Overall, there are few reliable data available on the intake and the risk posed by platinum nanoparticles to environmental organisms.

 

It is known that different microorganisms are capable of producing nanoparticles directly from platinum salts [1]. As part of the INOS project a low toxicity of platinum nanoparticles towards gill cells of rainbow trout was found [2]. However, the platinum particles used herein were only poorly characterised [2]. In particular, there was no reliable information on the concentration, and impurities in the platinum particles suspension. Exposure to platinum nanoparticles slowed down the heartbeat of zebrafish embryos and led to a delayed hatching of fish from the eggs [3]. This may indicate a retarded embryonic development.

 

In summary, platinum nanoparticles have not yet been studied extensively enough to carry out an evaluation of their effect on environmental organisms. However, there are preliminary indications that they might cause negative effects on organisms.

 

Literatur arrow down

  1. Konishi, Y et al. (2007), J Biotechnol, 128(3): 648-653.
  2. INOS Scientific Reports (see Publications of the Project INOS)
  3. George, S et al. (2011), ACS Nano, 5(3): 1805-1817.

 

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