Figures & data
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Figure 1. Toxicity effects of Fe(NO3)3 and Ni(NO3)2 in A. pinnata: (A) effects of various concentrations of each metal and (B) effects of single and dual treatments of both metals at 50 mM.
![Figure 1. Toxicity effects of Fe(NO3)3 and Ni(NO3)2 in A. pinnata: (A) effects of various concentrations of each metal and (B) effects of single and dual treatments of both metals at 50 mM.](/cms/asset/762ebcd6-c1ca-4065-9a0c-6b90ca1efc0b/ianb_a_1931262_f0001_c.jpg)
Figure 2. EDXRF mapping images of 26Fe, 28Ni, 16S, 17Cl, 19K, and 20Ca in A. pinnata exposed to Fe(NO3)3 and Ni(NO3)2.
![Figure 2. EDXRF mapping images of 26Fe, 28Ni, 16S, 17Cl, 19K, and 20Ca in A. pinnata exposed to Fe(NO3)3 and Ni(NO3)2.](/cms/asset/649ce54c-0a6c-4de1-8170-94f5f8f17160/ianb_a_1931262_f0002_c.jpg)
Figure 3. Elemental quantitative analysis of A. pinnata exposed to Fe(NO3)3 and Ni(NO3)2 in (A) roots and (B) shoots.
![Figure 3. Elemental quantitative analysis of A. pinnata exposed to Fe(NO3)3 and Ni(NO3)2 in (A) roots and (B) shoots.](/cms/asset/ad101336-44f1-4da4-8145-3c57baa27ed7/ianb_a_1931262_f0003_c.jpg)
Figure 4. ATR-FTIR spectra of A. pinnata exposed to Fe(NO3)3 and Ni(NO3)2 in the wavelength range of 4000−400 cm−1.
![Figure 4. ATR-FTIR spectra of A. pinnata exposed to Fe(NO3)3 and Ni(NO3)2 in the wavelength range of 4000−400 cm−1.](/cms/asset/b51dc9b6-a95c-4fd3-b481-414384ec01f3/ianb_a_1931262_f0004_c.jpg)
Figure 5. TEM images of cortical cells of A. pinnata roots: (A) control, (B) Fe(NO3)3 treatment, (C) Ni(NO3)2 treatment, and (D,E) both metal treatments. Abbreviations: c: cortical cell; v: vacuole; mvbs: multivesicular bodies. Arrows and arrow heads indicated nanoparticles and plasmolysis, respectively.
![Figure 5. TEM images of cortical cells of A. pinnata roots: (A) control, (B) Fe(NO3)3 treatment, (C) Ni(NO3)2 treatment, and (D,E) both metal treatments. Abbreviations: c: cortical cell; v: vacuole; mvbs: multivesicular bodies. Arrows and arrow heads indicated nanoparticles and plasmolysis, respectively.](/cms/asset/a55f7951-c572-4662-9032-eefa6a3edc38/ianb_a_1931262_f0005_b.jpg)
Figure 6. TEM images of vascular cells of A. pinnata roots: (A,B) Fe(NO3)3 treatment, and (C,D) Fe(NO3)3 and Ni(NO3)2 treatments. Abbreviations: mx: metaxylem; p: pericycle; ph: phloem; pmb: paramural body. Arrows and arrow heads indicated nanoparticles and plasmolysis, respectively.
![Figure 6. TEM images of vascular cells of A. pinnata roots: (A,B) Fe(NO3)3 treatment, and (C,D) Fe(NO3)3 and Ni(NO3)2 treatments. Abbreviations: mx: metaxylem; p: pericycle; ph: phloem; pmb: paramural body. Arrows and arrow heads indicated nanoparticles and plasmolysis, respectively.](/cms/asset/21d45168-f05c-43e0-ae02-f1fa086fbf62/ianb_a_1931262_f0006_b.jpg)
Figure 7. SAED-TEM analysis of cellular NPs in A. pinnata treated with (A) Fe(NO3)3 and (B) Fe(NO3)3 and Ni(NO3)2.
![Figure 7. SAED-TEM analysis of cellular NPs in A. pinnata treated with (A) Fe(NO3)3 and (B) Fe(NO3)3 and Ni(NO3)2.](/cms/asset/9f6e63fb-57cb-4dc4-b207-02d1d76f0aae/ianb_a_1931262_f0007_b.jpg)
Data availability statement
The authors confirm that the data supporting the findings of this study are available within the article [and/or] its supplementary materials.