Photonic lab-on-a-chip with environmental light correction for in situ determination of enteric pathogen contamination

Pablo Giménez-Gómez, Jordi Sacristán-Riquelme, Ferran Pujol-Vila, Nidia Santamaria, Núria Vigués, Cecilia Jiménez-Jorquera, Jordi Mas, Xavier Muñoz-Berbel

Research output: Other contribution

Abstract

In situ determination of enteric pathogen bacteria is essential in the prevention of a number of illnesses associated to contaminated water consumption. Current methods for this mostly depend on long incubation times (i.e. Colibert test) or poorly selective/ sensitive protocols (amperometric sensors). Based on the Colilert test, this manuscript presents a low-cost and small-size photonic lab-on-a-chip (PhLoC) containing discrete auxiliary optical elements (i.e. light emitting diodes, LEDs, and detectors) and an external electronic control system for environmental light correction. Preliminary results demonstrate the suitability of the present technology for the sensitive and selective determination of coliform bacteria. These architectures and measurement protocols open the possibility for fast in situ determination of microbial contaminants in drinking and wastewaters.

Original languageEnglish
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479968350
DOIs
Publication statusPublished - 22 Dec 2014

Publication series

Name2014 IEEE 9th IberoAmerican Congress on Sensors, IBERSENSOR 2014 - Conference Proceedings

Keywords

  • enteric pathogen determination
  • environmental light correction
  • in situ monitoring
  • laser ablation
  • photonic lab-on-a-chip

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