Journal
ANALYTICAL CHEMISTRY
Volume 85, Issue 11, Pages 5405-5410Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ac303786s
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Funding
- joint ICL and UCL undergraduate summer placement program
- ERC
- EPSRC
- EPSRC [EP/H046593/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H046593/1] Funding Source: researchfish
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We propose and outline a novel technique designed to utilize the unique surface repulsion present between aqueous droplets and customizable superhydrophobic surfaces for the on-chip spatial and temporal manipulation of droplets within microfluidic architectures. Through the integration of carefully designed and prepatterned superhydrophobic surfaces into polymer microfluidic chipsets, it is possible to take advantage of this enhanced surface repulsion to passively manipulate droplets on the microscale for a wide range of droplet operations, including but not limited to acceleration, deceleration, merging, and path control. This work aims to help fulfill and stimulate development based around current requirements for additional passive analytical manipulation and detection techniques in order to enable a reduction in experimental design complexity with the goal of facilitating and improving portability for Lab-on-a-chip devices.
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