Synthesize Ceramic Materials At High Pressures, Arindom Goswami Jan 2011

A Diffusionless Transformation Path Relating Th₃P₄ And Spinel Structure Opportunities To Synthesize Ceramic Materials At High Pressures, Arindom Goswami

Chemistry & Biochemistry Theses - Archive

Physical properties of solids at high pressure hold the key to many interesting questions in earth and planetary sciences, as well as in applied sciences. At high pressure, most ambient-pressure materials become unstable and transform into new and denser phases. In recent years, many solids with new structure types have been realized at high pressure through experiments and predicted in numerical simulations. Some of these structures are novel and had not been seen at ambient pressure. Some possess a variety of electronic states, i.e., metallic, superconducting, or super-hard states [YAO08]. These discoveries are of high interests both for their potential …

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Shear Behavior Of Steel Fiber Reinforced Prestressed Concrete Beams Without Shear Reinforcement, Jae-Sung Cho Jan 2011

Shear Behavior Of Steel Fiber Reinforced Prestressed Concrete Beams Without Shear Reinforcement, Jae-Sung Cho

Civil Engineering Dissertations - Archive

The ACI 318-08 building code allows to use the steel fiber reinforcement as alternative shear reinforcement with satisfying certain criteria when a beam is required minimum shear reinforcement. However, this provision applies to a nonprestressed and prestressed concrete beam such that it could be conservative since the shear strength of prestressed concrete beam is generally enhanced due to the prestressing force. This is due partially to the fact that the provision has been accepted based on researches, mostly conducted in nonprestressed concrete beam. Most of experiments conducted for prestressed concrete beam in small scale tests, with a height of specimens …

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Bismuth-Based Oxide Semiconductors: Mild Synthesis And Practical Applications, Hari Krishna Timmaji Jan 2011

Bismuth-Based Oxide Semiconductors: Mild Synthesis And Practical Applications, Hari Krishna Timmaji

Earth & Environmental Sciences Dissertations - Archive

In this dissertation study, bismuth based oxide semiconductors were prepared using 'mild' synthesis techniques - electrodepostion and solution combustion synthesis. Potential environmental remediation and solar energy applications of the prepared oxides were evaluated. Bismuth vanadate (BiVO₄) was prepared by electrodeposition and solution combustion synthesis. A two step electrosynthesis strategy was developed and demonstrated for the first time. In the first step, a Bi film was first electrodeposited on a Pt substrate from an acidic BiCl₃ medium. Then, this film was anodically stripped in a medium containing hydrolyzed vanadium precursor, to generate Bi3+, and subsequent BiVO₄ formation by in situ precipitation. …

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Identifying Possible Hydrologic Recharge Zones In The Sangre De Cristo Aquifer On The Milliken Ranch In Las Vegas, Nm, Ian Hamilton Jan 2011

Identifying Possible Hydrologic Recharge Zones In The Sangre De Cristo Aquifer On The Milliken Ranch In Las Vegas, Nm, Ian Hamilton

Earth & Environmental Sciences Theses - Archive

Groundwater at the periphery of mountain ranges in the desert southwest has its provenance in two possible sources: local or regional flow. This study sought to identify the source of deep groundwater from wells on ranches in the Hogback area west of Las Vegas, NM, an area under scrutiny as a possible source for municipal use. Surface and groundwater samples were taken in the area and analyzed for water chemistry and stable isotope ratios of deuterium and oxygen-18. Ratio values were plotted against the Global Meteoric Water Line (GMWL) and also plotted on an interpolated map of precipitation values for …

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Wireless Health Monitoring And Improvement System For Wind Turbines, Suratsavadee Koonlaboon Korkua Jan 2011

Wireless Health Monitoring And Improvement System For Wind Turbines, Suratsavadee Koonlaboon Korkua

Electrical Engineering Dissertations - Archive

Wind power has become the world's fastest growing renewable energy resource. The world-wide wind power installed capacity has exceeded 120 GW. The United States has set a target of 20% wind-based electricity generation, over 300 GW, by 2030. As wind power is growing towards becoming a major utility source, it is urgent to guarantee the reliable operation of wind power systems. To avoid unexpected equipment failures, the focus in most wind farm is shifting from scheduled preventive maintenance to predictive maintenance. Predictive maintenance by condition-based monitoring of electrical machines is a scientific approach that is becoming a new strategy for …

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Short Circuit Analysis And Circuit Breaker Interrupting Capability Validations For Industrial Power Plants, Vijayanand Appanaicknepatti Ramachandran Jan 2011

Short Circuit Analysis And Circuit Breaker Interrupting Capability Validations For Industrial Power Plants, Vijayanand Appanaicknepatti Ramachandran

Electrical Engineering Theses - Archive

The purpose of this study is to determine the short circuit current as well as evaluate the interrupting capability of the circuit breaker with higher accuracy for industrial power plants. Power plant protection and coordination involves prevention of injury to personnel, minimizing damage to the system components, and limiting the extent and duration of service interruption whenever equipment failure, human error, or adverse natural events occur on any portion of the system. The cause for any of these circumstances is very unpredictable, but through sound system design we can reduce the levels of impact. Power plant protection is one of …

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Control System For Real Time Jitter Reduction And 3d Reconstruction Of Road Profile, Digant Shah Jan 2011

Control System For Real Time Jitter Reduction And 3d Reconstruction Of Road Profile, Digant Shah

Electrical Engineering Theses - Archive

A large number of bridges, overpasses and other similar structures fail due to deterioration caused by factors such as vehicle loads, impact loads, severe weather conditions, etc. Routine monitoring of such structures is essential to prevent loss of life and property. This thesis explores the feasibility of a 3D bridge monitoring system as a novel way for bridge health analysis. Specifically, the goal of this study is to investigate the use of a video control system for monitoring and synchronize video and surface profile components for a 3D bridge monitoring project. This thesis focuses on the concept of collecting video …

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Silicon Wafer Defect Segmentation Using Modified Pulse Coupled Neural Network, Chaitanya Telidevara Jan 2011

Silicon Wafer Defect Segmentation Using Modified Pulse Coupled Neural Network, Chaitanya Telidevara

Electrical Engineering Theses - Archive

Defect segmentation has been a focal point in silicon wafer inspection research and it remains challenging because the defects are complicated by large variations in intensity distribution. An algorithm for silicon wafer defect segmentation is developed using a modified pulse coupled neural network (PCNN). The modified PCNN is simple version of the PCNN in which segmentation depends only on the linking coefficient and initial threshold. The initial threshold and linking coefficient are determined automatically from image statistics using method described in [17] and Otsu's method respectively. The modified PCNN method was found to be simple and efficient for silicon wafer …

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Design And Development Of A General Purpose Embedded Acquisition System For Transportation Applications, Akshay Avinash Joshi Jan 2011

Design And Development Of A General Purpose Embedded Acquisition System For Transportation Applications, Akshay Avinash Joshi

Electrical Engineering Theses - Archive

The Texas Department of Transportation (TxDOT) uses many different instruments for quality assurance of new and existing pavements. These instruments measure the different characteristics of the pavement such as the longitudinal profile, transverse profile, texture, rut formation etc to determine the smoothness and ride quality of the pavement. These instruments mainly consist of different sensors such as a laser, an accelerometer and/or a gyroscope to calculate the ride quality. Different ride statistics like the International Roughness Index (IRI), Mean Profile Depth (MPD), Present Serviceability Index (PSI) are then calculated andused to determine the need for repair of the pavements. Currently …

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Wlan Based Indoor Localization, Sreejith Sisupalan Lathikumari Jan 2011

Wlan Based Indoor Localization, Sreejith Sisupalan Lathikumari

Electrical Engineering Theses - Archive

Localization based on received signal strength has been a topic of Interest due to its relative simplicity in measurement and minimal hardware requirements. Much of the research in this field has been on developing an indoor propagation model. A generic indoor propagation model has largely been unsuccessful due to the complex multipath environment present in indoor environments. The main focus of this study is to find the position of the target when the estimated distance from the measurement points are known. The straightforward approach to this problem is by using trilateration techniques. A novel weighted centroid based method is introduced …

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Pilot Based Channel Estimation For 3gpp Lte Downlink, Ankit Ashok Agarwal Jan 2011

Pilot Based Channel Estimation For 3gpp Lte Downlink, Ankit Ashok Agarwal

Electrical Engineering Theses - Archive

Channel estimation is an important part for the design of receivers in mobile communication systems. In order to recover the transmitted information correctly, the effect of the channel on the transmitted signal must be correctly estimated. In this thesis, the pilot based channel estimation algorithms for 3GPP LTE downlink is studied. Channel estimation algorithms such as Least Square (LS), Minimum Mean Square Error (MMSE) and Modified MMSE (M-MMSE) channel estimation algorithm have been evaluated for LTE downlink 5 MHz bandwidth configuration. The performance of these algorithms for Block type and Comb type pilot arrangement has been measured in terms of …

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Second Order Training Algorithms For Radial Basis Function Neural Networks, Kanishka Tyagi Jan 2011

Second Order Training Algorithms For Radial Basis Function Neural Networks, Kanishka Tyagi

Electrical Engineering Theses - Archive

A systematic two step batch approach for constructing and training of Radial basis function (RBF) neural networks is presented. Unlike other RBF learning algorithms, the proposed paradigm uses optimal learning factors (OLF's) to train the network parameters, i.e. spread parameters, mean vector parameters and weighted distance measure (DM) coefficients. Newton's algorithm is proposed for obtaining multiple optimal learning factors (MOLF) for the network parameters. The weights connected to the output layer are trained by a supervised-learning algorithm based on orthogonal least squares (OLS). The error obtained is then back-propagated to tune the RBF parameters. The proposed hybrid training algorithm has …

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A Planar And Integrated Rectenna For Wireless Power Reception, Vinay Ramachanndra Gowda Jan 2011

A Planar And Integrated Rectenna For Wireless Power Reception, Vinay Ramachanndra Gowda

Electrical Engineering Theses - Archive

In this thesis, a rectenna ("rectifier + antenna") for wireless power reception is designed and experimentally verified. The rectenna consists of two major components: one is a microstrip patch antenna and the other is a half-wave rectifier circuit. The microstrip antenna collects wireless power, and then, the received radio-frequency power is rectified to DC by the rectifier. The microstrip antenna and the rectifier circuit are simulated, fabricated, and tested separately. Before they are integrated, matching network is designed in between them to match the first harmonic. A few integrated rectenna's are built around 2.4 GHz ISM band. The rectenna's are …

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Behavioural Analysis Of Thermal Actuator Made Up Of Metals Like Titanium, Stainless Steel And Brass, Praveen Balaji Thangamani Balasubramanian Jan 2011

Behavioural Analysis Of Thermal Actuator Made Up Of Metals Like Titanium, Stainless Steel And Brass, Praveen Balaji Thangamani Balasubramanian

Electrical Engineering Theses - Archive

Out of the various MEMS actuators, thermal actuators are easy to realize and creates more force by consuming less power compared with other types of MEMS based actuators [2]-[4].Conventional thermal actuators are made up of poly silicon which requires the use of costlier equipment's for its fabrication and further it has to go through dark room processing which is time consuming. In our system the thermal actuator are made up of metals like titanium, stainless steel and brass which were fabricated using a programmable 5-W 355-nm laser system, which makes the fabrication process cheaper and less time consuming. Performance of …

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Conquest, Colonization, And The Cross: Religious Aspects Of The Conquest And Colonization Of Honduras, Chad Mccutchen Jan 2011

Conquest, Colonization, And The Cross: Religious Aspects Of The Conquest And Colonization Of Honduras, Chad Mccutchen

History Theses - Archive

Religiosity pervades the conquest and colonization of Honduras. The secular church, the missionaries, and the colonial aristocracy all played vital roles in the process. The Hispanic social consciousness emerged out of the Reconquista which allowed a fusion of religiosity and conquest, and this psyche manifested in the New World. Spain became equally dependent on the sanctioning of the Catholic Church to justify their enterprises in the Americas. However, the extreme poverty in Honduras created a unique situation in which the ecclesiastics depended on the local mining economy to survive. Therefore the clergy in Honduras struggled to balance their economic pursuits …

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The Trick Of The Tale: Deconstructing Johann Weyer's De Praestigiis Daemonum, James Robert Allen Jan 2011

The Trick Of The Tale: Deconstructing Johann Weyer's De Praestigiis Daemonum, James Robert Allen

History Theses - Archive

This thesis is an intellectual history of early modern European beliefs in witchcraft. Most research and scholarship on this period has focused on understanding the “witch hunts” and the collective phenomenon known as the witchcraze. Historians have focused more the social and political conditions that contributed to witch-hunting. These studies have tended to focus on the institutions that existed to facilitate witchcraft prosecutions. Comparatively, the writings of “demonologists” or intellectuals during the early modern period have been studied to a lesser extent.1 Early modern authors like Johann Weyer are often interpreted as either a skeptic or believer in witchcraft. Most …

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Organic Biocompatible Nanolayered Polymerization Of Solid-State Devices, Sri Divya Vidyala Jan 2011

Organic Biocompatible Nanolayered Polymerization Of Solid-State Devices, Sri Divya Vidyala

Bioengineering Theses - Archive

Nanotechnology plays a major role in today's society due to its convergence of nanoscale which is the level of atoms and molecules as a part of miniaturization trend. The interference between biomedical and nanotechnology are of intense research. It concerns about the utilization of miniature biological systems such as nucleic acids, proteins, cells and cellular components to fabricate functional organic and inorganic nanostructures. This research work focuses on the process of developing a simple method to obtain fluorinated organic nanocoating which can be used to coat 3D structures and also explain the extended applications of the coating in the fields …

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Substrate Stiffness Adjustable Pdms Device/Array For Understanding Its Effect On Cell Growth, Differentiation And Migration, Chetan Bhuwania Jan 2011

Substrate Stiffness Adjustable Pdms Device/Array For Understanding Its Effect On Cell Growth, Differentiation And Migration, Chetan Bhuwania

Bioengineering Theses - Archive

The mechanical properties of the cellular environment play an important role in the functioning of the cell. Cells attach to the extracellular matrix or other surrounding cells, thus sensing their mechanical properties and tune their own internal mechanical properties accordingly. A number of in vitro studies have been performed to study various cellular mechanical phenomena, but most of them employ a very stiff substrate such as glass or plastic that does not encompass the physiologically relevant range. Also, for tissues of the nervous system, the relationship between the substrate stiffness and the cellular behavior is less understood. In this study, …

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Diagnosis Of Breast Cancer Using Auto-Flourescence Lifetime And Light Reflectance Spectroscopy: A Potential Tool For Positive Margin Assessment, Shivaranjani Shivalingaiah Jan 2011

Diagnosis Of Breast Cancer Using Auto-Flourescence Lifetime And Light Reflectance Spectroscopy: A Potential Tool For Positive Margin Assessment, Shivaranjani Shivalingaiah

Bioengineering Theses - Archive

Malignant Breast Neoplasm (MBN) or breast cancer is a heterogeneous cancer type originating in the breast tissue. Surgery is considered the primary treatment for breast cancer, with many early stage patients being cured without recurrence. The goals of the surgery include complete resection of the primary tumor, with negative margins to reduce the risk of local recurrences. Further, pathological staging of the tumor and axillary lymph nodes are carried out to extract necessary prognostic information. Surgery works well in case of complete Mastectomies. However, the biggest challenge for this technique is determining adequate margins on the partial mastectomy (lumpectomy) specimen. …

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A Viscoelastic Model For Human Prolapsed Vaginal Wall Tissue, Milton Ma Jan 2011

A Viscoelastic Model For Human Prolapsed Vaginal Wall Tissue, Milton Ma

Bioengineering Theses - Archive

Pelvic organ prolapse (POP) affects thousands of elderly women each year. Improvements in surgical repair could benefit from the understanding of the biomechanical properties of the vaginal wall (VW) tissues to better tailor the needed repair. VW tissue property has been measured by uniaxial tensile test on excised fresh human anterior VW tissues. Data available, however, are limited to elastic modulus obtained in vitro. Recently, in vivo biomechanical data of VW from POP patients have been obtained by adapting a cutometer-like device, the BTC-2000TM (SRLI). The Voigt and Standard Linear models in conjunction with the framework of quasi-linear viscoelasticity theory …

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3-Dimensional Scanning And Reconstruction Using A Modified Hrt-Rcm Corneal Confocal Microscope, Saurabh Vaidya Jan 2011

3-Dimensional Scanning And Reconstruction Using A Modified Hrt-Rcm Corneal Confocal Microscope, Saurabh Vaidya

Bioengineering Theses - Archive

The HRT II - Rostock Corneal Module (HRT II-RCM) provides excellent resolution, contrast and optical sectioning capability for cornea imaging. It offers the most detailed views of cornea structure and pathology. However, the major limitation of this microscope is its scanning method. It has a threaded dial on the front side of the microscope which is coupled to the objective, and this dial has to be rotated manually to change the focal plane and to scan through the cornea.The dial is within inches of the cornea. During the scans, manual control causes serious interference and degrades the quality of the …

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