(A study involving tobacco plants exposed to varying levels of aluminum oxide nanoparticles reveals troubling growth issues. -ed)
Effects of Aluminum Oxide Nanoparticles on the Growth, Development, and microRNA Expression of Tobacco (
"In this experiment, aluminum oxide nanoparticles affect the amount of leaves three week old tobacco seedlings have"
"aluminum oxide nanoparticles have a negative effect on the growth and development of three week old tobacco seedling leaves."
(Image at right from Abstract)
For more on this study: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0034783