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.

A novel peptide-based fluorescent chemosensor for measuring zinc ions using different excitation wavelengths and application in live cell imaging

2015 ◽  
Vol 3 (17) ◽  
pp. 3617-3624 ◽  
Author(s):  
Peng Wang ◽  
Jiang Wu ◽  
Panpan Zhou ◽  
Weisheng Liu ◽  
Yu Tang
Keyword(s):  
Aqueous Solution ◽  
Live Cell Imaging ◽  
Cell Imaging ◽  
Resonance Energy Transfer ◽  
Resonance Energy ◽  
Living Cells ◽  
Fluorescent Chemosensor ◽  
Zinc Ions ◽  
Enhanced Fluorescence ◽  
Chelation Enhanced Fluorescence

A novel peptide-based fluorescent chemosensor containing both tryptophan and a dansyl fluorophore has been designed to detect Zn2+ in 100% aqueous solution and living cells via two pathways including fluorescence resonance energy transfer and chelation enhanced fluorescence.

Cascade reaction-based rapid and ratiometric detection of H2S/S2− in the presence of bio-thiols with live cell imaging: demasking of ESIPT approach

RSC Advances ◽  
2014 ◽  
Vol 4 (107) ◽  
pp. 62639-62643 ◽  
Author(s):  
Shyamaprosad Goswami ◽  
Abhishek Manna ◽  
Monalisa Mondal ◽  
Debasish Sarkar
Keyword(s):  
Excited State ◽  
Benzoic Acid ◽  
Live Cell Imaging ◽  
Cell Imaging ◽  
Intramolecular Proton Transfer ◽  
Phenyl Ester ◽  
Eye Detection ◽  
Naked Eye ◽  
Ratiometric Detection ◽  
Naked Eye Detection

For the rapid, ratiometric, fluorogenic and “naked eye” detection of H2S/S2−, a pro-excited state intramolecular proton transfer (ESIPT)-based receptor, 2-formyl-benzoic acid 2-benzothiazol-2-yl-phenyl ester (FBBP), has been designed.

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 rhodamine based “turn-on” fluorescent probe for Pb(ii) and live cell imaging

RSC Advances ◽  
2016 ◽  
Vol 6 (1) ◽  
pp. 656-660 ◽  
Author(s):  
Omprakash Sunnapu ◽  
Niranjan G. Kotla ◽  
Balaji Maddiboyina ◽  
Subramanian Singaravadivel ◽  
Gandhi Sivaraman
Keyword(s):  
Fluorescent Probe ◽  
Live Cell Imaging ◽  
Cell Imaging ◽  
High Selectivity ◽  
Aqueous Media ◽  
Live Cell ◽  
Fluorescent Chemosensor ◽  
Turn On

A novel “turn-on” fluorescent chemosensor RDP-1 based on rhodamine tri methoxy benzaldehyde conjugate was synthesized, which showed high selectivity and sensitivity towards recognition of Pb2+ in aqueous media.

A Schiff's base receptor for red fluorescence live cell imaging of Zn2+ ions in zebrafish embryos and naked eye detection of Ni2+ ions for bio-analytical applications

2017 ◽  
Vol 5 (17) ◽  
pp. 3195-3200 ◽  
Author(s):  
A. Senthil Murugan ◽  
N. Vidhyalakshmi ◽  
U. Ramesh ◽  
J. Annaraj
Keyword(s):  
Live Cell Imaging ◽  
Cell Imaging ◽  
Zebrafish Embryos ◽  
Eye Detection ◽  
Schiff’S Base ◽  
Naked Eye ◽  
Analytical Applications ◽  
Dual Detection ◽  
Naked Eye Detection ◽  
Fluorescence Live Cell Imaging

A quinoline based chemosensor for dual detection of Ni2+/Zn2+ ions and its bio-analytical applications.

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...

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