Graphene quantum dots as selective fluorescence sensor for the detection of ascorbic acid and acid phosphatase via Cr(vi)/Cr(iii)-modulated redox reaction

2016 ◽  
Vol 4 (19) ◽  
pp. 3278-3285 ◽  
Author(s):  
Fanping Shi ◽  
Yu Zhang ◽  
Weidan Na ◽  
Xinyang Zhang ◽  
Yan Li ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Ascorbic Acid ◽  
Acid Phosphatase ◽  
Redox Reaction ◽  
Graphene Quantum Dots ◽  
Fluorescence Sensor ◽  
Fluorescence Assay

A facile and rapid fluorescence assay based on a redox reaction for successively detecting ascorbic acid and acid phosphatase was developedviaCr(vi)-modulated graphene quantum dots (GQDs).

Application of graphene quantum dots decorated with TEMPO-derivatized zinc phthalocyanine as novel nanoprobes: probing the sensitive detection of ascorbic acid

2016 ◽  
Vol 40 (10) ◽  
pp. 8727-8736 ◽  
Author(s):  
Ojodomo J. Achadu ◽  
Tebello Nyokong
Keyword(s):  
Quantum Dots ◽  
Ascorbic Acid ◽  
Graphene Quantum Dots ◽  
Fluorescence Sensor ◽  
Sensitive Detection ◽  
Zinc Phthalocyanine

A nanocomposite of (2,2,6,6-tetramethylpiperidin-1-yl)oxyl substituted zinc phthalocyanine and graphene quantum dots is a selective fluorescence sensor for ascorbic acid.

A “turn-on” fluorescence sensor for ascorbic acid based on graphene quantum dots via fluorescence resonance energy transfer

2018 ◽  
Vol 10 (6) ◽  
pp. 611-616 ◽  
Author(s):  
Yue Gao ◽  
Xiaolu Yan ◽  
Meng Li ◽  
Han Gao ◽  
Jing Sun ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Ascorbic Acid ◽  
Energy Transfer ◽  
Fluorescence Resonance Energy Transfer ◽  
Graphene Quantum Dots ◽  
Resonance Energy Transfer ◽  
Resonance Energy ◽  
Fluorescence Sensor ◽  
Turn On ◽  
First Time

For the first time, a FRET nanosensor for AA was developed using GQDs as the energy donors and SQA-iron(iii) as the energy acceptors.

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....

Graphene quantum dots supported by graphene oxide as a sensitive fluorescence nanosensor for cytochrome c detection and intracellular imaging

2017 ◽  
Vol 5 (31) ◽  
pp. 6300-6306 ◽  
Author(s):  
Lin Cao ◽  
Xiangqing Li ◽  
Lixia Qin ◽  
Shi-Zhao Kang ◽  
Guodong Li
Keyword(s):  
Quantum Dots ◽  
Graphene Oxide ◽  
Cytochrome C ◽  
Graphene Quantum Dots ◽  
A549 Cells ◽  
High Sensitivity ◽  
Fluorescence Sensor ◽  
Intracellular Imaging ◽  
New Class ◽  
Sensitivity And Selectivity

A new class of Cyt c detection fluorescence sensor based on graphene quantum dots supported by graphene oxide has been facilely developed. The sensor shows a high sensitivity and selectivity for Cyt c detection, and further exhibits favorable intracellular imaging in A549 cells.

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 The synthesis of nitrogen and sulfur co-doped graphene quantum dots for fluorescence detection of cobalt(ii) ions in water

2020 ◽  
Vol 4 (2) ◽  
pp. 507-516 ◽  
Author(s):  
Wissuta Boonta ◽  
Chanon Talodthaisong ◽  
Suchinda Sattayaporn ◽  
Chiraporn Chaicham ◽  
Anusak Chaicham ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Fluorescence Detection ◽  
Graphene Quantum Dots ◽  
Fluorescence Sensor ◽  
Highly Sensitive ◽  
Doped Graphene ◽  
Co Doped

A highly sensitive and selective fluorescence sensor using N,S-GQDs for the detection of Co2+ within 3 minutes.

A novel turn-on fluorescent strategy for sensing ascorbic acid using graphene quantum dots as fluorescent probe

2017 ◽  
Vol 92 ◽  
pp. 229-233 ◽  
Author(s):  
Hua Liu ◽  
Weidan Na ◽  
Ziping Liu ◽  
Xueqian Chen ◽  
Xingguang Su
Keyword(s):  
Quantum Dots ◽  
Ascorbic Acid ◽  
Fluorescent Probe ◽  
Graphene Quantum Dots ◽  
Turn On

Graphene quantum dots as on-off-on fluorescent probes for chromium(VI) and ascorbic acid

2015 ◽  
Vol 182 (9-10) ◽  
pp. 1723-1731 ◽  
Author(s):  
Shan Huang ◽  
Hangna Qiu ◽  
Fawei Zhu ◽  
Shuangyan Lu ◽  
Qi Xiao
Keyword(s):  
Quantum Dots ◽  
Ascorbic Acid ◽  
Fluorescent Probes ◽  
Graphene Quantum Dots ◽  
Chromium Vi

A glassy carbon electrode based on graphene quantum dots (GQDs) for simultaneous detection of acetaminophen and ascorbic acid

2015 ◽  
Vol 7 (20) ◽  
pp. 8877-8881 ◽  
Author(s):  
Chengfei Zhao ◽  
Zong'en Liu ◽  
Wentan Xu ◽  
Min Chen ◽  
Shaohuang Weng ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Ascorbic Acid ◽  
Citric Acid ◽  
Electrochemical Sensor ◽  
Glassy Carbon ◽  
Graphene Quantum Dots ◽  
Simultaneous Detection ◽  
Carbon Electrode ◽  
Pyrolysis Method

In this present work, graphene quantum dots (GQDs) were handily prepared with citric acid by the pyrolysis method and used to fabricate an electrochemical sensor for the simultaneous determination of acetaminophen (AC) and ascorbic acid (AA) in compound preparation.

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