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A core-shell structured nanocomposite material for detection, adsorption and removal of Hg(II) ions in water

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成果类型:
期刊论文
作者:
Li, Le;Tang, Shuangyang;Ding, Dexin*;Hu, Nan;Yang, Shengyuan;...
通讯作者:
Ding, Dexin
作者机构:
[Yang, Shengyuan; Tan, Yan; He, Shuya; Li, Le] Univ S China, Sch Publ Hlth, Hengyang 421001, Peoples R China.
[Tang, Shuangyang] Univ S China, Coll Med, Hengyang 421001, Peoples R China.
[Ding, Dexin; Li, Le; Hu, Nan; Sun, Jing; Wang, Yongdong] Univ S China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.
[Yang, Shengyuan] Hunan Univ, Coll Chem & Chem Engn, State Key Lab Chemo Biosensing & Chemometr, Changsha 410082, Hunan, Peoples R China.
通讯机构:
[Ding, Dexin] U
Univ S China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.
语种:
英文
关键词:
Adsorption/desorption;Amorphous silica;Core shell structure;Core-shell;Hg ions;High sensitivity;IR spectrum;Magnetic force;Outer shells;Superparamagnetic behavior;XRD;Adsorption;Composite materials;Error detection;Ions;Nanocomposites;Nanomagnetics;Nanoparticles;Probes;Pyrene;Removal;Shells (structures);Silica;Solutions;Superparamagnetism;Driers (materials);ion;mercury;nanomaterial;water;adsorption;article;chemistry;isolation and purification;materials testing;methodology;particle size;porosity;ultrafiltration;ultrastructure;water management;water pollutant;Adsorption;Ions;Materials Testing;Mercury;Nanostructures;Particle Size;Porosity;Ultrafiltration;Water;Water Pollutants, Chemical;Water Purification;MLCS;MLOWN
期刊:
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
ISSN:
1533-4880
年:
2012
卷:
12
期:
11
页码:
8407-8414
基金类别:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [50774047]; Scientific Research Foundation of Education Department [10A103]; Department of Science and Technology of Hunan Province [2010GK2025, 2012SK3154]; Department of Education of Hunan Province [11C1078]
机构署名:
本校为第一且通讯机构
院系归属:
核资源工程学院
医学院
公共卫生学院
摘要:
In this paper, a core-shell structured nanocomposite material was prepared for the detection, adsorption and removal of Hg(II) ions in aqueous solution. The core was made from Fe3O4 nanoparticles with superparamagnetic behavior and the outer shell was made from amorphous silica modified with pyrene-based sensing-probes. The material could detect and adsorb Hg(II) ions in aqueous solution due to its surface being modified with pyrene-based sensing-probes, and could easily be removed from the solution by magnetic force because of its core being m...

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