Tunnelling current recognition through core–satellite gold nanoparticles for ultrasensitive detection of copper ions

2015 ◽  
Vol 51 (14) ◽  
pp. 2921-2924 ◽  
Author(s):  
Alireza Foroushani ◽  
Yuanchao Zhang ◽  
Da Li ◽  
Motilal Mathesh ◽  
Hongbin Wang ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Copper Ions ◽  
Molecular Junctions ◽  
Ultrasensitive Detection ◽  
Tunnelling Current

The addition of copper ions induces the formation of GNP/l-cysteine/Cu2+/l-cysteine/GNP molecular junctions and generates a significant decrease in the resistance through the networks.

Colorimetric sensing of dopamine based on the aggregation of gold nanoparticles induced by copper ions

2012 ◽  
Vol 4 (12) ◽  
pp. 3981 ◽  
Author(s):  
Haichao Su ◽  
Bing Sun ◽  
Lijian Chen ◽  
Zhenning Xu ◽  
Shiyun Ai
Keyword(s):  
Gold Nanoparticles ◽  
Copper Ions ◽  
Colorimetric Sensing

Stripping voltammetric detection of copper ions using carbon paste electrode modified with aza-crown ether capped gold nanoparticles and reduced graphene oxide

RSC Advances ◽  
2016 ◽  
Vol 6 (92) ◽  
pp. 89167-89175 ◽  
Author(s):  
M. Ghanei-Motlagh ◽  
Ch. Karami ◽  
M. A. Taher ◽  
S. J. Hosseini-Nasab
Keyword(s):  
Gold Nanoparticles ◽  
Graphene Oxide ◽  
Crown Ether ◽  
Reduced Graphene Oxide ◽  
Copper Ions ◽  
Carbon Paste ◽  
Reduced Graphene ◽  
Voltammetric Detection ◽  
Paste Electrode ◽  
Kryptofix 21

A novel electrochemical sensor based on reduced graphene oxide (RGO) and kryptofix 21-capped gold nanoparticles (GNPs) has been proposed.

Simple Colorimetric Detection of Amyloidβ-peptide (1-40) based on Aggregation of Gold Nanoparticles in the Presence of Copper Ions

Small ◽  
2015 ◽  
Vol 11 (18) ◽  
pp. 2144-2149 ◽  
Author(s):  
Yanli Zhou ◽  
Hui Dong ◽  
Lantao Liu ◽  
Maotian Xu
Keyword(s):  
Gold Nanoparticles ◽  
Copper Ions ◽  
Colorimetric Detection
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