Active microvalves and passive microvalves in microfluidic chips. (IMAGE)

Beijing Institute of Technology Press Co., Ltd

Active microvalves and passive microvalves in microfluidic chips.

Caption

Active microvalves and passive microvalves in microfluidic chips. (A) Typical structure of active microvalve: sliding arm. PDMS structures contain a guiding channel and a fluidic channel and were bonded to a planar PDMS surface. (B) Pinch valve operating principle. (C) Phase change microvalve operating principle. (D) Hot bubble microvalve operating principle.

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Space: Science & Technology

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