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(A) UV–Vis spectral scan (from 300–600 nm) of nanosilver (B) Change in color depends on the trial conditions: (1) Filtrate without AgNO3 (control), (2) Run 3; (3) Run 4; (4) Run 6; (5) Run 7; (6) Run 12; (7) Run 14; (8) Run 19; (9) Run 23; and (10) Run 25. All After incubation time 24 h.
