A simple colorimetric sensor for potassium ion based on DNA G-quadruplex conformation and salt-induced gold nanoparticles aggregation

2014 ◽  
Vol 6 (19) ◽  
pp. 8018-8021 ◽  
Author(s):  
Zhengbo Chen ◽  
Junxia Guo ◽  
He Ma ◽  
Tong Zhou ◽  
Xiaoxiao Li
Keyword(s):  
Gold Nanoparticles ◽  
Colorimetric Sensor ◽  
Potassium Ion ◽  
Ion Detection ◽  
G Quadruplex

A simple colorimetric sensor for potassium ion detection.

scholarly journals Paper-based colorimetric sensor for potassium ion detection in urine by crown ether modified gold nanoparticles

2021 ◽  
Vol 1719 (1) ◽  
pp. 012026
Author(s):  
Khwanrudee Chitbankluai ◽  
Chittanon Buranachai ◽  
Warakorn Limbut ◽  
Panote Thavarungkul
Keyword(s):  
Gold Nanoparticles ◽  
Crown Ether ◽  
Colorimetric Sensor ◽  
Potassium Ion ◽  
Ion Detection

Enhanced peroxidiase-like activity of gold nanoparticles by DNA for potassium ion detection

2014 ◽  
Vol 44 (10) ◽  
pp. 1641-1646 ◽  
Author(s):  
ChengZhi HUANG ◽  
Yue LIU ◽  
BoZhou ZOU ◽  
Jian WANG
Keyword(s):  
Gold Nanoparticles ◽  
Potassium Ion ◽  
Ion Detection

A Pyrene-Labeled G-Quadruplex Oligonucleotide as a Fluorescent Probe for Potassium Ion Detection in Biological Applications

2005 ◽  
Vol 117 (32) ◽  
pp. 5195-5198 ◽  
Author(s):  
Satoru Nagatoishi ◽  
Takahiko Nojima ◽  
Bernard Juskowiak ◽  
Shigeori Takenaka
Keyword(s):  
Fluorescent Probe ◽  
Potassium Ion ◽  
Biological Applications ◽  
Ion Detection ◽  
G Quadruplex

A Pyrene-Labeled G-Quadruplex Oligonucleotide as a Fluorescent Probe for Potassium Ion Detection in Biological Applications

2005 ◽  
Vol 44 (32) ◽  
pp. 5067-5070 ◽  
Author(s):  
Satoru Nagatoishi ◽  
Takahiko Nojima ◽  
Bernard Juskowiak ◽  
Shigeori Takenaka
Keyword(s):  
Fluorescent Probe ◽  
Potassium Ion ◽  
Biological Applications ◽  
Ion Detection ◽  
G Quadruplex

A nanobiosensor for the simple detection of small molecules using non-crosslinking aggregation of gold nanoparticles with G-quadruplexes

2020 ◽  
Vol 12 (3) ◽  
pp. 230-238
Author(s):  
Surachada Chuaychob ◽  
Chongdee Thammakhet-Buranachai ◽  
Proespichaya Kanatharana ◽  
Panote Thavarungkul ◽  
Chittanon Buranachai ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Small Molecules ◽  
Small Molecule ◽  
Colorimetric Sensor ◽  
G4 Dna ◽  
G Quadruplex ◽  
Simple Detection

This work demonstrates a simple and specific colorimetric sensor for a hazardous small molecule, cisplatin, using a G-quadruplex (G4) DNA as a sensing probe and non-crosslinking aggregation of gold nanoparticles (AuNPs) as a signal enhancer.

Rapid and selective lead (II) colorimetric sensor based on azacrown ether-functionalized gold nanoparticles

2010 ◽  
Vol 21 (31) ◽  
pp. 315503 ◽  
Author(s):  
A Alizadeh ◽  
M M Khodaei ◽  
Ch Karami ◽  
M S Workentin ◽  
M Shamsipur ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Colorimetric Sensor ◽  
Azacrown Ether ◽  
Functionalized Gold Nanoparticles
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