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首页> 外文期刊>Transactions of the Royal Society of Tropical Medicine and Hygiene >Deltamethrin and permethrin residue on long-lasting insecticidal nets after 18 months of use in a visceral leishmaniasis-endemic area in Nepal
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Deltamethrin and permethrin residue on long-lasting insecticidal nets after 18 months of use in a visceral leishmaniasis-endemic area in Nepal

机译：在尼泊尔内脏利什曼病流行地区使用18个月后长效杀虫网上残留的溴氰菊酯和苄氯菊酯

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摘要

The insecticide residue on two types of long-lasting insecticidal nets (LLIN), Olyset Net and PermaNet 2.0, used in a visceral leishmaniasis-endemic village in eastern Nepal was quantified using HPLC. After two washes during 18 months of use the mean insecticide residues on PermaNet 2.0 and Olyset Net were 53.5mg/m 2 (97.3% of the target dose) of deltamethrin and 911.8mg/m 2 (91.2% of the target dose) of permethrin, respectively. These residues were close to the insecticide loads specified by the manufacturers of the two LLINs. The use of LLINs has been postulated as an alternative or complementary method to indoor residual spraying. Our results suggest that LLINs should be washed 4-5 times each year throughout their lifespan by specifically requesting villagers to wash nets on certain dates. The insecticide residue on the nets and their bioefficacy against sand fly vectors should be monitored after each wash, in various cultural settings, to assess their durability and long-term retention of the insectide.
机译：使用高效液相色谱法对尼泊尔东部内脏利什曼病流行地方使用的两种长效杀虫网（LLIN）（Olyset网和PermaNet 2.0）上的杀虫剂残留进行了定量。在使用18个月期间进行两次清洗后，PermaNet 2.0和Olyset Net上的平均杀虫剂残留量为溴氰菊酯53.5mg / m 2（目标剂量的97.3％）和苄氯菊酯911.8mg / m 2（目标剂量的91.2％） ， 分别。这些残留物接近两个LLIN制造商指定的杀虫剂负荷。假定使用LLIN作为室内残留喷涂的替代或补充方法。我们的结果表明，应特别要求村民在特定日期洗网，因此在整个生命周期中每年应对LLIN进行4-5次洗涤。每次洗涤后，应在各种养殖环境下监测网上的杀虫剂残留及其对沙蝇媒介的生物效力，以评估其耐用性和对杀虫剂的长期保留。

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