Injection molded lab-on-a-disc platform for screening of genetically modified E. coli using liquid-liquid extraction and surface enhanced Raman scattering

Lidia Morelli*, Laura Serioli, Francesca Alessandra Centorbi, Christian Bille Jendresen, Marco Matteucci, Oleksii Ilchenko, Danilo Demarchi, Alex Toftgaard Nielsen, Kinga Zor, Anja Boisen

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

We present the development of an automated centrifugal microfluidic platform with integrated sample pre-treatment (filtration and liquid-liquid extraction) and detection (SERS-based sensing). The platform consists of eight calibration and four assay modules, fabricated with polypropylene using injection molding and bonded with ultrasonic welding. The platform was used for detection of a secondary bacterial metabolite (p-coumaric acid) from bacterial supernatant. The obtained extraction efficiency was comparable to values obtained in batch experiments and the SERS-based sensing showed a good correlation with HPLC analysis.
Original languageEnglish
JournalLab on a Chip
Number of pages9
ISSN1473-0197
DOIs
Publication statusPublished - 2018

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