Browsing Chemistry & Biochemistry by Title
Now showing items 54-73 of 87
-
The Optimization of Whole Genome Amplification and Molecular Crowding for Use in Forensic Low Copy Number Samples
(North Dakota State University, 2011)Whole genome amplification has been used as a powerful tool to increase the amount of DNA template used for microarrays, STR and SNP assays in clinical and forensic settings. Our laboratory observed that multiple displacement ... -
Palladium-Catalyzed Suzuki-Miyaura Cross-Coupling Reaction of Aromatic Esters and Aromatic Diesters with Arylboronic Acids
(North Dakota State University, 2020)The palladium-catalyzed cross-coupling reactions for the functionalization of the ester bond provides a significant overall improvement in the catalytic system as compared to aryl halides/pseudo-halides electrophilic ... -
Photons in Action: Asymmetric Synthesis and Polymer Degradation
(North Dakota State University, 2016)Light is an environmentally benign and renewable source of energy that finds wide application in the field of science. This dissertation explores two areas of chemistry that utilizes light extensively viz., asymmetric ... -
Photons in Action: Asymmetric Synthesis and Polymer Degradation
(North Dakota State University, 2016)Video summarizing Ph.D. dissertation for a non-specialist audience. -
Regioselective and Enantioselective Nitrone Cycloadditions to Alkynones.
(North Dakota State University, 2010)There has been a need in agriculture, medicine, and organic chemistry for enantiopure isoxazolines. A direct method for their synthesis is from the cycloaddition of 1,3-dipoles and alkynes. Alkynones are difficult ... -
Scrutinizing the Role of Ambipolar Units in the Donor-Acceptor Framework
(North Dakota State University, 2021)Conjugated polymers (CPs) are a class of materials that contradict what is commonly considered when people hear the terms plastics and electronics. While these two phrases are generally considered exclusive, CPs combine ... -
Seeing the Forest for the Trees: An Exploration of Student Problem Solving and Reasoning with 1H NMR Spectral Features
(North Dakota State University, 2020)Nuclear magnetic resonance (NMR) spectroscopy is vital to synthesis and provides rich problem-solving opportunities for organic chemistry students. However, little is known about 1H NMR spectroscopy instruction or how ... -
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 ... -
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 ... -
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. -
Strategic Functionalization of Single Walled Carbon Nanotubes to Manipulate their Electronic and Optical Properties
(North Dakota State University, 2017)Single-walled carbon nanotubes (SWCNTs) are unique materials that exhibit chirality-specific properties due to their one-dimensional confinement. As a result, they are explored for a wide range of applications including ... -
Structural Basis for the Regulation of a Conserved TonB-dependent Iron Transport System via Cell-surface Signaling in Gram-negative Bacteria
(North Dakota State University, 2017)Cell-surface signaling (CSS) pathways are highly conserved systems in Gram-negative bacteria that allow the cell to efficiently respond to environmental stimuli through transcriptional regulation. Three distinct proteins ... -
Structural Studies of the Mechanism by Which BCL-2 and Beclin Proteins Regulate Autophagy and Apoptosis
(North Dakota State University, 2016)Autophagy and apoptosis are catabolic pathways essential for homeostasis in all eukaryotes. While autophagy usually promotes cell-survival by enabling degradation and recycling of damaged macromolecules, apoptosis is the ... -
Supramolecular Functionalization of Single-Walled Carbon Nanotubes
(North Dakota State University, 2013)Single-walled carbon nanotubes (SWNTs) possess extraordinary mechanical strength, thermal and electrical conductivity. These properties make them very attractive in many applications in the fields of nanotechnology, ... -
Surface and Interface Effects on the Photoexcited Process of Silver Nanoclusters, and Lead & Cadmium Chalcogenide Nanocrystals
(North Dakota State University, 2020)The surface and interface of the metal nanoclusters and semiconducting nanomaterials play a key role in determining the electronic structure and overall photophysical properties. A single strand DNA stabilizes the metal ... -
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 ... -
Synthesis and Applications of Dialdehydes
(North Dakota State University, 2018)Due to their reactivity and ease of functional group interconversions, aldehydes have wide-ranging applications in polymer synthesis, such as polyacetals, epoxy resins, and polyurethanes. Recently, room temperature synthesis ... -
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 ... -
Synthesis and Design of Thiophene Materials: Effects of Ring Fusion and Metal Coordination
(North Dakota State University, 2019)Conjugated organic materials comprise a field of materials chemistry focused on the development of semiconducting organic plastics, popular applications of which are plastic solar cells and display technologies. One of the ...