Pickering-type water-in-oil-in-water multiple emulsions toward multihollow nanocomposite microspheres

Hayata Maeda, Masahiro Okada, Syuji Fujii, Yoshinobu Nakamura, Tsutomu Furuzono

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)

Abstract

Multihollow hydroxyapatite (HAp)/poly(L-lactic acid) (PLLA) nanocomposite microspheres were readily fabricated by solvent evaporation from a "Pickering-type" water-in-(dichloromethane solution of PLLA)-in-water multiple emulsion stabilized with HAp nanoparticles. The multiple emulsion was stabilized with the aid of PLLA molecules used as a wettability modifier for HAp nanoparticles, although HAp nanoparticles did not work solely as particulate emulsifiers for Pickering-type emulsions consisting of pure dichloromethane and water. The interaction between PLLA and HAp nanoparticles at the oil-water interfaces plays a crucial role toward the preparation of stable multiple emulsion and multihollow microspheres.

Original languageEnglish
Pages (from-to)13727-13731
Number of pages5
JournalLangmuir
Volume26
Issue number17
DOIs
Publication statusPublished - Sep 7 2010
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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