Design of a ratiometric fluorescent probe for naked eye detection of dopamine

2017 ◽  
Vol 9 (23) ◽  
pp. 3505-3512 ◽  
Author(s):  
Mohammad Amin Farahmand Nejad ◽  
M. Reza Hormozi-Nezhad
Keyword(s):  
Thioglycolic Acid ◽  
Alkaline Media ◽  
Carbon Nanodots ◽  
Selective Detection ◽  
Eye Detection ◽  
Ratiometric Fluorescence ◽  
Naked Eye ◽  
Fluorescent Carbon Nanodots ◽  
Naked Eye Detection ◽  
Ratiometric Fluorescent Probe

A simple and effective ratiometric fluorescence sensor for selective detection of dopamine (DA) in alkaline media has been developed by simply mixing thioglycolic acid (TGA) functionalized orange fluorescent cadmium telluride (CdTe) quantum dots (QDs) with amino-functionalized blue fluorescent carbon nanodots (CDs).

Boric acid functionalized ratiometric fluorescence probe for sensitive and on-site naked eye determination of dopamine based on two different kinds of quantum dots

RSC Advances ◽  
2016 ◽  
Vol 6 (76) ◽  
pp. 72715-72721 ◽  
Author(s):  
Yeqing Xu ◽  
Xiao Wei ◽  
Hongji Li ◽  
Xudong Zheng ◽  
Kai Lu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Fluorescence Probe ◽  
Carbon Quantum Dots ◽  
Eye Detection ◽  
Ratiometric Fluorescence ◽  
Dual Emission ◽  
Naked Eye ◽  
Aminophenylboronic Acid ◽  
Naked Eye Detection

A simple dual-emission probe based on 3-aminophenylboronic acid functionalized CdTe quantum dots (QDs) and carbon quantum dots (CQDs) was developed for the on-site naked eye detection of dopamine (DA).

A NIR ratiometric fluorescent probe for the ‘naked-eye’ detection of endogenous hypochlorous acid in practical samples

2019 ◽  
Vol 11 (13) ◽  
pp. 1751-1756 ◽  
Author(s):  
Kangming Xiong ◽  
Fangjun Huo ◽  
Yongbin Zhang ◽  
Ying Wen ◽  
Caixia Yin
Keyword(s):  
Fluorescent Probe ◽  
Acid Content ◽  
Near Infrared ◽  
Hypochlorous Acid ◽  
Quick Response ◽  
Eye Detection ◽  
Naked Eye ◽  
Naked Eye Detection ◽  
Ratiometric Fluorescent Probe

We designed a near-infrared ratiometric (2.1 to 15.3, I608/I735) fluorescent probe with a quick response (20 s) based on cyanine polyene derivatives. This probe can detect endogenous hypochlorous acid in HepG-2 cells and determine the hypochlorous acid content in 84 disinfectant and other actual samples.

Dual-emission ratiometric fluorescence detection of aspirin in human saliva: onsite naked-eye detection and high stability

2017 ◽  
Vol 41 (23) ◽  
pp. 14551-14556 ◽  
Author(s):  
Li Chen ◽  
Lin Sun ◽  
Jiahong Zheng ◽  
Jiangdong Dai ◽  
Yilin Wu ◽  
...  
Keyword(s):  
Fluorescence Detection ◽  
High Stability ◽  
Visual Detection ◽  
Fluorescence Probe ◽  
Human Saliva ◽  
Eye Detection ◽  
Ratiometric Fluorescence ◽  
Dual Emission ◽  
Naked Eye ◽  
Naked Eye Detection

A highly stable ratiometric fluorescence probe based on dual-emission QDs was designed for the visual detection of aspirin in human saliva.

Natural betanin dye extracted from bougainvillea flowers for the naked-eye detection of copper ions in water samples

2016 ◽  
Vol 8 (25) ◽  
pp. 4977-4982 ◽  
Author(s):  
Mohamed Khairy ◽  
Mohamed Ismael ◽  
Rafat M. El-Khatib ◽  
Mostafa Abdelnaeem ◽  
Mariam Khalaf
Keyword(s):  
Optical Sensor ◽  
Water Samples ◽  
Copper Ions ◽  
Tap Water ◽  
Experimental Results ◽  
Selective Detection ◽  
Eye Detection ◽  
Color Changes ◽  
Naked Eye ◽  
Naked Eye Detection

A betanin-based colorimetric probe was simply extracted from bougainvillea flowers for the selective detection of Cu2+ ions. The experimental results showed that the betanin pigment could be employed as an optical sensor for Cu2+ with significant color changes in tap water samples.

Naked-Eye Detection of Hg(II) Ions by Visible Light-Induced Polymerization Initiated by a Hg(II)-Selective Photoredox Catalyst

2021 ◽  
Author(s):  
Hyungwook Kim ◽  
Young Jae Jung ◽  
Jungkyu K. Lee
Keyword(s):  
Visible Light ◽  
Signal Amplification ◽  
Eye Detection ◽  
Naked Eye ◽  
Turn On ◽  
Novel Strategy ◽  
Amplification Strategy ◽  
Naked Eye Detection

We developed a novel strategy for signal amplification strategy using a visible light-induced photopolymerization, initiated by a selective turn-on photoredox catalyst. As photoredox catalysts, fluorescein derivatives are able to initiate...

Naked eye detection and measurement of fluoride concentration in groundwater using novel synthesized receptor

2021 ◽  
Vol 328 ◽  
pp. 112776
Author(s):  
Yogendra Singh Solanki ◽  
Priya Yadav ◽  
Madhu Agarwal ◽  
Ragini Gupta ◽  
Sanjeev Gupta ◽  
...  
Keyword(s):  
Fluoride Concentration ◽  
Eye Detection ◽  
Naked Eye ◽  
Naked Eye Detection
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