Novel agrochemical conjugates with self-assembling behaviour

Journal of Colloid and Interface Science
Qingtao LiuBen J Boyd

Abstract

That conjugation of agrichemicals to pro-assembly hydrophobic moieties will enable enhanced compatibility and loading with host lyotropic liquid crystalline carrier matrix, and potentially self-assemble in their own right in aqueous environments. A series of lipid-like agrochemical-conjugates were synthesized using specific amphiphilic entities conjugated onto the agrochemicals, picloram and 2,4-dichlorophenoxyacetic acid (2,4-D). The self-assembly behaviour and compatibility of the novel entities when incorporated into phytantriol and monoolein-based liquid crystalline systems were examined using small angle X-ray scattering, cryo-TEM and polarized optical microscopy. Compared to agrochemical-conjugates with simple alkyl ester groups, the esterification of the agrochemicals with amphiphilic groups such as phytantriol and monoolein led to greater structural compatibility and consequently a greater loading of the agrochemicals in the liquid crystalline systems without destabilizing phase structure. Picloram-monoolein and picloram-monoelaidin can self-assemble to form lamellar structures in water. However, certain agrochemical-conjugates such as picloram-monoelaidin and picloram-PEGn-oleate showed poor compatibility with liquid c...Continue Reading

References

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Apr 7, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Yao-Da DongBen J Boyd
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Aug 15, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·Yao-Da DongBen J Boyd
Feb 21, 2013·ACS Applied Materials & Interfaces·Pavani P NadimintiDavid M Cahill
Sep 26, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Hanne EvenbrattSven Engström
Oct 12, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Qingtao LiuBen J Boyd

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Citations

Nov 23, 2018·Journal of Nanobiotechnology·Pavani P NadimintiDavid M Cahill
Oct 24, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Aurélien TiduSamuel Guillot

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