Highly sensitive visual detection of amantadine residues in poultry at the ppb level: A colorimetric immunoassay based on a Fenton reaction and gold nanoparticles aggregation

2018 ◽  
Vol 1027 ◽  
pp. 130-136 ◽  
Author(s):  
Wenbo Yu ◽  
Tingting Zhang ◽  
Mingfang Ma ◽  
Chaochao Chen ◽  
Xiao Liang ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Fenton Reaction ◽  
Visual Detection ◽  
Highly Sensitive ◽  
Colorimetric Immunoassay

Highly sensitive and rapid visual detection of ricin using unmodified gold nanoparticle probes

RSC Advances ◽  
2014 ◽  
Vol 4 (83) ◽  
pp. 43998-44003 ◽  
Author(s):  
Jingting Hu ◽  
Haichao Dai ◽  
Yujing Sun ◽  
Pengjuan Ni ◽  
Yilin Wang ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Visual Detection ◽  
Nanoparticle Probes ◽  
Highly Sensitive

A sensitive aptamer-based colorimetric biosensor for the detection of ricin using unmodified gold nanoparticles as probe was developed.

A visual detection of hydrogen peroxide on the basis of Fenton reaction with gold nanoparticles

2010 ◽  
Vol 659 (1-2) ◽  
pp. 224-228 ◽  
Author(s):  
You Sang ◽  
Li Zhang ◽  
Yuan Fang Li ◽  
Li Qiang Chen ◽  
Jia Li Xu ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Gold Nanoparticles ◽  
Fenton Reaction ◽  
Visual Detection

scholarly journals Highly sensitive colorimetric sensing of copper(ii) ions based on “CLICK-17” DNAzyme-catalyzed azide modified gold nanoparticles and alkyne capped dsDNA cycloaddition

RSC Advances ◽  
2021 ◽  
Vol 11 (39) ◽  
pp. 24196-24205
Author(s):  
Weicong Yan ◽  
Zhensheng Zhong ◽  
Jie Ma ◽  
Thitima Rujiralai
Keyword(s):  
Gold Nanoparticles ◽  
Visual Detection ◽  
Click Reaction ◽  
Colorimetric Sensing ◽  
Highly Sensitive

We report selective and visual detection of Cu2+ based on aggregation of azide modified gold nanoparticles induced by CLICK-17 DNAzyme and Cu2+ or Cu+ catalyzed click reaction between azide-AuNPs and alkyne-dsDNA.

Synthesis and application of polycation-stabilized gold nanoparticles as a highly sensitive sensor for molecular cysteine determination

2021 ◽  
pp. 106481
Author(s):  
Quang Khanh Nguyen ◽  
Thi Hieu Hoang ◽  
Xuan Thanh Bui ◽  
Thi Anh Huong Nguyen ◽  
Tien Duc Pham ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Highly Sensitive ◽  
Sensitive Sensor

scholarly journals A dual colorimetric probe for rapid environmental monitoring of Hg2+ and As3+ using gold nanoparticles functionalized with d-penicillamine

RSC Advances ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 5456-5465
Author(s):  
Su-Jin Yoon ◽  
Yun-Sik Nam ◽  
Yeonhee Lee ◽  
In Hwan Oh ◽  
Kang-Bong Lee
Keyword(s):  
Gold Nanoparticles ◽  
Environmental Monitoring ◽  
Colorimetric Assay ◽  
Colorimetric Probe ◽  
Highly Sensitive ◽  
Dual Detection

A highly sensitive and selective colorimetric assay for the dual detection of Hg2+ and As3+ using gold nanoparticles (AuNPs) conjugated with d-penicillamine (DPL) was developed.

A highly sensitive electrochemical microRNA-21 biosensor based on intercalating methylene blue signal amplification and a highly dispersed gold nanoparticles/graphene/polypyrrole composite

The Analyst ◽  
2021 ◽  
Vol 146 (8) ◽  
pp. 2679-2688
Author(s):  
Chammari Pothipor ◽  
Noppadol Aroonyadet ◽  
Suwussa Bamrungsap ◽  
Jaroon Jakmunee ◽  
Kontad Ounnunkad
Keyword(s):  
Methylene Blue ◽  
Gold Nanoparticles ◽  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Highly Sensitive ◽  
Highly Dispersed ◽  
Polypyrrole Composite ◽  
Amplification Strategy ◽  
Dispersed Gold ◽  
Potential Tool

An ultrasensitive electrochemical biosensor based on a gold nanoparticles/graphene/polypyrrole composite modified electrode and a signal amplification strategy employing methylene blue is developed as a potential tool for the detection of miRNA-21.

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