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Title: Simplest method for creating micropatterned nanostructures on PDMS with UV light
Authors: Xue, C.-Y.
Zhang, W. 
Choo, W.H.S.
Yang, K.-L. 
Issue Date: 15-Nov-2011
Citation: Xue, C.-Y., Zhang, W., Choo, W.H.S., Yang, K.-L. (2011-11-15). Simplest method for creating micropatterned nanostructures on PDMS with UV light. Langmuir 27 (22) : 13410-13414. ScholarBank@NUS Repository.
Abstract: The fabrication of micropatterned structures on PDMS is a critical step in soft lithography, microfluidics, and many other PDMS-based applications. To substitute traditional mold-casting methods, we develop a simple method to create micropatterned nanostructures on PDMS in one step. After exposing a flat PDMS surface to a UV pen lamp through a photomask (such as a TEM grid), micropatterned nanostructures can be formed readily on the PDMS surface. We also demonstrate that fabricated PDMS can be used for the microcontact printing of protein immunoglobulin (IgG) on solid surfaces. This method is probably the simplest method of creating micropatterned nanostructures on PDMS reported so far because it does not need casting, surface coating, or chemical reagents. Only a UV pen lamp and a photomask are required, and this method can be performed under ambient conditions without vacuum. We expect that this method will greatly benefit researchers who use PDMS regularly in various applications such as soft lithography and microfluidics. © 2011 American Chemical Society.
Source Title: Langmuir
ISSN: 07437463
DOI: 10.1021/la2029824
Appears in Collections:Staff Publications

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