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Medicinal-Pharmaceutical Chemistry Commons™
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Articles 31 - 36 of 36
Full-Text Articles in Medicinal-Pharmaceutical Chemistry
Detection Of Cathinone And Mephedrone In Plasma By Lc-Ms/Ms Using Standard Addition Quantification Technique, Theron W. Ng-A-Qui
Detection Of Cathinone And Mephedrone In Plasma By Lc-Ms/Ms Using Standard Addition Quantification Technique, Theron W. Ng-A-Qui
Student Theses
Designer drugs are structural analogs of Drug Enforcement Agency (DEA) Schedule I and II substances. They are synthesized to mimic the effects of illegal drugs of abuse and to bypass the provisions of drug regulations. Despite the increased availability of designer drugs, few studies have focused on specific analytical extraction techniques for their detection and quantification in biological samples. Solid phase extraction (SPE) is the most commonly used technique for sample preparation. The purpose of this study is to evaluate the extraction efficiency of the various SPE columns with different sorbent materials for two designer drugs, cathinone and mephedrone in …
Ionophoric Polyphenols Selectively Bind Cu2+, Display Potent Antioxidant And Anti-Amyloidogenic Properties, And Are Non-Toxic Toward Tetrahymena Thermophila, Alberto Martinez, Ralph Alcendor, Tanzeen Rahman, Magdalena Podgorny, Ismaila Sanogo, Rebecca Mccurdy
Ionophoric Polyphenols Selectively Bind Cu2+, Display Potent Antioxidant And Anti-Amyloidogenic Properties, And Are Non-Toxic Toward Tetrahymena Thermophila, Alberto Martinez, Ralph Alcendor, Tanzeen Rahman, Magdalena Podgorny, Ismaila Sanogo, Rebecca Mccurdy
Publications and Research
Alzheimer’s disease (AD) is the most common form of dementia affecting more than 28 million people in the world. Only symptomatic treatments are currently available. Anticipated tri-fold increase of AD incidence in the next 50 years has established the need to explore new possible treatments. Accumulation of extracellular amyloid-b (Ab) plaques, intracellular tangles in the brain, and formation of reactive oxygen species (ROS) are the major hallmarks of the disease. The active role of some metal ions, especially Cu2+, in promoting both Ab aggregation and reactive oxygen species formation has rendered ionophoric drugs as a promising treatment strategy. …
The Synthesis Of Angucyclines Using An Intramolecular Bradsher Cycloaddition, Abdullah Allaoa, Tony E. Nicolas
The Synthesis Of Angucyclines Using An Intramolecular Bradsher Cycloaddition, Abdullah Allaoa, Tony E. Nicolas
Publications and Research
The Angucyclines are natural products which possess a broad spectrum of biological properties. Of particular interest are the natural products which contain the cis-hydroxyl motif at the AB ring junction. Their synthesis is particularly challenging. Our model study has resulted in the synthesis of a model of the angucyclines with the required cis-hydroxyl features. The present work will apply the previously developed chemistry to an intramolecular version which will lead to the synthesis of the ABC ring system
Synthesis Of Novel Aporphine-Inspired Neuroreceptor Ligands, Nirav R. Kapadia
Synthesis Of Novel Aporphine-Inspired Neuroreceptor Ligands, Nirav R. Kapadia
Dissertations, Theses, and Capstone Projects
Aporphines are a group of tetracyclic alkaloids that belong to the ubiquitous tetrahydroisoquinoline family. The aporphine template is known to be associated with a range of biological activities. Aporphines have been explored as antioxidants, anti-tuberculosis, antimicrobial and anticancer agents. Within the Central Nervous Systems (CNS), aporphine alkaloids are known to possess high affinity for several clinically valuable targets including dopamine receptors (predominantly D1 and D2), serotonin receptors (5-HT1A and 5-HT7) and α adrenergic receptors. Aporphines are also inhibitors of the acetylcholinesterase enzyme – a clinical target for the treatment of Alzheimer’s disease. Considering the …
Polycations Xxii. Ru(Bpy)2l2 And Ru(Phen)2l2 Systems With Cationic 4,4’-Bipyridine Ligands: Syntheses, Characteristics, And Interactions With Dna, Jasmine Hatcher, Freida Zavurov, Leslie Babukutty, Thomas Strekas, Robert Engel
Polycations Xxii. Ru(Bpy)2l2 And Ru(Phen)2l2 Systems With Cationic 4,4’-Bipyridine Ligands: Syntheses, Characteristics, And Interactions With Dna, Jasmine Hatcher, Freida Zavurov, Leslie Babukutty, Thomas Strekas, Robert Engel
Publications and Research
Earlier efforts have been concerned with the association of Ruthenium octahedral complexes with DNA. Since the positively charged ruthenium species has been found to associate with the electron rich major groove of double-stranded DNA, it was proposed the addition of cationic sites on the ligands attached to ruthenium would facilitate such association. Thus, we have synthesized several series of octahedral ruthenium complexes bearing ligands having within themselves cationic sites. These have been investigated in their interaction with calf thymus DNA using fluorescence titration analysis. The introduction of the cationic ligands has been found to exhibit enhanced association of the ruthenium …
Supercharging: An Investigation Into The Effects Of External Amino Acid Residue Charge On The Solubility And Internal Electric Character Of Bound Ligands In A Heme-Binding De Novo-Designed Protein, Cooper French
Dissertations and Theses
De novo protein design offers many interesting prospects both as a means to better understand natural protein dynamics and as a potential resource in biomedical and industrial applications. In this work I describe the modification of a simple, well-characterized heme-binding protein by altering side chain residue identities on the hydrophilic surface of the protein to produce variants with a range of net external charges. These charge modifications had a significant impact on nearly every measurable character of the protein. This work establishes the hard limits of supercharging within our experimental protein scaffold system, demonstrating that excessive positive charge increased the …