The interaction of a guanidinium monolayer with ATP and AMP, as revealed by surface potential and UV absorption measurements

Darryl Y. Masayuki; Masayuki Yanagi; Kazue Kurihara; Toyoki Kunitake

doi:10.1016/0040-6090(92)90401-V

The interaction of a guanidinium monolayer with ATP and AMP, as revealed by surface potential and UV absorption measurements

Darryl Y. Masayuki, Masayuki Yanagi, Kazue Kurihara, Toyoki Kunitake

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

14 Citations (Scopus)

Abstract

A guanidinium functionalized monolayer has been observed to interact distinctly with small concentrations of AMP and ATP in the subphase. Specific binding ratios (1:1 and 1:3 for AMP and ATP, respectively) were found for wide ranges of the substrate concentration, as determined by ESCA analysis of transferred monolayers. The binding of AMP caused diminished ordering in the monolayer, whereas ATP binding improved the parallel orientation of the monolayer. A large change in the surface potential was induced by the interaction of ATP with the monolayer.

Original language	English
Pages (from-to)	776-779
Number of pages	4
Journal	Thin Solid Films
Volume	210-211
Issue number	PART 2
DOIs	https://doi.org/10.1016/0040-6090(92)90401-V
Publication status	Published - Apr 30 1992
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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AU - Masayuki, Darryl Y.

AU - Yanagi, Masayuki

AU - Kurihara, Kazue

AU - Kunitake, Toyoki

PY - 1992/4/30

Y1 - 1992/4/30

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AB - A guanidinium functionalized monolayer has been observed to interact distinctly with small concentrations of AMP and ATP in the subphase. Specific binding ratios (1:1 and 1:3 for AMP and ATP, respectively) were found for wide ranges of the substrate concentration, as determined by ESCA analysis of transferred monolayers. The binding of AMP caused diminished ordering in the monolayer, whereas ATP binding improved the parallel orientation of the monolayer. A large change in the surface potential was induced by the interaction of ATP with the monolayer.

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