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Articles 1 - 7 of 7
Full-Text Articles in Physical Sciences and Mathematics
Developing Novel Tale-Based Rapid Detection Of Pathogenic Dna Utilizing 2d Graphene Oxide Nanosheets And Quantum Dots, Narayan Neupane
Developing Novel Tale-Based Rapid Detection Of Pathogenic Dna Utilizing 2d Graphene Oxide Nanosheets And Quantum Dots, Narayan Neupane
Masters Theses & Specialist Projects
A faster method of quantitative detection of specific dsDNA of pathogenic bacteria such as the Shiga toxin 2 gene (stx2) present in E. coli O157:H7 is of great importance. There is a need for a simple and facile method for sensitive detection of pathogenic gene which is crucial for the prevention and earlier treatment of any infectious diseases. A Transcriptional Activator-Like Effector (TALE) is a novel class of DNA-binding proteins with the unique modularity, flexibility and easy programmability compared to previously discovered DNA- binding proteins. TALEs can bind to any DNA sequences through its unique variable di- residues …
Synthesis Of Cds/Zns Core/Shell Semiconductor Nanoparticles, Austin Skyler Antle
Synthesis Of Cds/Zns Core/Shell Semiconductor Nanoparticles, Austin Skyler Antle
Masters Theses & Specialist Projects
Core/shell semiconductor nanoparticles are of great interest as photocatalysts due to their large surface area per volume and tunable band gaps. The synthesis of core/shell semiconductor nanoparticles has traditionally involved the use of binding ligands to ensure the particles do not aggregate. These binding ligands lower the surface area of the nanoparticles though, reducing their overall efficiency. Ionic liquids have been found to be capable of acting as both solvents and stabilizing agents for synthesis of catalysts with highly active surfaces. Our experiments focus on the synthesis of CdS/ZnS core/shell nanoparticles with the ionic liquid 1-butyl-3-methylimidazolium methyl sulfate, [BMIM][MeSO4], acting …
Solvent-Free Synthesis Of Metal Coordination Compounds Using Ball Mills, Jenna Cantway
Solvent-Free Synthesis Of Metal Coordination Compounds Using Ball Mills, Jenna Cantway
Masters Theses & Specialist Projects
Mechanochemistry utilizes mechanical energy to promote chemical reactions to completion. Samples ground with a ball mill are placed under consistent pressure and temperature, which allows for increased surface area, shorter reaction times and overall better control of reaction conditions compared to the use of a mortar and pestle. Many synthetic techniques to prepare metal coordination compounds use a solvent. The solvent promotes the reactions by providing a route for reagents to interact. While solvents facilitate reactions, there is interest in reducing or eliminating solvents altogether during the synthesis process due to potential instability of a solvent under certain experimental conditions …
Mercury And Other Trace Metal Analysis In Bat Guano, Amanda Lee Houchens
Mercury And Other Trace Metal Analysis In Bat Guano, Amanda Lee Houchens
Masters Theses & Specialist Projects
Heavy metal pollution in the environment pose risks to ecosystems and the populations that reside in them. Mercury, lead, and cadmium negatively impact humans by way of neurological disorders, various cancers, and damage the reproductive organs, kidneys, and lungs. Bats have been studied as a bioindicator species to identify possibly elevated levels of these metals in the environment. Previous studies have identified correlation between metal concentrations within bat tissues and fur. Many bat species are endangered or at risk due to white-nose syndrome so collection of tissues and fur for analysis can impose stress on bat colonies. This study investigates …
Monitoring And Identifying The Rhodamine 6g-Hydroxide Ion Reaction Using In-Situ, Surface-Enhanced Raman Spectroscopy, Ryan Lamb
Masters Theses & Specialist Projects
An effective method for monitoring chemical reactions is necessary to better understand their mechanisms and kinetics. Effective reaction monitoring requires a spectroscopy technique with fast data acquisition, high sensitivity, structure-to-spectrum correlation, and low solvent interference. Surface-enhanced Raman spectroscopy (SERS) provides these features, which makes it a valuable tool for monitoring reactions. To obtain the Raman enhancement, metallic nanostructures typically made of silver or gold are aggregated using a salt. The nanoparticles aggregates must then be stabilized using a surfactant to use this method in situ due to eventual nanoparticle precipitation. In this study, gold nanoparticles stabilized with sodium dodecyl sulfate …
Synthesis And Molecular Mechanics Study Of Platinum Triamine Complex With N-Acetyl-L-Methionine And Guanosine 5’Monophosphate, Nitin Tanajirao Katare
Synthesis And Molecular Mechanics Study Of Platinum Triamine Complex With N-Acetyl-L-Methionine And Guanosine 5’Monophosphate, Nitin Tanajirao Katare
Masters Theses & Specialist Projects
Cisplatin and its analogues have been used and tested over decades for cancer treatment, but because of the serious side effects, it is important to find ways to overcome those side effect by synthesizing a novel platinum molecule. We have synthesized triamine complex and conducted its reaction with biomolecules such as 5’GMP and Methionine in the lab as well as conducted molecular mechanics (MM). MM methods are used for predicting and designing new structures and properties, and to model geometries of small molecules. MM and dynamics calculations have been used to study the 9 Ethylguanine and N-Ac-Lmethionine complexes with platinum …
Novel Integrated Nano-Sensors For Analysis Of Chemical Compounds In Natural Gas Applications, Taylor Robinson
Novel Integrated Nano-Sensors For Analysis Of Chemical Compounds In Natural Gas Applications, Taylor Robinson
Mahurin Honors College Capstone Experience/Thesis Projects
Semiconductor sensors have been important environmental gas detectors since the 1990s, and are commonly used to detect hydrogen, oxygen, alcohol vapor, and even harmful gases such as carbon monoxide. A gas chromatography approach is a well-proven and compact separation technique to identify and quantify multiple compounds in a complex background such as a true natural gas environment. Real time field monitoring implementing classical GC and standard sensors (FID, PID, etc.) have a lot of limitations due to its bulky size, heavy weight, and high maintenance. In this study, we developed a portable instrument through the utilization of novel solid-state sensors …