Browsing Chemistry & Biochemistry Doctoral Work by Issue Date
Now showing items 1-20 of 70
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Differential Modulation of the Structural and Functional Characteristics of Human Matrix Metalloproteinase Isozymes upon Binding to Different Ligands
(North Dakota State University, 2010)Matrix metalloproteinases (MMPs) are a family of Zn2 + -dependent, Ca2 + -containing endoproteinases involved in tissue remodeling and degradation of the extracellular matrix (ECM). Human MMP isozymes are known to be ... -
Influence of Active Site Ligands and Nanoparticle Surfaces on Human Carbonic Anhydrase Isozymes
(North Dakota State University, 2010)Carbonic anhydrase (CA) is an ubiquitously distributed zinc containing metallo enzyme that catalyzes the reversible hydration of carbon dioxide to form bicarbonate and a proton. Existence of 16 isoenzymes of CA in the ... -
Acyl Imidazole : A Promising Template for Asymmetric Lewis and Brønsted Acid Mediated 1,3-Dipolar Cycloadditions
(North Dakota State University, 2011)Construction of chiral complex molecules continues to be a challenge for organic chemists all over the world and to address this challenge numerous methodologies have been developed. 1,3-Dipolar cycloaddition reactions is ... -
Biochemical and Epidemiological Analysis of Mycobacterium Avium Subspecies Paratuberculosis and Investigation of its Relationship to Crohn's Disease in Humans
(North Dakota State University, 2011)Background: Crohn's disease is a chronic inflammatory disease of the intestine in humans, with no known cause. Johne's disease is a chronic intestinal disease of ruminants caused by Mycobacterium avium suhspecies ... -
Stereoselective Carbon-Carbon Bond Construction Using Indium and Bismuth: New Methods in Green Chemistry
(North Dakota State University, 2012)Selective chemical reactions that can be accomplished with minimal waste using non-toxic catalysts and reagents will allow for new greener chemical processes for future environmentally sustainable technologies. This work ... -
Biological Effects of Vasoactive Intestinal Peptide/Pituitary Adenylate Cyclase Activating Polypeptide Receptor 1 (VPAC1) and VPAC2 on Chemotaxis and its Regulation of the Tumor Suppressor Ikaros in Leukemic T Cells
(North Dakota State University, 2012)One in three children diagnosed with cancer has leukemia. Leukemia patients with mutations in the tumor suppressor transcription factor Ikaros (IK), an anti-leukemic factor that is critical for the development of blood ... -
Surface Chemistry Characterization of Hydrodesulfurization and Methanol Synthesis Model Nanocatalysts
(North Dakota State University, 2012)Surface science investigations of model catalysts have contributed significantly to heterogeneous catalysis over the past several decades. The unique properties of nanomaterials are being exploited in catalysis for the ... -
Attempted Total Syntheses of a Novel Lycopodine-Class Alkaloid and (R)-Myricanol, Compounds for the Treatment of Alzheimer's Disease
(North Dakota State University, 2013)Alzheimer's Disease (AD) is a significant challenge to both the pharmaceutical world as well as the synthetic organic chemistry world. One of the most important problems in this field is the lack of a unified approach to ... -
Stereospecific Photochemical Transformations Involving Axially Chiral Acrylanilides and a-Oxoamides
(North Dakota State University, 2013)Asymmetric photochemical transformations have been under-explored due to the ineffectiveness of conventional methodologies/reagents/catalysts (point chiral auxiliaries and inductors) that were generally employed for thermal ... -
From Nanocontainer to Nanocatalyst: Mechanistic Studies of [2+2] Photodimerization of Coumarin Derivatives within Cucubit[8]URIL
(North Dakota State University, 2013)Controlling photoreactions remains a formidable challenge to chemists who have developed several approaches with varying degrees of success to achieve high reactivity/selectivity. Following nature's footprints, chemists ... -
Mechanistic Studies on the Methionine Aminopeptidase and Peptide Deformylase Catalyzed Reactions
(North Dakota State University, 2013)In the search for novel antibiotic and therapeutic targets, methionine aminopeptidase (MetAP) and peptide deformylase (PDF) have recently been identified as eminently compelling. These enzymes are involved in the ... -
Exciton Diffusion, Transport, and Localization in Conjugated Polymers
(North Dakota State University, 2013)Conjugated polymers are wide bandgap semiconductors which have a series of conjugated π-orbitals that extend along the polymer ‘backbone’. The π-orbital conjugation can be disrupted by twisting of the polymer, affecting ... -
Synthesis, Characterization, and Application of Low and Reduced Band Gap Thieno[3,4-b]pyrazine-based Materials
(North Dakota State University, 2013)Conjugated polymers are a class of materials receiving significant interest due to their unique combination of optical and electronic properties found in inorganics with the flexibility and processability of traditional ... -
Synthesis, Photophysics, and Nonlinear Absorption of Platinum (II) and Iridium (III) Complexes
(North Dakota State University, 2013)Square planar d8 platinum(II) complexes and octahedral d6 iridium(III) complexes were synthesized. Their photophysics were studied in detail. Structure-property relationship was studied by varying the substitution on the ... -
Biophysical Studies of Ligand Binding to Human Histone Deacetylase-8
(North Dakota State University, 2014)Due to an involvement in various patho-physiological conditions, human histone deacetylases (HDACs) are high priority drug targets for the treatment of several diseases, such as cancer, heart failure, neurodegeneration, ... -
Identification of Active Sites in Heterogeneous Catalysis and Surface Chemistry Study of Alkanes Adsorption
(North Dakota State University, 2014)Heterogeneous catalysis is considered the basis of the chemical industry. Surface science investigations on model catalysts have made significant contributions in gaining molecular level understanding of heterogeneously ... -
New Strategies for Ruthenium Catalyzed C-C Bond Formation
(North Dakota State University, 2014)Transition metal-catalyzed C-H bond activation allows direct functionalization of the ubiquitous C-H bonds in organic molecules to increase the molecular complexity. Since Murai's pioneering work in ruthenium catalyzed ... -
Stereospecific Phototransformations of Atropisomeric Chromophores
(North Dakota State University, 2014)Photochemical transformations are unique strategy in synthesis that enables us to access complex and structurally diverse organic scaffolds. However, the challenges in controlling the excited-state to perform stereoselective ... -
Stereospecitic Phototransformations of Axially Chiral Chromaphores
(North Dakota State University, 2014)Video summarizing Ph.D. dissertation for a non-specialist audience. -
Synthesis and Characterization of 2,3-Difunctionalized Thieno[3,4-b]Pyrazine-Based Terthienyls Structure-Function Relationships and Side Chain Tunability
(North Dakota State University, 2014)The ability to tune the physical, electronic, and optical properties of polymer precursors has garnered a great deal of interest in the conjugated organic materials field. The Rasmussen group has previously demonstrated ...