Self-assembled monolayers on gold of β-cyclodextrin adsorbates with different anchoring groups

We designed multivalent β-cyclodextrin-based adsorbates bearing different anchoring groups aiming to yield stable monolayers with improved packing and close contact of the cavity to the gold surface. Toward this end the primary rim of the β-cyclodextrin was decorated with several functional groups,...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 30(2014), 12 vom: 01. Apr., Seite 3467-76
1. Verfasser: Méndez-Ardoy, Alejandro (VerfasserIn)
Weitere Verfasser: Steentjes, Tom, Kudernac, Tibor, Huskens, Jurriaan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a We designed multivalent β-cyclodextrin-based adsorbates bearing different anchoring groups aiming to yield stable monolayers with improved packing and close contact of the cavity to the gold surface. Toward this end the primary rim of the β-cyclodextrin was decorated with several functional groups, namely iodide, nitrile, amine, isothiocyanate, methyl sulfide, and isocyanide. Monolayers formed by these adsorbates were characterized by contact angle measurements, surface plasmon resonance spectroscopy, polarization modulation infrared reflection adsorption spectroscopy, X-ray photoelectron spectroscopy, and electrochemistry. The nature of the anchoring group influenced the adsorption kinetics, thickness, layer stability, number of anchoring groups bounded to the surface, and packing in the resulting monolayers. Therefore, chemical manipulation of multivalent adsorbates can be used to modify the properties of their monolayers 
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700 1 |a Steentjes, Tom  |e verfasserin  |4 aut 
700 1 |a Kudernac, Tibor  |e verfasserin  |4 aut 
700 1 |a Huskens, Jurriaan  |e verfasserin  |4 aut 
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