A chameleon cloth that changes colour in response a drop in oxygen concentration could be used to warn of oxygen deficient areas say Chinese scientists.
The colour of the cloth gradually changes from red to purple to blue as the oxygen concentration increases. The light, soft and flexible cotton cloth could be easily included in clothes to make wearable sensors the team say.
Read the full paper for free until 8th December:
Communication: Chameleon clothes for quantitative oxygen imaging
Xu-dong Wang, Ting-yao Zhou, Xin-hong Song, Yaqi Jiang, Chaoyong James Yang and Xi Chen
J. Mater. Chem., 2011, 21, 17651-17653
This paper was also featured in Chemistry World.
– Russell Johnson, Development Editor, Journal of Materials Chemistry