Multimeric grain-marked micelles for highly efficient photodynamic therapy and magnetic resonance imaging of tumors

Ung Yeol Lee, Young Taik Oh, Dongin Kim, Eun Seong Lee

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Multimeric grain-marked micelles consisting of an inner core micelle (for Fe3O4 encapsulation) and outer multi-grain micelles (for chlorin e6 (Ce6, a model drug) encapsulation) were fabricated using a micelle-to-micelle conjugation method. Grain micelles (mono-thiol functionalized micelles) were chemically linked to the surface of the core micelle (multi-maleimide functionalized micelle). These micelles enable discrete compartments for Ce6 and iron oxide (Fe3O4) that enable a significantly increased in vivo photodynamic tumor inhibition while preserving high contrast magnetic resonance (MR) imaging of the tumor in vivo.

Original languageEnglish
Pages (from-to)166-172
Number of pages7
JournalInternational Journal of Pharmaceutics
Volume471
Issue number1-2
DOIs
StatePublished - 25 Aug 2014

Bibliographical note

Funding Information:
This work was financially supported by a grant of the Korean Health Technology R&D Project, Ministry of Health & Welfare (No. A111291 ).

Keywords

  • Chlorin e6 (Ce6)
  • Grain-marked micelles
  • Magnetic resonance imaging
  • Multimeric micelles
  • Photodynamic therapy

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