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Articles 1 - 5 of 5
Full-Text Articles in Carbohydrates
Getting To The Root Of Bacterial Hairs: What Is “S”?, Rebecca Gaddis, Samantha O'Conner, Evan Anderson, Terri Camesano, Nancy Burnham
Getting To The Root Of Bacterial Hairs: What Is “S”?, Rebecca Gaddis, Samantha O'Conner, Evan Anderson, Terri Camesano, Nancy Burnham
Nancy A. Burnham
An atomic force microscope (AFM) was used to measure the steric forces of lipopolysaccharides (LPS) on the biofilm-forming bacteria, Pseudomonas aeruginosa. It is well known that LPS play a vital role in biofilm formation. These forces were characterized with a modified version of the Alexander and de Gennes (AdG) model for polymers, which is a function of equilibrium brush length, L, probe radius, R, temperature, T, separation distance, D, and an indefinite density variable, s. This last parameter was originally distinguished by de Gennes as the root spacing or mesh spacing depending upon the type of polymer adhesion; however since …
Design And Synthesis Of Novel Nucleoside Analogues: Oxidative And Reductive Approaches Toward Synthesis Of 2'-Fluoro Pyrimidine Nucleosides, Ramanjaneyulu Rayala
Design And Synthesis Of Novel Nucleoside Analogues: Oxidative And Reductive Approaches Toward Synthesis Of 2'-Fluoro Pyrimidine Nucleosides, Ramanjaneyulu Rayala
FIU Electronic Theses and Dissertations
Fluorinated nucleosides, especially the analogues with fluorine atom(s) in the ribose ring, have been known to exert potent biological activities. The first part of this dissertation was aimed at developing oxidative desulfurization-fluorination and reductive desulfonylation-fluorination methodologies toward the synthesis of 2'-mono and/or 2',2'-difluoro pyrimidine nucleosides from the corresponding 2'-arylthiopyrimidine precursors. Novel oxidative desulfurization-difluorination methodology was developed for the synthesis of α,α-difluorinted esters from the corresponding α-arylthio esters, wherein the arylthio group is present on a secondary internal carbon. For the reductive desulfonylation studies, cyclic voltammetry was utilized to measure the reduction potentials at which the sulfone moiety of substrates can …
Human Anatomy And Physiology Preparatory Course (1st Edition), Carlos Liachovitzky
Human Anatomy And Physiology Preparatory Course (1st Edition), Carlos Liachovitzky
Open Educational Resources
The overall purpose of this preparatory course textbook is to help students familiarize with some terms and some basic concepts they will find later in the Human Anatomy and Physiology I course.
The organization and functioning of the human organism generally is discussed in terms of different levels of increasing complexity, from the smallest building blocks to the entire body. This Anatomy and Physiology preparatory course covers the foundations on the chemical level, and a basic introduction to cellular level, organ level, and organ system levels. There is also an introduction to homeostasis at the beginning.
Chemoenzymatic Studies To Enhance The Chemical Space Of Natural Products, Jhong-Min Chen
Chemoenzymatic Studies To Enhance The Chemical Space Of Natural Products, Jhong-Min Chen
Theses and Dissertations--Pharmacy
Natural products provide some of the most potent anticancer agents and offer a template for new drug design or improvement with the advantage of an enormous chemical space. The overall goal of this thesis research is to enhance the chemical space of two natural products in order to generate novel drugs with better in vivo bioactivities than the original natural products.
Polycarcin V (PV) is a gilvocarcin-type antitumor agent with similar structure and comparable bioactivity with the principle compound of this group, gilvocarcin V (GV). Modest modifications of the polyketide-derived tetracyclic core of GV had been accomplished, but the most …
Polymer Interactions With Nucleic Acids Under Various Physiological Conditions, Matthew S. Obrzut
Polymer Interactions With Nucleic Acids Under Various Physiological Conditions, Matthew S. Obrzut
Williams Honors College, Honors Research Projects
The goal of this project is to improve our understanding of nucleic acid interactions with cationic polymers with the theory that the polymers could protect the nucleic acids from degradation caused by biological enzymes. We seek to understand what the limitations of the cationic polymers are which, in this case, is mainly polymer-DNA compatibility. This experiment utilized peptide-dextran hybrid polymers with differing functionalizations to condense anionic nucleic acids into nanometer-sized polyplexes. Techniques of dynamic light scattering and zeta-potential were utilized to determine the particle sizes and surface charges of polyplexes.
In this experiment, dextran with a molecular weight of 20 …