Formulation of water-dispersible nanopermethrin for larvicidal applications

C. H. Anjali, S. Sudheer Khan, Katrin Margulis-Goshen, Shlomo Magdassi, Amitava Mukherjee, N. Chandrasekaran*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

148 Scopus citations


The formulation of water dispersible nanopermethrin was investigated for its larvicidal property. Nanopermethrin was prepared using solvent evaporation of oil in water microemulsion, which was obtained by mixing an organic and aqueous phase. The mean particle size of nanodispersion in water was 151±27nm. X-ray diffraction (XRD) of nanopermethrin showed it was amorphous. Larvicidal studies were carried out against Culex quinquefasciatus and the results were compared with bulk permethrin. The LC50 of nanopermethrin to Cx quinquefasciatus was 0.117mg/L. The LC50 of bulk permethrin to Cx quinquefasciatus was 0.715mg/L. Nanopermethrin may be a good choice as a potent and selective larvicide for Cx. quinquefasciatus.

Original languageAmerican English
Pages (from-to)1932-1936
Number of pages5
JournalEcotoxicology and Environmental Safety
Issue number8
StatePublished - Nov 2010


  • Bulk permethrin
  • Cx. quinquefasciatus
  • LC
  • Larvicidal
  • Nanopermethrin


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