http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Direct rapid prototyping of PDMS from a photomask film for micropatterning of biomolecules and cells
Hwang, Hyundoo,Kang, Gyumin,Yeon, Ju Hun,Nam, Yoonkey,Park, Je-Kyun Royal Society of Chemistry 2009 Lab on a chip Vol.9 No.1
<P>The soft lithographic technique is a collection of simple and cost-effective patterning techniques which applies an elastomeric stamp to transfer a nano/micro-scale pattern. Patterning biological materials using soft lithography provides procedurally simple control of the surface chemistry and the cell environments. However, conventional methods for generating microstructures on a substrate require expensive clean room facilities and skillful training. Here we report a simple and inexpensive clean-room free process using a conventional photomask film as a master to fabricate elastomeric stamps or microfluidic channels. This ultra rapid prototyping technique was applied to print FITC labeled poly-L-lysine with a 10 µm feature size on a glass substrate using soft lithographic processes, such as micro-contact printing and micromolding in capillaries, for patterning human hepatocellular carcinoma cells, human skin fibroblasts and hippocampal neurons from E-18 Sprague-Dawley rat. This novel technique using a photomask film as a master would be very useful ‘hands-on’ tool for the generation of micro-patterned chemical or biological assays using cells and proteins.</P> <P>Graphic Abstract</P><P>We report a simple and inexpensive clean-room free process using a photomask film as a master to produce elastomeric stamps and microchannels, and micrometer-scale cell patterns are demonstrated by micro-contact printing and micromolding in capillaries. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=b810341k'> </P>