Nanostructures formed by self-assembly of negatively charged polymer and cationic surfactants

G. Nizri; A. Makarsky; S. Magdassi; Y. Talmon

doi:10.1021/la8031013

Nanostructures formed by self-assembly of negatively charged polymer and cationic surfactants

G. Nizri, A. Makarsky, S. Magdassi^*, Y. Talmon

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

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Abstract

The formation of nanoparticles by interaction of an anionic polyelectrolyte, sodium polyacrylate (NaPA), was studied with a series of oppositely charged surfactants with different chain lengths, alkyltrimethylammonium bromide (C_nTAB). The binding and formation of nanoparticles was characterized by dynamic light scattering, ξ-potential, and self-diffusion NMR. The inner nanostructure of the particles was observed by direct-imaging cryogenic-temperature transmission electron microscopy (cryo-TEM), indicating aggregates of hexagonal liquid crystal with nanometric size.

Original language	English
Pages (from-to)	1980-1985
Number of pages	6
Journal	Langmuir
Volume	25
Issue number	4
DOIs	https://doi.org/10.1021/la8031013
State	Published - 17 Feb 2009

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abstract = "The formation of nanoparticles by interaction of an anionic polyelectrolyte, sodium polyacrylate (NaPA), was studied with a series of oppositely charged surfactants with different chain lengths, alkyltrimethylammonium bromide (CnTAB). The binding and formation of nanoparticles was characterized by dynamic light scattering, ξ-potential, and self-diffusion NMR. The inner nanostructure of the particles was observed by direct-imaging cryogenic-temperature transmission electron microscopy (cryo-TEM), indicating aggregates of hexagonal liquid crystal with nanometric size.",

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N2 - The formation of nanoparticles by interaction of an anionic polyelectrolyte, sodium polyacrylate (NaPA), was studied with a series of oppositely charged surfactants with different chain lengths, alkyltrimethylammonium bromide (CnTAB). The binding and formation of nanoparticles was characterized by dynamic light scattering, ξ-potential, and self-diffusion NMR. The inner nanostructure of the particles was observed by direct-imaging cryogenic-temperature transmission electron microscopy (cryo-TEM), indicating aggregates of hexagonal liquid crystal with nanometric size.

AB - The formation of nanoparticles by interaction of an anionic polyelectrolyte, sodium polyacrylate (NaPA), was studied with a series of oppositely charged surfactants with different chain lengths, alkyltrimethylammonium bromide (CnTAB). The binding and formation of nanoparticles was characterized by dynamic light scattering, ξ-potential, and self-diffusion NMR. The inner nanostructure of the particles was observed by direct-imaging cryogenic-temperature transmission electron microscopy (cryo-TEM), indicating aggregates of hexagonal liquid crystal with nanometric size.

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Nanostructures formed by self-assembly of negatively charged polymer and cationic surfactants

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