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Browsing by Subject "Nanotoxicity"

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Aquatic toxicity effects and risk assessment of ‘Form Specific’ product-released engineered nanomaterials

Author: Lehutso, Raisibe F ; Wesley-Smith, J ; Thwala, Melusi Date: Nov 2021 The study investigated the toxicity effects of ‘form specific’ engineered nanomaterials (ENMs) and ions released from nano-enabled products (NEPs), namely sunscreens, sanitisers, body creams and socks on Pseudokirchneriella subcapitata, ... Read more
How water chemistry determines the risk of metallic engineered nanoparticles in aquatic ecosystems: nAg and nZnO case study

Author: Thwala, Melusi ; Musee, N ; Sikhwivhilu, L ; Wepener, V Date: Sep 2013 The dispersion of nAg and nZnO engineered nanoparticles (ENPs) in water was investigated through the dissolution and agglomeration analysis over a 14 days exposure period. Before testing, the ENPs were in the nanoscale: 40-60 and 10-130 nm ... Read more
Nanopollutants, their effects on the environment, and potential impacts on the South African water treatment and supply infrastructure

Author: Roux, SP Date: Nov 2008 Nanotechnology research and development is rapidly expanding into a full-scale industry that includes building materials, automotive parts, sports equipment and consumer products. This technology promises significant technological advantages, ... Read more
The oxidative toxicity of Ag and ZnO nanoparticles towards the aquatic plant Spirodela punctuta and the role of testing media parameters: Conference paper

Author: Thwala, Melusi ; Musee, N ; Sikhwivhilu, L ; Wepener, V Date: Aug 2013 The toxicity effects of silver (nAg) and zinc oxide (nZnO) engineered nanoparticles (ENPs) on the duckweed Spirodela punctuta were studied to investigate the potential risks posed by these ENPs towards higher aquatic plants. The influence of ... Read more

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Browsing by Subject "Nanotoxicity"

Browsing by Subject "Nanotoxicity"

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