Selective Detection of Iron(III) by Rhodamine-Modified Fe3O4 Nanoparticles

被引：228
|
作者：
Wang, Baodui [1 ,2 ]
Hai, Jun [3 ]
Liu, Zengchen [1 ,2 ]
Wang, Qin [3 ]
Yang, Zhengyin [1 ,2 ]
Sun, Shouheng [4 ]
机构：
[1] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Gansu, Peoples R China
[2] Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Gansu, Peoples R China
[3] Lanzhou Univ, Coll Life Sci, Lanzhou 730000, Gansu, Peoples R China
[4] Brown Univ, Dept Chem, Providence, RI 02912 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2010年 / 49卷 / 27期
基金：
中国国家自然科学基金;
关键词：
cations; iron; nanoparticles; rhodamine; sensors; III-AMPLIFIED FLUORESCENCE; AQUEOUS-SOLUTION; SENSOR; IRON; RECOGNITION; FE(III); CHEMOSENSOR; PROTEINS; SWITCHES; RECEPTOR;
D O I：
10.1002/anie.201001373
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
(Figure Presented) Rh-odin's masterpiece: Coupling N-(rhodamine-6G)lactam- ethylenediamine to Fe3O4 nanoparticles through a polyethylene glycol chain renders the rhodamine unit more water soluble and useful for sensitive and selective detection of FeIII at the 2 ppb level in water. This sensitivity is also demonstrated in HeLa cells, thus indicating potential applications of this detection method in biological systems. © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：4576 / 4579
页数：4
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