Nanoparticle Antimicrobial Activity

Some nanoparticles (NP) are developed to kill pathogenic bacteria, but Pseudomonas putida KT2440 is beneficial to soil. Gajjar et al. investigated heavy metal NP effect on this Pseudomonas sp. They found nano-AG, CuO and ZnO contributed to P. putida cell death. The relationship depended on the particle size, meaning NP production must meet particle size constraints for desire function.

Reference

Gajjar, P., Pette, B., Britt, D. W., Huang, W., Johnson, W. P. & Anderson, A. J. (2009) Antimicrobial acitivitis of commercial nanoparticles against an environmental soil microbe, Pseudomonas putida KT2440. Journal of Biological Engineering, 3(9). DOI:10.1186/1754-1611-3-9