A new method of UV-patternable hydrophobization of micro- and nanofluidic networks

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Arayanarakool, Rerngchai and Shui, Lingling and Berg, Albert van den and Eijkel, Jan C.T. (2011) A new method of UV-patternable hydrophobization of micro- and nanofluidic networks. Lab on a Chip, 11 (24). pp. 4260-4266. ISSN 1473-0197

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Abstract:This work reports a new method to hydrophobize glass-based micro- and nanofluidic networks. Conventional methods of hydrophobizing glass surfaces often create particulate debris causing clogging especially in shallow nanochannels or require skilful handling. Our novel method employs oxygen plasma, silicone oil and ultraviolet (UV) light. The contact angle of the modified bare glass surface can reach 100 whilst the inner channels after treatment facilitate stable and durable water-inoil droplet generation. This modified surface was found to be stable for more than three weeks. The use of UV in principle enables in-channel hydrophobic patterning
Item Type:Article
Copyright:© 2011 RSC Publishing
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/78989
Official URL:http://dx.doi.org/10.1039/c1lc20716d
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