Browsing Theses and Dissertations, Electronic (ETDs) by Title
Now showing items 1-20 of 6976
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1492 Reconsidered: Religious and Social Change in Fifteenth Century Ávila
(Johns Hopkins UniversityUSA, 2014-05-27)This dissertation is an assessment of the impact of the expulsion of the Jews from Spain in 1492 on the city of Ávila, in northwestern Castile. The expulsion was the culmination of a series of policies set forth by Isabel ... -
19F MRI Tracking of Inflammation for Earlier Prediction of Colitis-Associated Cancer
(Johns Hopkins UniversityUSA, 2014-05-01)Colitis-associated cancer (CAC) develops through complication of inflammatory bowel diseases (IBD) such as ulcerative colitis (UC) and Crohn’s disease (CD). Currently, CACs can only be diagnosed by colonoscopy and biopsy, ... -
2.5D Chiplet Architecture for Embedded Processing of High Velocity Streaming Data
(Johns Hopkins UniversityUSA, 2018-01-16)This dissertation presents an energy efficient 2.5D chiplet-based architecture for real-time probabilistic processing of high-velocity sensor data, from an autonomous real-time ubiquitous surveillance imaging system. This ... -
20th and 21st Century Hispanic Settlement Sites: Three Essays on Place, Schooling, and Student Outcomes
(Johns Hopkins UniversityUSA, 2020-06-29)The explosive growth of the U.S. Hispanic population since 1990 to newer and more non-traditional areas is the result of political, economic, and environmental instability across the world as well as a declining quality ... -
30-day Hospital Readmission Prediction Models: Design, Performance and Generalizability
(Johns Hopkins UniversityUSA, 2016-03-18)Following the introduction of the Hospital Readmissions Reduction Program (HRRP) in 2012, there has been a push in research and quality improvement efforts to reduce 30-day hospital readmissions. While the needle has moved ... -
3D Attention M-net for Short-axis Left Ventricular Myocardium Segmentation in Mice MR cardiac Images
(Johns Hopkins UniversityUSA, 2021-05-11)Small rodent cardiac magnetic resonance imaging (MRI) plays an important role in preclinical models of cardiac disease, which is routinely used to probe the effect of individual genes or groups of genes on the etiology of ... -
3D Digital Methods for Quantitative CT-based Trabecular Vertebral Bone Texture and Microarchitecture Analysis for Fracture Risk
(Johns Hopkins UniversityUSA, 2020-05-12)This work describes a new approach to building 3D digital bone tissue phantoms with microarchitecture features that capture the variability and complexity of human vertebral trabecular bone. -
3D Expansion of Induced Pluripotent Stem Cells
(Johns Hopkins UniversityUSA, 2020-02-17)Human induced pluripotent stem cells (iPSCs) have numerous applications in drug discovery, drug safety assays, in vitro disease modeling, and cell-based regenerative therapy since iPSCs are capable of becoming specialized ... -
The 3D Knee: Visualizing Real Data from 3D Magnetic Resonance Neurography
(Johns Hopkins University, 2015-03-24)Established 2D MRI techniques are of limited clinical usefulness for visualizing of small peripheral cutaneous nerves of the knee due to limitations in spatial resolution and partial volume averaging effects. This leads ... -
3D printing of biomedical devices with soft and biocompatible elastomers
(Johns Hopkins UniversityUSA, 2020-05-08)Additive manufacturing (AM) which is commonly known as 3D printing is evolving quickly during the last decades. It has been utilized in various areas including biomedical applications, such as tissue engineering, therapeutic ... -
3D PRINTING OF MULTI-FUNCTIONAL HYDROGELS
(Johns Hopkins UniversityUSA, 2019-08-09)3D printing technology has been widely applied to rapid design and fabrication in recent years. Hydrogels fabricated by 3D printing are spotlighted owing to the emerging demands for complicated soft structures and biocompatible ... -
3D Printing PTFE with Direct Ink Writing
(Johns Hopkins UniversityUSA, 2018-07-19)Polytetrafluoroethylene (PTFE) is a unique fluoropolymer comprising of only fluorine and carbon atoms with various desirable properties such as non-stick, chemical inertness, thermal stability and electrical insulation. ... -
3D Reconstruction of Fossilized Skull of South American Miocene Monkey Homunculus patagonicus: An Augmented Reality for Field Application
(Johns Hopkins UniversityUSA, 2020-03-23)For most Miocene taxa, primate fossil evidence consists of broken cranial bones, teeth, and jaws. Studying these fossils is difficult due to the damage and distortion during geological stress. During fossilization the soft ... -
3D Shell MEA to Record Electrical Activity of Brain Organoids
(Johns Hopkins UniversityUSA, 2022-05-10)As organoids have become one of the premier models for experimentation due to their ability to mimic in vivo organs through their existence as a three dimensional (3D) multicellular in vitro model created from tissue ... -
3D VISCOELASTIC ENVIRONMENT REGULATES RESPONSE OF MACROPHAGES
(Johns Hopkins UniversityUSA, 2022-05-06)Macrophages are innate immune cells with multiple physiological roles in the body. They respond to both biochemical and biophysical cues from the viscoelastic tissue environment and are highly plastic in changing their ... -
3D VISUALIZATION OF GENETIC MUTATIONS IN PANCREATIC INTRAEPITHELIAL NEOPLASIA
(Johns Hopkins UniversityUSA, 2022-03-30)Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest forms of cancer in the United States and is often diagnosed in advanced stages with poor prognosis. A new workflow called CODA that uses machine learning to ... -
4D Image Reconstruction with Dual Respiratory and Cardiac Motion Correction for Cardiac PET
(Johns Hopkins UniversityUSA, 2015-10-23)4D image reconstruction with motion correction is the solution to improve image quality and resolution degraded by respiratory motion (RM) and cardiac motion (CM) in cardiac PET scans. The improved image quality can ... -
4D Printing of Bioinspired hydrogel structures
(Johns Hopkins UniversityUSA, 2019-07-10)Biological structures in nature are made out of components which respond to external cues present in their environments. For example, sea creatures and plants swell and deswell to adapt and grow in their environment. ... -
A 10 year retrospective study of the National Rehabilitation Centre Abu Dhabi: Trends, population characteristics, associations and predictors of treatment outcomes
(Johns Hopkins UniversityUSA, 2017-04-04)Data extracted from case notes of all NRC patients from February 2002 to August 2011were analyzed to obtain a descriptive profile and changes in trends during this period. The data were extracted manually using a template ... -
A Balanced Scorecard for Assessing the Quality & Provision of Health Services in UNHCR Refugee Camps
(Johns Hopkins UniversityUSA, 2015-03-18)Background Worldwide, there are over 46.3 million individuals who are uprooted from their homes. For the 2014 mid-year report, the UNHCR population of concern included 13 million refugees, 26 million internally displaced ...