Issue 11, 2014

A droplet-based pH regulator in microfluidics

Abstract

In this paper, we develop a strategy to form on-demand droplets with specific pH values. The pH control is based on electrolysis of water in microfluidics, and the produced hydrogen and hydroxyl ions are separated and confined in individual containers during the droplet generation, triggered by a pressure pulse. By tuning the applied voltages and pressure pulses, we can control on demand the pH value in a droplet.

Graphical abstract: A droplet-based pH regulator in microfluidics

Supplementary files

Article information

Article type
Paper
Submitted
27 Dec 2013
Accepted
04 Mar 2014
First published
12 Mar 2014

Lab Chip, 2014,14, 1917-1922

Author version available

A droplet-based pH regulator in microfluidics

H. Zhou, G. Li and S. Yao, Lab Chip, 2014, 14, 1917 DOI: 10.1039/C3LC51442K

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