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Articles 1 - 7 of 7
Full-Text Articles in Engineering
Engineering The Development Of Neuromuscular Circuitry On-Chip, Inès Khiyara
Engineering The Development Of Neuromuscular Circuitry On-Chip, Inès Khiyara
Electronic Theses and Dissertations
Neuromuscular development happens in a complex interconnected network of biochemical pathways. This complicated embryonic development follows a strong, functional, and precise neuromuscular network that has interested both scientists and engineers who seek to better understand neuromuscular diseases. These disorders can be inherited or acquired, and their severity and mortality can vary. Researchers first studied the neuromuscular network from an organismal perspective, and more recently from an embryological, cellular, molecular, biochemical, and genetic perspective. From these studies, the fundamental principles of motor neuron pathfinding to muscles are widely understood, but the molecular drivers of specific nerve-muscle pairing remain unknown. Although in …
Multiscale Anisotropy Analysis Of Second-Harmonic Generation Imaging Of Pancreatic Cancer, Joshua D. Hamilton
Multiscale Anisotropy Analysis Of Second-Harmonic Generation Imaging Of Pancreatic Cancer, Joshua D. Hamilton
Electronic Theses and Dissertations
Despite recent advancements in biomedicine, cancer is still the second leading cause of death in the United States. Early detection of cancer is critical to improving patient care, but there are risks of over screening caused by the need for surgical biopsies in many cancers for final diagnostics. Recent advancements in computer aided diagnostics for breast cancer screening has reduced the need for biopsies and resulted in earlier diagnoses which has lowered the mortality rate from breast cancer within the past two decades. Developing new computer aided diagnostic tools that can be applied to a vast majority of cancers would …
Using Shg Directionality To Characterize Collagen Alteration In Breast Cancer Tumor Microenvironment And Its Prognostic Applications, Betelhem Solomon Abay
Using Shg Directionality To Characterize Collagen Alteration In Breast Cancer Tumor Microenvironment And Its Prognostic Applications, Betelhem Solomon Abay
Electronic Theses and Dissertations
Although breast cancer is a growing health concern worldwide, the challenge to minimize mortality rate partly comes from the heterogeneity in its pathological characteristics. The tumor microenvironment is a complex hub of signaling cascades that plays a key role for the progression of cancer to develop to metastatic stage. The extracellular matrix (ECM), as a major component of the tumor microenvironment, contains signatures that have cues to understand tumor progression. Here, the unique microstructural collagen alterations specific to reactive stromal/tumor cell interactions and interactions of reactive stromal fibroblasts with different tumor cell types MCF7A and MDA-MB-231 were investigated. Early alterations …
The Influence Of Processing And Additives On Cellulose Nanofiber Properties For Orthopedic Application, Mitchell P. Chesley
The Influence Of Processing And Additives On Cellulose Nanofiber Properties For Orthopedic Application, Mitchell P. Chesley
Electronic Theses and Dissertations
Current orthopedics are separated into three different classes of materials, metals, polymers, and ceramics. While these devices have had success throughout the years they are not without their faults. Metallic devices for example are usually extraordinarily stiff when compared with the surrounding bone. This difference in stiffness induces localized stress-shielding promoting cortical atrophy, which can lead to osteoporosis. Polymers while having the capacity of being biodegradable and bioabsorbable also have the potential to incite localized demineralization and weakness in surrounding bone. A result of breakdown byproducts not efficiently being evacuated from the area, which additionally acts as catalysts expediating the …
Developing And Characterizing A Novel Tempo Cnf Hydrogel Adjuvant And Delivery System For Aquatic Vaccines, Kora Kukk
Electronic Theses and Dissertations
Aquaculture is a large part of the food production sector which is greatly expanding. One of the largest losses in aquaculture is due to pathogens. Current solutions for protecting farmed finfish from pathogens can be very expensive with variable efficiency. Current disease prevention strategies include vaccination. Types of vaccines include immersion vaccines, feed vaccines, and injectable vaccines. The most popular solution is oil-based injectable vaccines due to its protection. However, the oil-based adjuvant used in most of these formulations causes adverse reactions in the fish including reduced growth. These vaccines require multiple administrations throughout the fish’s lifetime causing unwanted handling …
Continuous, Non-Destructive Detection Of Surface Bacterial Growth With Bioinspired Vascularized Polymers, Brandon Dixon
Continuous, Non-Destructive Detection Of Surface Bacterial Growth With Bioinspired Vascularized Polymers, Brandon Dixon
Electronic Theses and Dissertations
Reducing or eliminating bacteria on surfaces is vital for medical devices, drinking water quality, and industrial processes. Evaluating surface bacterial growth at buried interfaces can be problematic due to the time-consuming disassembly process required for obtaining standard surface samples. In this work, a continuous, non-destructive, and reusable method was developed to detect surface bacterial growth at buried interfaces. Inspired by vascular systems in nature that permit chemical communication between the surface and underlying tissues of an organism, bacterial-specific signals diffusing from cells on the surface were detected in channels filled with an inert carrier fluid embedded in a polymer matrix. …
Development Of A New Method For Cell Spheroid Formation Through A Hydrogel Dipping Process, Aimee L. Co
Development Of A New Method For Cell Spheroid Formation Through A Hydrogel Dipping Process, Aimee L. Co
Electronic Theses and Dissertations
Traditional cell culture systems make use of two-dimensional (2D) monolayer studies which are simple, cheap, and have been successful for a various cell types. However, since this does not reflect on the in vivo physiology, studies have branched out to use three-dimensional (3D) cell culture systems. 3D cell culture allows for studies which make use of the cell connectivity, polarity, and tissue architecture. The use of 3D aggregates called spheroids is one of the most common and versatile of these methods. There are various techniques for spheroid formation and chosen technique is often decided based on the decided spheroid use …