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Articles 1 - 7 of 7
Full-Text Articles in Chemistry
Study Of Pharmaceutical Tablets Using Raman Mapping, Kyle Joseph Pauly
Study Of Pharmaceutical Tablets Using Raman Mapping, Kyle Joseph Pauly
Honors Theses
Covalent bonds are the strongest type of bonds holding molecules together. Based on the pattern of bonding of the molecule, the atoms associated with the bond will vibrate at a specific frequency. Utilizing vibrational spectroscopy, such as Raman spectroscopy, these unique vibrational frequencies can be used to detect the presence of analytes over a selected area. Furthermore, the intensities of the vibrational modes can be tracked to comparatively quantify the concentration of analytes at various locations. This is a method of great importance due to its ability to compare pharmaceutical tablets synthesized with different techniques. Here, the presence and concentration …
Intrinsic Buffer Hydroxyl Radical Dosimetry For Hydroxyl Radical Protein Footprinting, Addison Roush
Intrinsic Buffer Hydroxyl Radical Dosimetry For Hydroxyl Radical Protein Footprinting, Addison Roush
Honors Theses
Hydroxyl radical protein footprinting (HRPF) coupled to mass spectrometry is a powerful technique for the analysis of protein topography as it generates covalent mass labels that can survive downstream sample handling, and it is sensitive to the solvent accessibility of amino acid sidechains. Of the multiple platforms for HRPF, fast photochemical oxidation of proteins (FPOP) utilizes a pulsed 248 nm KrF excimer laser to label proteins by photolyzing hydrogen peroxide. FPOP is the most widely used HRPF platform because it labels proteins faster than unfolding can occur. Variations in FPOP sample conditions make it difficult to compare results between experiments …
Spectroscopic And Computational Studies Of The Agricultural Active Ingredient Dicamba, James Johnson
Spectroscopic And Computational Studies Of The Agricultural Active Ingredient Dicamba, James Johnson
Honors Theses
3,6-dichloro-2-methoxy benzoic acid, more commonly known as Dicamba, is the active ingredient in an array of pesticides used on farmlands across the globe. Dicamba’s mode of action works by mimicking the plant hormone auxin, which is synonymous to growth hormones in mammals. The mimicking of auxin results in excessive elongation and growing, which is eventually fatal for plants when the rate of growth can no longer be sustained. Dicamba has risen in prominence in recent years due to drift damage as a result of Dicamba’s high volatility. Having the ability to identify Dicamba is crucial for the agricultural industry. The …
Synthesis Of Novel Temozolomide-Fatty Acid Imide Hybrid Compounds For The Chemotherapeutic Treatment Of Glioblastoma Multiforme, Janice Pakkianathan
Synthesis Of Novel Temozolomide-Fatty Acid Imide Hybrid Compounds For The Chemotherapeutic Treatment Of Glioblastoma Multiforme, Janice Pakkianathan
Honors Theses
Glioblastoma multiforme (GBM) is an aggressive form of brain cancer that originates from glial cells, which make up the supportive tissue surrounding neurons. Temozolomide (TMZ) is the current chemotherapeutic drug administered to treat GBM as it works to inhibit the growth of the cancer cells. This research study focused on developing a method for synthesizing novel hybrid compounds that combines TMZ with various fatty acids known to have anticancer properties, forming a series of imide compounds with potential chemotherapeutic effects. Before synthesizing the compounds, various methods for synthesizing an imide from a primary amide were tested to ensure that TMZ …
Developing A New Water-Soluble Porphyrin As A Potential Photodynamic Cancer Therapy Agent, Catherine Shirley
Developing A New Water-Soluble Porphyrin As A Potential Photodynamic Cancer Therapy Agent, Catherine Shirley
Honors Theses
Photodynamic cancer therapy (PDT) is a type of treatment involving the use of light in conjunction with a photosensitive agent- a chemical or series of chemicals designed for activation when exposed to light. This research project investigated the synthesis and identification of the novel photosensitive agent, H2TPP-Pro-OH. To create the water-soluble porphyrin, (S)-(+)-prolinol was reacted with the tetra-carboxyl porphyrin, H2TPPC, to form the final H2TPP-Pro-OH product. This compound was then purified using syringe filtration and column chromatography, and subsequently characterized using infrared (IR), nuclear magnetic resonance (NMR), and Ultraviolet-visible (UV-vis) spectroscopies, as well as High Performance Liquid Chromatography (HPLC). Finally, …
Preparation And Cytotoxicity Of Novel Carbon Nano-Onion Materials, Cammie York
Preparation And Cytotoxicity Of Novel Carbon Nano-Onion Materials, Cammie York
Honors Theses
The applications of carbon nanomaterials (CNM), including graphene and its derivatives such as carbon nanotubes (CNTs) in nanomedicine is well established. These nanomaterials have been widely used as theranostic delivery systems with the potential to deliver bioactive agents and simultaneously detect selectively diseased tissues. A rather underexplored CNM for biomedical imaging and theranostics delivery are carbon nano-onions (CNOs). CNOs are carbon-based nanomaterials that can potentially be used in cancer therapy when they are functionalized. Recent studies on cellular fate of different CNMs, including CNOs, have demonstrated that the surface composition is critical for the in vivo application of these CNM. …
The Biochemical Characterization Of Cellular Retinoic Acid Binding Protein Type 1 (Crabp1), Emma Magna
The Biochemical Characterization Of Cellular Retinoic Acid Binding Protein Type 1 (Crabp1), Emma Magna
Honors Theses
The goal of this research was to express and purify Cellular Retinoic Acid Binding Protein Type 1 (CRABP1). CRABP1 binds to retinoic acid in the cell and shuttles the retinoic acid from one area in the cell to another. The overproduction of CRABP1 appears to be problematic because it can sequester the retinoic acid and prevent it from regulating gene expression. Previous studies have shown that increased levels of CRABP1 can result in tumor-promoting activity and disruption of lipid biology in the cell. Our objective was to express this protein in an inducible bacterial system, so that we could purify …