Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/64777
Title: UV-Defined flat PDMS stamps suitable for microcontact printing
Authors: Xue, C.-Y.
Chin, S.Y.
Khan, S.A. 
Yang, K.-L. 
Issue Date: 2-Mar-2010
Citation: Xue, C.-Y., Chin, S.Y., Khan, S.A., Yang, K.-L. (2010-03-02). UV-Defined flat PDMS stamps suitable for microcontact printing. Langmuir 26 (5) : 3739-3743. ScholarBank@NUS Repository.
Abstract: We report a simple method of creating well-defined micropatterns on the surface of a flat PDMS stamp, making it suitable for microcontact printing of proteins. This method only requires a UV lamp (254 nm) and a TEM grid (as a photomask) to modify the surface of PDMS for creating desired micropatterns. By using the UV-modified stamp, a printed protein micropattem that resembles the original TEM. grid can be obtained. Surprisingly, unlike the oxygenplasma-treated. PDMS, the UV-modified flat stamp is also long-lasting ( > 1 week). The method reported herein is very economical for microcontact printing applications because expensive silicon masters and microstructured PDMS are no longer required. © 2009 American Chemical Society.
Source Title: Langmuir
URI: http://scholarbank.nus.edu.sg/handle/10635/64777
ISSN: 07437463
Appears in Collections:Staff Publications

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