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. 2022 Dec 7;7(50):46653–46673. doi: 10.1021/acsomega.2c05605

Figure 1.

Figure 1

Visual and IR-based characterization of silver nanoparticles synthesized by endophyte P. oxalicum (POAgNPs). (A) Visible color change after addition of 1 mM silver nitrate to the aqueous extract of P. oxalicum. (B) UV–vis spectra of POAgNPs at different time intervals showing reduction of silver nitrate and formation of silver nanoparticles. (C) FT-IR spectrum of silver nanoparticles synthesized by the endophyte P. oxalicum.