Environ Pollut 2013 Jul 01;178:498-502. doi: 10.1016/j.envpol.2013.03.010.

Silver nanoparticle toxicity in sea urchin Paracentrotus lividus.

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Silver nanoparticles (AgNPS) are an important model system for studying potential environmental risks posed by the use of nanomaterials. So far there is no consensus as to whether toxicity is due to AgNPs themselves or Ag(+) ions leaching from their surfaces. In sea urchin Paracentrotus lividus, AgNPs cause dose dependent developmental defects such as delayed development, bodily asymmetry and shortened or irregular arms, as well as behavioural changes, particularly in swimming patterns, at concentration ∼0.3 mg/L AgNPs. It has been observed that AgNPs are more toxic than their equivalent Ag(+) ion dose.

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Genes referenced: LOC100887844