Colorimetric and fluorescent sensing of a new FRET system via [5]helicene and rhodamine 6G for Hg2+ detection

2018 ◽  
Vol 42 (2) ◽  
pp. 1396-1402 ◽  
Author(s):  
Anuwut Petdum ◽  
Waraporn Panchan ◽  
Jitnapa Sirirak ◽  
Vinich Promarak ◽  
Thanasat Sooksimuang ◽  
...  

A “visually colorimetric” and fluorometric sensor based on [5]helicene connected to rhodamine 6G via a hydrazide moiety was designed and prepared for the highly sensitive and selective detection of Hg2+.

RSC Advances ◽  
2014 ◽  
Vol 4 (51) ◽  
pp. 27091-27097 ◽  
Author(s):  
Qingwang Xue ◽  
Yanqin Lv ◽  
Yuanfu Zhang ◽  
Shuling Xu ◽  
Qiaoli Yue ◽  
...  

A novel label-free amplified fluorescent sensing scheme based on target-responsive dumbbell probe-mediated rolling circle amplification (D-RCA) has been developed for sensitive and selective detection of mercuric ions.


2021 ◽  
Vol 233 ◽  
pp. 117911
Author(s):  
Minmin Wang ◽  
Linxia Lu ◽  
Wenwu Song ◽  
Xunyue Wang ◽  
Tongming Sun ◽  
...  

RSC Advances ◽  
2021 ◽  
Vol 11 (24) ◽  
pp. 14700-14709
Author(s):  
Rintumoni Paw ◽  
Moushumi Hazarika ◽  
Purna K. Boruah ◽  
Amlan Jyoti Kalita ◽  
Ankur K. Guha ◽  
...  

Synthesis of Ag nanoparticles using Allin based garlic extract for highly sensitive and selective detection of metal ions Hg2+ and Sn2+ in water. The limit of detection (LoD) for Hg2+ and Sn2+ ions were found as 15.7 nM and 11.25 nM respectively.


The Analyst ◽  
2021 ◽  
Author(s):  
Lu Gao ◽  
Jiadi Sun ◽  
Liping Wang ◽  
Qigao Fan ◽  
Gaowen Zhu ◽  
...  

Single-cell electrochemical sensor is used in the local selective detection of living cells because of its high spatial–temporal resolution and sensitivity, as well as its ability to obtain comprehensive cellular physiological states and processes.


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