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Articles 1 - 13 of 13
Full-Text Articles in Chemistry
Synthesis Of Bis(Imino)Pyridine Iron(Ii) Complexes And Development Of Bis(Imino)Pyridine Iron(Ii) Catalyzed Carbene Transfer Reactions, Ban Wang
Masters Theses & Specialist Projects
Metal catalysis of symmetric and asymmetric carbene transfer reactions has been widely applied in natural product synthesis and material science over years. Metal carbene can be easily generated from the extrusion of nitrogen under the catalysis of metal complexes to further undergo various organic reactions, O/N/C-H insertions, cycloadditions, and ylide formations. Currently, the dominant effective catalysts for carbene reactions are built with expensive precious metal, for example, rhodium, ruthenium, palladium, gold. Notably, the effective reactivity and enantioselectivity of the dirhodium(II) catalysts are researched and established over the decades. However, the use of precious metal catalysts is the major source of …
Leaving Ligand Effects On Reactivity And Solubility Of Monofunctional Platinum(Ii) Anticancer Complexes, Heidi Linn Hruska Millay
Leaving Ligand Effects On Reactivity And Solubility Of Monofunctional Platinum(Ii) Anticancer Complexes, Heidi Linn Hruska Millay
Masters Theses & Specialist Projects
Monofunctional platinum(II) complexes, such as phenanthriplatin and pyriplatin, have notably different characteristics from the bifunctional anticancer complexes, such as cisplatin and oxaliplatin, which have detrimental toxicities and resistance associated with them. The unique properties of the monofunctional complexes may be exploited to target cancer cells without producing the toxic side effects associated with the current FDA-approved platinum-based anticancer drugs. To advance the understanding of these monofunctional platinum(II) complexes, this study replaced the chloride leaving ligand with an acetate group, which should increase solubility and alter the rate of reactivity with key amino acid and nucleotide targets. Phenanthriplatin and pyriplatin compounds …
Interaction Of A Platinum Triamine Complex Having A Seven-Membered Chelate Ring With N-Acetyl-Lmethionine And Guanosine 5'-Monophosphate, Jae Ko
Masters Theses & Specialist Projects
In the 1960s, Rosenberg and his colleagues confirmed the anti-cancer activity of cisplatin. Although cisplatin was capable of killing testicular cancer cells there were also serious side effects. It was necessary to find alternate ways of overcoming side effects, and soon many researchers have discovered novel platinum compounds that show similar reactivity. Recently, replacing one chloride group to a heterocyclic amine group showed significant cytotoxicity with a different binding activity than cisplatin. Previously in our lab, [Pt(Me5dien)(NO3)]+ and [Pt(Et2dien)Cl]+ have been synthesized and reacted with NAcetyl- L-methionine (N-AcMet) and Guanosine 5’-monophosphate (5’-GMP) showed unusual reactivity. Unlike most previously studied platinum …
The Development Of An Integrated Simulation Model On Understandings On The Interaction Between Electromagnetic Waves And Nanoparticles, Xiaojin Wang
Masters Theses & Specialist Projects
To investigate the interaction between nanoparticles and electromagnetic waves, a numerical simulation model based on FEM was built in this thesis. Numerical simulation is an important auxiliary research method besides experiments. The optical properties of nanoparticles consist of scattering, absorption, and extinction, and in the case of nanoparticle suspension, the transmission is also involved. This thesis addressed two typical applications based on the established model, one was regarding the nanofluids for solar energy harvesting, and the other was regarding the optical properties of atmospheric soot. In the case of the nanofluids solar energy harvesting, the established model provided a convenient …
The Effects Of Organic And Inorganic Nanoparticles On Bacterial Deactivation, Lauren Cooper
The Effects Of Organic And Inorganic Nanoparticles On Bacterial Deactivation, Lauren Cooper
Mahurin Honors College Capstone Experience/Thesis Projects
Antibacterial resistance is one of the greatest problems in modern medicine, as healthcare professionals are experiencing more and more difficulty in providing effective care. As such, alternative methods of treatment are needed in order to overcome this issue. One recently proposed method of alternative treatment is photodynamic therapy. Photodynamic therapy is a light-based method of treatment that utilizes (1) a photosensitizing agent, (2) light, (3) produced oxygen species. When the photosensitizing agent is injected into an infected region of interest and then irradiated with a certain wavelength of light, the agent is photoactivated and begins to produce harmful forms of …
Developing Tale Proteins As A Biosensor For Detecting Pathogen Specific Double-Stranded Dna, Kathrine Gaiko
Developing Tale Proteins As A Biosensor For Detecting Pathogen Specific Double-Stranded Dna, Kathrine Gaiko
Mahurin Honors College Capstone Experience/Thesis Projects
Transcription activator-like effector (TALE) proteins are important for DNA binding. They bind to specific nucleotide sequences by the use of two residues in each repeat allowing them to target specific DNA sequences. Their modular structure makes TALEs advantageous over other DNA binding proteins such as zinc finger proteins. Zinc finger proteins (ZFP) use a finger like projection to bind 3-4 subsequence base pairs while TALE proteins use two amino acid residues in each repeat to bind one nucleotide. ZFP can use SEER-Lac system for colorimetric detection, while TALE proteins can use fluorescence labeling with Alexa for detection of binding to …
Synthesis And Characterization Of Degradable Polymers, Christopher Collins
Synthesis And Characterization Of Degradable Polymers, Christopher Collins
Mahurin Honors College Capstone Experience/Thesis Projects
A degradable polymer with proposed applications in drug delivery was synthesized and characterized. This polymer was grown from a difunctional initiator, a "core" that is able to grow two polymer chains and able to degrade in the presence of oxidizing agents such as peroxides. During the first part of this project, poly(methyl methacrylate) was synthesized via atom transfer radical polymerization using commercially-available reagents in order to develop an optimal synthesis technique. This technique was then used to synthesize the degradable polymer. After introducing hydrogen peroxide, the molecular weight of the degradable polymer decreased in two different experiments, confirming its hypothesized …
Quantification Of Tylosin Antibiotics In Cattle Waste, Appala Keerthi
Quantification Of Tylosin Antibiotics In Cattle Waste, Appala Keerthi
Masters Theses & Specialist Projects
Antibiotics are used as prophylactic agents to promote growth and for treating infections in animals. However, the irrational use of antibiotics in livestock management is a significant cause of the development of antibioticresistant genes in the environment. Each year 2 million people suffer from the infections caused by bacteria which are resistant to antibiotics and 23,000 of these people are estimated to die because of antibiotic resistance. New drugs are continually coming into the market but are at the risk of developing resistance. Thus, there is a need for the development of analytical methods which can be used to monitor …
Ua84 Sigma Chi, Wku Archives
Ua84 Sigma Chi, Wku Archives
WKU Archives Collection Inventories
Records created by and about the WKU chapter of Sigma Xi.
Ua66/7/2 Ogden College Of Science & Engineering Chemistry Publications, Wku Archives
Ua66/7/2 Ogden College Of Science & Engineering Chemistry Publications, Wku Archives
WKU Archives Collection Inventories
Publications created by and about the WKU Chemistry department.
Ua66/7/3 Ogden College Of Science & Engineering Chemistry Centers & Laboratories, Wku Archives
Ua66/7/3 Ogden College Of Science & Engineering Chemistry Centers & Laboratories, Wku Archives
WKU Archives Collection Inventories
Records created by and about Chemistry centers and laboratories.
Ua66/1/4 Ogden College Of Science & Engineering Dean's Office Student & Faculty Organizations, Wku Archives
Ua66/1/4 Ogden College Of Science & Engineering Dean's Office Student & Faculty Organizations, Wku Archives
WKU Archives Collection Inventories
Records created by and about student and faculty organizations in the Ogden College of Science & Engineering.
Ua66/7/1 Ogden College Of Science & Engineering Chemistry Administration, Wku Archives
Ua66/7/1 Ogden College Of Science & Engineering Chemistry Administration, Wku Archives
WKU Archives Collection Inventories
Records created by and about the Chemistry department.