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Articles 1 - 4 of 4
Full-Text Articles in Pharmaceutical Preparations
Second Generation Phenyloxadiazolyl Methyl Sulfones For Thiol-Specific Bioconjugations, Guillaume Dewaele-Le Roi
Second Generation Phenyloxadiazolyl Methyl Sulfones For Thiol-Specific Bioconjugations, Guillaume Dewaele-Le Roi
Dissertations, Theses, and Capstone Projects
The role of antibody-based molecular agents for diagnosis and therapy of cancer has expanded significantly over the past decades. However, most of these constructs are synthesized using traditional bioconjugation methods based on the random ligations between the molecular cargo and lysine residues within the protein. These non-specific approaches can create poorly defined conjugates with suboptimal immunoreactivity and in vivo performance while Site-specific approaches to antibody bioconjugation based on ligations between maleimides and free cysteine residues have long stood as attractive alternatives. Yet the inherent instability of the thiol-maleimide linkage has fueled the search for new, more stable thiol-reactive prosthetic groups. …
Leveraging Bio-Inspired Molecules For Cancer Theranostics, Douglas S. Macpherson
Leveraging Bio-Inspired Molecules For Cancer Theranostics, Douglas S. Macpherson
Dissertations, Theses, and Capstone Projects
A variety of molecules can be radiolabeled and delivered to a cancer site for the purposes of diagnostics and therapy. Among the most promising of tumor targeting molecules are peptides and antibodies. These bio-inspired molecules can be designed and synthesized to target and respond to cancer cells based on the properties of those cells. Matrix metalloproteinase (MMP) enzymes are over-expressed by some metastatic cancers, in which they are responsible for the degradation and remodeling of the extracellular matrix. In recent years, MMPs have emerged as promising targets for enzyme-responsive diagnostic probes because oligopeptides can be designed to be selectively hydrolyzed …
Engineered Plga Nanofibers For Drug Delivery, Andrew Mancuso
Engineered Plga Nanofibers For Drug Delivery, Andrew Mancuso
Dissertations, Theses, and Capstone Projects
Poly-lactic-co-glycolic acid (PLGA) polymers are rapidly gaining momentum as a platform for next-generation drug delivery systems due to their ease and low cost of synthesis, favorable biocompatibility and biodegradability, and lack of toxicity. In particular, the application of drug-loaded PLGA nanofibers directly to a target tissue may represent a promising alternative to traditional routes of drug administration (e.g., oral, injectable) as they offer the potential to greatly improve bioavailability, increase efficacy, and reduce off-target toxicity. Furthermore, the use of such a system may potentially allow for greater flexibility in clinical drug development, by enabling the use of compounds which have …
Heterocycle Synthesis From Quinols, Jing Wu
Heterocycle Synthesis From Quinols, Jing Wu
Dissertations, Theses, and Capstone Projects
Three cascade reactions that provide access to various heterocyclic skeletons from quinols were developed. Various substituted 1-hydroxyacridones, 4-hydroxycarbazoles and 4-hydroxy-indolin-3-ones were readily synthesized in moderate to excellent yields. The common sequential transformation involves carbamation/Michael addition/mixed Claisen condensation/decarboxylative aromatization which were realized in one-pot reactions in the synthesis of acridones and indolin-3-ones, or two-step reactions in the synthesis of carbazoles. A side reaction from oxidative dearomatization of phenols, affording iodo diaryl ethers in one step from commercial phenols, albeit in low yields, revealed an intricate mechanistic pathway. The synthesis of jaboticabin was realized in nine linear steps from commercial phloroglucinol and …