The bactericidal effect of silver nanoparticles

Nanotechnology celebrates 25 years in an interview with the author of one of the most cited and downloaded papers: ‘The bactericidal effect of silver nanoparticles’. Published in 2005, it demonstrated that the effect of silver nanoparticles on Gram-negative bacteria was size dependant.

Miguel Jose Yacaman, from the University of Texas, San Antonio, talks about the motivation behind the paper and the impact it has had on further research. The paper is available on line at


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