Insecticide coating effective against mosquitoes
In experiments, the coating killed off many more mosquitoes than usual.
Dutch researchers, writing in Proceedings of the National Academy of Sciences, say this could help control diseases such as malaria.
It is thought that water-based spray insecticides and bed nets, which often contain low levels of insecticide, don't always kill the mosquitoes, allowing them to develop resistance.
In this study, researchers from the Netherlands used a charged surface, originally developed for trapping airborne pollen, and applied insecticide to it.
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