期刊
LAB ON A CHIP
卷 9, 期 15, 页码 2140-2144出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b905804d
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资金
- Korean Ministry of Education, Science and Technology [R0A-2007-000-20028-0, 2005-01274]
- Natural Science Foundation of China [60574095]
- foundation of Director of Hefei Institutes of Physical Science
- Chinese Academy of Sciences [0721H11141]
We use a conventional and straightforward route to fabricate scalable morphology-controlled regular structures. This route is based on the etching of PDMS microlens array in CF4 and CF4/O-2 plasma. PDMS microlens array can be changed to regularly isolated microdot structures array in CF4 plasma. Microbowl shaped structures array can be reached in CF4/O-2 plasma. Moreover, a set of structures after CF4 plasma treatment display superhydrophobicity, while a set of structures after CF4/O-2 plasma treatment present hydrophilicity. DNA molecules can be readily enriched on the hydrophilic surface. We believe that the regular structure array surfaces provide a useful inspiration towards biomolecular detection and transportation in biochips.
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