Selective fluorometric detection of F− and Zn(ii) ions by a N, O coordinating sensor and naked eye detection of Cu(ii) ions in mixed-aqueous solution

RSC Advances ◽  
2015 ◽  
Vol 5 (56) ◽  
pp. 44764-44777 ◽  
Author(s):  
Amar Hens ◽  
Kajal Krishna Rajak
Keyword(s):  
Aqueous Solution ◽  
Copper Ions ◽  
Blue Emission ◽  
Green Emission ◽  
Fluorometric Detection ◽  
Eye Detection ◽  
Naked Eye ◽  
Mixed Aqueous Solution ◽  
Naked Eye Detection

A N, O coordinating sensor fluorogenically detects fluoride anions (λex = 330 nm, λem = 450 nm) with blue emission and Zn(ii) ions with green emission (λex = 405 nm, λem = 515 nm) as well as colorimetrically detecting copper ions.

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 Reversible Protein Folding and Unfolding in Aqueous Solution

2016 ◽  
Vol 94 (3) ◽  
pp. 350-355 ◽  
Author(s):  
Tess M. Carlson ◽  
Kevin W. Lam ◽  
Carol W. Lam ◽  
Jimmy Z. He ◽  
James H. Maynard ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Protein Folding ◽  
Eye Detection ◽  
Naked Eye ◽  
Naked Eye Detection

A reversible colorimetric chemosensor for naked-eye detection of copper ions using poly (aspartic acid) nanofibrous hydrogel

2015 ◽  
Vol 123 ◽  
pp. 380-385 ◽  
Author(s):  
Caidan Zhang ◽  
Lynn Yuqin Wan ◽  
Shaohua Wu ◽  
Dequn Wu ◽  
Xiaohong Qin ◽  
...  
Keyword(s):  
Aspartic Acid ◽  
Copper Ions ◽  
Eye Detection ◽  
Naked Eye ◽  
Colorimetric Chemosensor ◽  
Naked Eye Detection

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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