Microfluidic oxidant types

A variety of techniques have been applied for sterilizing microfluidic cell culture chips and covered by reviews [12, 25] and references therein, such as autoclaving, UV light, oxygen plasma, gamma irradiation, ethylene oxide exposure and perfusion with ethanol, hypochlorite or sodium hydroxide. The applicability of the different techniques primarily depends, aside from what is available in a laboratory, on the type of system and the fabrication material. Autoclaving is an effective method but not suitable for chips fabricated of thermoplastic polymers. The applied temperature and pressure... 

Yoshida et al. [55] and Nakano et al. [73] tested ER effects in SU-8 channels with indium tin oxide electrodes, for self-control of ERF in hard substrates. Niu et al. designed a GERF-based microfluidic valve responsive to external DC signals and was able to develop this concept as a system for microfluidic flow control free of any limitations of flow type [74]. 

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