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EcoRI‐Modified Gold Nanoparticles for Dual‐Mode Colorimetric Detection of Magnesium and Pyrophosphate Ions
Author(s) -
Wang Hongbo,
Xu Wei,
Zhang Hao,
Li Dawei,
Yang Zhaoqi,
Xie Xiaoji,
Li Tianhu,
Liu Xiaogang
Publication year - 2011
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201100470
Subject(s) - ecori , pyrophosphate , magnesium , colloidal gold , nanoparticle , duplex (building) , ion , dual mode , chemistry , escherichia coli , combinatorial chemistry , nanotechnology , dna , materials science , biochemistry , restriction enzyme , enzyme , organic chemistry , gene , engineering , aerospace engineering
Rapid colorimetric detection of magnesium ions is demonstrated via a convenient approach, based on EcoRI‐modified gold nanoparticles and a specifically designed DNA duplex. EcoRI is an enzyme obtained from certain strains of Escherichia coli .