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Increase in Voltage Efficiency of Picoinjection using Microfluidic Picoinjector Combined Faraday Moat with Silver Nanoparticles Electrode
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  • Journal title : Korean Chemical Engineering Research
  • Volume 53, Issue 4,  2015, pp.472-477
  • Publisher : The Korean Institute of Chemical Engineers
  • DOI : 10.9713/kcer.2015.53.4.472
 Title & Authors
Increase in Voltage Efficiency of Picoinjection using Microfluidic Picoinjector Combined Faraday Moat with Silver Nanoparticles Electrode
Noh, Young Moo; Jin, Si Hyung; Jeong, Seong-Geun; Kim, Nam Young; Rho, Changhyun; Lee, Chang-Soo;
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This study presents modified microfluidic picoinjector combined Faraday moat with silver nanoparticle electrode to increase electrical efficiency and fabrication yield. We perform simple dropping procedure of silver nanoparticles near the picoinjection channel, which solve complicate fabrication process of electrode deposition onto the microfluidic picoinjector. Based on this approach, the microfluidic picoinjector can be reliably operated at 180 V while conventional Faraday moat usually have performed above 260 V. Thus, we can reduce the operation voltage and increase safety. Furthermore, the microfluidic picoinjector is able to precisely control injection volume from 7.5 pL to 27.5 pL. We believe that the microfluidic picoinjector will be useful platform for microchemical reaction, biological assay, drug screening, cell culture device, and toxicology.
Microfluidics;Droplet;Picoinjector;Silver Nanoparticles;Electrode;
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