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Table 1 Residual analysis of deltamethrin (DET) and alpha-cypermethrin (ACP) at different wash cycles

From: Development of insecticide-impregnated polyester/cotton blend fabric and assessment of their repellent characteristics against Cimex lectularius and dengue vectors Aedes albopictus and Aedes aegypti

Wash cycle

Insecticide content in mg/g of fabric (n = 6)

DET

ACP

Zero wash

22.0 ± 3.1

9.1 ± 1.1

1st wash

16.1 ± 1.9

8.4 ± 0.6

2nd wash

14.3 ± 4.8

7.7 ± 1.6

5th wash

13.7 ± 2.7

7.5 ± 1.7

10th wash

11.9 ± 1.3

6.5 ± 0.4

20th wash

03.1 ± 1.0

5.4 ± 0.8

  1. Results are expressed in terms of mean ± standard deviation (n = 6)