Pseudobilayer Vesicle Formation via Layer‐by‐Layer Assembly of Hydrophobically Modified Polymers on Sacrificial Substrates | Zendy

Khopade A. J. | Zendy; Möhwald H. | Zendy

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Pseudobilayer Vesicle Formation via Layer‐by‐Layer Assembly of Hydrophobically Modified Polymers on Sacrificial Substrates

Author(s) -

Khopade A. J.,

Möhwald H.

Publication year - 2005

Publication title -

advanced functional materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 6.069

H-Index - 322

eISSN - 1616-3028

pISSN - 1616-301X

DOI - 10.1002/adfm.200400500

Subject(s) - polyelectrolyte , materials science , bilayer , polymer , chemical engineering , vesicle , copolymer , substrate (aquarium) , layer (electronics) , layer by layer , polymer chemistry , colloid , membrane , nanotechnology , composite material , chemistry , biochemistry , oceanography , engineering , geology

A bilayer of a hydrophobically modified polyelectrolyte, octadecyl poly(acrylamide) (PAAm), sandwiched between the layers of a hydrophilic polyelectrolyte, poly(ethyleneimine) (PEI), is prepared by the sequential electrostatic–hydrophobic–electrostatic‐interaction‐driven self‐assembly on planar and colloid substrates. This process results in a PEI/[PAAm] 2 /PEI‐multilayer‐coated substrate. The removal of a PAA/PEI/[PAAm] 2 /PEI‐multilayer‐coated decomposable colloidal template produces hollow capsules. Irregular hydrophobic domains of the [PAAm] 2 bilayer in the PEI/[PAAm] 2 /PEI‐multilayer capsule are infiltrated with a lipid to obtain a uniform, distinct hydrophobic layer, imparting the capsule with a pseudobilayer vesicle structure.

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