Effect of precursor chain-length on the formation and stability of poly(ethylene glycol)-based supramolecular star polymers

Ikhlas Gadwal, Swati De, Mihaiela C. Stuparu, Se Gyu Jang, Roey J. Amir, Anzar Khan

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A homologous series of guanosine end-functionalized poly(ethylene glycol)s have been prepared, and their assembly-disassembly behavior in the presence of potassium cations has been systematically examined upon changing the concentration, temperature, nature of solvent, amount of cation, and type of anion using 1H-NMR, UV/Vis, and circular dichroism spectroscopy. The results revealed a strong dependence of the assembly formation, and the stability of the formed supramolecular ensemble on the chain-length of the assembly precursor.

Original languageEnglish
Pages (from-to)2415-2420
Number of pages6
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume50
Issue number12
DOIs
Publication statusPublished - 2012 Jun 15

Keywords

  • G-quadruplexes
  • guanosine assembly
  • star polymers
  • structure-property relations
  • supramolecular structures

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

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