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cyclohexadiene cycloadduct proved too stable, not showing any decomposition even at higher temperatures (85 °C), while the adduct with dimethylanthracene happened to decompose at room temperature. The study is being continued with 1,3,5,5-tetramethyl-1,3-cyclohexadiene as a diene model known to be active in retro-Diels-Alder reactions. 2:20 pm - Determining Retinoid Derivatives in Cosmetic Products By High-Performance Liquid Chromatography Analysis Alexia Ngin, Senior Capstone Seminar Photoaging is premature
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surround students with a community of support, empowering them to stay in school and achieve in life. HopesSparks Family ServicesAt HopeSparks, we envision a world where all children and families are safe, secure, and stable. Our mission is to strengthen families by inspiring courage and confidence to make a lasting change. HopeSparks programs serve children and families in Pierce County who face trauma, abuse, and overwhelming life challenges. Consejo Counseling and Referral ServicesConsejo is a
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and N,N-diakyl-N-hydroxyureas from O-phenyl-N-hydroxycarbamate allows for the production of mono- and di-substituted hydroxyureas in mild conditions. The starting material, O-phenyl-N-hydroxycarbamate, is stable in water, and does not require hydroxyl protection, both of which render it more versatile than other carbamate starting materials. Synthesis by this method has allowed for the successful production of hydroxyureas N-substituted with pyrrolidine, morpholine, diethylamine, methylamine and
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Environmental Research Cobaloximes have been studied for decades as model compounds for vitamin B12. More recently, the chemical behavior of cobaloximes in general has been the subject of focus. The chloro(pyridine)cobaloxime is very stable and can be used as a precursor to many other cobaloximes. Specifically, the reduction of chloro(pyridine)cobaloxime gives a very nucleophilic Co- ion, which can react to form new cobalt-carbon bonds. The cobalt-carbon bond can be broken either thermally or photolytically
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product, created inverse opal papers and nanofoams, as well as started to collect cyclic voltammetry measurements and impedance data to test our hypothesis. 3:20 pm - N-hydroxyureas: a Green and Convenient Synthesis Using S,S'-dimethyldithiocarbamate Erik Reierson, Senior Capstone Seminar Hydroxyureas have potential uses as more selective treatments for sickle cell anemia and cancer. A facile, high-yielding route to N-alkyl-N’-hydroxyureas has been optimized from the air- and water-stable phosgene
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incorporates the Old Testament, or the Hebrew Bible, as well as the New Testament, the stories of Jesus Christ and his followers, called disciples. Jesus Christ, according to the Holy Bible, was born in a stable below a bright star to the Virgin Mary, a major figure in a number of Christian denominations. He grew up, and began preaching radical kindness, even though his teachings disagreed with the Jewish authorities. He was ultimately betrayed by one of his disciples and put to death on a day that is
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microscopy and atomic force microscopy were used to study the topology of the lysozyme crystals. 4:40 pm - Synthesis and Decomposition Kinetics of Natural Product-Derived Hetero-Nitroso-Diels-Alder Cycloadducts Marisa Cufin, Senior Capstone Seminar In the presence of diene-containing natural products, substituted nitroso-hydroxyureas are oxidized via mild copper(II) catalytic aerobic conditions and are capable of undergoing hetero-Diels-Alder reactions to produce stable adducts. The thermal stability of
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nitroxyl (HNO) releasing agents which would allow for stable release of HNO. 3:30-3:40 - Break3:40 pm - Synthesis of a Morpholino Benzofulvene Derivative for Possible Use as a Thioredoxin Reductase 1 Inhibitor Kalie Saathoff, Capstone Senior Seminar Overexpression of thioredoxin reductase 1 (TrxR), an enzyme present in many organisms, has been linked to tumor formation. Computational modeling of this enzyme and its structure suggests that compounds with a benzofulvene core show high nanomolar binding
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, these metal nanoclusters have been getting more attention where gold nanoclusters have a stable base to be applied for practical applications. Silver nanoclusters, however mimic gold nanoclusters in terms of color, absorbance, and fluorescence. We follow a ligand exchange synthesis of [Ag25(SPhMe2)18]– where we see absorbance at 485 nm and fluorescence at 820 nm similar to the literature.2 From there we study the luminescence of [Ag25(SPhMe2)18]– with organic soluble thiols with 11-octadecanthiol
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state and national averages — is a direct result of Hewins’ stable leadership. He praised the superintendent’s focus on purposeful recruiting, thoughtful and rigorous professional development, social justice and equity, and more. “While a team effort certainly created the growth, Frank’s leadership set the vision and expectation for success,” Keim said. “That type of leadership is what the Superintendent of the Year award is designed to recognize.” Hewins has worked in Franklin Pierce Schools for
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