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How long does graphene oxide stay in your body? 

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The present study shows the timeline of physical and chemical alterations of oxidised carbon nanomaterials, demonstrating a faster degradation of 2D graphene oxide sheets compared to 1D oxidised carbon nanomaterials over 7 days in the presence of an oxidising species. Carbon nanomaterials: graphene oxide degrades rapidly when exposed to hypochloriteOxidised carbon nanomaterials degrade into amorphous structures upon exposure to hypochlorite, a naturally occurring anion in human body.
Importantly, similar to previously reported graphene inhalation data, this short-term nose-only inhalation study found only minimal or unnoticeable graphene oxide toxicity in the lungs and other organs.
The ability to chemically modify graphene oxide to control neurite outgrowth could be implemented clinically, especially in cases wherein long-term presence of outgrowth modulation is necessary.
In striking contrast, graphene oxide is non-toxic for “bulk” cancer cells (non-stem) and normal fibroblasts.
Graphene oxide shows stress-induced toxicity properties in vivo under different pathophysiological conditions.
Besides, graphene oxide has a negative effect on the biological treatment.
It is possible that graphene oxide can cause multigenerational harmful effects.
The experimental results reveal a basis for the research of the application of graphene oxide.
Chronic exposure to digested graphene does not affect intestinal barrier integrity and is not associated with inflammation and cytotoxicity, though possible long-term adverse effects cannot be ruled out.
Thus, methods and agents reducing the toxicity of graphene oxide can widen its practical application.

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