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Aminosilane micropatterns on hydroxyl-terminated substrates : fabrication and applications

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Aminosilane micropatterns on hydroxyl-terminated substrates : fabrication and applications

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dc.contributor.author Li, Hai
dc.contributor.author Zhang, Juan
dc.contributor.author Zhuo, Xiaozhu
dc.contributor.author Lu, Gang
dc.contributor.author Yin, Zongyou
dc.contributor.author Li, Gong Ping
dc.contributor.author Wu, Tom
dc.contributor.author Boey, Freddy Yin Chiang
dc.contributor.author Venkatraman, Subbu S.
dc.contributor.author Zhang, Hua
dc.date.accessioned 2011-09-15T01:07:22Z
dc.date.available 2011-09-15T01:07:22Z
dc.date.copyright 2009
dc.date.issued 2011-09-15
dc.identifier.citation Li, H., Zhang, J., Zhou, X., Lu, G., Yin, Z., Li, G., & et al. (2009). Aminosilane Micropatterns on Hydroxyl-Terminated Substrates: Fabrication and Applications. Langmuir, 26(8), 5603-5609.
dc.identifier.issn 0743-7463
dc.identifier.uri http://hdl.handle.net/10220/7059
dc.description.abstract The technique to pattern aminosilanes on hydroxyl-terminated substrates will open up extensive applications in many fields. There are some existing methods to pattern aminosilanes, in particular, (3-aminopropyl)triethoxysilane (APTES) on SiO2 and glass substrates through indirect routes. However, few reports focus on the direct patterning of APTES by microcontact printing (μCP), due to the volatility of “inks” which consist of APTES and organic solvents. This report shows that high-quality APTES patterns on hydroxyl-terminated substrates can be directly obtained by μCP using an APTES aqueous solution as “ink”. Gold nanoparticles (Au NPs) have been used to verify the presence and quality of APTES patterns on which they are selectively adsorbed. Thus-obtained Au NP patterns can serve as templates for the growth of ZnO nanostructures. Lectins are also successfully immobilized on the APTES patterns, with glutaraldehyde as linker. We believe that our method will serve as a general approach and find a wide range of applications in the fabrication of patterns and devices.
dc.format.extent 7 p.
dc.language.iso en
dc.relation.ispartofseries Langmuir
dc.rights © 2009 American Chemical Society.
dc.subject DRNTU::Science::Chemistry::Physical chemistry::Surface chemistry.
dc.title Aminosilane micropatterns on hydroxyl-terminated substrates : fabrication and applications
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1021/la9039144
dc.identifier.rims 150153

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