Traffic light signals for biolabelling

Luminescent iridium complex surfactants form spherical aggregates in water, changing from red to green on aggregation, scientists from Germany and Italy have discovered.
The team, led by Luisa De Cola, say that the aggregates have different properties to the single components, and that the change between them could enable this system to be used as a probe for bio-imaging and bio-labelling. Read more in their Hot Article – free to access until the 29th November 2011.

Aggregation induced colour change for phosphorescent iridium(III) complex-based anionic surfactants
Matteo Mauro, Gabriele De Paoli, Matthias Otter, Daniela Donghi, Giuseppe D’Alfonso and Luisa De Cola
Dalton Trans., 2011, DOI: 10.1039/C1DT11251A

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