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An Inexpensive Paper-Based Photoluminescent Sensor for Gallate Derived Green Tea Polyphenols

Tumpa Gorai1, Shruthi Sakthivel2, Uday Maitra2

  • 1Current address: School of Chemistry Trinity Biomedical Sciences Institute (TBSI), Trinity College Dublin, 152-160 Pearse Street, Dublin, 2, Ireland.

Chemistry, an Asian Journal
|October 20, 2020
PubMed

Keywords:
EGCGGallic acidGreen teaPaper-basedTerbium

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Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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