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. 2017 Aug 10;12(8):e0182823. doi: 10.1371/journal.pone.0182823

Fig 6.

Fig 6

(a-d) HPLC chromatograms showing diminishing tendency of MR dye specific peak at different time interval under Cu-doped ZnO-NPs mediated photocatalysis, (e) UPLC chromatogram consisting intermediated by-product peaks at 30 min irradiation exposure. (f–i) ESI-MS plots of UPLC fractions showing abundant compounds at the specific elution time.