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

Oriol Ymbern, Natàlia Sández, Antonio Calvo-López, Mar Puyol, Julian Alonso-Chamarro

Research output: Contribution to journalArticleResearchpeer-review

17 Citations (Scopus)

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. © The Royal Society of Chemistry 2014.
Original languageEnglish
Pages (from-to)1014-1022
JournalLab on a Chip
Volume14
Issue number5
DOIs
Publication statusPublished - 7 Mar 2014

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