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. 2021 Mar 8;11:5444. doi: 10.1038/s41598-021-84794-6

Figure 2.

Figure 2

UV–Visible spectroscopic analysis of P. boryana aqueous extract (A), Na2PdCl4 (B), and Pd-NPs. Glass vials in inset represent the color change of PB-extract and Na2PdCl4 mixture after Pd-NPs synthesis.