Alginate-Polymer-Caged, C-18-Functionalized Magnetic Titanate Nanotubes for Fast and Efficient Extraction of Phthalate Esters from Water Samples with Complex Matrix

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 环境化学与生态毒理学国家重点实验室

	Alginate-Polymer-Caged, C-18-Functionalized Magnetic Titanate Nanotubes for Fast and Efficient Extraction of Phthalate Esters from Water Samples with Complex Matrix
	Niu, Hongyun; Zhang, Shengxiao; Zhang, Xiaole; Cai, Yaqi
刊名	ACS APPLIED MATERIALS & INTERFACES
	2010-04
卷号	2 期号:4 页码:1157-1163
关键词	Fe3O4-titanate nanotube composite alginate polymer cage humic acid phthalate esters environmental water samples
中文摘要	The magnetic titanate nanotube (Fe3O4-TN composite) was prepared and functionalized with C-18 groups and then coated by a hydrophilic alginate polymer cage. This material (ALG@C-18-Fe3O4-TN) exhibited the properties of large surface area, superparamagnetism, high adsorption ability, and good dispersibility in water. ALG@C-18-Fe3O4-TNs possessed high extraction efficiency to phthalate esters di-n-propyl-phthalate (DPP), di-n-butyl-phthalate (DBP), dicyclohexyl-phthalate (DCP), and di-n-octyl-phthalate (DOP). The dispersed adsorbents in solution could be collected with an external magnetic field within 10 min. The extraction could be conducted under some extreme conditions such as high salinity, acid or alkali solution or humic acid-rich samples without the decrease in extraction efficiency. In the presence of 100 mg L-1 humic acid (11 As), the recoveries of analytes were not affected at pH >6, and decreased recoveries of DPP and DCP were observed only in acid solution. Potential analysis and comparison study with the biphthalate acid or n-decanoic acid-rich matrix indicated that the anti-interference ability of adsorbents to HAs mainly resulted from the repulsion interaction and size exclusion provided by alginate cage to HAS. Under the optimized conditions, ALG@C-18-Fe3O4-TNs were used to analyze several environmental water samples, a concentration factor of 1000 and detection limits of phthalate esters ranging in 11-46 ng L-1 were achieved, and the recoveries of analytes were in the range of 84-109% for all samples.
WOS记录号	WOS:000277042000033
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/21039]
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	Niu, Hongyun,Zhang, Shengxiao,Zhang, Xiaole,et al. Alginate-Polymer-Caged, C-18-Functionalized Magnetic Titanate Nanotubes for Fast and Efficient Extraction of Phthalate Esters from Water Samples with Complex Matrix[J]. ACS APPLIED MATERIALS & INTERFACES,2010,2(4):1157-1163.
APA	Niu, Hongyun,Zhang, Shengxiao,Zhang, Xiaole,&Cai, Yaqi.(2010).Alginate-Polymer-Caged, C-18-Functionalized Magnetic Titanate Nanotubes for Fast and Efficient Extraction of Phthalate Esters from Water Samples with Complex Matrix.ACS APPLIED MATERIALS & INTERFACES,2(4),1157-1163.
MLA	Niu, Hongyun,et al."Alginate-Polymer-Caged, C-18-Functionalized Magnetic Titanate Nanotubes for Fast and Efficient Extraction of Phthalate Esters from Water Samples with Complex Matrix".ACS APPLIED MATERIALS & INTERFACES 2.4(2010):1157-1163.