scholarly journals Electrochemical synthesis of FeNx doped carbon quantum dots for sensitive detection of Cu2+ ion

2021 ◽  
Author(s):  
Siyuan Sun ◽  
Weijie Bao ◽  
Fan Yang ◽  
Xingru Yan ◽  
Yang Sun ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Electrochemical Synthesis ◽  
Carbon Quantum Dots ◽  
Sensitive Detection

Highly Fluorescent Nitrogen and Boron Doped Carbon Quantum Dots for Selective and Sensitive Detection of Fe3+

2021 ◽  
Author(s):  
Yunhao Zhang ◽  
Hongxin Qin ◽  
Yuting Huang ◽  
Feng Zhang ◽  
Hairong Liu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Environmental Protection ◽  
Essential Role ◽  
Disease Diagnosis ◽  
Carbon Quantum Dots ◽  
Sensitive Detection ◽  
Boron Doped

Due to the essential role of Fe3+ in physiological and pathological processes, the detection of Fe3+ has drawn an increasing attention in the field of disease diagnosis and environmental protection....

Polyamine-Functionalized Carbon Quantum Dots as Fluorescent Probes for Selective and Sensitive Detection of Copper Ions

2012 ◽  
Vol 84 (14) ◽  
pp. 6220-6224 ◽  
Author(s):  
Yongqiang Dong ◽  
Ruixue Wang ◽  
Geli Li ◽  
Congqiang Chen ◽  
Yuwu Chi ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Fluorescent Probes ◽  
Copper Ions ◽  
Carbon Quantum Dots ◽  
Sensitive Detection

scholarly journals Green Preparation of Fluorescent Nitrogen-Doped Carbon Quantum Dots for Sensitive Detection of Oxytetracycline in Environmental Samples

Nanomaterials ◽  
2020 ◽  
Vol 10 (8) ◽  
pp. 1561
Author(s):  
Rong Gao ◽  
Zhibin Wu ◽  
Li Wang ◽  
Jiao Liu ◽  
Yijun Deng ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Tap Water ◽  
Orange Peel ◽  
Carbon Quantum Dots ◽  
Sensitive Detection ◽  
Biomass Waste ◽  
Visible Absorption ◽  
Nitrogen Doped ◽  
Relative Standard ◽  
Nitrogen Doped Carbon

Nitrogen-doped carbon quantum dots (N-CQDs) with strong fluorescence were prepared by a one-step hydrothermal method using natural biomass waste. Two efficient fluorescent probes were constructed for selective and sensitive detection of oxytetracycline (OTC). The synthesized N-CQDs were characterized by UV-visible absorption spectra, fluorescence spectra, Fourier transform infrared spectroscopy (FT-IR), X-ray photon spectroscopy (XPS), atomic force microscopy (AFM), and high-resolution transmission electron microscopy (HRTEM), which proved that the synthesized N-CQDs surface were functionalized and had stable fluorescence performance. The basis of N-CQDs detection of OTC was discussed, and various reaction conditions were studied. Under optimized conditions, orange peel carbon quantum dots (ON-CQDs) and watermelon peel carbon quantum dots (WN-CQDs) have a good linear relationship with OTC concentrations in the range of 2–100 µmol L−1 and 0.25–100 µmol L−1, respectively. ON-CQDs and WN-CQDs were both successfully applied in detecting the OTC in pretreated tap water, lake water, and soil, with the recovery rate at 91.724–103.206%, and the relative standard deviation was less than 5.35%. The results showed that the proposed N-CQDs proved to be green and simple, greatly reducing the detection time for OTC in the determination environment.

Microwave-assisted fabrication of copper-functionalized carbon quantum dots for sensitive detection of histidine

Talanta ◽  
2019 ◽  
Vol 196 ◽  
pp. 442-448 ◽  
Author(s):  
Yucan Che ◽  
Hongyu Pang ◽  
Huiyu Li ◽  
Lei Yang ◽  
Xinyao Fu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Carbon Quantum Dots ◽  
Sensitive Detection ◽  
Microwave Assisted

Fabrication of a highly sensitive electrochemiluminescence chlorpromazine sensor using a Ru(bpy)32+ incorporated carbon quantum dot–gelatin composite film

2017 ◽  
Vol 9 (6) ◽  
pp. 1011-1017 ◽  
Author(s):  
Zhimin Liu ◽  
Fang Zhang ◽  
Lin Cui ◽  
Kang Wang ◽  
Haijun Zhan
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Composite Film ◽  
Carbon Quantum Dots ◽  
Sensitive Detection ◽  
Carbon Quantum Dot ◽  
Sensing Platform ◽  
Highly Sensitive

A novel electrochemiluminescence sensing platform for the sensitive detection of chlorpromazine (CPZ) was fabricated based on a Ru(bpy)32+/carbon quantum dots/gelatin composite film.

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