A fluorescent and colorimetric probe containing oxime-ether for Pd2+ in pure water and living cells

The Analyst ◽  
2016 ◽  
Vol 141 (3) ◽  
pp. 832-835 ◽  
Author(s):  
Mian Wang ◽  
Yanglei Yuan ◽  
Hongmei Wang ◽  
Zhaohai Qin

A coumarin based probe that contains oxime-ether (1) shows high selectivity and high sensitivity for Pd2+ in pure water and can ratiometrically image Pd2+ in living cells.

Biosensors ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 130
Author(s):  
Ruo-Jun Man ◽  
Meng-Ke Wu ◽  
Bing Yang ◽  
Yu-Shun Yang

In this work, a novel fluorescent probe with first-time-selected thiazepine backbone, TZPzine-1, was developed for selective detection of hydrazine in water samples and living cells. Chosen from our recent anti-cancer agents, TZPzine-1 inferred structurally based advantages of the optical adjustability and the hydrazine-trapping approach. It also showed applicable properties including high sensitivity (LOD = 50 nM), wide linear range (0–15 equiv.), high selectivity (especially from competing species), rapid response (within 20 min), and practical steadiness in various pH (6.0–11.0) and temperature (15–50 °C) conditions. To satisfy the interdisciplinary requirements in environmental toxicology, TZPzine-1 was successfully applied in water samples and living cells. We hope that the information in this work, as well as the concept of monitoring the nitrogen cycle, may be referable for future research on systematic management.


RSC Advances ◽  
2019 ◽  
Vol 9 (22) ◽  
pp. 12675-12680 ◽  
Author(s):  
Luyi Zong ◽  
Can Wang ◽  
Yuchen Song ◽  
Jie Hu ◽  
Qianqian Li ◽  
...  

A red fluorescent and colorimetric probe (NDI-Py) exhibited high selectivity and sensitivity towards copper ions both in solution and on silica gel plates.


2017 ◽  
Vol 41 (16) ◽  
pp. 8026-8030 ◽  
Author(s):  
Xiang-Zhu Chen ◽  
Xiao-Dong Ma ◽  
Hong-Mei Wang ◽  
Mian Wang ◽  
Yuan-Yuan Zhang ◽  
...  

The new sensor containing oxime-ether can detect Pd2+with high sensitivity and high selectivity in aqueous medium.


2019 ◽  
Vol 7 (46) ◽  
pp. 7332-7337 ◽  
Author(s):  
Xiuli Zhong ◽  
Qing Yang ◽  
Yingshuang Chen ◽  
Yuliang Jiang ◽  
Bingxiang Wang ◽  
...  

Herein, a novel coumarin–pyridine derivative (CPD) was prepared and exhibited a rapid response, large Stokes shifts, dual channel detection, high selectivity and high sensitivity toward OCl− in mitochondria of A549 cells and zebrafish.


2021 ◽  
Author(s):  
Sha Deng ◽  
Qiao Lei ◽  
Junzhe Cai ◽  
Yuliang Jiang ◽  
Jian Shen

Abstract Although cyanogen ion (CN-) plays important role in industry which also bring acute environmental pollution. More serious, trace CN- enters the human body can cause serious consequences and even death. Therefore, it is of great significance to detect trace CN- with high sensitivity. Herein, a novel aggregation-induced emission (AIE) probe C-BH was synthesized based on coumarin matrix. Probe C-BH showed high selectivity and sensitivity toward CN- by dual channel response due to the excited state intramolecular proton transfer (ESIPT). The low detection limit was calculated to be 0.05 µM. Moreover, probe C-BH was successfully used for imaging CN- in living cells and zebrafish due to its low toxicity and excellent optical properties.


2015 ◽  
Vol 3 (5) ◽  
pp. 919-925 ◽  
Author(s):  
Shi-Li Shen ◽  
Xin-Peng Chen ◽  
Xiao-Fan Zhang ◽  
Jun-Ying Miao ◽  
Bao-Xiang Zhao

A novel rhodamine B-based lysosomal pH probe RML was developed. RML responded to acidic pH with short response time, high selectivity and high sensitivity and could detect lysosomal pH change in living cells.


2021 ◽  
Vol 9 (7) ◽  
pp. 1811-1820
Author(s):  
Shuang Yan ◽  
Bin Luo ◽  
Jia He ◽  
Fang Lan ◽  
Yao Wu

Novel bimetallic metal–organic framework nanocomposites were fabricated by a facile yet efficient method. The as-prepared nanomaterial exhibited high sensitivity and high selectivity toward phosphopeptides and good reusability of five cycles for enriching phosphopeptides.


Author(s):  
Dongyuan Wang ◽  
Qiang Yin ◽  
Ming Zheng ◽  
Yongbo Xie ◽  
Wen He ◽  
...  

2021 ◽  
Author(s):  
Feng Gao ◽  
Xiaolong Tu ◽  
Yongfang Yu ◽  
Yansha Gao ◽  
Jin Zou ◽  
...  

Abstract Herein, an efficient electrochemical sensing platform is proposed for selective and sensitive detection of nitrite on the basis of Cu@C@Zeolitic imidazolate framework-8 (Cu@C@ZIF-8) heterostructure. Core-shell Cu@C@ZIF-8 composite was synthesized by pyrolysis of Cu-metal-organic framework@ZIF-8 (Cu-MOF@ZIF-8) in Ar atmosphere on account of the difference of thermal stability between Cu-MOF and ZIF-8. For the sensing system of Cu@C@ZIF-8, ZIF-8 with proper pore size allows nitrite diffuse through the shell, while big molecules cannot, which ensures high selectivity of the sensor. On the other hand, Cu@C as electrocatalyst promotes the oxidation of nitrite, thereby resulting high sensitivity of the sensor. Accordingly, the Cu@C@ZIF-8 based sensor presents excellent performance for nitrite detection, which achieves a wide linear response range of 0.1 µM to 300.0 µM, and a low limit of detection (LOD) of 0.033 µM. In addition, the Cu@C@ZIF-8 sensor possesses excellent stability and reproducibility, and was employed to quantify nitrite in sausage samples with recoveries of 95.45-104.80%.


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