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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