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Biochemistry, Biophysics, and Structural Biology Commons

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Physical Sciences and Mathematics

Theses/Dissertations

2020

Fluorescence

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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

Investigatin Actin-Myosin Mechanics To Model Heart Disease Using Fluorescence Microscopy And Optical Trapping, Justin Edward Reynolds May 2020

Investigatin Actin-Myosin Mechanics To Model Heart Disease Using Fluorescence Microscopy And Optical Trapping, Justin Edward Reynolds

Honors Theses

Hypertrophic cardiomyopathy (HCM) is a hereditary disease in which the myocardium becomes hypertrophied, making it more difficult for the heart to pump blood. HCM is commonly caused by a mutation in the β-cardiac myosin II heavy chain. Myosin is a motor protein that facilitates muscle contraction by converting chemical energy from ATP hydrolysis into mechanical work and concomitantly moving along actin filaments. Optical tweezers have been used previously to analyze single myosin biophysical properties; however, myosin does not work as a single unit within the heart. Multiple myosin interacts to displace actin filaments and do not have the same properties …


Novel Substrate-Free Cholinesterase Based Sensing Of Organophosphorus Compounds, Hailey J. Marini Jan 2020

Novel Substrate-Free Cholinesterase Based Sensing Of Organophosphorus Compounds, Hailey J. Marini

Legacy Theses & Dissertations (2009 - 2024)

The increasing concerns of chemical weapons used by terrorists is growing, creating a need for infield detection methods that can rapidly detect these compounds that are a major health concern for civilians and military personnel. Displacement is a novel concept for the detection of cholinesterase inhibitors, including organophosphorus compounds, that could replace the classical instrumentation methods currently being used for diagnostics.