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. 2020 Oct 26;18:67. doi: 10.1186/s43141-020-00081-3

Table 1.

Effect of biological material, precursor concentration and extract concentration on the morphology of biological nanoparticles

Plant name and part used Nanoparticles Precursor Concentration of plant extract used Size Shape References
Aloe vera leaf Gold and Silver

1 mM HAuCl4

10 mM AgNO3

0.5–4 mL

5 mL

5–50 nm Gold-triangular, spherical Silver-spherical [35]
Avena sativa biomass Gold 0.1 mM Au(III) 2 mL 5–20 nm Tetrahedral, deca- hedral, hexagonal, icosahedral multitwinned, irregular shape, and rod shape nanoparticles [36]
Black tea leaf extract Gold and Silver 0.01 M HAuCl4 AgNO3 10 mL 20 spherical [37]
Cinnamon zeylanicum bark powder Silver 1 mM AgNO3 5 mL 31–40 cubic, hexagonal [38]
Hibiscus rosa sinensis leaf Gold, Silver

0.0005 M HAuCl4

0.0008 M AgNO3

5 mL

20 mL

14

13

Gold-triangular, hexagonal, dodecahedral and spherical

Silver-spherical

[39]
Ocimum sanctum leaf Gold, Silver

1 mM AuCl4

1 mM AgNO3

30 mL

25 mL

30

13

Gold-hexagonal, prism

Silver-spherical

[40]
Parthenium hysterophorus leaf Silver 1 mM AgNO3 50 mL 50 Irregular [41]
Pear fruit extract Gold 2 mM HAuCl4 500 mL 200–500 Triangular, hexagonal [42]
Tamarindus indica leaf Gold 1 mM HAuCl4 45 mL 20–40 triangular [43]
Garcinia mangostana pericarp Gold, Silver

10 mM, HAuCl4

10 mM, AgNO3

3 mL 13.65 ± 5.07 to 31.08 ± 3.99 Nanodumbbell shapes [44]
Terminalia chebula Seed Gold 0.01 M HAuCl4 2 mL 6–60 Triangles, pentagons and spheres [45]
Cassia tora leaf Gold 1 mM HAuCl4 100 mL 41-57 spherical [46]
Madhuca longifolia flower Silver 1 mM AgNO3 30 mL 30-50 Spherical and oval [47]
banana stem Silver 2 mM AgNO3 9 mL 75.50 nm to 1.22 μm Truncated octahedron, rhomb-dodecahedron, cubic, octahedron and octagon [48]
Pine cone Silver 1 mM AgNO3 45 mL 1–50 Triangular and hexagonal [49]
Lycium chinense fruit Gold, Silver

1 mM HAuCl4

1 mM AgNO3

50 mL 20–100 nm, 50–200 nm Polydispersed, spherical [50]
Ocimum sanctum (tulsi) leaves Platinum 1mM H2PtCl6 190 mL 23 nm Spherical [51]
Diopyros kaki leaf Platinum 1mM H2PtCl6 190 mL 2–20 nm Spheres and plates [52]
Curcuma longa tuber Palladium 1 mM PdCl2 50 mL 15 to 20 nm Spherical [53]
Musa ornate flower Iron 5 mM FeSO4 10 mL 43.69 nm [54]
Calotropis Gigantean flower Iron 0.01 M FeNO3.9H2O 10 mL 50–90 nm Spherical [55]
eucalyptus leaf Iron 0.10 M FeSO4 10 mL 20–80 nm Spherical [56]
tea powder Iron 0.1 N Fe(NO3)3 10 mL 40 to 50 nm Spherical [57]
Platanus orientalis leaf Iron oxide Fe(NO3)3 30–40 nm Spherical [58]
Ficus carica fruit Iron oxide 0.14 M FeCl3.6H2O 10 mL 475 nm Spherical [59]
Conyza Canadensis leaf Zinc oxide 0.15 M ZnNO3 20 mL in 80 mL Somewhat spherical [60]
Lemongrass leaves Zinc oxide ZnNO3 50 mL 85–98 nm Spherical [61]
Hibiscus subdariffa leaf Zinc oxide 91 mM ZnC4H6O4 50 mL 12–46 nm Spherical, dumbbell shaped [62]
Costus pictus D. Don leaf Zinc oxide 0.1 M (Zn(NO3)2 50 mL 40 nm Elongated, hexagonal and rodshaped [63]
Artemisia abrotanum Magnesium oxide Mg (NO3)2 90 mL 10 nm Spherical [64]
Trigonella foenum-graecum leaf Magnesium oxide 5 mM Mg (NO3)2 150 mL 13 nm Spherical [65]
Punica granatum Peels Magnesium oxide MgSO4 0.1 M 250 mL 50–65 nm [66]
Brassica oleracea flower Magnesium oxide MgSO4 0.1 M 250 mL 30–45 nm