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Full-Text Articles in Physical Sciences and Mathematics
Synthesis And Biological Activity Of Novel Quorum Sensing Compounds, Joseph Nicholas Capilato
Synthesis And Biological Activity Of Novel Quorum Sensing Compounds, Joseph Nicholas Capilato
Theses and Dissertations
Bacteria communicate with chemical signals in a process known as quorum sensing. This population density-dependent process involves the bacterial production, release and detection of structurally specific small molecules and enables the bacterial pathogen to regulate its virulence on a population-wide level. Using a variety of chemical and biological techniques, I have studied various quorum sensing systems in several bacteria, including Vibrio cholera and Pseudomonas aeruginosa. A key principle of this research involves the design, synthesis and testing of novel compounds for their biological activity. These molecules are typically based off of an initial lead target, which is often identified …
Novel Biodegradable Protonic Ionic Liquid For The Fischer Indole Synthesis Reaction, William C. Neuhaus, Ian J. Bakanas, Joseph R. Lizza, Charles T. Boon Jr., Gustavo Moura-Letts
Novel Biodegradable Protonic Ionic Liquid For The Fischer Indole Synthesis Reaction, William C. Neuhaus, Ian J. Bakanas, Joseph R. Lizza, Charles T. Boon Jr., Gustavo Moura-Letts
Faculty Scholarship for the College of Science & Mathematics
Novel eco-friendly tetramethylguanidinium propanesulfonic acid trifluoromethylacetate ([TMGHPS][TFA]) ionic liquid was developed as catalyst and medium for the Fischer indole synthesis of a wide variety of hydrazines and ketones. The indole products were isolated in high yields and with minimal amounts of organic solvent. This reaction showed that [TMGHPS][TFA] can be regenerated and reused with reproducible yields without eroding the integrity of the ionic liquid.