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...

A smart rhodamine–pyridine conjugate for bioimaging of thiocyanate in living cells

RSC Advances ◽  
2015 ◽  
Vol 5 (125) ◽  
pp. 103350-103357 ◽  
Author(s):  
Sandip Mandal ◽  
Animesh Sahana ◽  
Arnab Banerjee ◽  
Damir A. Safin ◽  
Maria G. Babashkina ◽  
...  
Keyword(s):  
Visible Light ◽  
Living Cells ◽  
Kidney Cells ◽  
Human Embryonic Kidney ◽  
Eye Detection ◽  
Human Embryonic Kidney Cells ◽  
Naked Eye ◽  
Naked Eye Detection

A rhodamine–pyridine conjugate, REDA-2PC, can selectively monitor NCS− in human embryonic kidney cells 293. Visible light excitable probe allows fluorescence and naked eye detection of nanomolar NCS−.

scholarly journals A rhodamine-based dual chemosensor for the naked-eye detection of Hg2+ and enhancement of the fluorescence emission for Fe3+

2020 ◽  
Vol 19 (12) ◽  
pp. 1690-1696
Author(s):  
Jian-Peng Hu ◽  
Hao-Hang Yang ◽  
Qi Lin ◽  
Hong Yao ◽  
You-Ming Zhang ◽  
...  
Keyword(s):  
Metal Ions ◽  
Fluorescence Emission ◽  
Eye Detection ◽  
Naked Eye ◽  
Rhodamine Derivative ◽  
Turn On ◽  
Trimesoyl Chloride ◽  
Naked Eye Detection

Herein, we synthesized a trimesoyl chloride–rhodamine derivative TR. TR exhibited metal ions complexation induced photophysical ‘turn-on’ signaling responses to Hg2+ and Fe3+.

Two Rhodamine-based Turn on Chemosensors with High Sensitivity, Selectivity, and Naked-Eye Detection for Hg2+

2017 ◽  
Vol 30 (2) ◽  
pp. 225-230 ◽  
Author(s):  
Yan Zhou ◽  
Li-qiang Yan ◽  
Zhi-neng Kong ◽  
Wen-qi Du ◽  
Bao-ying Wu ◽  
...  
Keyword(s):  
High Sensitivity ◽  
Eye Detection ◽  
Naked Eye ◽  
Turn On ◽  
Naked Eye Detection

Equipment-free and visualized biosensor for transcription factor rapid assay based on dopamine-functionalized cellulose paper

2019 ◽  
Vol 7 (36) ◽  
pp. 5461-5464 ◽  
Author(s):  
Haiyang Lin ◽  
Xin Wang ◽  
Jiahui Wu ◽  
Haiyin Li ◽  
Feng Li
Keyword(s):  
Transcription Factor ◽  
Signal Amplification ◽  
Low Cost ◽  
Eye Detection ◽  
Rapid Assay ◽  
Cellulose Paper ◽  
Naked Eye ◽  
Naked Eye Detection ◽  
Transduction Factor

Dopamine-functionalized cellulose paper with low cost, portable, and disposable features was applied for an equipment-free and naked-eye detection of transduction factor based on the enzyme-assisted signal amplification/transduction reaction.

Selective Naked-Eye Detection of Hg2+ through an Efficient Turn-On Photoinduced Electron Transfer Fluorescent Probe and Its Real Applications

2014 ◽  
Vol 86 (17) ◽  
pp. 8693-8699 ◽  
Author(s):  
Priyanka Srivastava ◽  
Syed S. Razi ◽  
Rashid Ali ◽  
Ramesh C. Gupta ◽  
Suresh S. Yadav ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Fluorescent Probe ◽  
Photoinduced Electron Transfer ◽  
Eye Detection ◽  
Naked Eye ◽  
Turn On ◽  
Naked Eye Detection

A fluorescent probe for the specific detection of cysteine in human serum samples

2019 ◽  
Vol 11 (26) ◽  
pp. 3280-3285 ◽  
Author(s):  
Zhen Huang ◽  
Cuiyan Wu ◽  
Yaqian Li ◽  
Zile Zhou ◽  
Ruihua Xie ◽  
...  
Keyword(s):  
Human Serum ◽  
Fluorescent Probe ◽  
High Selectivity ◽  
Color Change ◽  
Eye Detection ◽  
Specific Detection ◽  
Serum Samples ◽  
Naked Eye ◽  
Turn On ◽  
Naked Eye Detection

A turn-on fluorescent probe for cysteine with high selectivity was designed and synthetized. The probe can be used for “naked-eye” detection of Cys with an obvious color change from yellow to colorless. The probe could be applied for Cys detection in real human serum.

A selective purine-based fluorescent chemosensor for the “naked-eye” detection of zinc ions (Zn2+): applications in live cell imaging and test strips

2020 ◽  
Vol 44 (35) ◽  
pp. 15195-15201 ◽  
Author(s):  
Haiyan Xu ◽  
Wei Chen ◽  
Weixia Zhang ◽  
Lixin Ju ◽  
Hongfei Lu
Keyword(s):  
Live Cell Imaging ◽  
Cell Imaging ◽  
High Selectivity ◽  
Living Cells ◽  
Fluorescent Chemosensor ◽  
Zinc Ions ◽  
Eye Detection ◽  
Naked Eye ◽  
Turn On ◽  
Naked Eye Detection

In this work, a novel purine based probe PTAHN was successfully designed and synthesized. PTAHN displayed high selectivity towards Zn2+via turn-on fluorescence. What's more, PTAHN can be proficiently employed for imaging Zn2+ in living cells.

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