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80. 


Photolabile carboxylic acid protected terpolymers for Surface Patterning. Part 2: Photocleavage and Film Patterning



M. Millaruelo, L.M. Eng, M. Mertig, B. Pilch, U. Oertel, J. Opitz, B. Sieczkowska, F. Simon, B. Voit

Langmuir 22, 9446 (2006)

The surface properties of films made of p-methoxyphenacyl derivative terpolymers, associated with photocleavage by UV irradiation, and their optical patterning are investigated. The deprotection reaction has been monitored by UV and FTIR spectroscopy, contact angle measurements, and X-ray photoelectron spectroscopy, revealing the photoremoval of the protecting p-methoxyphenacyl group in high yields under mild conditions. Parallel and serial patterning of the films has been performed by selective irradiation through optical masks and by laser irradiation via fiber tips of a scanning near-field optical microscope, respectively. By irradiation of photolabile protected functional groups, free carboxylic groups become exposed to the surface with which fluorescent dyes and proteins can be associated specifically.



doi absolute link10.1021/la060027h
online abstract at the publisher site
publisher site (ISSN:1520-5827)
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