Lab On a Chip 2015-01-01

A programmable microfluidic static droplet array for droplet generation, transportation, fusion, storage, and retrieval.

Si Hyung Jin, Heon-Ho Jeong, Byungjin Lee, Sung Sik Lee, Chang-Soo Lee

文献索引：Lab Chip 15 , 3677-86, (2015)

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摘要

We present a programmable microfluidic static droplet array (SDA) device that can perform user-defined multistep combinatorial protocols. It combines the passive storage of aqueous droplets without any external control with integrated microvalves for discrete sample dispensing and dispersion-free unit operation. The addressable picoliter-volume reaction is systematically achieved by consecutively merging programmable sequences of reagent droplets. The SDA device is remarkably reusable and able to perform identical enzyme kinetic experiments at least 30 times via automated cross-contamination-free removal of droplets from individual hydrodynamic traps. Taking all these features together, this programmable and reusable universal SDA device will be a general microfluidic platform that can be reprogrammed for multiple applications.

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