A conventional route to scalable morphology-controlled regular structures and their superhydrophobic/hydrophilic properties for biochips application
- A conventional route to scalable morphology-controlled regular structures and their superhydrophobic/hydrophilic properties for biochips application
- 임매순; Hong-Xuan Ren; Xing Chen; Xing-Jiu Huang; Dong-Haan Kim; Joo-Hyung Lee; Jun-Bo Yoon; Ning Gu; Jin-Huai Liu; Yang-Kyu Choi
- Issue Date
- Lab on a chip
- VOL 9, NO 15-2144
- 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/O2 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/O2 plasma. Moreover, a set of structures after CF4 plasma treatment display superhydrophobicity, while a set of structures after CF4/O2 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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