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|Title:||UV-Defined flat PDMS stamps suitable for microcontact printing|
|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.|
|Appears in Collections:||Staff Publications|
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