UNAM creates bone substitute made from waste

By Andrea Hablutzel Pelayo

Bone regeneration from rice husk

Lately there’s been a lot of attention and importance given to agro industrial waste to give them a new use for materials synthesis, in many cases its application is in the biomedical area, so is the case with this bone substitute made from rice husk.

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Specialists from the Applied Science and Technological Development Center from UNAM have created a synthesized material from the ashes of rice husk that can be a substitute from bone.

Out of all of the advantages this material possesses, there’s the fact that it is obtained at a lower temperature than others and that coming from agro industrial waste, medical input costs will be lowered, bettering the cost-benefit.

Miriam Marin Miranda, doctorate student from said Applied Science Center in UNAM, explained that the ashes of the rice husk can obtain a large amount of silicon of almost 95%, as well as other components like calcium, sodium and phosphorus pentoxide.

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If we use the silicon dioxide from the rice husk and only complete what’s missing from the formula, we get a much more economic raw material” pointed out the doctorate student.

This creation is a bioglass that can favor the cell’s work, giving them the structure and components enough for the bone regeneration to happen. If it does work, the substitutes will become permanent because the material gets re absorbed while the cells reconstruct the bone.

A bone substitute like bioglass is one of the most studied to regenerate bone loss from different causes, if it’s either because of disease or accidents. It is fascinating to see how science is taking greener routes; at the end it’s something that will benefit us all.

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