Chemistry Commons^™

Literature Search On Using Dendrimer Nanoparticles As Drug Delivery Vehicles, Sivateja Kasaraneni

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The architectural design of dendrimers, multivalency, well-defined molecular weight and higher degree of branching differentiates them as unique and excellent nanocarriers in therapeutic applications such as drug delivery, gene transfection, tumor therapy, imaging and diagnostics. Nanoparticle drug-delivery systems are well known to increase the stability and selectivity of therapeutic agents. However immunogenicity, reticuloendothelial system uptake, drug leakage, cytotoxicity, hemolytic toxicity, poor aqueous solubility restrict the use of these drug delivery systems. These defects are overcame by surface engineering of the dendrimer molecule.

Drug molecule can be efficiently conjugated or encapsulated into the interior of the dendrimer or physically adsorbed onto …

Nih Shift Literature Search, Nicole Owens

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The NIH shift is a chemical shift of substituents in aromatic hydroxylation reactions. The substituents that undergo this shift are hydrogen, halogens, acyl and alkyl groups. It is an important aspect that is a requirement in the hydroxylation of aromatic compounds by monooxygenase enzymes.

The NIH shift or the National Institute of health shift gets its name from the founders of this mechanism. The National Institute of Health was the first to observe this phenomenon in there studies and are the first to report this chemical shift.

Folate Nanoparticle Conjugates, Safwat A. Masood

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The folate receptor is overexpressed on the surface of numerous cancer cell types including those of the breast, lung, kidney, ovary, and brain. Recent interest has exploded in the use of folate to deliver payloads and imaging agents to folate receptor positive cancer cells based on several positive clinical trials including phase III trials of EC-145, which is poised to become the first folate targeted, FDA approved drug. Given the success of EC-145 and numerous other agents in the pharmaceutical pipeline, there remains a great interest in the exploitation of this technology in the delivery of nanoscale agents to folate …