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Full-Text Articles in Pharmacology, Toxicology and Environmental Health
Synthesis, Evaluation And Structural Studies Of Antiproliferative Tubulin-Targeting Azetidin-2-Ones, Niamh O'Boyle, Lisa M. Greene, Orla Bergin, Jean-Baptiste Fichet, Thomas Mccabe, David G. Lloyd, Daniela M. Zisterer, Mary J. Meegan
Synthesis, Evaluation And Structural Studies Of Antiproliferative Tubulin-Targeting Azetidin-2-Ones, Niamh O'Boyle, Lisa M. Greene, Orla Bergin, Jean-Baptiste Fichet, Thomas Mccabe, David G. Lloyd, Daniela M. Zisterer, Mary J. Meegan
Articles
A series of azetidin-2-ones substituted at positions 2, 3 and 4 of the azetidinone ring scaffold were synthesised and evaluated for antiproliferative, cytotoxic and tubulin binding activity. In these compounds, the cis double bond of the vascular targeting agent combretastatin A-4 is replaced with the azetidinone ring in order to enhance the antiproliferative effects displayed by combretastatin A-4 and prevent the cis/trans isomerization that is associated with inactivation of combretastatin A-4. The series of azetidinones was synthetically accessible via the Staudinger and Reformatsky reactions. Of a diverse range of heterocyclic derivatives, 3-(2-thienyl) analogue 28 and 3-(3-thienyl) analogue 29 displayed the …
Synthesis, Characterization And Manipulation Of Creighton Silver Nanoparticles For Future Cytotoxicity Studies, Sesha Lakshmi Paluri
Synthesis, Characterization And Manipulation Of Creighton Silver Nanoparticles For Future Cytotoxicity Studies, Sesha Lakshmi Paluri
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Nowadays, 24% of the nanomaterial-based consumer products contain silver nanoparticles (AgNPs) and exploit the well-known antimicrobial properties of silver. Although AgNPs have a wide range of biomedical research and industrial applications, very little is known about their toxicity. The main goal of this study is to synthesize, characterize and manipulate Creighton colloidal AgNPs for future cytotoxicity studies. These "naked" AgNPs were free from chemically aggressive capping/stabilizing agents, reaction byproducts or organic solvents. To achieve this goal, colloidal AgNPs were successfully: a) synthesized in large volumes (5L) using a slightly modified Creighton method by the reduction of silver nitrate with sodium …