期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 324, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2020.128679
关键词
Electrochemical detection; Low-cost microfabrication; Microfluidics; Lab on a chip; Carbon electrodes; Xurography; Screen-printing
资金
- TRANS-NANOAVANSENS program from the Community of Madrid [S2018-NMT-4349]
- Spanish Ministry of Economy, Industry and Competitiveness [CTQ2017-86441-C2-1-R]
- University of Alcala
- European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant [713714]
- University of Teramo and Abruzzo region
A low-cost scalable xurography cleanroom-free approach is proposed for the development of disposable electrochemical microfluidic devices (EMDs). Microband carbon electrodes as narrow as 300 mu m and microchannels as small as 250 x 75 mu m (width x height) were thermally laminated at the bottom of the microchannels without further post-processing. Microband carbon electrodes exhibited a well-defined behavior in agreement to a Levich-like equation that led to a finely reaction control. In less than 1 h, about 50 EMDs can be produced (<0.01(sic) per device) making them compatible and affordable for common laboratories. Analytical capabilities were demonstrated by the development of an antioxidant capacity assay using a customized dual-channel EMD.
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