Journal
APPLIED MATERIALS TODAY
Volume 10, Issue -, Pages 133-141Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apmt.2017.12.016
Keywords
Inkjet printing; Non-enzymatic sensor; Glucose; Copper oxide; Tear analysis
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Funding
- European Research Council (ERC) [311529]
- Spanish Ministry of Economy and Competitiveness [DPI2015-65401-C3-3-R]
- European Commission [712754]
- Severo Ochoa programme of the Spanish Ministry of Economy and Competitiveness [SEV-2014-0425]
- MEINCOM
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Here, we present a flexible and low-cost inkjet printed electrochemical sensor for enzyme-free glucose analysis. Versatility, short fabrication time and low cost make inkjet printing a valuable alternative to traditional sensor manufacturing techniques. We fabricated electro-chemical glucose sensors by inkjet printing electrodes on a flexible polyethylene terephthalate substrate. CuO microparticles were used to modify our electrodes, leading to a sensitive, stable and cost-effective platform for non-enzymatic detection of glucose. Selectivity, reproducibility, and life-time provided by the CuO functionalization demonstrated that these sensors are reliable tools for personalized diagnostics and self-assessment of an individual's health. The detection of glucose at concentrations matching that of tear fluid allows us to envisage applications in ocular diagnostics, where painless and non-invasive monitoring of diabetes can be achieved by analyzing glucose contained in tears. (c) 2017 Published by Elsevier Ltd.
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