| 利用有机改性的类水滑石缓释阿维菌素 |
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| 引用本文： | 仇德朋 a,李永海 a,付西英 a,姜真 a,赵新燕 a,王恬 a,侯万国 a,b. 利用有机改性的类水滑石缓释阿维菌素[J]. 中国化学, 2009, 27(3): 445-451. DOI: 10.1002/cjoc.200990073 |
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| 作者姓名： | 仇德朋 a 李永海 a 付西英 a 姜真 a 赵新燕 a 王恬 a 侯万国 a b |
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| 作者单位： | a山东大学胶体与界面化学教育部重点实验室,济南 250100 ;b青岛科技大学化学与分子工程学院,青岛266042 ; |
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| 摘 要： | 采用蒸发溶剂促进插层(evaporating solvent enhanced intercalation)的方法把农药阿维菌素(Avermectin, AVM)插层到十二烷基硫酸钠(SDS)改性的类水滑石(Hydrotalcite-like compound, HTlc)层间,合成了AVM-SDS-HTlc纳米杂化物。研究发现其能够很好的控制阿维菌素的释放,表明AVM-SDS-HTlc纳米杂化物是一种很有潜力的农药控释剂型。AVM-SDS-HTlc纳米杂化物的释放受pH、温度和电解质的影响,酸性介质、较高温度以及有电解质存在会提高其缓释速率。释放过程符合准一级释放动力学,释放的活化能为279 kJ/mol。
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| 关 键 词： | 阿维菌素 类水滑石 纳米杂化物 控释剂 农药 |
| 收稿时间： | 2008-06-20 |
| 修稿时间： | 2008-09-16 |
Controlled‐release of Avermectin from Organically Modified Hydrotalcite‐like Compound Nanohybrids |
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| Depeng QIU,Yonghai LI,Xiying FU,Zhen JIANG,Xinyan ZHAO,Tian WANG,Wanguo HOU. Controlled‐release of Avermectin from Organically Modified Hydrotalcite‐like Compound Nanohybrids[J]. Chinese Journal of Chemistry, 2009, 27(3): 445-451. DOI: 10.1002/cjoc.200990073 |
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| Authors: | Depeng QIU Yonghai LI Xiying FU Zhen JIANG Xinyan ZHAO Tian WANG Wanguo HOU |
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| Affiliation: | 1. Key Laboratory for Colloid and Interface Chemistry of the Ministry of Education, Shandong University, Jinan, Shandong 250100, China;2. College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, Shandong 266042, China;3. Tel.: 0086‐0531‐88564750;4. Fax: 0086‐0531‐88564750 |
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| Abstract: | The intercalation of avermectin (AVM) into sodium dodecyl sulfate (SDS) modified hydrotalcite‐like compounds (HTlc) was carried out using an evaporating solvent enhanced intercalation method to obtain AVM‐SDS‐HTlc nanohybrids. It was found that the nanohybrids could well control the release of avermectin, showing the nanohybrids are a potential pesticide controlled‐release formulation. The release of avermectin from AVM‐SDS‐HTlc nanohybrids is dependent on the pH, temperature and the presence of electrolyte in release medium. Acidic medium and higher temperature and the presence of electrolytes may induce the higher release rate of avermectin. The release process of avermectin from AVM‐SDS‐HTlc nanohybrids can be described by pseudo‐first‐order release kinetics, and the activation energy of release is 279 kJ/mol. |
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| Keywords: | avermectin hydrotalcite‐like compound nanohybrid controlled release formulation pesticide |
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