Main > PHARMA. > Drug Delivery > Dendrimer NanoPolymer. > Org.: USA. U (Made In One Pot) > NPLS Contents

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Authors make the structures by copolymerizing ethylene and an a-olefin using a palladium-based chain walking catalyst, which introduces branching into mostly linear polymers via an isomerization mechanism. Ethylene polymerized at low pressures forms the dendritic hydrophobic core. And the a-olefin--an alkene with a poly(ethylene glycol) tail--forms the hydrophilic shell and gives the structure its water solubility. Spectroscopic studies confirm that the polymeric structures exist as individual molecular nanocarriers and behave as unimolecular micelles in water


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