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Fig. 17 | Journal of Nanobiotechnology

Fig. 17

From: Herbal medicine derived carbon dots: synthesis and applications in therapeutics, bioimaging and sensing

Fig. 17

pH sensing of HM-CDs. a The response mechanism of pH-sensitive HM-CDs, b pH dependence for Hg2+ detection using photoluminescent CDs derived from giant knotweed rhizome. c(Hg2+): 100.0 mM; pH: 5.8, 6.2, 6.6, 7.0, 7.4, 8.0, 9.3; ex: 320 nm; em: 400 nm. Each point is an average of three successive measurements. Reprinted with permission from ref. [87]. Copyright (2013) Royal Society of Chemistry

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