Nanostructured liquid crystalline particles as an alternative delivery vehicle for plant agrochemicals

Nadiminti, Pavani P., Dong, Yao D., Sayer, Chad, Hay, Phillip, Rookes, James E., Boyd, Ben J. and Cahill, David M. 2013, Nanostructured liquid crystalline particles as an alternative delivery vehicle for plant agrochemicals, ACS applied materials and interfaces, vol. 5, no. 5, pp. 1818-1826, doi: 10.1021/am303208t.

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Title Nanostructured liquid crystalline particles as an alternative delivery vehicle for plant agrochemicals
Author(s) Nadiminti, Pavani P.
Dong, Yao D.
Sayer, Chad
Hay, Phillip
Rookes, James E.ORCID iD for Rookes, James E.
Boyd, Ben J.
Cahill, David M.ORCID iD for Cahill, David M.
Journal name ACS applied materials and interfaces
Volume number 5
Issue number 5
Start page 1818
End page 1826
Total pages 9
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2013
ISSN 1944-8244
Keyword(s) cubosomes
cuticular waxes
image analysis
Summary Agrochemical spray formulations applied to plants are often mixed with surfactants that facilitate delivery of the active ingredient. However, surfactants cause phytotoxicity and off-target effects in the environment. We propose the use of nanostructured liquid crystalline particles (NLCP) as an alternative to surfactant-based agrochemical delivery. For this, we have compared the application of commercial surfactants, di (2-ethylhexyl) sulfosuccinate and alkyl dimethyl betaine, with NLCP made from phytantriol, at concentrations of 0.1%, 1% and 5% on the adaxial surface of leaves of four plant species Ttriticum aestivum (wheat), Zea mays (maize), Lupinus angustifolius (lupin), and Arabidopsis thaliana. In comparison with the application of surfactants there was less phytotoxicity on leaves of each species following treatment with NLCP. Following treatment of leaves with NLCP analysis of cuticular wax micromorphology revealed less wax solubilization in the monocot species. The results clearly show that there are advantages in the use of NLCP rather than surfactants for agrochemical delivery.
Language eng
DOI 10.1021/am303208t
Field of Research 059999 Environmental Sciences not elsewhere classified
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1 Refereed article in a scholarly journal
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