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. 2023 Jul 19;28(14):5519. doi: 10.3390/molecules28145519

Figure 1.

Figure 1

(a) A colour image of the test tubes containing Ag-NPs formed in the presence of different volumes of Tanaceti flos aqueous extract: (a) 5 µL, (b) 10 µL, (c) 15 µL, (d) 20 µL, (e) 30 µL, (f) 50 µL, and (g) 80 µL. (b) Absorbance measured at 423 nm versus the volume of extract added.