β-Cyclodextrin protected gold nanoparticle based cotton swabs as an effective candidate for specific sensing of trace levels of cyanide

2019 ◽  
Vol 11 (1) ◽  
pp. 97-104 ◽  
Author(s):  
Ramar Rajamanikandan ◽  
Malaichamy Ilanchelian
Keyword(s):  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Water Based

In this paper, a rapid colorimetric and easy visual determination of cyanide ions (CN− ions) in water, based on gold nanoparticles (AuNPs) stabilized with β-cyclodextrin (β-CD), is described.

Electrochemical determination of trace copper(ii) based onl-cysteine functionalized gold nanoparticle/CdS nanosphere hybrid

2016 ◽  
Vol 8 (17) ◽  
pp. 3592-3598 ◽  
Author(s):  
Lin-Gang Li ◽  
Meng Chen ◽  
He-Qun Hao ◽  
Qing-Qing Xu ◽  
Ju Wu ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Glassy Carbon Electrode ◽  
Glassy Carbon ◽  
Electrochemical Determination ◽  
Carbon Electrode ◽  
Electrochemical Assay ◽  
Functionalized Gold Nanoparticles ◽  
Sensing Platform

This paper describes a simple and efficient electrochemical assay for the determination of trace Cu(ii) employingl-cysteine functionalized gold nanoparticles/CdS nanospheres/glassy carbon electrode (l-cys/AuNPs/CdS/GCE) as an enhanced sensing platform.

Enhanced electrochemical sensing of dopamine in the presence of AA and UA using a curcumin functionalized gold nanoparticle modified electrode

2019 ◽  
Vol 43 (48) ◽  
pp. 19003-19013 ◽  
Author(s):  
K. Krishna Kumar ◽  
M. Devendiran ◽  
R. A. Kalaivani ◽  
S. Sriman Narayanan
Keyword(s):  
Gold Nanoparticles ◽  
Electrochemical Sensor ◽  
Gold Nanoparticle ◽  
Modified Electrode ◽  
Electrochemical Sensing

In the present study, a electrochemical sensor for the determination of dopamine was developed with green synthesised gold nanoparticles using curcumin as a reducing and, functionalizing agent.

scholarly journals Disposable gold nanoparticle functionalized and bare screen-printed electrodes for potentiometric determination of trazodone hydrochloride in pure form and pharmaceutical preparations

RSC Advances ◽  
2018 ◽  
Vol 8 (21) ◽  
pp. 11517-11527 ◽  
Author(s):  
Fathy M. Salama ◽  
Khalid A. Attia ◽  
Ragab A. Said ◽  
Ahmed El-Olemy ◽  
Ahmed M. Abdel-raoof
Keyword(s):  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Electrochemical Sensors ◽  
Pharmaceutical Preparations ◽  
Potentiometric Determination ◽  
Chemically Modified ◽  
Screen Printed Electrodes ◽  
Trazodone Hydrochloride ◽  
Screen Printed

In the present study, screen-printed electrodes unmodified and chemically modified with gold nanoparticles were used as sensitive electrochemical sensors for the determination of trazodone hydrochloride.

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)...

scholarly journals A thio-β-cyclodextrin functionalized graphene/gold nanoparticle electrochemical sensor: a study of the size effect of the gold nanoparticles and the determination of tetrabromobisphenol A

RSC Advances ◽  
2019 ◽  
Vol 9 (31) ◽  
pp. 17897-17904
Author(s):  
Suxing Luo ◽  
Yuanhui Wu ◽  
Qingsong Mou ◽  
Jinhai Li ◽  
Xiaoxue Luo
Keyword(s):  
Gold Nanoparticles ◽  
Graphene Oxide ◽  
Size Effect ◽  
Gold Nanoparticle ◽  
Glassy Carbon ◽  
Tetrabromobisphenol A ◽  
Carbon Electrode ◽  
Functionalized Graphene ◽  
Modified Glassy Carbon Electrode

In this study, a novel tetrabromobisphenol A (TBBPA) sensor was fabricated based on a CTAB-capped gold nanoparticle (AuNP)-thio-β-cyclodextrin (SH-β-CD)/graphene oxide modified glassy carbon electrode (GCE).

A gold nanoparticle chemically modified gold electrode for the determination of surfactants

RSC Advances ◽  
2016 ◽  
Vol 6 (108) ◽  
pp. 106500-106507 ◽  
Author(s):  
Daniele Merli ◽  
Chiara Ferrari ◽  
Elisa Cabrini ◽  
Giacomo Dacarro ◽  
Piersandro Pallavicini ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Gold Electrode ◽  
Redox Probe ◽  
Chemically Modified

A gold nanoparticles modified gold electrode was developed for the determination of surfactants in solution, using a redox probe and exploiting the tendency of surfactants to adsorb onto the nanoparticles' surface.

Selective analysis of epinephrine in the presence of uric acid by using an amplified electrochemical sensor employing a gold nanoparticle decorated cysteic acid film

2017 ◽  
Vol 9 (45) ◽  
pp. 6394-6402 ◽  
Author(s):  
G. Karim-Nezhad ◽  
Z. Khorablou
Keyword(s):  
Gold Nanoparticles ◽  
Uric Acid ◽  
Electrochemical Sensor ◽  
Gold Nanoparticle ◽  
Glassy Carbon ◽  
Cysteic Acid ◽  
Carbon Electrode ◽  
Selective Determination ◽  
Selective Analysis

In the present work, an effective electrochemical sensor for the rapid and selective determination of epinephrine (EP) in the presence of uric acid (UA) based on a glassy carbon electrode (GCE) modified with gold nanoparticles (AuNPs) and cysteic acid was applied.

scholarly journals T7 bacteriophage induced changes of gold nanoparticle morphology: biopolymer capped gold nanoparticles as versatile probes for sensitive plasmonic biosensors

The Analyst ◽  
2014 ◽  
Vol 139 (14) ◽  
pp. 3563-3571 ◽  
Author(s):  
Palanisamy Kannan ◽  
Marcin Los ◽  
Joanna M. Los ◽  
Joanna Niedziolka-Jonsson
Keyword(s):  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Morphological Changes ◽  
Nanoparticle Morphology ◽  
Induced Changes ◽  
Femtomolar Concentration ◽  
T7 Bacteriophage

The morphological changes of gold nanoparticles induced by T7 virus (bacteriophage) and the determination of its femtomolar concentration by a plasmonic method are presented.

A second-order advantage achieved with the aid of gold nanoparticle catalytic activity. Determination of nitrophenol isomers in binary mixtures

2014 ◽  
Vol 6 (9) ◽  
pp. 3056-3064 ◽  
Author(s):  
Faride Rabbani ◽  
Hamid Abdollahi ◽  
M. Reza Hormozi-Nezhad
Keyword(s):  
Gold Nanoparticles ◽  
Catalytic Activity ◽  
Gold Nanoparticle ◽  
Binary Mixtures ◽  
Spectrophotometric Method ◽  
Second Order ◽  
Activity Determination

A novel, simple and rapid spectrophotometric method for the determination of nitrophenol (NP) isomer mixtures based on the catalytic activity of gold nanoparticles is described.

Determination of Amoxicillin Based on the Plasmon Resonance of Gold Nanoparticles

2012 ◽  
Vol 29 (11) ◽  
pp. 1329
Author(s):  
Fei LENG ◽  
Ying LI ◽  
Shunjun ZHEN ◽  
Yuanfang LI
Keyword(s):  
Gold Nanoparticles ◽  
Plasmon Resonance
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