Antifouling Stripes Prepared from Clickable Zwitterionic Copolymers

In this study, we have fabricated robust patterned surfaces that contain biocompatible and antifouling stripes, which cause microorganisms to consolidate into bare silicon spaces. Copolymers of methacryloyloxyethyl phosphorylcholine (MPC) and a methacrylate-substituted dihydrolipoic acid (DHLA) were...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 33(2017), 28 vom: 18. Juli, Seite 7028-7035
1. Verfasser: Sae-Ung, Pornpen (VerfasserIn)
Weitere Verfasser: Kolewe, Kristopher W, Bai, Ying, Rice, Eric W, Schiffman, Jessica D, Emrick, Todd, Hoven, Voravee P
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Ions Methacrylates Polymers Phosphorylcholine 107-73-3
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520 |a In this study, we have fabricated robust patterned surfaces that contain biocompatible and antifouling stripes, which cause microorganisms to consolidate into bare silicon spaces. Copolymers of methacryloyloxyethyl phosphorylcholine (MPC) and a methacrylate-substituted dihydrolipoic acid (DHLA) were spin-coated onto silicon substrates. The MPC units contributed biocompatibility and antifouling properties, and the DHLA units enabled cross-linking and the formation of robust thin films. Photolithography enabled the formation of 200-μm-wide poly(MPC-DHLA) stripped patterns that were characterized using atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS), and rhodamine 6G staining. Regardless of the spacing between poly(MPC-DHLA) stripes (10, 50, or 100 μm), Escherichia coli rapidly adhered to the bare silicon gaps that lacked the copolymer, confirming the antifouling nature of MPC. Overall, this work provides a surface modification strategy for generating alternating biofouling and nonfouling surface structures that are potentially applicable for researchers studying cell biology, drug screening, and biosensor technology 
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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 Methacrylates  |2 NLM 
650 7 |a Polymers  |2 NLM 
650 7 |a Phosphorylcholine  |2 NLM 
650 7 |a 107-73-3  |2 NLM 
700 1 |a Kolewe, Kristopher W  |e verfasserin  |4 aut 
700 1 |a Bai, Ying  |e verfasserin  |4 aut 
700 1 |a Rice, Eric W  |e verfasserin  |4 aut 
700 1 |a Schiffman, Jessica D  |e verfasserin  |4 aut 
700 1 |a Emrick, Todd  |e verfasserin  |4 aut 
700 1 |a Hoven, Voravee P  |e verfasserin  |4 aut 
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