Electrostatic repulsion strategy for highly selective and sensitive “switch–on” fluorescence sensor of ascorbic acid based on the cysteamine-coated CdTe quantum dots and cerium (IV)

2021 ◽  
Author(s):  
Yifei Guo ◽  
Jingjing Du ◽  
Jianjun Li ◽  
Ran Yang ◽  
Peter B. de Harrington ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Ascorbic Acid ◽  
Hydrothermal Method ◽  
Cadmium Chloride ◽  
Fluorescence Sensor ◽  
Cdte Quantum Dots ◽  
Electrostatic Repulsion ◽  
Functional Monomer ◽  
Simple Hydrothermal Method ◽  
Cdte Qds

In this work, cysteamine-coated CdTe quantum dots (CA-CdTe QDs) were synthesized by a simple hydrothermal method employing cadmium chloride as the cadmium source and cysteamine hydrochloride as the functional monomer....

A novel and sensitive turn-on fluorescent biosensor for the determination of thioctic acid based on Cu2+-modulated N-acetyl-l-cysteine capped CdTe quantum dots

RSC Advances ◽  
2015 ◽  
Vol 5 (55) ◽  
pp. 44173-44182 ◽  
Author(s):  
Xuanping Tan ◽  
Qin Li ◽  
Xiaoning Zhang ◽  
Yizhong Shen ◽  
Jidong Yang
Keyword(s):  
Quantum Dots ◽  
Aqueous Media ◽  
Fluorescence Sensor ◽  
Cdte Quantum Dots ◽  
Thioctic Acid ◽  
Fluorescent Biosensor ◽  
Turn On ◽  
Cdte Qds

A new fluorescence sensor for the determination of thioctic acid (TA) in aqueous media based on the recovered fluorescence of N-acetyl-l-cysteine capped CdTe quantum dots [NALC-CdTe QDs]–Cu2+ system was proposed.

A simple paper-based approach for arsenic determination in water using hydride generation coupled with mercaptosuccinic-acid capped CdTe quantum dots

2020 ◽  
Vol 12 (21) ◽  
pp. 2718-2726
Author(s):  
Oraphan Thepmanee ◽  
Kanlaya Prapainop ◽  
Obnithi Noppha ◽  
Nuanlaor Rattanawimanwong ◽  
Weena Siangproh ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Hydride Generation ◽  
Cdte Quantum Dots ◽  
Mercaptosuccinic Acid ◽  
Cdte Qds ◽  
Arsenic Detection ◽  
Detection Probe ◽  
Arsenic Determination

Paper-based device with MSA-CdTe QDs as arsenic detection probe is presented.

A ratiometric fluorescence sensor based on metal-organic frameworks and quantum dots for detection of ascorbic acid

2021 ◽  
Vol 121 ◽  
pp. 111622
Author(s):  
Li Chen ◽  
Limin Zheng ◽  
Fangqi Wang ◽  
Simin Yi ◽  
Donghao Liu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Ascorbic Acid ◽  
Metal Organic Frameworks ◽  
Fluorescence Sensor ◽  
Ratiometric Fluorescence ◽  
Metal Organic

scholarly journals Silver ion-doped CdTe quantum dots as fluorescent probe for Hg2+ detection

RSC Advances ◽  
2020 ◽  
Vol 10 (64) ◽  
pp. 38965-38973
Author(s):  
Huazheng Li ◽  
Wangwei Lu ◽  
Gaoling Zhao ◽  
Bin Song ◽  
Jing Zhou ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Fluorescent Probe ◽  
Fluorescence Intensity ◽  
Silver Ion ◽  
Cdte Quantum Dots ◽  
Detection Range ◽  
Cdte Qds ◽  
Linear Relationships ◽  
The Relationship

Ag-doped CdTe QDs emit multiple-fluorescence peaks, and the relationship between fluorescence intensity and the concentration of Hg2+ is established. Two linear relationships are obtained, which is benefit to the extension of detection range.

Fluorescence suppression of MPA stabilized CdTe QDs for direct determination of propranolol

2017 ◽  
Vol 9 (6) ◽  
pp. 929-936 ◽  
Author(s):  
Fan Zhang ◽  
Miaomiao Chen ◽  
Haiqing Zhang ◽  
Huayu Xiong ◽  
Wei Wen ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Fluorescent Sensor ◽  
Direct Determination ◽  
Cdte Quantum Dots ◽  
Mercaptopropionic Acid ◽  
Cdte Qds

A sensitive, convenient and rapid fluorescent sensor for effectively and directly detecting propranolol was proposed based on the fluorescence suppression of 3-mercaptopropionic acid stabilized CdTe quantum dots.

CdTe quantum dots@luminol for trace-level chemiluminescence sensing of phenacetin based on biological recognition materials

2016 ◽  
Vol 40 (1) ◽  
pp. 458-463 ◽  
Author(s):  
Huimin Duan ◽  
Leilei Li ◽  
Xiaojiao Wang ◽  
Yanhui Wang ◽  
Jianbo Li ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Cdte Quantum Dots ◽  
Trace Level ◽  
Cdte Qds ◽  
Biological Recognition

The CL signal was amplified by CRET in CdTe QDs@luminol to improve the sensitivity and CsMG-MIP was introduced to improve the selectivity.

Sign in / Sign up

Export Citation Format

Share Document