Author:Thwala, Melusi; Musee, N; Wepener, V; Nota, NDate:Apr 2012The toxicity of engineered nanoparticles towards macro algae and higher aquatic plants has not been well studied. This knowledge gap challenges the development of nano risk assessment towards water ecosystems. In this study, we investigated ...Read more
Author:Thwala, Melusi; Musee, N; Wepener, VDate:Sep 2012The authors present evidence of free radical activity and resultant anti-oxidative defence in Spirodela plants after exposure to 0.01-1000 mg/L of ZnO and Ag nanoparticles (NPs) over 96-h and 14-d. The quantification of reactive nitrogen and ...Read more