Journal
LANGMUIR
Volume 25, Issue 3, Pages 1744-1749Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la8032308
Keywords
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Funding
- EPSRC [GR/T11555/01]
- Marie Curie Research Fellowship
- EPSRC/Faraday Partnership-Unipath Ltd.
- Centro Interdisciplinario de Nanociencia y Nanotecnologia (CINN) (ANPCyT, Argentina)
- Engineering and Physical Sciences Research Council [GR/T11555/01] Funding Source: researchfish
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The use of photolabile protecting groups (PGs) as a means to create latent hydrophilic surfaces is presented. Naturally hydrophobic PGs, based on o-nitrobenzyl chemistry, are used on polymer side chains, poised for cleavage upon exposure to UV light. Removal of the PGs liberates the hydrophilic polymer, thereby switching the surface wettability from hydrophobic to hydrophilic. This switch can be augmented by increasing the surface roughness. Additionally, this system is also shown to be spatially addressable, a highly desirable property for applications which require specific regions of a surface to switch their wettability.
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