Graphene quantum dot-stabilized gold nanoparticles as a new colorimetric probe for in situ quantification of phenytoin in biological samples

2020 ◽  
Vol 159 ◽  
pp. 105331
Author(s):  
Maryam Khoubnasabjafari ◽  
Azam Samadi ◽  
Abolghasem Jouyban
Keyword(s):  
Gold Nanoparticles ◽  
Quantum Dot ◽  
Biological Samples ◽  
Colorimetric Probe ◽  
Graphene Quantum Dot

scholarly journals Synthesis of graphene quantum dot-stabilized gold nanoparticles and their application

RSC Advances ◽  
2019 ◽  
Vol 9 (37) ◽  
pp. 21215-21219 ◽  
Author(s):  
Weifeng Chen ◽  
Jialu Shen ◽  
Shaona Chen ◽  
Jiaying Yan ◽  
Nuonuo Zhang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Gold Nanoparticles ◽  
Quantum Dot ◽  
Graphene Quantum Dots ◽  
Graphene Quantum Dot

Herein, we report an in situ synthesis of graphene quantum dots (GQDs), which have been synthesized from only starch and water and stabilize AuNPs in water.

Gold nanoparticles as a colorimetric probe for the determination of N-acetyl-l-cysteine in biological samples and pharmaceutical formulations

2015 ◽  
Vol 7 (4) ◽  
pp. 1478-1483 ◽  
Author(s):  
Saadat Rastegarzadeh ◽  
Fatemeh Hashemi
Keyword(s):  
Gold Nanoparticles ◽  
Ascorbic Acid ◽  
Biological Samples ◽  
Pharmaceutical Formulations ◽  
Reducing Agent ◽  
Spectrophotometric Detection ◽  
Colorimetric Probe

In this study, gold nanoparticles (AuNPs) have been synthesised using ascorbic acid as a reducing agent and employed in the design of an in situ colorimetric probe for the spectrophotometric detection of N-acetyl-l-cysteine (NAC).

scholarly journals Kanamycin detection at graphene quantum dot-decorated gold nanoparticles in organized medium after solid-phase extraction using an aminoglycoside imprinted polymer

MethodsX ◽  
2018 ◽  
Vol 5 ◽  
pp. 1605-1612
Author(s):  
Carlos A.T. Toloza ◽  
Joseany M.S. Almeida ◽  
Sarzamin Khan ◽  
Yasmin G. dos Santos ◽  
Andrea R. da Silva ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Quantum Dot ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Phase Extraction ◽  
Imprinted Polymer ◽  
Graphene Quantum Dot

Graphene Quantum Dot beyond Electrocatalyst: An In Situ Electrolyte Catalyst towards Improved Reaction Kinetics of VO2+/VO2 + Redox Couples

2020 ◽  
Vol 167 (14) ◽  
pp. 140540
Author(s):  
Mani Ulaganathan ◽  
Karuppusamy Mariyappan ◽  
Subramanian Suresh ◽  
Pitchai Ragupathy
Keyword(s):  
Quantum Dot ◽  
Reaction Kinetics ◽  
Graphene Quantum Dot ◽  
Redox Couples ◽  
Kinetics Of

scholarly journals Microplasma-Enabled Graphene Quantum Dot-Wrapped Gold Nanoparticles with Synergistic Enhancement for Broad Band Photodetection

2020 ◽  
Vol 12 (25) ◽  
pp. 28550-28560 ◽  
Author(s):  
Mukesh Kumar Thakur ◽  
Chih-Yi Fang ◽  
Yung-Ta Yang ◽  
Tirta Amerta Effendi ◽  
Pradip Kumar Roy ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Quantum Dot ◽  
Broad Band ◽  
Graphene Quantum Dot ◽  
Synergistic Enhancement

A dopamine-modulated nitrogen-doped graphene quantum dot fluorescence sensor for the detection of glutathione in biological samples

2016 ◽  
Vol 40 (10) ◽  
pp. 8911-8917 ◽  
Author(s):  
Zhenzhen Liu ◽  
Yan Gong ◽  
Zhefeng Fan
Keyword(s):  
Quantum Dot ◽  
Biological Samples ◽  
Fluorescent Sensor ◽  
Fluorescence Sensor ◽  
Selective Detection ◽  
Graphene Quantum Dot ◽  
Redox Mechanism ◽  
Nitrogen Doped ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

A dopamine-modulated nitrogen-doped graphene quantum dot (N-GQD) system was explored to develop a fluorescent sensor based on a chemical redox mechanism for the facile, sensitive and selective detection of glutathione (GSH) in biological samples.

Sign in / Sign up

Export Citation Format

Share Document