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Biochemistry, Biophysics, and Structural Biology Commons™
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- Chemometrics (2)
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Articles 1 - 7 of 7
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Raman Spectroscopy And Chemometrics For Forensic Bloodstain Analysis : Species Differentiation, Donor Age Estimation, And Dating Of Bloodstains, Kyle C. Doty
Legacy Theses & Dissertations (2009 - 2024)
The field of forensic science is constantly growing, so the advancement of old and unreliable techniques is at the forefront of what will lead to future progress and improvement. Current methods for identification and analysis of bloodstains are underwhelming due to the insignificant amount of information provided in a destructive, unreliable, and unsafe manner. As is the purpose of this research, creating new methodologies that are rapid, nondestructive, robust, statistically reliable, and safe would significantly advance the way bloodstains are currently analyzed, while providing more useful and relevant information for investigations and criminal proceedings. Raman spectroscopy, along with advanced statistical …
Structural Characterization Of The Interactions Of Nicotinamide And Analogs With Human Sirt6 By Saturation Transfer Difference (Std) Nmr And Site Directed Mutagenesis, Beatriz Elena Bolivar-Vega
Structural Characterization Of The Interactions Of Nicotinamide And Analogs With Human Sirt6 By Saturation Transfer Difference (Std) Nmr And Site Directed Mutagenesis, Beatriz Elena Bolivar-Vega
Legacy Theses & Dissertations (2009 - 2024)
The allosteric regulation of SIRT6 by nicotinamide (NAM), along with the growing evidence of this enzyme's key role in the immune response, prompted the mechanistic study of SIRT6 inhibition by pyrazinamide (PZA) and analogs. In our current study, PZA, an analog of NAM, was revealed to have a modest modulatory effect on SIRT6, an enzyme that regulates the NF-κB signaling pathway at the transcriptional level (a relevant pathway to inflammation). Similarly, the analogs of PZA, 5-Cl PZA, 5-MeO PZA, and POA exhibited a modulatory effect against SIRT6 in our in vitro studies, enabling identification of a potential new target for …
Study Of Biologically Important Macromolecules By Nuclear Magnetic Resonance, Christopher Michael Demott
Study Of Biologically Important Macromolecules By Nuclear Magnetic Resonance, Christopher Michael Demott
Legacy Theses & Dissertations (2009 - 2024)
Intrinsically disordered proteins or unstructured segments within proteins play an important role in cellular physiology and pathology. A combination of peptide aptamers selected by using the yeast-two-hybrid scheme, and in-cell NMR identified high affinity binders to a transiently structured intrinsically disordered proteins (IDP). This method was validated using the prokaryotic ubiquitin-like protein, Pup, of the Mycobacterium proteasome. We discover two peptide aptamers that bind to opposite sites of a transient helix in Pup, an intrinsically disordered protein, that have vastly different effects on the survival of Mycobacterium bovis BCG.
Further Development Of Raman Spectroscopy For Body Fluid Investigation : Forensic Identification, Limit Of Detection, And Donor Characterization, Claire K. Muro
Further Development Of Raman Spectroscopy For Body Fluid Investigation : Forensic Identification, Limit Of Detection, And Donor Characterization, Claire K. Muro
Legacy Theses & Dissertations (2009 - 2024)
The challenges to forensic body fluid analysis have placed limitations on the type of information that investigators can acquire and how that information can be collected. In recent years, Raman spectroscopy has proven itself useful for characterizing body fluids. In 2008, a large-scale investigation was undertaken to explore the use of Raman spectroscopy as a means of identifying body fluids. This work resulted in multidimensional Raman spectroscopic signatures for the five main body fluids: semen, peripheral blood, saliva, vaginal fluid, and sweat. These studies were incredibly successful and created the foundation for years of continued research. Accordingly, the studies included …
Discovering Small Molecule Inhibitors Targeted To Ligand-Stimulated Rage-Diaph1 Signaling Transduction, Jinhong Pan
Discovering Small Molecule Inhibitors Targeted To Ligand-Stimulated Rage-Diaph1 Signaling Transduction, Jinhong Pan
Legacy Theses & Dissertations (2009 - 2024)
The receptor of advanced glycation end product (RAGE) is a multiligand receptor of the immunoglobulin superfamily of cell surface molecules, which plays an important role in immune responses. Full-length RAGE includes three extracellular immunoglobulin domains, a transmembrane domain and an intracellular domain. It is a pattern recognition receptor that can bind diverse ligands. NMR spectroscopy and x-ray crystallization studies of the extracellular domains of RAGE indicate that RAGE ligands bind by distinct charge- and hydrophobicity-dependent mechanisms. It is found that calgranulin binding to the C1C2 domain or AGEs binding to the V domain activates extracellular signaling, which triggers interactions of …
A Laser-Pulse Photolysis Study Of The Mechanism Of Potentiation Of The Glua2qflip Ampa Receptors By Cx546, Yu-Chuan Shen
A Laser-Pulse Photolysis Study Of The Mechanism Of Potentiation Of The Glua2qflip Ampa Receptors By Cx546, Yu-Chuan Shen
Legacy Theses & Dissertations (2009 - 2024)
Insufficient activity of the α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA)-type glutamate ion channels is involved in neurological disorders and developmental problems, such as schizophrenia, one of the most serious psychiatric diseases. Use of regulatory agents to enhance AMPA receptor activity under the circumstance has been shown therapeutically beneficial. Specifically, small-molecule compounds generally termed as potentiators or positive modulators of AMPA receptors have long been pursued as drug candidates for a potential treatment of these neurological disorders and diseases. The goal of my MS thesis work is to investigate the mechanism of potentiation on AMPA receptor by a classic potentiator known as CX546. The …
A Kinetic Study Of Regulation Of Glua1 Homomeric And Heteromeric Ampa Receptors By 2,3-Benzodiazepines, Yin-Shuo (Andrew) Wu
A Kinetic Study Of Regulation Of Glua1 Homomeric And Heteromeric Ampa Receptors By 2,3-Benzodiazepines, Yin-Shuo (Andrew) Wu
Legacy Theses & Dissertations (2009 - 2024)
AMPA receptors are a subtype of the ionotropic glutamate receptor family. They are ligand-gated or glutamate-activated, transmembrane ion channels that mediate the majority of excitatory synaptic transmission in the central nervous system. AMPA receptors are essential for neuronal development and brain functions, including learning and memory. Over-activation of calcium permeable AMPA receptors has been linked to some neurological diseases such as stroke, Alzheimer’s disease and amyotrophic lateral sclerosis. Inhibitors of glutamate receptors are therefore drug candidates for the potential treatment of these neurological diseases. One of the most promising classes of AMPA receptor antagonists is 2,3-benzodiazepine derivatives, thought to be …