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Full-Text Articles in Engineering

Lysis And Amplifciation Of Neonatal Sepsis Causing Pathogens, Gregory Berglund, Elizabeth A. Phillips, Jacqueline C. Linnes Aug 2016

Lysis And Amplifciation Of Neonatal Sepsis Causing Pathogens, Gregory Berglund, Elizabeth A. Phillips, Jacqueline C. Linnes

The Summer Undergraduate Research Fellowship (SURF) Symposium

Neonatal sepsis, resulting from a bloodstream infection within the first few weeks of life, is the leading cause of newborn deaths worldwide. The gold standard of neonatal sepsis diagnosis requires a blood culture to identify the infecting bacteria, however require days of incubation, expensive equipment, and expertise. Any delay in diagnosis is critical, as the condition can be treated easily if appropriate antibiotics are administered promptly. A low-cost, rapid, and sensitive diagnostic test would enable more timely treatment and lead to better patient outcomes with fewer required resources. Point-of-care, nucleic acid amplification assays are a promising alternative to blood culture …


Cartilage Engineering: Optimization Of Media For Chondrogenic Differentiation In Vitro, Evan Surma, Sherry L. Harbin, Hongji Zhang, Stacy Halum Aug 2016

Cartilage Engineering: Optimization Of Media For Chondrogenic Differentiation In Vitro, Evan Surma, Sherry L. Harbin, Hongji Zhang, Stacy Halum

The Summer Undergraduate Research Fellowship (SURF) Symposium

Lower back pain from intervertebral disc injury affects around 84% of the population at some point in their life, which at its worst may cause total immobilization. This pain can only be temporarily relieved by spinal fusion or intervertebral disc replacement; however, both of these cause loss of natural motion in patients by removing damaged fibrocartilage discs. While these techniques help mitigate pain briefly, no permanent solution exists currently to both relieve pain and preserve natural motion. My work may be a solution by eventually providing patient-specific implants that resemble native tissue in the regeneration process that could be absorbed …


Bone Tissue Engineering: Scalability And Optimization Of Densified Collagen-Fibril Bone Graft Substitute Materials, John G. Nicholas, Lauren E. Watkins, Sherry L. Voytik-Harbin Aug 2016

Bone Tissue Engineering: Scalability And Optimization Of Densified Collagen-Fibril Bone Graft Substitute Materials, John G. Nicholas, Lauren E. Watkins, Sherry L. Voytik-Harbin

The Summer Undergraduate Research Fellowship (SURF) Symposium

Over 240 million people missing teeth worldwide experience lingering problems such as difficulty speaking and eating, undesirable aesthetics, and resorption of bone supporting neighboring teeth. The gold standard of treatment utilizes grafts to attach a function-restoring implant to supporting bone. Current graft materials suffer from problems including autologous donor site morbidity, long resorption time, incomplete integration with the maxillae or mandible, and structural weakness. Patient-specific, cellularized bone grafts may be a solution to these issues by accelerating and improving the quality of regenerated bone. Recently, encapsulation of mesenchymal stem cells within self-assembling type I collagen oligomer matrices has been shown …