Japanese researchers have created a supramolecule that binds to cyanide ions in a similar way to the blood protein haemoglobin. This could pave the way for faster, more effective cyanide antidotes.

The supramolecule mimics the structure of haemoglobin (below) with iron(III) at it's centre
CREDIT© Wiley-VCH


http://www.rsc.org/chemistryworld/2013/05/haemoglobin-mimic-mops-cyanide-poisoning