Label-free colorimetric aptasensor for IgE using DNA pseudoknot probe

The Analyst ◽  
2014 ◽  
Vol 139 (13) ◽  
pp. 3347-3351 ◽  
Author(s):  
Chia-Chen Chang ◽  
Chen-Yu Chen ◽  
Xihong Zhao ◽  
Tzu-Heng Wu ◽  
Shih-Chung Wei ◽  
...  
Keyword(s):  
Detection Limit ◽  
High Selectivity ◽  
Colorimetric Assay ◽  
Simple Design ◽  
Label Free ◽  
Low Detection Limit ◽  
Structure Switching ◽  
Colorimetric Aptasensor

A simple design of a label-free colorimetric assay for IgE was demonstrated based on a structure-switching aptamer with a low detection limit of 0.2 nM and high selectivity.

An ultra-highly sensitive and selective self-enhanced AIECL sensor for public security early warning in a nuclear emergency via a co-reactive group poisoning mechanism

2021 ◽  
Author(s):  
Ziyu Wang ◽  
Meiyun Xu ◽  
Nan Zhang ◽  
Jian-Bin Pan ◽  
Xinqi Wu ◽  
...  
Keyword(s):  
Detection Limit ◽  
Early Warning ◽  
High Selectivity ◽  
Public Security ◽  
Reactive Group ◽  
Low Detection Limit ◽  
Highly Sensitive ◽  
Vapor Sensors ◽  
Nuclear Emergency

A mechanism of co-reactive group poisoning (CGP) was discovered for designing efficient I2 vapor sensors for early warning of a nuclear emergency, which give an ultra-low detection limit of 0.13 ppt as well as high selectivity.

A reusable fluorescent sensor from electrosynthesized water-soluble oligo(1-pyrenesulfonic acid) for effective detection of Fe3+

2018 ◽  
Vol 42 (24) ◽  
pp. 19450-19457 ◽  
Author(s):  
Nannan Jian ◽  
Kaiwen Lin ◽  
Bin Guo ◽  
Ge Zhang ◽  
Ximei Liu ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Detection Limit ◽  
High Selectivity ◽  
Fluorescent Sensor ◽  
Water Soluble ◽  
Low Detection Limit

Electrosynthesized oligo(1-pyrenesulfonic acid) displays high selectivity, low detection limit and outstanding reversibility in the detection of Fe3+ in aqueous solution.

Fiber-optics: a new route towards ultra-low detection limit label-free biosensing

2019 ◽  
Author(s):  
Pablo Zubiate ◽  
Desiree Santano ◽  
Aitor Urrutia ◽  
Carlos R. Zamarreño ◽  
Silvia Díaz ◽  
...  
Keyword(s):  
Detection Limit ◽  
Fiber Optics ◽  
Label Free ◽  
Low Detection Limit

A ratiometric fluorescent probe for rapid and sensitive visualization of hypochlorite in living cells

RSC Advances ◽  
2014 ◽  
Vol 4 (81) ◽  
pp. 43110-43113 ◽  
Author(s):  
Jiayu Zha ◽  
Boqiao Fu ◽  
Caiqin Qin ◽  
Lintao Zeng ◽  
Xichao Hu
Keyword(s):  
Detection Limit ◽  
Fluorescent Probe ◽  
High Selectivity ◽  
Fast Response ◽  
Living Cells ◽  
Low Detection Limit ◽  
Colorimetric Response ◽  
Ratiometric Fluorescent Probe

A novel fluorescent probe displayed a colorimetric response to ClO− with high selectivity, fast response and a low detection limit (0.08 μM).

A highly selective two-photon fluorescent probe for the determination of mercury ions

The Analyst ◽  
2015 ◽  
Vol 140 (9) ◽  
pp. 3285-3289 ◽  
Author(s):  
Fang Liu ◽  
Changqin Ding ◽  
Ming Jin ◽  
Yang Tian
Keyword(s):  
Detection Limit ◽  
Fluorescent Probe ◽  
High Selectivity ◽  
Fluorescent Sensor ◽  
Mercury Ions ◽  
Two Photon ◽  
Specific Recognition ◽  
Low Detection Limit ◽  
Recognition Molecule

A two-photon fluorescent sensor ATD was developed for Hg2+ determination with high selectivity and low detection limit, in which two-photon fluorophore TD was designed and synthesized with a specific recognition molecule for Hg2+ – PT.

A nanofluidic device for ultrasensitive and label-free detection of tetracycline in association with γ-cyclodextrin and GO

2021 ◽  
Vol 13 (15) ◽  
pp. 1832-1838
Author(s):  
Jiaxi Cheng ◽  
Fenghua Jiang ◽  
Siqi Zhang
Keyword(s):  
Detection Limit ◽  
Water Samples ◽  
Recovery Rate ◽  
Label Free ◽  
Detection Range ◽  
Low Detection Limit ◽  
Sensing Platform ◽  
Label Free Detection ◽  
Nanofluidic Device

We develop a label-free, sensitive and selective nanochannel sensing platform for detection of TC. The nanosensor provided a low detection limit, a wide detection range and excellent recovery rate in different water samples.

A colorimetric approach for measuring mercuric ions with high selectivity using label-free gold nanoparticles and thiourea

2015 ◽  
Vol 7 (16) ◽  
pp. 6837-6841 ◽  
Author(s):  
Qianru Wang ◽  
Yiran Li ◽  
Min Li ◽  
Congying Wen ◽  
Rongsheng Liu ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
High Selectivity ◽  
Colorimetric Assay ◽  
Label Free ◽  
Au Nps ◽  
Free Gold ◽  
Mercuric Ions

A simple, sensitive and selective colorimetric assay was developed for detecting Hg2+ by coupling Au NPs with thiourea.

A novel 3,6-diamino-1,8-naphthalimide derivative as a highly selective fluorescent “turn-on” probe for thiols

RSC Advances ◽  
2015 ◽  
Vol 5 (42) ◽  
pp. 32990-32993 ◽  
Author(s):  
Cheng Dong ◽  
Chun-Qiong Zhou ◽  
Jian-Wei Yang ◽  
Ting-Cong Liao ◽  
Jin-Xiang Chen ◽  
...  
Keyword(s):  
Detection Limit ◽  
High Selectivity ◽  
Turn On ◽  
Low Detection Limit

A novel 3,6-diamino-1,8-naphthalimide-based fluorescent “turn-on” probe exhibited high selectivity and low detection limit toward Cys.

Supersensitive and selective detection of picric acid explosive by fluorescent Ag nanoclusters

The Analyst ◽  
2016 ◽  
Vol 141 (3) ◽  
pp. 1091-1097 ◽  
Author(s):  
Jian Rong Zhang ◽  
Yuan Yuan Yue ◽  
Hong Qun Luo ◽  
Nian Bing Li
Keyword(s):  
Detection Limit ◽  
High Selectivity ◽  
Picric Acid ◽  
Special Structure ◽  
Selective Detection ◽  
Low Detection Limit ◽  
Ag Nanoclusters

The combination of polyethyleneimine-capped Ag nanoclusters and picric acid (PA) containing a special structure facilitates the detection of PA, with a low detection limit and a remarkably high selectivity over other nitroaromatics.

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