Sensitive fluorescence detection of mercury(ii) in aqueous solution by the fluorescence quenching effect of MoS2 with DNA functionalized carbon dots

The Analyst ◽  
2016 ◽  
Vol 141 (22) ◽  
pp. 6344-6352 ◽  
Author(s):  
K. Srinivasan ◽  
K. Subramanian ◽  
K. Murugan ◽  
K. Dinakaran

Highly sensitive detection of mercury(ii) ions by using a fluorescence spectrometer using MoS2 nanosheets and DNA labeled carbon dots is presented.

RSC Advances ◽  
2021 ◽  
Vol 11 (39) ◽  
pp. 23975-23984
Author(s):  
Xue Yang ◽  
Yixia Ren ◽  
Hongmei Chai ◽  
Xiufang Hou ◽  
Zhixiang Wang ◽  
...  

Four fluorescent 2D Zn-MOFs based on a flexible triangular ligand and linear N-donor ligands are hydrothermally prepared and used to detect nitrobenzene in aqueous solution with high sensitivity, demonstrating their potential as fluorescent sensors.


The Analyst ◽  
2020 ◽  
Vol 145 (1) ◽  
pp. 206-212 ◽  
Author(s):  
Feng Zhang ◽  
Ling Xiang ◽  
Xianghui Xiao ◽  
Xiaoming Chen ◽  
Chunyan Chen ◽  
...  

Because rapid and selective methods for HIV detection are urgently needed, herein, a simple label- and enzyme-free strategy is constructed for fluorescence detection of HIV DNA.


2015 ◽  
Vol 51 (24) ◽  
pp. 5036-5039 ◽  
Author(s):  
Hao Chen ◽  
Yujie Xie ◽  
Alexander M. Kirillov ◽  
Liangliang Liu ◽  
Minghui Yu ◽  
...  

By preparing biocompatible carbon dots (CDs) that act as the scaffold and fluorescence reference, a ratiometric fluorescent nanoprobe based on Tb3+ ions functionalized CDs was designed and fabricated to detect an anthrax biomarker with high selectivity and sensitivity.


RSC Advances ◽  
2018 ◽  
Vol 8 (46) ◽  
pp. 26212-26217 ◽  
Author(s):  
Wei He ◽  
Xiangying Sun ◽  
Wenting Weng ◽  
Bin Liu

The fluorescence of carbon dots self-assembled multilayers (CDs SAMs) can be enhanced by graphene, the sensing sensitivity for tetracycline hydrochloride of CDs SAMs with graphene is two orders higher than that of SAMs without graphene.


2015 ◽  
Vol 3 (18) ◽  
pp. 4713-4722 ◽  
Author(s):  
Zebin Sun ◽  
Haizhen Li ◽  
Dan Guo ◽  
Jian Sun ◽  
Guijia Cui ◽  
...  

A multifunctional core-shell magnetic fibrous silica sensing probe AQ-Fe3O4@SiO2@KCC-1 was prepared for the detection, adsorption and removal of Zn2+ in aqueous solution.


2015 ◽  
Vol 3 (11) ◽  
pp. 2378-2387 ◽  
Author(s):  
Hao Li ◽  
Juan Liu ◽  
Sijie Guo ◽  
Yalin Zhang ◽  
Hui Huang ◽  
...  

Fluorescent carbon dots (CDs)/tyrosinase hybrid as a fluorescent probe for efficient, fast and sensitive detection of levodopa.


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