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Table 5 Chemical analysis of alpha-cypermethrin on the Interceptor LN and CTN before and after washing and at the end of the experimental hut trial

From: Evaluation of the long-lasting insecticidal net Interceptor LN: laboratory and experimental hut studies against anopheline and culicine mosquitoes in northeastern Tanzania

Treatment Concentration of alpha-cypermethrin (mg/m2± std dev)
  Before washing After washing After hut trial
Untreated net - - 0
Interceptor LN unwashed 147 ± 2 - 140 ± 5
Interceptor washed 20 times 132 ± 4 41 ± 5 36 ± 3
Interceptor washed 30 times - 21 ± 1 21 ± 1
CTN washed 20 times 144 ± 17 1.2 ± 0.4 1.0 ± 0.6