Monochlorotriazinyl-β -cyclodextrin (MCT-β -CD) was fixed permanently onto the surface of cotton fabrics. The fixed MCT-β -CD form inclusion complexes with insecticides (permethrin and bioallethrin). MCT-β -CD-finished cotton fabrics loaded with insecticides are effective in reducing malaria morbidity and mortality due to effective personal protection against mosquitoes. Bioassays show that the treated fabrics have fast action against mosquitoes at the range of concentrations studied. The toxic activity of the treated fabrics increased by increasing the insecticide concentration in the treated fabrics, and also increased by increasing the exposure times. The results show that there are great losses of the effective insecticides in control samples by washing, whereas treated fabrics retain a high level of insecticides.
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Abdel‐Mohdy et al. (2009) studied this question.
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