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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kamari, A. Aljafree, N. F. A. Yusoff, S. N. M. |
| Copyright Year | 2016 |
| Abstract | Rotenone is an active ingredient that has been widely used as pesticide. However, rotenone is poorly soluble in water. Therefore, a water-soluble carrier is needed. Here, we synthesised, characterised and applied oleoyl-carboxymethyl chitosan for the first time as a carrier agent for rotenone. Oleoyl-carboxymethyl chitosan is soluble in acidic, neutral and basic media. The critical micelle concentration of oleoyl-carboxymethyl chitosan is 0.096 mg/mL. Oleoyl-carboxymethyl chitosan formed self-aggregates and exhibited spherical shape with the values of 35.5–66.4 nm. We studied the encapsulation efficiency and loading capacity of oleoyl-carboxymethyl chitosan micelles with different weight ratios of oleoyl-carboxymethyl chitosan to rotenone. We found an encapsulation efficiency of 97 % and a loading capacity of 0.97 % for oleoyl-carboxymethyl chitosan/rotenone 100:1 w/w. Oleoyl-carboxymethyl chitosan released 96.00 % of the rotenone loaded within 50 h. Overall, our findings show the feasibility of oleoyl-carboxymethyl chitosan as a novel water-solubilising agent for pesticide formulations. |
| Starting Page | 417 |
| Ending Page | 422 |
| Page Count | 6 |
| File Format | |
| ISSN | 16103653 |
| Journal | Environmental Chemistry Letters |
| Volume Number | 14 |
| Issue Number | 3 |
| e-ISSN | 16103661 |
| Language | English |
| Publisher | Springer International Publishing |
| Publisher Date | 2016-02-11 |
| Publisher Place | Cham |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Oleoyl-carboxymethyl chitosan Rotenone Carrier agent Micelles Encapsulation efficiency Loading capacity Environmental Chemistry Ecotoxicology Pollution Analytical Chemistry Geochemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry |
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