Surfactant-modified flowerlike layered double hydroxide-coated magnetic nanoparticles for preconcentration of phthalate esters from environmental water samples
文献类型：期刊论文
| 作者 | Zhao, Xiaoli; Liu, Shuangliu; Wang, Peifang; Tang, Zhi; Niu, Hongyun; Cai, Yaqi; Wu, Fengchang; Wang, Hao; Meng, Wei; Giesy, John P. |
| 刊名 | JOURNAL OF CHROMATOGRAPHY A
 |
| 出版日期 | 2015-10-02 |
| 卷号 | 1414页码:22-30 |
| 关键词 | Magnetic layered double hydroxide Solid-phase extraction Magnetic Mixed hemimicelles Surfactants Concentration |
| 英文摘要 | A novel type of layered, flowerlike magnetic double hydroxide (MLDH) nanoparticles modified by surfactants has been successfully synthesized and was applied as an effective sorbent for pre-concentration of several phthalate ester pollutants (PAEs) from water prior to quantification. The MLDH was obtained via a simple ultrasound-assisted method by using silica coated Fe3O4 as the core and anisotropic Mg-Al layered double hydroxide (Mg-Al LDH) nanocrystals as the shell to which analytes were absorbed. Orientation and dimensionality hierarchical structure as well as the large expandable interlayer free space and positive charge of the Mg-Al LDH shell make it easier to form anionic surfactant micelles on its surface via self-assembly. Due to its high adsorption area, compared with non-mesoporous nano solid-phase extraction agents, mesoporous channel shell and reduction diffusion path, MLDH exhibited high extraction efficiency of organic target residues. Under optimized conditions, with a total of 30 mg of adsorbant added to from samples containing 400 mL water from the environment recoveries of DPP, DBP, DCP and DOP were consistent with ranges of 69-101%, 79-101%, 86-102% and 63-100%, respectively. Standard deviations of recoveries ranged from 1 to 7%, respectively and the method was sensitive with limits of detection of 12.3, 18.7, 36.5 and 15.6 ng L-1. To the best of our knowledge, this is the first report of use of surfactant-modified MLDH nanoparticles and its application as adsorbent to pre-concentration of PAEs from environmental water samples prior to instrumental analyses. (C) 2015 Elsevier B.V. All rights reserved. |
| 研究领域[WOS] | Biochemical Research Methods ; Chemistry, Analytical |
| WOS记录号 | WOS:000361775200003 |
| 公开日期 | 2016-03-15 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/32672]  |
| 专题 | 生态环境研究中心_环境化学与生态毒理学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Zhao, Xiaoli,Liu, Shuangliu,Wang, Peifang,et al. Surfactant-modified flowerlike layered double hydroxide-coated magnetic nanoparticles for preconcentration of phthalate esters from environmental water samples[J]. JOURNAL OF CHROMATOGRAPHY A,2015,1414:22-30. |
| APA | Zhao, Xiaoli.,Liu, Shuangliu.,Wang, Peifang.,Tang, Zhi.,Niu, Hongyun.,...&Giesy, John P..(2015).Surfactant-modified flowerlike layered double hydroxide-coated magnetic nanoparticles for preconcentration of phthalate esters from environmental water samples.JOURNAL OF CHROMATOGRAPHY A,1414,22-30. |
| MLA | Zhao, Xiaoli,et al."Surfactant-modified flowerlike layered double hydroxide-coated magnetic nanoparticles for preconcentration of phthalate esters from environmental water samples".JOURNAL OF CHROMATOGRAPHY A 1414(2015):22-30. |
入库方式： OAI收割
来源：生态环境研究中心
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