Medical Research Council - London Institute of Medical Sciences

is the new name of the MRC Clinical Sciences Centre

BPoD is 5

In 2017 we celebrate five years of bringing you beautiful imagery from biomedical science

High-tech Gel
04 May 2017

High-tech Gel

The yellow rubbery gel between the thigh and shin bone of this model knee (shown at different angles) may not be an aesthetically dazzling material, but it is a beautiful example of what can be achieved by combining two novel yet disparate technologies – hydrogel synthesis and 3D printing. Together the techniques have been used to create a synthetic meniscus – the cartilage that cushions the knee. The hydrogel (a mixture of polymers and water) has been specially engineered to be biocompatible, to mimic the strength and elasticity of human cartilage, and to be 3D printable – it can flow through a print nozzle like liquid, but then hardens allowing desired shapes to be built up in layers. The hope is that such synthetic cartilage could be printed on demand to the exact shape of a patient’s knee in which the cartilage is damaged – a common problem – thus providing a tailored, comfortable fit.

Written by Ruth Williams

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BPoD stands for Biomedical Picture of the Day. Managed by the MRC London Institute of Medical Sciences (the new name for the MRC Clinical Sciences Centre) the website aims to engage everyone, young and old, in the wonders of biomedicine. Images are kindly provided for inclusion on this website through the generosity of scientists across the globe.

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