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N-Acyl Ciprofloxacins: Synthesis, Antibacterial Activity And Effects On Molecular Loading Of Poly(Vinyl Benzoate) Nanoparticles, Ryan Cormier
USF Tampa Graduate Theses and Dissertations
Bacterial infections are becoming progressively more difficult to treat due to antibiotic resistance and the decreasing rate at which new antibiotics are brought to market. The Turos laboratory has attempted to tackle this problem for the last 15 years with the discovery of N-thiolated β-lactams leading to the design of polyacrylate nanoparticles to deliver these and other drugs. Chapter 1 discusses many reported instances of utilizing different types of polymeric nanoparticles to deliver antibiotics. Poly(lactic-co-glycolic acid) (PLGA), poly(alkyl cyanoacrylate) (PACA), poly(styrene-co-butylacrylate), and chitosan are the main polymers used to make nanoparticles. Chapter 2 describes the synthesis, antibacterial activity, and mechanism …
Drug Discovery From Floridian Mangrove Endophytes, Jeremy Beau
Drug Discovery From Floridian Mangrove Endophytes, Jeremy Beau
USF Tampa Graduate Theses and Dissertations
A significant challenge of the 21st century is the growing health threat stemming from drug-resistant infectious diseases. There is an undeniable need to discover new, safe and effective drugs with novel mechanisms of action to combat this threat. A study of drugs currently on the market showed that natural products account for approximately 75% of new anti-infective drugs, either as new agents or analogs based upon their structure. Unfortunately, major pharmaceutical companies have cut back tremendously in natural products research in part due to the frustrating obstacle of frequent rediscovery of compounds. Fungi in particular are difficult to work with …
Synthesis And Anti-Mrsa Activity Of Hydrophilic C3-Acylated N-Thiolated Β-Lactams And N-Acyl Ciprofloxacin-N-Thiolated Β-Lactam Hybrids, Biplob Bhattacharya
Synthesis And Anti-Mrsa Activity Of Hydrophilic C3-Acylated N-Thiolated Β-Lactams And N-Acyl Ciprofloxacin-N-Thiolated Β-Lactam Hybrids, Biplob Bhattacharya
USF Tampa Graduate Theses and Dissertations
The Turos laboratory has been working with N-thiolated β-lactams for years trying to understand the mode of action and structural features it needs to have biological activity. Over the years new data has shown promising inhibitory activity against various microbes.
In this dissertation, a review of the vast amount of work carried out on N-thiolated β-lactams in Turos laboratory has been done and their novelty, in terms of structure and mechanism has been discussed. A complete outline of our work in the discovery and ongoing development of these compounds, starting from our initial, unexpected finding of antimicrobial activity for one …