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- Title
Longer mosquito control using a sodium alginate–chitosan nanocarrier for cinnamaldehyde in larvicide formulations.
- Authors
Wong, S. T. S.; Kamari, A.; Jaafar, A. M.; Hussein, M. Z.; Othman, H.; Abdullah, H.; Yusof, N.; Hashim, N.
- Abstract
The proliferation of mosquito-borne diseases is a major health concern worldwide. An effective strategy to prevent the transmission of mosquito-borne diseases is using larvae control. Cinnamaldehyde, a substance from the cinnamon tree, is widely used in larvicide formulations, yet applications are limited due to the poor water solubility of cinnamaldehyde. Therefore, we prepared a sodium alginate–chitosan nanocomposite as a nanocarrier of cinnamaldehyde, and we tested the effect of this encapsulated cinnamaldehyde on Aedes aegypti larvae. The nanocomposites/cinnamaldehyde formulations were characterised by Fourier transform infrared spectroscopy and nuclear magnetic resonance, which evidenced encapsulation. A ratio of 150:1 w/w nanocomposite/cinnamaldehyde induced the highest encapsulation efficiency of 95.25%, a loading capacity of 81.42%. This extended the cinnamaldehyde release by 28 h and controlled mosquito larvae.
- Subjects
NUCLEAR magnetic resonance spectroscopy; MOSQUITO control; SODIUM alginate; FOURIER transform infrared spectroscopy; AEDES aegypti; CINNAMON tree
- Publication
Environmental Chemistry Letters, 2020, Vol 18, Issue 4, p1345
- ISSN
1610-3653
- Publication type
Article
- DOI
10.1007/s10311-020-00993-z