Aminosilane micropatterns on hydroxyl-terminated substrates: fabrication and applications

Langmuir : the ACS Journal of Surfaces and Colloids
Hai LiHua Zhang

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 SiO(2) and glass substrates through indirect routes. However, few reports focus on the direct patterning of APTES by microcontact printing (microCP), 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 microCP 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.

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Citations

Jan 27, 2012·ACS Applied Materials & Interfaces·Hai LiHua Zhang
Jun 17, 2011·Journal of the American Chemical Society·Niya Sa, Lane A Baker
Jun 11, 2010·Integrative Biology : Quantitative Biosciences From Nano to Macro·Jian-Chow SooPeng Chen
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Aug 11, 2011·Chemical Communications : Chem Comm·Hai LiHua Zhang
Feb 18, 2014·Langmuir : the ACS Journal of Surfaces and Colloids·Yan Wang, Thomas J McCarthy
Mar 26, 2014·Nano Letters·Yu ZhouChad A Mirkin
Oct 19, 2010·Journal of Colloid and Interface Science·Hua-Yan SiHao-Li Zhang
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Apr 6, 2016·ACS Applied Materials & Interfaces·Yudi TuHiroyuki Sugimura
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Apr 8, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Gang LuHua Zhang
Mar 6, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Zongyou YinHua Zhang
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Nov 5, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Dorjderem Nyamjav, Richard C Holz

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