Now showing items 21-40 of 2394

• #### Design and Testing of a Linearly Actuated Pulsatile Pump for Ventricular Assist ﻿

(2013-09-06)
The prevalence of heart failure around the world has led clinicians and engineers to develop mechanical circulatory support systems. Most heart assist technology today is classified as continuous flow because blood is ...
• #### Understanding the Transport of Nanoparticles in Microchannel based Model Porous Media ﻿

(2013-05-15)
Recently, nanoparticle dispersions have been explored to improve the exploration and production of sub-surface hydrocarbons. To address that effort it is critical to fundamentally understand the dynamics and transport of ...
• #### A Checkpointing Restart Approach for OpenSHMEM Fault Tolerance ﻿

(2016-05-02)
The Partitioned Global Address Space (PGAS) has emerged recently for parallel programming at large scale. The PGAS ecosystem contains libraries, and languages (often implemented atop those libraries). One such library is ...
• #### Identification and Prioritization of Dermatological Disorders Influenced by Female Hormonal Fluctuations during and beyond Menopause ﻿

(2018-07-17)
Menopause is a natural and universal milestone achieved by every living female by the time of midlife. Worldwide, the number of postmenopausal women is expected to rise to 1.1 billion by 2025. Therefore, medical education ...
• #### Big Data Analysis of Complex Networks Using Machine Learning Methods ﻿

(2016-05-16)
With the tremendous development of the modern complex networks such as smart grid and wireless communication domains, the data analysis tasks are significantly involved. In smart grid systems, there are emerging concerns ...
• #### Contract Theory Framework for Wireless Networking ﻿

(2016-05-11)
With the rapid development of the modern communication networks, the problem we need to solve is no longer a pure engineering issue. In various heterogeneous network scenarios, there are service providers in need of ...
• #### Fusion of Full Waveform LiDAR and Passive Remote Sensing for Improved Land-Cover Classification ﻿

(2016-05-11)
Land-cover classification is a crucial step in interpreting remote sensing data, and the accuracy determines the reliability of the product for further downstream applications. Hyperspectral sensors have been widely utilized ...
• #### Interactions between Phenotypic Switching, Gene Network Dynamics and Evolutionary Dynamics in Growing Cell Populations ﻿

(2016-05-09)
Gene expression is a stochastic biological processes that controls the different phenotypes of an organism depending on the environment. High-resolution single cell measurements show that genetically identical cells can ...
• #### Advanced SAR Interferometry Methods for Ground Displacement Estimation from Spaceborne and Airborne Platforms ﻿

(2016-05-16)
Interferometric synthetic aperture radar (InSAR) is a powerful technique to monitor ground deformation phenomena, such as landslides, ground subsidence, seismological activities, and volcano dynamics. In this dissertation, ...
• #### Physicochemical Aspects of the Two-Step Mechanism of Nucleation in Protein Solutions ﻿

(2016-05-16)
Protein-rich liquid clusters exist in solutions of numerous proteins. They play the role of nucleation precursors of ordered solids of both folded proteins and partially misfolded chains. Examples include protein crystals, ...
• #### The Operator System Generated by Cuntz Isometries and its Applications ﻿

(2016-05-06)
In this thesis, we focused on the operator system, ${S}_n$, generated by $n$ ($2\leq n< \infty$) Cuntz isometries, i.e. ${S}_n=span\{I,S_i,S_i^*:1\leq i\leq n\}$. We first studied the properties of ${S}_n$, such as the ...
• #### On Communication-Computation Overlap in High-Performance Computing ﻿

(2016-05-05)
The number of compute nodes and cores per node have increased many fold on high end computer systems over the last decade. For a parallel application to scale to tens or even hundreds of thousands of processes, all ...
• #### Sensors and System Integration for Magnetic Resonance Image (MRI)-Guided and Robot-Assisted Interventions ﻿

(2016-05-02)
Demand for magnetic resonance image (MRI)-guided interventions and robot-assisted surgeries continues to increase in the field of medical robotics. MRI-guided interventions provide pre-/intra-operative MR images and ...
• #### Suppression of Cervical Cancer by the Progesterone Receptor Signaling ﻿

(2016-04-28)
Cervical cancer is the fourth-most common cancer in woman and fourth leading cause of cancer death worldwide. The majority of cervical cancer is associated with high-risk human papillomaviruses (HPVs). Their tumorigenic ...
• #### Ab Initio Calculations of Intramolecular Exciton Transfer with Reduced Modes in Donor-Bridge-Acceptor Species ﻿

(2016-04-28)
We present a new, fully ab initio approach for computing intramolecular charge and energy transfer rates. Using a time-convolutionless master-equation approach, parameterized with couplings obtained from an accurate ...
• #### High-Performance Sparse Fourier Transform on Parallel Architectures ﻿

(2016-04-28)
Fast Fourier Transform (FFT) is one of the most important numerical algorithms widely used in numerous scientific and engineering computations. With the emergence of big data problems, however, in which the size of the ...
• #### Implementation and Evaluation of Additional Parallel Features of Coarary Fortran ﻿

(2016-04-26)
The Fortran 2008 language standard added a feature called "coarrays" to allow parallel programming in Fortran with only minimal changes to existing sequential Fortran programs. Coarrays turn Fortran into a Partitioned ...
• #### Peripheral Autorefraction Repeatability and Peripheral Defocus of Myopic Eyes with Spherical Soft Contact Lenses ﻿

(2016-04-28)
Purpose: Peripheral retinal defocus has been implicated in the progression of myopia. The purpose of this thesis was to assess the repeatability of peripheral autorefraction, and to determine the effect of commercially-available ...
• #### Dysregulation of Cationic Channels in Chronic Kidney Diseases ﻿

(2016-04-20)
According to the Centers for Disease Control and Prevention, one in 10 American adults, has some level of chronic kidney disease (CKD), a condition characterized by reduced kidney function over time. Although recent research ...
• #### LiDAR-Based Change Detection for Earthquake Surface Ruptures ﻿

(2016-05-16)
Determination of near-fault ground deformation during and after an earthquake is key to understanding the physics of earthquakes. Observations with high spatial resolution and accuracy of natural faults that have experienced ...