Comparison of Zirconium Phosphonate-Modified Surfaces for Immobilizing Phosphopeptides and Phosphate-Tagged Proteins

Different routes for preparing zirconium phosphonate-modified surfaces for immobilizing biomolecular probes are compared. Two chemical-modification approaches were explored to form self-assembled monolayers on commercially available primary amine-functionalized slides, and the resulting surfaces wer...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 32(2016), 22 vom: 07. Juni, Seite 5480-90
1. Verfasser: Forato, Florian (VerfasserIn)
Weitere Verfasser: Liu, Hao, Benoit, Roland, Fayon, Franck, Charlier, Cathy, Fateh, Amina, Defontaine, Alain, Tellier, Charles, Talham, Daniel R, Queffélec, Clémence, Bujoli, Bruno
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Comparative Study Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Archaeal Proteins DNA-Binding Proteins Organophosphonates Phosphopeptides Phosphoproteins Sac7 protein, Sulfolobus mehr... 169149-38-6 Zirconium C6V6S92N3C
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520 |a Different routes for preparing zirconium phosphonate-modified surfaces for immobilizing biomolecular probes are compared. Two chemical-modification approaches were explored to form self-assembled monolayers on commercially available primary amine-functionalized slides, and the resulting surfaces were compared to well-characterized zirconium phosphonate monolayer-modified supports prepared using Langmuir-Blodgett methods. When using POCl3 as the amine phosphorylating agent followed by treatment with zirconyl chloride, the result was not a zirconium-phosphonate monolayer, as commonly assumed in the literature, but rather the process gives adsorbed zirconium oxide/hydroxide species and to a lower extent adsorbed zirconium phosphate and/or phosphonate. Reactions giving rise to these products were modeled in homogeneous-phase studies. Nevertheless, each of the three modified surfaces effectively immobilized phosphopeptides and phosphopeptide tags fused to an affinity protein. Unexpectedly, the zirconium oxide/hydroxide modified surface, formed by treating the amine-coated slides with POCl3/Zr(4+), afforded better immobilization of the peptides and proteins and efficient capture of their targets 
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650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
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650 7 |a Organophosphonates  |2 NLM 
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650 7 |a Phosphoproteins  |2 NLM 
650 7 |a Sac7 protein, Sulfolobus  |2 NLM 
650 7 |a 169149-38-6  |2 NLM 
650 7 |a Zirconium  |2 NLM 
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700 1 |a Liu, Hao  |e verfasserin  |4 aut 
700 1 |a Benoit, Roland  |e verfasserin  |4 aut 
700 1 |a Fayon, Franck  |e verfasserin  |4 aut 
700 1 |a Charlier, Cathy  |e verfasserin  |4 aut 
700 1 |a Fateh, Amina  |e verfasserin  |4 aut 
700 1 |a Defontaine, Alain  |e verfasserin  |4 aut 
700 1 |a Tellier, Charles  |e verfasserin  |4 aut 
700 1 |a Talham, Daniel R  |e verfasserin  |4 aut 
700 1 |a Queffélec, Clémence  |e verfasserin  |4 aut 
700 1 |a Bujoli, Bruno  |e verfasserin  |4 aut 
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