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Harmonious shells

Life Science

Coral landscapes can be re-generated with the help of probiotics. Using the body’s stem cells for bone grafts sometimes leads to complications or disease transmission.

But the alternative – so-called xenograft materials from mammalian tissue – is both ethically and environmentally problematic.

Which explains why a research team from Oslo has developed a sustainable solution, using eggshells.

As well as calcium and phosphorus these also contain magnesium and strontium, which stimulate bone regeneration.

Using a special method, the shells were freed from endotoxins (bacterial waste) and converted into calcium-phosphate particles.

During lab tests, the particles interacted well with the body’s bone-growing cells and immune system.

High-frequency sound waves support an alternative method, while eggshells can also be used in the construction industry.

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