Growth of polymer brushes by atom transfer radical polymerization on glassy carbon modified by electro-grafted initiators based on aryl diazonium salts
| Autor: | Tarik Matrab, J. Pinson, Teresa Basinska, Stanislaw Slomkowski, Mohamed M. Chehimi |
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| Rok vydání: | 2006 |
| Předmět: |
chemistry.chemical_classification
Atom-transfer radical-polymerization Surfaces and Interfaces General Chemistry Polymer Glassy carbon Condensed Matter Physics Surfaces Coatings and Films chemistry.chemical_compound Monomer chemistry Polymerization Polymer chemistry Materials Chemistry Polystyrene Methyl methacrylate Protein adsorption |
| Zdroj: | Surface and Interface Analysis. 38:565-568 |
| ISSN: | 1096-9918 0142-2421 |
| DOI: | 10.1002/sia.2194 |
| Popis: | Poly(methyl methacrylate), polystyrene, and polyglycidol brushes (PMMA, PS and PGL, respectively) were grown on glassy carbon (GC) plates that were modified by the electrochemical reduction of the diazonium salt BF 4 - , + N 2 -C 6 H 4 -CH(CH 3 )-Br. The grafted -C 6 H 4 -CH(CH 3 )-Br species were effective in surface-initiating atom transfer radical polymerization (SI-ATRP) of the vinyl monomers. The structure of the polymer brushes was characterized by XPS. Static contact angles of water drops on PS, PGL and PMMA brushes were 89.5 ± 2.0, 75.1 ± 7.0 and 83.5 ± 1.4°, respectively. The polymer brushes were further evaluated as adsorbents of human serum albumin (HSA). Protein adsorption decreased in the order PS > PGL ∼ PMMA. This highlights the resistance of PGL to protein adsorption. |
| Databáze: | OpenAIRE |
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