A styrylpyridinium dye as chromogenic and fluorogenic dual mode chemosensor for selective detection of mercuric ion: Application in bacterial cell imaging and molecular logic gate

2020 ◽  
Vol 174 ◽  
pp. 108054 ◽  
Author(s):  
Madhusmita Tripathy ◽  
Usharani Subuddhi ◽  
Sabita Patel
RSC Advances ◽  
2019 ◽  
Vol 9 (44) ◽  
pp. 25919-25931 ◽  
Author(s):  
Kalyani Rout ◽  
Amit Kumar Manna ◽  
Meman Sahu ◽  
Jahangir Mondal ◽  
Sunil K. Singh ◽  
...  

A novel triazole-based bis Schiff base colorimetric and fluorescent chemosensor (L) has been designed, synthesized and characterized. The chemo-sensor L shows its application potential in the detection of Cu2+ and Pb2+ in living cells and building molecular logic gate.


RSC Advances ◽  
2014 ◽  
Vol 4 (58) ◽  
pp. 30666-30672 ◽  
Author(s):  
Deblina Sarkar ◽  
Arindam Pramanik ◽  
Sujan Biswas ◽  
Parimal Karmakar ◽  
Tapan Kumar Mondal

The new coumarin based fluorescent ‘turn-on’ chemosensor (H2L) efficiently detects Al3+ over other metal ions. It is efficient in detecting Al3+ in the intracellular region of HeLa cells and also exhibits an INHIBIT logic gate with Al3+ and EDTA as chemical inputs.


2021 ◽  
pp. 116445
Author(s):  
Malini Nelson ◽  
Harikrishnan Muniyasamy ◽  
Aravind Manikka Kubendran ◽  
Ashokkumar Balasubramaniem ◽  
Murugesan Sepperumal ◽  
...  

2017 ◽  
Vol 15 (19) ◽  
pp. 4115-4121 ◽  
Author(s):  
Zhen-Hai Fu ◽  
Lu-Bin Yan ◽  
Xiaolong Zhang ◽  
Fan-Fan Zhu ◽  
Xin-Long Han ◽  
...  

Relay recognition of copper(ii) ions and biothiolsviaa fluorescence “on–off–on” cascade has been realized in 100% aqueous solution when excited by the visible light.


2019 ◽  
Author(s):  
Adam Eördögh ◽  
Carolina Paganini ◽  
Dorothea Pinotsi ◽  
Paolo Arosio ◽  
Pablo Rivera-Fuentes

<div>Photoactivatable dyes enable single-molecule imaging in biology. Despite progress in the development of new fluorophores and labeling strategies, many cellular compartments remain difficult to image beyond the limit of diffraction in living cells. For example, lipid droplets, which are organelles that contain mostly neutral lipids, have eluded single-molecule imaging. To visualize these challenging subcellular targets, it is necessary to develop new fluorescent molecular devices beyond simple on/off switches. Here, we report a fluorogenic molecular logic gate that can be used to image single molecules associated with lipid droplets with excellent specificity. This probe requires the subsequent action of light, a lipophilic environment and a competent nucleophile to produce a fluorescent product. The combination of these requirements results in a probe that can be used to image the boundary of lipid droplets in three dimensions with resolutions beyond the limit of diffraction. Moreover, this probe enables single-molecule tracking of lipids within and between droplets in living cells.</div>


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