Phase transitions and collective chain dynamics in a model biomembrane C10H21NH3Cl

Cheol Eui Lee, K. W. Lee, C. H. Lee, D. K. Oh

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Proton nuclear magnetic resonance (NMR) was employed to investigate the nature of the phase transitions and collective chain dynamics in a model biomembrane C10H21NH3Cl undergoing an irreversible structural change. The phase transitions were manifest in the second moment and laboratory frame spin-lattice relaxation rate measurements, with a hysteresis upon heating and cooling. The dimensionality and its crossover were explicitly confirmed as well. In addition, the rotating frame spin-lattice relaxation measurements revealed a low-frequency critical collective chain dynamics in the kHz regime, which is associated with the interdigitated to noninterdigitated chain configurational phase transition.

Original languageEnglish
Pages (from-to)S1182-S1186
JournalJournal of the Korean Physical Society
Volume42
Issue numberSUPPL.
Publication statusPublished - 2003 Apr

Keywords

  • Collective chain dynamics
  • Model biomembrane
  • NMR
  • Phase transitions

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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