Issue 5, 2014

Gas diffusion as a new fluidic unit operation for centrifugal microfluidic platforms

Abstract

A centrifugal microfluidic platform prototype with an integrated membrane for gas diffusion is presented for the first time. The centrifugal platform allows multiple and parallel analysis on a single disk and integrates at least ten independent microfluidic subunits, which allow both calibration and sample determination. It is constructed with a polymeric substrate material and it is designed to perform colorimetric determinations by the use of a simple miniaturized optical detection system. The determination of three different analytes, sulfur dioxide, nitrite and carbon dioxide, is carried out as a proof of concept of a versatile microfluidic system for the determination of analytes which involve a gas diffusion separation step during the analytical procedure.

Graphical abstract: Gas diffusion as a new fluidic unit operation for centrifugal microfluidic platforms

Supplementary files

Article information

Article type
Paper
Submitted
01 Oct 2013
Accepted
09 Dec 2013
First published
21 Jan 2014

Lab Chip, 2014,14, 1014-1022

Gas diffusion as a new fluidic unit operation for centrifugal microfluidic platforms

O. Ymbern, N. Sández, A. Calvo-López, M. Puyol and J. Alonso-Chamarro, Lab Chip, 2014, 14, 1014 DOI: 10.1039/C3LC51114F

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