Size-dependent cytotoxicity of silver nanoparticles to Azotobacter vinelandii: Growth inhibition, cell injury, oxidative stress and internalization
Fig 4
Effect of AgNPs on cell apoptosis of A. vinelandii.
(a) nano-Ag 10 at a concentration of 2 mg/L; (b) nano-Ag 10 at a concentration of 10 mg/L; (c) nano- Ag50 at a concentration of 10 mg/L; (d) nano-Ag 50 at a concentration of 100 mg/L; (e) no AgNPs added. All treatments were exposed for 12 h.