A redox route for the fluorescence detection of lead ions in sorghum, river water and tap water and a desk study of a paper-based probe

2018 ◽  
Vol 10 (26) ◽  
pp. 3256-3262 ◽  
Author(s):  
Pan Li ◽  
Jiawei Li ◽  
Minghong Bian ◽  
Danqun Huo ◽  
Changjun Hou ◽  
...  
Keyword(s):  
River Water ◽  
Fluorescence Detection ◽  
Tap Water ◽  
Fluorescence Assay ◽  
Sensitive Detection ◽  
Lead Ions ◽  
Label Free

In this paper, we developed a label-free fluorescence assay employing BSA-Au NCs, S2O32−, and 2-ME for the highly selective and sensitive detection of Pb2+ in sorghum, river water and tap water.

Turn-on and label-free fluorescence detection of lead ions based on target-induced G-quadruplex formation

2015 ◽  
Vol 51 (38) ◽  
pp. 8165-8168 ◽  
Author(s):  
Lijun Xu ◽  
Xiaoqiang Shen ◽  
Shanni Hong ◽  
Jine Wang ◽  
Yuanyuan Zhang ◽  
...  
Keyword(s):  
Fluorescence Detection ◽  
High Sensitivity ◽  
Lead Ions ◽  
Label Free ◽  
Low Background ◽  
Background Fluorescence ◽  
Turn On ◽  
Sensing Systems ◽  
G Quadruplex ◽  
Quadruplex Formation

Using a guanine-rich sequence (AGRO100) and N-methyl mesoporphyrin IX (NMM), a turn-on and label-free fluorescent Pb2+ sensor with high sensitivity and low background fluorescence was presented as a representative of five turn-on sensing systems.

Fluorescence assay based on the thioflavin T-induced conformation switch of G-quadruplexes for TET1 detection

The Analyst ◽  
2021 ◽  
Vol 146 (7) ◽  
pp. 2126-2130
Author(s):  
Xue Chen ◽  
Ying Cheng ◽  
Yafen Wang ◽  
Jing Tang ◽  
Fang Wang ◽  
...  
Keyword(s):  
Fluorescence Assay ◽  
Fluorescence Method ◽  
Thioflavin T ◽  
Sensitive Detection ◽  
Label Free ◽  
Specific Design ◽  
Highly Sensitive ◽  
Highly Sensitive Detection

A simple and label-free fluorescence method is developed for the highly sensitive detection of TET1 based on ThT/G-quadruplexes in combination with the specific design of oligonucleotides.

A sensitive detection method of carcinoembryonic antigen based on dsDNA-templated copper nanoparticles

2018 ◽  
Vol 42 (16) ◽  
pp. 13702-13707 ◽  
Author(s):  
Mingjian Chen ◽  
Farjana Yeasmin Khusbu ◽  
Changbei Ma ◽  
Kefeng Wu ◽  
Han Zhao ◽  
...  
Keyword(s):  
Carcinoembryonic Antigen ◽  
Copper Nanoparticles ◽  
Detection Method ◽  
Fluorescence Assay ◽  
Sensitive Detection ◽  
Label Free

A label-free fluorescence assay has been developed for the detection of carcinoembryonic antigen based on dsDNA-templated copper nanoparticles.

Target-controlled formation of silver nanoclusters in abasic site-incorporated duplex DNA for label-free fluorescence detection of theophylline

Nanoscale ◽  
2014 ◽  
Vol 6 (17) ◽  
pp. 9977-9982 ◽  
Author(s):  
Ki Soo Park ◽  
Seung Soo Oh ◽  
H. Tom Soh ◽  
Hyun Gyu Park
Keyword(s):  
Fluorescence Detection ◽  
Silver Nanoclusters ◽  
Sensitive Detection ◽  
Duplex Dna ◽  
Label Free ◽  
Abasic Site

A novel, label-free, fluorescence based sensor for the selective and sensitive detection of theophylline has been developed.

A light-up fluorescence assay for tumor cell detection based on bifunctional split aptamers

The Analyst ◽  
2018 ◽  
Vol 143 (15) ◽  
pp. 3579-3585 ◽  
Author(s):  
Yuqiong Sun ◽  
Baoyin Yuan ◽  
Meitao Deng ◽  
Qing Wang ◽  
Jin Huang ◽  
...  
Keyword(s):  
Tumor Cell ◽  
Tumor Cells ◽  
Fluorescence Detection ◽  
Fluorescence Assay ◽  
Cell Detection ◽  
Label Free ◽  
Tumor Cell Detection ◽  
One Step

Truncating, splitting and fusing of two aptamers for label-free and one-step fluorescence detection of tumor cells.

Label-free and ultrasensitive fluorescence assay for Fe3+ detection using DNA-Templated Ag nanoclusters

2019 ◽  
Vol 579 ◽  
pp. 123656 ◽  
Author(s):  
Zhiqing Zhang ◽  
Tingting Liu ◽  
Changle Yue ◽  
Shanshan Wang ◽  
Jie Ma ◽  
...  
Keyword(s):  
Fluorescence Assay ◽  
Label Free ◽  
Ag Nanoclusters

Label-free and Simple Detection of Trace Pb(II) in Tap Water Using Non-faradaic Impedimetric Sensors

2021 ◽  
pp. 112833
Author(s):  
Abdulaziz K. Assaifan ◽  
Mahmoud Hezam ◽  
Mahmoud A. Al-Gawati ◽  
Khaled E. Alzahrani ◽  
Abdullah Alswieleh ◽  
...  
Keyword(s):  
Tap Water ◽  
Label Free ◽  
Simple Detection
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