Impact of Carbon Nano-Onions on Hydra vulgaris as a Model Organism for Nanoecotoxicology.

ABSTRACT: The toxicological effects of pristine and chemically modified carbon nano-onions (CNOs) on the development of the freshwater polyp Hydra vulgaris were investigated in order to elucidate the ecotoxicological effects of CNOs. Chemical modifications of the CNOs were accomplished by surface functionalization with benzoic acid, pyridine and pyridinium moieties. thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT-IR) and Raman spectroscopy confirmed the covalent surface functionalization of CNOs. Hydra specimens were exposed to the carbon nanomaterials by prolonged incubation within their medium. Uptake was monitored by optical microscopy, and the toxicological effects of the CNOs on Hydra behavior, morphology, as well as the long-term effects on th

SUBMITTER: Marchesano V 

PROVIDER: S-EPMC5304644 | biostudies-literature | 2015 Aug

REPOSITORIES: biostudies-literature