Molecular recognition between 2,4,6-triaminopyrimidine lipid monolayers and complementary barbituric molecules at the air/water interface: Effects of hydrophilic spacer, ionic strength, and pH

V. Marchi-Artzner, F. Artzner, O. Karthaus, M. Shimomura, K. Ariga, T. Kunitake, J. M. Lehn

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

Previously it was shown that molecular recognition occurs between complementary vesicles containing either a lipid with a 2,4,6-triaminopyrimidine (TAP) or with a barbituric acid (BAR) head group separated from the alkyl chains by an tetraoxyethylenic spacer. In view of better understanding the nature of the interaction, Langmuir monolayers and LB films of these complementary lipids are investigated. The selective binding of the TAP-Lipid with various barbituric acids is studied by π/A isotherms, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, atomic force microscopy, and fluorescence microscopy. The effects of the subphase pH and ionic strength on this molecular recognition point out an electrostatic contribution due to the acido-basic properties of TAP and BAR in addition to an hydrogen bonding interaction. The comparison with a melamine compound (diC12mela) shows that this recognition is still efficient in the presence of the tetraoxyethylenic spacer.

Original languageEnglish
Pages (from-to)5164-5171
Number of pages8
JournalLangmuir
Volume14
Issue number18
Publication statusPublished - Sep 1 1998
Externally publishedYes

Fingerprint

Molecular recognition
Ionic strength
spacers
Lipids
lipids
Monolayers
acids
Molecules
Acids
Water
air
Air
water
molecules
melamine
Melamine
monomolecular films
Langmuir Blodgett films
Fluorescence microscopy
Fourier transform infrared spectroscopy

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

Cite this

Molecular recognition between 2,4,6-triaminopyrimidine lipid monolayers and complementary barbituric molecules at the air/water interface : Effects of hydrophilic spacer, ionic strength, and pH. / Marchi-Artzner, V.; Artzner, F.; Karthaus, O.; Shimomura, M.; Ariga, K.; Kunitake, T.; Lehn, J. M.

In: Langmuir, Vol. 14, No. 18, 01.09.1998, p. 5164-5171.

Research output: Contribution to journalArticle

Marchi-Artzner, V, Artzner, F, Karthaus, O, Shimomura, M, Ariga, K, Kunitake, T & Lehn, JM 1998, 'Molecular recognition between 2,4,6-triaminopyrimidine lipid monolayers and complementary barbituric molecules at the air/water interface: Effects of hydrophilic spacer, ionic strength, and pH', Langmuir, vol. 14, no. 18, pp. 5164-5171.
Marchi-Artzner, V. ; Artzner, F. ; Karthaus, O. ; Shimomura, M. ; Ariga, K. ; Kunitake, T. ; Lehn, J. M. / Molecular recognition between 2,4,6-triaminopyrimidine lipid monolayers and complementary barbituric molecules at the air/water interface : Effects of hydrophilic spacer, ionic strength, and pH. In: Langmuir. 1998 ; Vol. 14, No. 18. pp. 5164-5171.
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AU - Lehn, J. M.

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