Two-dimensional nucleobase self-organization supported by base-pairing and stacking at the air-water interface

Mitsuhiko Morisue; Kuniharu Ijiro; Masatsugu Shimomura

doi:10.1080/10587250108024764

Two-dimensional nucleobase self-organization supported by base-pairing and stacking at the air-water interface

Mitsuhiko Morisue, Kuniharu Ijiro, Masatsugu Shimomura

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Octadecyl substituted amphiphiles of the four nucleobases, adenine, cytosine, guaine, and thymine (C₁₈-Ade, C₁₈-Cyt, C₁₈-Gua, and C₁₈-Thy, respectively), were prepared. Binary mixtures of these amphiphiles were spread on water surface as monolayer assemblies. Pressure-area isotherms of all pairwise combination of the nucleobase amphiphiles indicate that the Watson-Crick type base-pairings and base-stacking can stabilize monolayers at the air-water interface. Unexpected stabilization was observed in the combination of C₁₈-Gua and C₁₈-Thy, which resembles a "wobble" pair in RNA. Langmuir-Blodgett films were prepared on gold substrates for FT-IR measurement of the complementary hydrogen bonding between the nucleobase amphiphiles.

Original language	English
Pages (from-to)	379-382
Number of pages	4
Journal	Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume	371
DOIs	https://doi.org/10.1080/10587250108024764
Publication status	Published - 2001 Jan 1

Keywords

"Wobble" base-pair
Hydrogen bond, base-stacking
Molecular recognition
Monolayer
Watson-Crick type base-pair

ASJC Scopus subject areas

Condensed Matter Physics

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Two-dimensional nucleobase self-organization supported by base-pairing and stacking at the air-water interface. / Morisue, Mitsuhiko; Ijiro, Kuniharu; Shimomura, Masatsugu.

In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, Vol. 371, 01.01.2001, p. 379-382.

Research output: Contribution to journal › Article › peer-review

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N2 - Octadecyl substituted amphiphiles of the four nucleobases, adenine, cytosine, guaine, and thymine (C18-Ade, C18-Cyt, C18-Gua, and C18-Thy, respectively), were prepared. Binary mixtures of these amphiphiles were spread on water surface as monolayer assemblies. Pressure-area isotherms of all pairwise combination of the nucleobase amphiphiles indicate that the Watson-Crick type base-pairings and base-stacking can stabilize monolayers at the air-water interface. Unexpected stabilization was observed in the combination of C18-Gua and C18-Thy, which resembles a "wobble" pair in RNA. Langmuir-Blodgett films were prepared on gold substrates for FT-IR measurement of the complementary hydrogen bonding between the nucleobase amphiphiles.

AB - Octadecyl substituted amphiphiles of the four nucleobases, adenine, cytosine, guaine, and thymine (C18-Ade, C18-Cyt, C18-Gua, and C18-Thy, respectively), were prepared. Binary mixtures of these amphiphiles were spread on water surface as monolayer assemblies. Pressure-area isotherms of all pairwise combination of the nucleobase amphiphiles indicate that the Watson-Crick type base-pairings and base-stacking can stabilize monolayers at the air-water interface. Unexpected stabilization was observed in the combination of C18-Gua and C18-Thy, which resembles a "wobble" pair in RNA. Langmuir-Blodgett films were prepared on gold substrates for FT-IR measurement of the complementary hydrogen bonding between the nucleobase amphiphiles.

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KW - Molecular recognition

KW - Monolayer

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Two-dimensional nucleobase self-organization supported by base-pairing and stacking at the air-water interface

Abstract

Keywords

ASJC Scopus subject areas

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