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.

Application of graphene quantum dots functionalized with thymine and thymine-appended zinc phthalocyanine as novel photoluminescent nanoprobes

2017 ◽  
Vol 41 (4) ◽  
pp. 1447-1458 ◽  
Author(s):  
Ojodomo J. Achadu ◽  
Tebello Nyokong
Keyword(s):  
Quantum Dots ◽  
Graphene Quantum Dots ◽  
Sensitive Detection ◽  
Zinc Phthalocyanine

Thymine Zn phthalocyanine turned off the fluorescence of graphene quantum dots, which was subsequently turned on by Hg2+ for its sensitive detection.

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.

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).

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
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