Cationic conjugated polyelectrolyte-based fluorometric detection of copper(II) ions in aqueous solution
Cationic conjugated polyelectrolyte-based fluorometric detection of copper(II) ions in aqueous solution
复制标题
基于阳离子共轭聚电解质的水溶液中铜(II)离子的荧光检测
DOI:
10.1016/j.polymer.2008.04.029
复制
发表时间:
2008-05
期刊:
影响因子:
4.6
通讯作者:
王树
中科院分区:
文献类型:
--
作者:
王树
A series of water-soluble cationic polyfluorene copolymer containing 2,2′-bipyridine moieties (PFP-P1–3) in the backbone were designed and synthesized as the fluorescent probes for Cu2+ions. In the absence of the Cu2+ion, the PFP-P2exhibits strong fluorescence emission in aqueous solution. Upon adding the Cu2+ion, the PFP-P2coordinates to Cu2+ions through weak N⋯Cu interactions, and its fluorescence is efficiently quenched by the Cu2+ion with a Stern–Volmer constant (Ksv) of 1.44×107M−1. The new method has high sensitivity with a detection limit of 20nM. The minor interference from other heavy metal ions clearly shows that the PFP-P2can be used as the Cu2+ion probe with good selectivity.
登录
查看更多内容
影响因子:
15
作者:
B. Wang;M. Wasielewski
通讯作者:
B. Wang;M. Wasielewski
DOI:
10.1073/pnas.162375999
发表时间:
2002-08-20
影响因子:
11.1
作者:
Gaylord, BS;Heeger, AJ;Bazan, GC
通讯作者:
Bazan, GC
影响因子:
15
作者:
He, F;Tang, YL;Zhu, DB
通讯作者:
Zhu, DB
影响因子:
15
作者:
Ho, HA;Doré, K;Leclerc, M
通讯作者:
Leclerc, M
影响因子:
29.4
作者:
Chunyan Tan;M. Pinto;M. Köse;I. Ghiviriga;K. Schanze
通讯作者:
Chunyan Tan;M. Pinto;M. Köse;I. Ghiviriga;K. Schanze