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etd.lsu.edu 檢索結果共 7016 筆,本頁資料從第 217 筆到第 228 筆

In this research, a clinical probe utilizing Surface-Enhanced Raman Scattering (SERS) is developed for molecular imaging application which is a visualizing technology to support early diagnosis by providing images in molecular level. In addition to other molecular imaging applications using magnetic resonance, light, and ultrasound, Raman spectroscopy has great potentia....

By Jeonghwan Kim-Electrical & Computer Engineering-LSU-doctoral-2015-07-02
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In this dissertation, I present three distinct topics on labor economics that can be read independently from one another. In the first chapter, using matched mother-child data from the National Longitudinal Survey of Youth, I investigate the impact of mothers involuntary job loss on childrens academic achievement. In the next chapter, I examine the impact of eye and hai....

By Sukriye Elif Filiz-Economics-LSU-doctoral-2015-07-02
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Despite the importance of carbonate aquifers as reservoirs of oil, of water, and of carbon dioxide, questions remain about the diagenetic processes that enhance porosity and permeability. Some of the questions are: 1) what are the water-rock interactions that control the geochemistry of spring waters; 2) are the geochemical signatures of saline-fresh water mixing zones ....

By Benjamin Maas-Geology & Geophysics-LSU-doctoral-2015-07-02
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This study was undertaken to test whether frequent quizzing would have different learning outcomes with the different populations within the classroom. Normalized mean learning gains were compared among classes that were quizzed or not quizzed. Allied Health Honors, Allied Health Academic and Academic classes in a high school biology classroom were given pre- and postte....

By Rebecca Lynn Kling Achord-Biological Sciences-LSU-masters-2015-07-01
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The purpose of this study was to determine if students learn more from completing web based homework (WBHW) compared to completing homework by traditional means with pen and paper. Determining the efficacy of WBHW is important because many schools are being pressured to implement technology in the classroom. To determine the effectiveness of WBHW, student normalized le....

By Molly Shuman-Biological Sciences-LSU-masters-2015-07-01
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Corruption is a global concern and requires attention because of its detrimental effects on economic growth and development. This dissertation includes three different essays that identify some of the instruments that can be used to fight corruption. The first essay investigates whether women's presence in economic and political arenas can have a significant impact on c....

By Chandan Kumar Jha-Economics-LSU-doctoral-2015-07-01
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Integrins are heterodimeric cell adhesion molecules that play an essential role in hemostasis, thrombosis, cell migration, and can transmit bidirectional signals. The inside-out activating signal triggers integrin conformational change, leading to high affinity for extracellular ligands. Binding of extracellular matrix ligands to integrins results in outside-in signalin....

By Ping Hu-Biochemistry (Biological Sciences)-LSU-doctoral-2015-07-01
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Various types of stress have been found to have both positive and negative effects on motor performance (Szalma & Hancock, 2011; Van Gemmert & Van Galen, 1997). One potential explanation for these diverse findings is that stress increases the amount of neuromotor noise in the system (Van Gemmert, 1997). Low levels of stress may have an activating effect on the system wh....

By Christopher Adam Aiken-Kinesiology-LSU-doctoral-2015-07-01
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Bone tissue engineering approaches using polymer/ceramic composites show promise as effective biocompatible, absorbable, and osteoinductive materials. A novel class of in situ polymerizing thiol-acrylate based copolymers synthesized via an amine-catalyzed Michael addition was studied for its potential to be used in bone defect repair. Both pentaerythritol triacrylate-co....

By Cong Chen-Engineering Science (Interdepartmental Program)-LSU-doctoral-2015-07-01
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Reading and spelling are essential skills for a students educational success. The current literature on spelling instruction has examined a variety of spelling modalities, but has never directly compared written versus oral spelling. There are theoretical and empirical indications that either method may be superior to the other. Thus, study one directly compared written....

By Sarah Joanne Miller-Psychology-LSU-doctoral-2015-06-30
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Magnetic resonance elastography (MRE) allows the visualization of displacement patterns from induced harmonic mechanical waves propagating in tissue. Strain and mechanical properties can be computed from these displacement patterns. Mechanical properties of tissue are affected by various disease processes. MRE has shown brain tumor to differ in stiffness in comparison t....

By Hatim Chafi-Physics & Astrononomy-LSU-masters-2015-06-29
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There is potential for flight time based DNA sequencing involving disassembly into individual nucleotides which would pass through a nanochannel with 2 or more detectors. Molecular dynamics simulation of electrophoretic motion of single DNA nucleotides through 3 nm wide hydrophobic slits was performed. Electric field strength (E) varied from 0.0 to 0.6 V/nm. Slit walls ....

By Kai Xia-Mechanical Engineering & Industrial Engineering-LSU-doctoral-2015-06-29
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