Novel amphiphilic chitosan derivatives: Synthesis, characterization and micellar solubilization of rotenone

Lao, Shuibing; Zhang, Zhixiang; Xu, Hanhong; Jiang, Gang‐Biao

doi:10.1016/j.carbpol.2010.06.044

Cited by 105 publications

(42 citation statements)

References 31 publications

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“…These results demonstrate that molecular modifications can be used to design effective systems for the delivery and release of agrochemicals. Besides this, amphiphilic derivative of chitosan, N-(octadecanol-1-glycidyl ether)-O-sulfate chitosan has been evaluated as a carrier for the insecticide rotenone [60]. The polymeric micelles formed were spherical, with a size range of between 167 and 204 nm, and the nanoparticles were formed by self-assembly in aqueous solution.…”

Section: Pesticide Delivery For Crop Protectionmentioning

confidence: 99%

Chitosan nanoparticle based delivery systems for sustainable agriculture

Kashyap

Xiang

Heiden

2015

International Journal of Biological Macromolecules

598

228

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Section: Pesticide Delivery For Crop Protectionmentioning

confidence: 99%

Chitosan nanoparticle based delivery systems for sustainable agriculture

Kashyap

Xiang

Heiden

2015

International Journal of Biological Macromolecules

598

228

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“…Rotenone, a water-soluble botanical insecticide used to control aphids, thrips, and acari from decades; however, its effective utilization has limited due to its poor water solubility, stability, degradation, and isomerization when exposed to sunlight. Lao et al (2010) synthesized nanoparticles by loading rotenone into a nanoparticle increasing their effectiveness by several times than free rotenone in water-soluble one. It is high time, therefore, that leading chemical companies to focus on formulation of nanoscale pesticides for delivery into the target host tissue through nanoencapsulation.…”

Section: Nanoparticles-a Revolution In Futurementioning

confidence: 99%

Nanomaterials: A Review of Their Action and Application in Pest Management and Evaluation of DNA-Tagged Particles

Chandrashekharaiah

Kandakoor

Gowda

et al. 2015

New Horizons in Insect Science: Towards Sustainable Pest Management

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Nanotechnology, a new field of research, prompted scientists to work on a wide range of aspects. Nanoparticles relating to pest management include formulation for herbicides and pesticides. The potential uses of nanotechnology in insect-pest management include the slow release, efficient dosage of insecticides, and provide diagnostic tools for early detection. Application of nanaoparticles also includes development of nanodispensers, nanogels, and nanocapsules. Effects of different inorganic nanoparticles against selected insects were evaluated under laboratory conditions. DNA-tagged nanogold caused 30.50, 57.50, and 75.00 % mortality on third, fourth, and fifth instar Spodoptera litura larvae, respectively. CdS nanoparticle caused highest S. litura larval mortality of 21.41-93.79 % at 150 and 2400 ppm, respectively. The nano-TiO2 showed maximum of 73.79 % S. litura larval mortality at 2400 ppm and the least was 18.50 % at 150 ppm. Nano-Ag caused maximum 56.89 % S. litura mortality at 2400 ppm followed by 46.89 and 33.44 % mortality at 1200 and 600 ppm, respectively. Nanoparticles coated with ecdysteroid analogues like tebufenozide and halofenozide were tested against Corcyra cephalonica. The treated eggs did not hatch due to arrest of embryonic development. Tebufenozide and halofenozide caused maximum larval mortality at 80 ppm. These two compounds at 80 ppm reduced fecundity and fertility in adults. Tebufenozide against Helicoverpa armigera larvae reduced the larval weight. Tebufenozide at 5.00 ppm was reduced the larval weight significantly (14.23 ± 1.43 and 112.35 ± 0.29, respectively) compared to control. Histopathological effects of tebufenozide at the light microscopic level showed vacuolation and inhibition of imaginal buds. At electron microscopic level,

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“…Cellular uptake of negatively charged CBPMs (produced through grafting a negatively charged hydrophilic group like carboxy methyl (42,48) or sulfate (49) to CHI prior to hydrophobic modification), further proves that in addition to zeta potential, there are several other factors which affect micelles interactions with the target cells. Mekhail et al reported a high amount of uptake of sulfated stearoyl CHI micelles by MCF 7 and HCT 116 cells (50).…”

Section: Experimental Characterization Of Micellesmentioning

confidence: 97%