Adsorption/desorption of mono- and diblock copolymers on surfaces using specific hydrogen bonding interactions

Diblock copolymers containing recognition units designed to participate in specific three-point hydrogen bonding were adsorbed onto modified gold surfaces. Self-assembled monolayers (SAMs) containing complementary recognition units were used to direct the adsorption process. The polymer-modified sur...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 20(2004), 14 vom: 06. Juli, Seite 5958-64
1. Verfasser: Sanyal, Amitav (VerfasserIn)
Weitere Verfasser: Norsten, Tyler B, Uzun, Oktay, Rotello, Vincent M
Format: Aufsatz
Sprache:English
Veröffentlicht: 2004
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Membranes, Artificial Polymers Polystyrenes Pyridines Solvents Quartz 14808-60-7 Gold mehr... 7440-57-5 Thymine QR26YLT7LT
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245 1 0 |a Adsorption/desorption of mono- and diblock copolymers on surfaces using specific hydrogen bonding interactions 
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520 |a Diblock copolymers containing recognition units designed to participate in specific three-point hydrogen bonding were adsorbed onto modified gold surfaces. Self-assembled monolayers (SAMs) containing complementary recognition units were used to direct the adsorption process. The polymer-modified surfaces obtained were characterized using X-ray photoelectron spectroscopy, water contact angle, and ellipsometry. The role of individual block lengths on the adsorption process was followed by observing frequency changes of thymine-SAM-modified quartz crystal microbalance chips during adsorption of diamidopyridine-functionalized polymers from a nonpolar solvent. The renewable nature of these recognition unit functionalized surfaces was demonstrated by reversible binding of polymers. Adsorption onto fresh surfaces, followed by desorption and subsequent readsorption of monoblock and diblock copolymers was also investigated 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Norsten, Tyler B  |e verfasserin  |4 aut 
700 1 |a Uzun, Oktay  |e verfasserin  |4 aut 
700 1 |a Rotello, Vincent M  |e verfasserin  |4 aut 
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