Malonamide dithiocarbamate functionalized gold nanoparticles for colorimetric sensing of Cu2+ and Hg2+ ions

RSC Advances ◽  
2015 ◽  
Vol 5 (6) ◽  
pp. 4245-4255 ◽  
Author(s):  
Vaibhavkumar N. Mehta ◽  
Suresh Kumar Kailasa
Keyword(s):  
Gold Nanoparticles ◽  
Colorimetric Detection ◽  
Colorimetric Sensing ◽  
Au Nps ◽  
Colorimetric Probe ◽  
Functionalized Gold Nanoparticles

In this study, a colorimetric probe was developed based on malonamide dithiocarbamate functionalized gold nanoparticles (MA–DTC–Au NPs) for the simultaneous colorimetric detection of Cu2+ and Hg2+ ions.

Sensitive and selective colorimetric sensing of Fe3+ion by using p-amino salicylic acid dithiocarbamate functionalized gold nanoparticles

2014 ◽  
Vol 38 (4) ◽  
pp. 1503-1511 ◽  
Author(s):  
Vaibhavkumar N. Mehta ◽  
Suresh Kumar Kailasa ◽  
Hui-Fen Wu
Keyword(s):  
Gold Nanoparticles ◽  
Salicylic Acid ◽  
Biological Samples ◽  
Colorimetric Sensing ◽  
Au Nps ◽  
Functionalized Gold Nanoparticles ◽  
Amino Salicylic Acid

DTC-PAS-Au NPs successfully acted as probes for the selective and sensitive colorimetric sensing of Fe3+ions in biological samples.

Selective Colorimetric Sensing of Deferoxamine with 4-Mercaptophenol− and Mercaptoacetic acid−Functionalized Gold Nanoparticles via Fe(III)-Chelation

2021 ◽  
Author(s):  
Ömer Kaan Koç ◽  
Elif Ezgi Benli ◽  
Nurşah Karahan ◽  
Ayşem Üzer Arda ◽  
Resat Apak
Keyword(s):  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Au Nanoparticles ◽  
Mercaptoacetic Acid ◽  
Colorimetric Sensing ◽  
Colorimetric Probe ◽  
Functionalized Gold Nanoparticles

A gold nanoparticle-based colorimetric probe was developed for the determination of deferoxamine (desferrioxamine, DFO), a strong Fe(III) ion-chelator. Au-nanoparticles were synthesized and modified with 4-mercaptophenol (4MP) and mercaptoacetic acid (MAA)...

Ascorbic acid functionalized gold nanoparticles as a probe for colorimetric and visual read-out determination of dichlorvos in environmental samples

2014 ◽  
Vol 6 (22) ◽  
pp. 9007-9014 ◽  
Author(s):  
Stephanie L. D'souza ◽  
Ranjan Kumar Pati ◽  
Suresh Kumar Kailasa
Keyword(s):  
Gold Nanoparticles ◽  
Ascorbic Acid ◽  
Environmental Samples ◽  
Schematic Representation ◽  
Au Nps ◽  
Colorimetric Probe ◽  
Analytical Process ◽  
Functionalized Gold Nanoparticles

Schematic representation of the analytical process for detecting dichlorvos using AA–Au NPs as a colorimetric probe.

Colorimetric detection of influenza A virus using antibody-functionalized gold nanoparticles

The Analyst ◽  
2015 ◽  
Vol 140 (12) ◽  
pp. 3989-3995 ◽  
Author(s):  
Yuanjian Liu ◽  
Linqun Zhang ◽  
Wei Wei ◽  
Hongyu Zhao ◽  
Zhenxian Zhou ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Influenza A Virus ◽  
Clinical Diagnosis ◽  
Specific Antibody ◽  
Influenza A ◽  
Colorimetric Detection ◽  
Viral Pathogen ◽  
Virus Surface ◽  
Functionalized Gold Nanoparticles

A colorimetric immunosensor for IAV based on AuNPs modified with mAb is developed. This assay depends on an ordered AuNPs structure covering the virus surface and can be applied to any viral pathogen by incorporating the appropriate pathogen-specific antibody, giving the proposed method a broad prospect in clinical diagnosis applications.

Ultrasensitive colorimetric detection of Hg2+ ions based on enhanced catalytic performance of gold amalgam dispersed in channels of rose petals

The Analyst ◽  
2019 ◽  
Vol 144 (4) ◽  
pp. 1205-1209 ◽  
Author(s):  
Chi Zhang ◽  
Caiyun Kong ◽  
Qingyun Liu ◽  
Zhengbo Chen
Keyword(s):  
Gold Nanoparticles ◽  
Pore Structure ◽  
Low Cost ◽  
Colorimetric Detection ◽  
Catalytic Performance ◽  
Mercury Ions ◽  
Colorimetric Sensing ◽  
Rose Petals

We herein present a simple, low-cost, and ultrasensitive colorimetric sensing strategy for the detection of mercury ions (Hg2+) that takes advantage of the natural pore structure in rose petals to encapsulate gold nanoparticles (AuNPs).

Rapid colorimetric detection of arsenic (III) by glutathione functionalized gold nanoparticles based on RGB extracting system

2021 ◽  
Vol 133 ◽  
pp. 106522
Author(s):  
Biao Zheng ◽  
Jing Li ◽  
Zhongkai Zheng ◽  
Cheng Zhang ◽  
Chunlei Huang ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Colorimetric Detection ◽  
Functionalized Gold Nanoparticles

L-cysteine functionalized gold nanoparticles for the colorimetric detection of Hg2+induced by ultraviolet light

2009 ◽  
Vol 21 (2) ◽  
pp. 025501 ◽  
Author(s):  
Fang Chai ◽  
Chungang Wang ◽  
Tingting Wang ◽  
Zhanfang Ma ◽  
Zhongmin Su
Keyword(s):  
Gold Nanoparticles ◽  
Ultraviolet Light ◽  
Colorimetric Detection ◽  
Functionalized Gold Nanoparticles
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