Microstructure of dispersed colloidal particles of a bilayer Cubic phase

Li Qiang Zheng, Jung Yoon Um, Hesson Chung, Ick Chan Kwon, Gan Zuo Li, Seo Young Jeong

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The microstructures of the interior phase of the cubic particles have been studied by dispersing the cubic phase formed by monoolein into different solvents. Steady-state fluorescence probe techniques have been utilized to study the micropolarity changes of the cubic particles in different solvents, and to obtain fluorescence quenching for lissamine rhodamine B incorporated into the cubic particles by diacyl phosphatidylethanolamine (NBD-PE) aqueous solution. It is found that the solvents inside and outside the cubic particles can be exchanged during the formation of the particles and the results of fluorescence quenching experiment also suggest that there might be two different water compartments extant inside the particles.

Original languageEnglish
Pages (from-to)123-128
Number of pages6
JournalJournal of Dispersion Science and Technology
Volume24
Issue number1
DOIs
Publication statusPublished - 2003 Jan

Keywords

  • Colloidal particles
  • Cubic phase
  • Drug delivery system

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Polymers and Plastics

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