5 February 2012: Have something to say about an article you’ve read on Chemistry World this week? Leave your comments below…

Instant ecstasy detector
A probe to reveal the active ingredient in ecstasy tablets for quick detection

Molecule mimics molybdenum catalyst
Analogue of hydrogen-evolving catalyst will help to study how it works and how to improve its efficiency

Polyrotaxanes zip themselves up
The power of pi stacking overcomes entropy and links up polyrotaxanes with high yields

A new generation of tuberculosis drugs
Antibacterial drugs that can discriminate between human and bacterial enzymes to target TB

Pressurising red blood cells for information
A microfluidic device that can distinguish between stages of malarial infection

Tiny pump senses chemical changes and acts
A polymer pump that works better the more it breaks could deliver drugs or detect disease

Obama urged to cut FDA ties with Monsanto
Petition pressing President Obama to oust FDA’s Deputy Commissioner for Foods goes viral, garnering over 380,000 signatures

DNA walker strides towards the light
Nucleic acid machines powered by light could one day transport cargo or help synthesise novel nanomaterials

Treating hospital wastewater
Bioreactors could be part of the solution to the problem of drugs entering the water supply

Nano-welding with a light touch
Researchers weld nanowires using just white light as a route to simplify electronics manufacturing

10 out of 10 for boron’s coordinated effort
Chemists create a boron compound with the most coordination linkages ever seen in a planar species

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