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An Aqueous-Based Surface Modification of Poly(dimethylsiloxane) with Poly(ethylene glycol) to Prevent Biofouling
Abstract
We report a simple modification of poly(dimethylsiloxane) (PDMS) surfaces with poly(ethylene glycol) (PEG) through the adsorption of a graft copolymer, poly(l-lysine)-graft-poly(ethylene glycol) (PLL-g-PEG) from aqueous solution. In this approach, the PDMS surface was treated with oxygen plasma, followed by immersion into aqueous solution containing PLL-g-PEG copolymers. Due to the hydroxyl/carboxylic groups generated on the PDMS surface after oxygen plasma, the polycationic PLL backbone is attracted to the negatively charged surface and PEG side chains exhibit an extended structure. The PEG/aqueous interface generated in this way revealed a near-perfect resistance to nonspecific protein adsorption as monitored by means of optical waveguide lightmode spectroscopy (OWLS) and fluorescence microscopy.
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Cited by
Barbey, R., Lavanant, L., Paripovic, D., Schüwer, N., Sugnaux, C., Tugulu, S., & Klok, H.-A. (2009) · Chemical Reviews · doi:10.1021/cr900045a · Cited by 1,753
Biocompatible polymer materials: Role of protein–surface interactions
Chen, H., Yuan, L., Song, W., Wu, Z., & Li, D. (2008) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2008.07.006 · Cited by 706
Bodas, D., & Khan-Malek, C. (2007) · Sensors and Actuators B: Chemical · doi:10.1016/j.snb.2006.08.037 · Cited by 600
Wong, I., & Ho, C.-M. (2009) · Microfluidics and Nanofluidics · doi:10.1007/s10404-009-0443-4 · Cited by 531
Surface chemistry to minimize fouling from blood-based fluids
Blaszykowski, C., Sheikh, S., & Thompson, M. (2012) · Chemical Society Reviews · doi:10.1039/c2cs35170f · Cited by 271
Engineering biomaterials surfaces to modulate the host response
Yu, K., Mei, Y., Hadjesfandiari, N., & Kizhakkedathu, J. N. (2014) · Colloids and Surfaces B: Biointerfaces · doi:10.1016/j.colsurfb.2014.08.009 · Cited by 58
Metadata
- Authors
- Lee, S., & Vörös, J.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-11-04
- Volume
- 21
- Issue
- 25
- Pages
- 11957-11962
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2053064509
- Cited by
- 162
- References
- 0
- FWCI
- 5.06
- Type
- journal article
- Language
- en
- Open access
- closed
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