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Articles 1 - 4 of 4
Full-Text Articles in Chemicals and Drugs
Mechanism-Driven Approaches And Novel Constructs For High Purity Rna Synthesis, Kithmie Malagodapathiranage
Mechanism-Driven Approaches And Novel Constructs For High Purity Rna Synthesis, Kithmie Malagodapathiranage
Doctoral Dissertations
RNA is poised to revolutionize medicine. By simply changing the sequence, one therapeutic can be converted into a wholly new one, with little or no change in manufacturing and formulation. While a single mRNA vaccine produced at massive scale can treat billions, the re-codability of RNA will also enable the widespread growth of personalized medicines. T7 RNA polymerase is highly efficient at the synthesis of therapeutic RNA, but is known to produce unintended RNA impurities during synthesis. These products arise from the encoded RNA rebinding the enzyme such that its 3’ end serves as a primer for extension. This leads …
Frontiers In The Self-Assembly Of Charged Macromolecules, Khatcher O. Margossian
Frontiers In The Self-Assembly Of Charged Macromolecules, Khatcher O. Margossian
Doctoral Dissertations
The self-assembly of charged macromolecules forms the basis of all life on earth. From the synthesis and replication of nucleic acids, to the association of DNA to chromatin, to the targeting of RNA to various cellular compartments, to the astonishingly consistent folding of proteins, all life depends on the physics of the organization and dynamics of charged polymers. In this dissertation, I address several of the newest challenges in the assembly of these types of materials. First, I describe the exciting new physics of the complexation between polyzwitterions and polyelectrolytes. These materials open new questions and possibilities within the context …
Biomedical Applications Of Protein Films And Polymeric Nanomaterials, Sanjana Gopalakrishnan
Biomedical Applications Of Protein Films And Polymeric Nanomaterials, Sanjana Gopalakrishnan
Doctoral Dissertations
Biomaterials are widely applied for the diagnosis and treatment of numerous diseases. In addition to fulfilling specific biological functions, biomaterials must also be non-toxic, biocompatible, and sterilizable to be regarded as safe-for-use. Polymers are excellent candidates for fabricating functional biomaterials due to their wide availability and varied properties and may be natural or synthetic. Polymer precursors are fabricated into coatings, foams, scaffolds, gels, composites, and nanomaterials for several biomedical applications. This dissertation focuses on two types of polymeric biomaterials – protein-based materials and synthetic polymeric nanoparticles. Proteins are biopolymers that naturally occur with a variety of structural and functional properties. …
Colicins - A Sound Antimicrobial Approach For The Prevention Of Catheter-Associated Urinary Tract Infections, Sandra M. Roy
Colicins - A Sound Antimicrobial Approach For The Prevention Of Catheter-Associated Urinary Tract Infections, Sandra M. Roy
Doctoral Dissertations
The emergence and spread of antibiotic resistance has created one of the greatest challenges in fighting infectious disease. We address the rise of antibiotic-resistant pathogens by examining the evolutionary history of a class of resistance determinants, the SHV b-lactamases. We isolated the genes that encode the SHV beta-lactamases (blaSHV genes) from clinical settings and from an environment essentially devoid of antibiotic use. Our data suggests that, counter to current dogma, the use of antibiotics in the clinic is not creating these resistance genes; genes for antibiotic resistance already exist in nature and our use of antibiotics in clinical …