Unique effects of cyclodextrins on the formation and colorimetric transition of polydiacetylene vesicles

Jong Man Kim, Joo Seob Lee, Ji Seok Lee, Sang Yoon Woo, Dong June Ahn

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

The effects of cyclodextrins (CDs) on the formation and color changes of polymerized 10,12-pentacosadiynoic acid (PCDA) vesicles have been investigated. The strategy used in this study focuses on three different stages in which the CDs can play a role. Among the cyclodextrins investigated, α-CD had most prominent effect on the perturbation of the ordered structures of the PCDA vesicles. Solid precipitates, formed by the PCDA vesicles in the presence of α-CD were shown to be PCDA - α-CD inclusion complexes by using DSC, FTIR and 1H NMR analysis. The results of studies using 4-nitrophenol as an inhibitor and the consideration of inner and outer diameters of cyclodextrins have led to the conclusion that the color induced by the cyclodextrins is due to the formation of inclusion complexes with the polydiacetylene.

Original languageEnglish
Pages (from-to)2299-2306
Number of pages8
JournalMacromolecular Chemistry and Physics
Volume206
Issue number22
DOIs
Publication statusPublished - 2005 Nov 14

Fingerprint

Cyclodextrins
acids
inclusions
color
Acids
inhibitors
precipitates
Color
perturbation
nuclear magnetic resonance
polydiacetylene
Precipitates
Nuclear magnetic resonance

Keywords

  • Color transition
  • Cyclodextrin
  • Inclusion complex
  • Polydiacetylene
  • Vesicles

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry
  • Organic Chemistry
  • Physical and Theoretical Chemistry

Cite this

Unique effects of cyclodextrins on the formation and colorimetric transition of polydiacetylene vesicles. / Kim, Jong Man; Lee, Joo Seob; Lee, Ji Seok; Woo, Sang Yoon; Ahn, Dong June.

In: Macromolecular Chemistry and Physics, Vol. 206, No. 22, 14.11.2005, p. 2299-2306.

Research output: Contribution to journalArticle

Kim, Jong Man ; Lee, Joo Seob ; Lee, Ji Seok ; Woo, Sang Yoon ; Ahn, Dong June. / Unique effects of cyclodextrins on the formation and colorimetric transition of polydiacetylene vesicles. In: Macromolecular Chemistry and Physics. 2005 ; Vol. 206, No. 22. pp. 2299-2306.
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