Unimolecular Amphiphilic Nanocontainers Based on Dendronized Linear Polymers

Linear polymeric core, polyethylenimine (PEI), is successfully dendronized divergently using different‐generation polyamidoamine (PAMAM)‐type dendrons. The formed dendronized polymers are further end‐capped using long alkyl acrylate, hexyl acrylate, to give macromolecular amphiphiles, which perform...

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Veröffentlicht in:Macromolecular rapid communications. 2006-04, Vol.27 (8), p.626-630
Hauptverfasser: Zhang, Zhong-Biao, Teng, Yu-Han, Freas, William, Mohanty, Dillip K.
Format: Artikel
Sprache:eng
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Zusammenfassung:Linear polymeric core, polyethylenimine (PEI), is successfully dendronized divergently using different‐generation polyamidoamine (PAMAM)‐type dendrons. The formed dendronized polymers are further end‐capped using long alkyl acrylate, hexyl acrylate, to give macromolecular amphiphiles, which perform as unimolecular nanocontainers, capable of encapsulating water‐soluble dye in their interiors. The encapsulation properties are found to be generation‐dependent, in which, at higher generations of nanocontainers, the cavity becomes more localized, due to dense packing of the dendrons at their termini. Dendronization of a linear polymeric core followed by capping with hydrophobic arms.
ISSN:1022-1336
1521-3927
DOI:10.1002/marc.200500843