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Cho, Yoon-Kyoung
Integrated Nano-Biotech Lab (INBL)
Research Interests
  • Microfluidics, Lab-on-a-chip, personalized biomedical diagnostics, nanobioengineering

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Lab-on-a-disc for simultaneous determination of total phenolic content and antioxidant activity of beverage samples

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Title
Lab-on-a-disc for simultaneous determination of total phenolic content and antioxidant activity of beverage samples
Author
Phonchai, ApichaiKim, YubinChantiwas, RattikanCho, Yoon-Kyoung
Issue Date
201609
Publisher
ROYAL SOC CHEMISTRY
Citation
LAB ON A CHIP, v.16, no.17, pp.3268 - 3275
Abstract
In this paper, we present a fully integrated and automated lab-on-a-disc for the rapid determination of the total phenolic content (TPC) and antioxidant activity (AA) of beverage samples. The simultaneous determinations of TPC and AA on a spinning disc were achieved by integrating three independent analytical techniques: the Folin–Ciocalteu method that is used to measure TPC, the 2,2-diphenyl-1-picrylhydrazyl radical (DPPH) method and the ferric reducing antioxidant power method that are used to measure AA. The TPC and AA of 8 different beverage samples, including various fruit juices, tea, wine and beer, were analyzed. Unlike conventional labor-intensive processes for measuring TPC and AA, our fully automated platform offers one-step operation and rapid analysis.
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DOI
http://dx.doi.org/10.1039/C6LC00646A
ISSN
1473-0197
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