Effect of the presence of aquatic humic substances on the toxicity of chitosan/tripolyphosphate nanoparticles containing paraquat - Grillo, Renato [UNESP]; Clemente, Zaira; Chalupe, Victor; Jonsson, Claudio; Lima, Renata; Sanches, Gabriela; Nishisaka, Caroline; Oehlke, Kathleen; Greiner, Ralf; Fraceto, Leonardo [UNESP] (Elsevier B.V., 2014)