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Full-Text Articles in Biomaterials

Reactive Chemistries For Protein Labeling, Degradation, And Stimuli Responsive Delivery, Myrat Kurbanov Nov 2023

Reactive Chemistries For Protein Labeling, Degradation, And Stimuli Responsive Delivery, Myrat Kurbanov

Doctoral Dissertations

Reactive chemistries for protein chemical modification play an instrumental role in chemical biology, proteomics, and therapeutics. Depending on the application, the selectivity of these modifications can range from precise modification of an amino acid sequence by genetic manipulation of protein expression machinery to a stochastic modification of lysine residues on the protein surface. Ligand-Directed (LD) chemistry is one of the few methods for targeted modification of endogenous proteins without genetic engineering. However, current LD strategies are limited by stringent amino acid selectivity. To bridge this gap, this thesis focuses on the development of highly reactive LD Triggerable Michael Acceptors (LD-TMAcs) …


Electrostatic Effects On Lipid Bilayer Physicochemal Properties And Vesicle Adhesion, Oscar Zabala-Ferrera Nov 2023

Electrostatic Effects On Lipid Bilayer Physicochemal Properties And Vesicle Adhesion, Oscar Zabala-Ferrera

Doctoral Dissertations

Lipids are an integral part of cells, being the principal component of the cell membrane, and contributing to the function and regulation of biological processes. Lipid nanoparticles mimicking a cell’s endosomes or exosomes are of particular interest within the pharmaceutical industry for their ability to deliver cargo such as RNA into target cells. The delivery process faces a multitude of challenges, so a rational design approach for vesicles that considers a lipid’s physicochemical contribution to the membrane is desired. To that end, this thesis explores the creation of large area biomembranes along with the development of electromechanical and optical characterization …


Reprogramming And Imaging Of Tumor Associated Macrophages Using Spuramolecular Nanoparticles, Anujan Ramesh Aug 2023

Reprogramming And Imaging Of Tumor Associated Macrophages Using Spuramolecular Nanoparticles, Anujan Ramesh

Doctoral Dissertations

Macrophages are highly plastic cells that are a part of the mononuclear phagocytic system and play a crucial role in both the innate and the adaptive immune systems. Although they have functionally diverse roles involved in physiological and pathological processes, they primarily act as phagocytes that aid in clearing infections. During these instances of tissue injury or infections, circulating monocytes are recruited to the site of the injury, where they differentiate to give rise to macrophages that have a pro-inflammatory function. These monocytes derived macrophages, however, exist across a spectrum of phenotypes based on the local tissue environment. The two …