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. 2023 Jul 10;10(7):821. doi: 10.3390/bioengineering10070821

Figure 2.

Figure 2

Synthesis of Ls-AgNPs from L. speciosa: (A) pale yellow colored flower bud aqueous extract, (B) 1 mM AgNO3 solution, (C) change of the color to darkish brown after an incubation period of 24 h, and (D) UV-Visible absorption spectrum of synthesized Ls-AgNPs.