Fabrication and optimisation of a fused filament 3D-printed microfluidic platform

Alexander M. Tothill,M. Partridge,S. James,R. Tatam

Published 2017 in Journal of Micromechanics and Microengineering

ABSTRACT

A 3D-printed microfluidic device was designed and manufactured using a low cost ($2000) consumer grade fusion deposition modelling (FDM) 3D printer. FDM printers are not typically used, or are capable, of producing the fine detailed structures required for microfluidic fabrication. However, in this work, the optical transparency of the device was improved through manufacture optimisation to such a point that optical colorimetric assays can be performed in a 50 µl device. A colorimetric enzymatic cascade assay was optimised using glucose oxidase and horseradish peroxidase for the oxidative coupling of aminoantipyrine and chromotropic acid to produce a blue quinoneimine dye with a broad absorbance peaking at 590 nm for the quantification of glucose in solution. For comparison the assay was run in standard 96 well plates with a commercial plate reader. The results show the accurate and reproducible quantification of 0–10 mM glucose solution using a 3D-printed microfluidic optical device with performance comparable to that of a plate reader assay.

PUBLICATION RECORD

  • Publication year

    2017

  • Venue

    Journal of Micromechanics and Microengineering

  • Publication date

    2017-02-15

  • Fields of study

    Physics, Materials Science, Chemistry, Engineering

  • Identifiers
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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