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Norepinephrine and Adenosine Infused Microparticles for Brown Adipose Tissue Stimulation

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With microspheres growing in popularity as viable systems for targeted drug therapeutics, there exist a host of diseases and pathology induced side effects which could be treated with poly(lactic-co-glycolic acid) [PLGA] microparticle systems [6,10,12]. While PLGA systems are already applied in a wide variety the clinical setting [11], microparticles still…

With microspheres growing in popularity as viable systems for targeted drug therapeutics, there exist a host of diseases and pathology induced side effects which could be treated with poly(lactic-co-glycolic acid) [PLGA] microparticle systems [6,10,12]. While PLGA systems are already applied in a wide variety the clinical setting [11], microparticles still have some way to go before they are viable systems for drug delivery. One of the main reasons for this is a lack of fabrication processes and systems which produce monodisperse particles while also being feasible for industrialization [10]. This honors thesis investigates various microparticle fabrication techniques \u2014 two using mechanical agitation and one using fluid dynamics \u2014 with the long term goal of incorporating norepinephrine and adenosine into the particles for metabolic stimulatory purposes. It was found that mechanical agitation processes lead to large values for dispersity and the polydispersity index while fluid dynamics methods have the potential to create more uniform and predictable outcomes. The research concludes by needing further investigation into methods and prototype systems involving fluid dynamics methods; however, these systems yield promising results for fabricating monodisperse particles which have the potential to encapsulate a wide variety of therapeutic drugs.
ContributorsRiley, Levi Louis (Author) / Vernon, Brent (Thesis director) / VanAuker, Michael (Committee member) / Harrington Bioengineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2018-12
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Glare: NICU Environmental Consideration

Description
This study aimed to quantify glare induced into the NICU through phototherapy devices commonly used to treat neonatal jaundice. The blue light associated with the devices can cause a number of physiological affects including melatonin suppression, disturbances of one's circadian rhythm, and has the potential to lead to risk factors…

This study aimed to quantify glare induced into the NICU through phototherapy devices commonly used to treat neonatal jaundice. The blue light associated with the devices can cause a number of physiological affects including melatonin suppression, disturbances of one's circadian rhythm, and has the potential to lead to risk factors of age-related macular degeneration (AMD) in the long term. The study found that the phototherapy device tested emitted a sufficient amount of light to be considered 'disturbing' using the DeBoer scale. Due to this, phototherapy devices in the future should take into consideration the minimization of light emitted which is not directly treating the infant on the device to prevent potential physiological effects that nurses may experience.
ContributorsSnelling, Timothy Michael (Author) / Muthuswamy, Jitendran (Thesis director) / VanAuker, Michael (Committee member) / Harrington Bioengineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05