Skip to main content

Table 4 Chemical analysis of insecticide on nets

From: Efficacy of interceptor® G2, a long-lasting insecticide mixture net treated with chlorfenapyr and alpha-cypermethrin against Anopheles funestus: experimental hut trials in north-eastern Tanzania

Trial Type of LLIN and wash treatment Alpha-cypermethrin content (g/kg) Chlorfenapyr content (g/kg)
Before washing* After washing Retention (%) After trial Before washing* After washing Retention (%) After trial
1 Interceptor G1 0 wash - - - 3.63 - - - -
  Interceptor G1 20 washes - 1.86 - 2.80 - - - -
  Interceptor G2 0 wash - - - 2.12 - - - 3.93
  Interceptor G2 20 washes - 2.24 - 1.86 - 3.93 - 2.46
  Chlorfenapyr CTN 0 wash - - - - - - - 6.29
2 Interceptor G1 0 wash 5.55 5.37 - 5.18 - - - -
  Interceptor G1 20 washes 5.38 1.59 30% 1.52 - - - -
  Interceptor G2 0 wash 2.81 2.77 - 2.85 5.22 5.12 - 5.08
  Interceptor G2 20 washes 2.79 1.65 59% 1.75 5.18 1.66 32% 1.79
  Chlorfenapyr CTN 0 wash - - - - 4.68 3.18 - 3.80
  1. * No individual samples were cut from nets pre-washing in the first trial