From: Evaluation of Olyset™ insecticide-treated nets distributed seven years previously in Tanzania
3a chemical testing | |||||
---|---|---|---|---|---|
Sample identification | (1) Gembloux, Belgium (WHO Reference Centre) | (2) Sumitomo, Japan | |||
Inside mg/Kg | Surface mg/Kg | Ratio Inside: outside | Total mg/Kg | Total mg/Kg | |
10 | 3225 | 280 | 12 | 3505 | 7200 |
20 | 2486 | 311 | 8 | 2797 | 5900 |
30 | 3671 | 189 | 19 | 3860 | 4800 |
40 | 5833 | 323 | 18 | 6156 | 8300 |
50 | 6170 | 349 | 18 | 6519 | 6700 |
110 | 2228 | 324 | 7 | 2552 | 4200 |
120 | 12422 | 197 | 63 | 12619 | 11700 |
130 | 12297 | 1032 | 12 | 13328 | 12700 |
140 | 5976 | 311 | 19 | 6287 | 8900 |
150 | 8348 | 258 | 32 | 8606 | 10800 |
Average for 10 nets | 6266 | 357 | 18 | 6622 | 8120 |
3b Bio-assay testing | |||||
Sample identification | (3) LIN, Montpellier, France | ||||
KD 60 (%) | Effective mortality (%) | Functional mortality (%) | |||
10 | 100 | 42 | 81 | ||
20 | 98 | 14 | 18 | ||
30 | 100 | 74 | 92 | ||
40 | 95 | 9 | 9 | ||
50 | 100 | 38 | 54 | ||
110 | 24 | 0 | 0 | ||
120 | 100 | 22 | 31 | ||
130 | 100 | 57 | 85 | ||
140 | 100 | 23 | 43 | ||
150 | 100 | 62 | 89 | ||
Average for 10 nets | 92 | 34 | 50 |