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Toxicity of azo-dyes combined with TiO2 nanoparticles
Journal article   Open access   Peer reviewed

Toxicity of azo-dyes combined with TiO2 nanoparticles

M. Kroath, E. Punz, I.A. Joubert, M. Himly and M. Geppert
Open Schools Journal for Open Science, Vol.3(2)
2020
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Abstract

Azo-dyes are organices compounds frequesntly used for food colring for example in sweets. A characteristic feature of az-=dyes is the axo-group (-N=N) as part of the chromophore. In parallel, nanoparticles (NPs) are more and more used as food additives and this, the encoubter of NPs with azo-dyes is highly likely. In particular, TiO2 NPs are inciroporated into foods under the tearm E171.

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