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Non-Traditional Metallation Of Metallothioneins With Xenobiotic Therapeutic Metals, Daisy L. Wong May 2019

Non-Traditional Metallation Of Metallothioneins With Xenobiotic Therapeutic Metals, Daisy L. Wong

Electronic Thesis and Dissertation Repository

The rise of the Anthropocene has seen more global pollution than before in history. With the explosion of consumer electronics in the last half century, the rise of metal pollution from their extraction and disposal results in the unnatural introduction of heavy and rare metals into the ecosystem. Organisms have a metal defense protein, metallothionein, which has multiple roles in essential metal regulation and protection against minimal toxic metal exposure. However, these modern heavy metals prominent in electronics are not found biologically and their interactions in the body are generally unknown. Some of these metals are employed as therapeutic agents …


Study Of Small Molecules With Dna Monolayers On Gold Electrodes Using Electrochemical Quartz Crystal Microbalance On The Millisecond Timescale, Sarasi Kaushalya Kumari Galagedera Jan 2019

Study Of Small Molecules With Dna Monolayers On Gold Electrodes Using Electrochemical Quartz Crystal Microbalance On The Millisecond Timescale, Sarasi Kaushalya Kumari Galagedera

Legacy Theses & Dissertations (2009 - 2024)

Biosensors based on DNA self-assembled monolayers (SAMs) combined with electrochemical transducers have shown great potential to serve an important role in simple, accurate and inexpensive genetic analyses relevant to many fields. The most popularly adapted method in designing biosensing platforms is the self-assembly of 5’-alkylthiol-modified single stranded or double stranded DNA on gold surfaces followed by a passivation step using a diluent like mercaptohexanol (MCH). Since analytical performance (sensitivity, selectivity and stability) of such sensors is solely related to the probe surface architecture, methods to characterize and measure the surface density has gained a lot of interest among the scientific …