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Ionic referencing in surface plasmon microscopy: visualization of the difference in surface properties of patterned monomolecular layers

  • An approach for visualization of patterned monomolecular layers in surface plasmon microscopy (SPM) is suggested. The development of hidden image in SPM is achieved by referencing of images obtained in the presence of electrolytes with a high molar refraction of either anions or cations. A formation of diffuse layer near the charged surface areas leads to the redistribution of ions. The ratio of SPM images allows one to visualize this redistribution and to distinguish surface areas with different properties. The approach is unobtrusive and robust; it can be used with most SPR imaging instruments.

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Author: Shavkat NizamovORCiD, Vitali ScherbahnORCiD, Vladimir M. MirskyORCiDGND
DOI:https://doi.org/10.1021/acs.analchem.7b00251
ISSN:0003-2700
ISSN:1520-6882
Title of the source (English):Analytical Chemistry
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2017
Volume/Year:89
Issue number:7
First Page:3873
Last Page:3878
Faculty/Chair:Fakultät 2 Umwelt und Naturwissenschaften / FG Nanobiotechnologie
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