The diverse toxic effect of SiO2 and TiO2 nanoparticles toward the marine microalgae Dunaliella tertiolecta, Manzo, Sonia, Buono S., Rametta G., Miglietta M., Schiavo S., and Di Francia G. , Environmental Science and Pollution Research, Volume 22, Number 20, p.15941-15951, (2015)