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. 2023 Apr 17;14:1159251. doi: 10.3389/fmicb.2023.1159251

Figure 1.

Figure 1

(A) Absorption spectra of different ratios of silver nitrate (AgNO3; 1 mM) and the culture filtrate (CF) (4:1, 3:2, 2:3, 1:4) at pH 10. (B) Absorption spectra of the reaction mixture (AgNO3; 1 mM 1:4CF) at different pH values.