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Engineering

University of Arkansas, Fayetteville

Theses/Dissertations

Biomedical

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Design And Development Of A Wearable Wireless Health Monitoring System: A Smart Watch Approach, Keerthi Paranikumar Dec 2015

Design And Development Of A Wearable Wireless Health Monitoring System: A Smart Watch Approach, Keerthi Paranikumar

Graduate Theses and Dissertations

According to Statistics, every year, about 610,000 people die because of heart disease in United States of America. (i.e. 1 in every 4 deaths.*) Heart disease is common for both men and women. Annually, about 370,000 people die because of coronary heart disease, which is the most common type of heart disease [1]. About 735,000 Americans have heart attack every year. In this, 210,000 people gets heart attack who already has heart problems and 525,000 people get heart attack for the first time [2]. Not many people know that they have heart problems. Around 47% of the people in United …


Evaluation Of Biocomposite For Implementation As Prosthetic Socket, Chelsea Long May 2012

Evaluation Of Biocomposite For Implementation As Prosthetic Socket, Chelsea Long

Biological and Agricultural Engineering Undergraduate Honors Theses

According to the World Health Organization, 0.5% of the population in developing countries is in need of prostheses or orthoses. For this population, obtaining a prosthetic is made difficult due to medical and transportation costs as well as a general lack of area resources. One possible solution to these problems would be to design a prosthetic socket from an inexpensive biodegradable material that could be produced in developing countries. One such material has been developed by Ecovative Design, LLC. Ecovative’s technology grows mycelium, mushroom roots, throughout a plant fiber matrix. Ecovative products are completely biodegradable and made naturally from local …


Study Of The Fundamental Chemical And Physical Interactions Between Chitosan And Hydroxyapatite, Abigail Washispack May 2012

Study Of The Fundamental Chemical And Physical Interactions Between Chitosan And Hydroxyapatite, Abigail Washispack

Biological and Agricultural Engineering Undergraduate Honors Theses

Hydroxyapatite and chitosan are widely used in biomedical applications due to their biocompatibility and biodegradability. Various studies show that composites made of hydroxyapatite and chitosan exhibit desirable properties for applications in bone tissue engineering. When creating a composite it is important to understand the interfacial chemistry and physical interactions between the composite materials. An understanding of these properties gives more insight into the resulting structure of the composite on multiple levels (nano- micro- macro). This structure affects the chemical, physical, and mechanical properties of the material, thus analysis of these properties gives a better understanding of how a material will …


Synthesis Of Zinc Oxide Nanorods And Use In Biosensor Applications, Anishkumar Manoharan Dec 2011

Synthesis Of Zinc Oxide Nanorods And Use In Biosensor Applications, Anishkumar Manoharan

Graduate Theses and Dissertations

The main aim of this research was to develop a nanorod based biosensor for biomedical applications. In this project I use zinc oxide nanorods as the bio-material for biosensor. I fabricated these nanorods using a solution-based technique. Initially I coated a zinc oxide seed layer as the base. This seed layer was then annealed at 350 degrees for almost 1 hour. As a next step, interdigitated electrodes were fabricated on the top of the seed layer using a lift off process. The zinc oxide nanorods were then grown at 90 degrees for almost 4 hours along the electrodes. In this …