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Physical Sciences and Mathematics Commons

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Full-Text Articles in Physical Sciences and Mathematics

Cost-Effective Synthesis, Bioactivity And Cellular Uptake Study Of Aminoglycosides With Antimicrobial And Connexin Hemichannel Inhibitory Activity, Yagya P. Subedi Dec 2019

Cost-Effective Synthesis, Bioactivity And Cellular Uptake Study Of Aminoglycosides With Antimicrobial And Connexin Hemichannel Inhibitory Activity, Yagya P. Subedi

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Amphiphilic kanamycin is one of the promising class of compounds for the treatment of fungal infections in plants and animal. Factor that lead to the restricting of compounds for commercialization includes, the higher cost of production and poor stability of the compound. However, the new lead, identified from the synthesis and biological testing, can be synthesized on a large scale with a cost comparable to commercial antifungals. The newly reported lead is stable at the acidic and basic conditions. Additionally, this compound has an excellent activity towards Candida auris, a multidrug-resistant superbug.

Heart disease is the leading cause of death …


Computational And Experimental Studies On Energy Storage Materials And Electrocatalysts, Jared B. Moss Aug 2019

Computational And Experimental Studies On Energy Storage Materials And Electrocatalysts, Jared B. Moss

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

With the growing global population comes the ever-increasing consumption of energy in powering cities, electric vehicles, and portable devices such as cell-phones. While the power grid is used to distribute energy to consumers, the energy sources needed to power the grid itself are unsustainable and inefficient. The primary energy sources powering the grid, being fossil fuels, natural gas, and nuclear, are unsustainable as the economically-accessible reserves are continually depleted in exchange for detrimental emissions and air-pollutants. Cleaner, renewable sources, such as solar, wind, and hydroelectric, are intermittent and unreliable during the peak hours of energy usage, that is dawn and …


Synthesis And Biological Studies Of Amphiphilic Compounds Derived From Saccharides And Aminoglycosides, Madher N. Alfindee Aug 2019

Synthesis And Biological Studies Of Amphiphilic Compounds Derived From Saccharides And Aminoglycosides, Madher N. Alfindee

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Adjacent cells communicate through gap junctions (GJs). These GJs are formed by head to head docking of two hemichannels (HCs) from two adjacent cells. HCs are connexin hexamer proteins. Connexin mutation is the most frequent cause of childhood hearing loss. This hearing impairment affects 2 in every 2000 children. Inhibition of the HCs might be the key factor to treat such disorders. A library of amphiphilic kanamycins was synthesized to be tested as HC inhibitors. These compounds showed excellent inhibition activity in comparison with the parent compound (kanamycin A) with less toxicity.

A library of monosaccharide esters with varying carbon …


Electronic Transmutation: An Aid For The Rational Design Of New Chemical Materials Using The Knowledge Of Bonding And Structure Of Neighboring Elements, Katie A. Lundell Aug 2019

Electronic Transmutation: An Aid For The Rational Design Of New Chemical Materials Using The Knowledge Of Bonding And Structure Of Neighboring Elements, Katie A. Lundell

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Everything in the universe is made up of elements from the periodic table. Each element has its own role that it plays in the formation of things it makes up. For instance, pencil lead is graphite. A series of honeycomb-like structures made up of carbon stacked on top of one another. Carbon’s neighbor to the left, boron doesn’t like to form such stacked honeycomb-like structures. But, what if there was a way to make boron act like carbon so it did like to form such structures? That question is the basis of the electronic transmutation concept presented in this dissertation. …


Visible Light-Triggered Carbon Monoxide-Releasing Molecules, Marina Popova May 2019

Visible Light-Triggered Carbon Monoxide-Releasing Molecules, Marina Popova

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Carbon monoxide (CO) is now well established as one of the signaling molecules in higher organisms, including humans. Due to its physiological roles, CO is now accepted as a potential therapeutic agent. The use of CO gas has been studied in multiple clinical trials. Vasodilation, anti-inflammatory, anti-apoptotic, anti-proliferative and cytoprotective effects are just a few of the pharmacological actions attributed to CO gas in various models of diseases. Use of inhaled CO gas as a therapeutic has many limitations which necessitate the development of a new approach for CO delivery. In order to handle CO safely, compounds that release CO …