Self-assembly of meso-tetrakis(4-N-ethylpyridiniurmyl) porphyrin and tetracarboxyl-phenyl calix[4]arene

Yingli Wei, Xiliang Guo, Shaomin Shuang, Chuan Dong, Xiaohua Sun, Ricky M S WONG*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

10 Citations (Scopus)

Abstract

Novel dimeric capsules are generated from the noncovalent assembly of 5, 10, 15, 20-tetrakis(4-N-ethylpyridiniurmyl)prophyrin (TEPyP) and tetracarboxyl-phenyl calix[4]arene. The self-assembly system was investigated based on UV-Vis absorption and fluorescent spectra. The factors affecting the interaction process including pH and concentration were examined in detail. The association constants between TEPyP and calix[4]arene were determined by the nonlinear least squares fit. The results showed that the basic medium is favourable to the interaction and electrostatic interaction was determinate in the processes of self-assembly process. The related mechanism was discussed.

Original languageEnglish
Pages (from-to)190-194
Number of pages5
JournalJournal of Photochemistry and Photobiology B: Biology
Volume81
Issue number3
DOIs
Publication statusPublished - 1 Dec 2005

Scopus Subject Areas

  • Radiation
  • Radiological and Ultrasound Technology
  • Biophysics
  • Radiology Nuclear Medicine and imaging

User-Defined Keywords

  • Fluorescence
  • Meso-Tetrakis(4-N-ethylpyridiniurmyl)prophyrin
  • Self-assembly
  • Tetracarboxyl-phenyl calix[4]arene

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