Nitrogenous carbon dot decorated natural microcline: an ameliorative dual fluorometric probe for Fe3+ and Cr6+ detection

2020 ◽  
Vol 49 (30) ◽  
pp. 10554-10566
Author(s):  
Souravi Bardhan ◽  
Shubham Roy ◽  
Dipak Kr. Chanda ◽  
Saheli Ghosh ◽  
Dhananjoy Mondal ◽  
...  
Keyword(s):  
Fluorescent Probe ◽  
Water Samples ◽  
Real Life ◽  
Carbon Dot

This work reports a C-dot loaded natural microcline based selective and sensitive dual fluorescent probe for hazardous Fe3+ and Cr6+ detection in water along with its effects in real-life water samples.

scholarly journals Highly sensitive sensing of hydroquinone and catechol based on β-cyclodextrin-modified carbon dots

RSC Advances ◽  
2018 ◽  
Vol 8 (35) ◽  
pp. 19381-19388 ◽  
Author(s):  
Zhong-Yi Lin ◽  
Yuan-Chieh Kuo ◽  
Chih-Jui Chang ◽  
Yu-Syuan Lin ◽  
Tai-Chia Chiu ◽  
...  
Keyword(s):  
Fluorescent Probe ◽  
Efficient Method ◽  
Water Samples ◽  
Carbon Dots ◽  
Carbon Dot ◽  
Highly Sensitive

In the proposed study, an efficient method for a carbon dot@β-cyclodextrin (C-dot@β-CD)-based fluorescent probe was developed for the analyses of catechol (CC) and hydroquinone (HQ) at trace levels in water samples.

Carbon dot doped silica nanoparticles as fluorescent probe for determination of bromate in drinking water samples

2018 ◽  
Vol 96 (1) ◽  
pp. 24-29 ◽  
Author(s):  
Guoqiang Xiang ◽  
Huanhuan Fan ◽  
Heng Zhang ◽  
Lijun He ◽  
Xiuming Jiang ◽  
...  
Keyword(s):  
Drinking Water ◽  
Silica Nanoparticles ◽  
Fluorescent Probe ◽  
Water Samples ◽  
Carbon Dot ◽  
Relative Standard ◽  
Silylation Reaction ◽  
Drinking Water Samples ◽  
Sensor Probe

A simple and effective strategy for designing a fluorescent probe for bromate was described in this work. Organosilane modified carbon dots were prepared by pyrolysis of citric acid in N-(β-aminoethyl)-γ-aminopropyl methyldimethoxysilane solvent at 230 °C and further doped onto silica nanoparticles by a silylation reaction. The fluorescence of carbon dot doped silica nanoparticles was quenched by bromate in acidic medium. By utilizing this property, the nanoparticle could be used as a sensor to detect bromate. The parameters affecting the performance of the sensor probe such as types of acid medium, acid concentration, reaction temperature, and time were investigated and optimized. The detection limit of the sensor was found to be 1.1 ng mL−1, with a linear range from 8 to 400 ng mL−1 and relative standard deviation of 2.0% (150 ng mL−1, n = 9). The method was successfully applied to the determination of bromate in drinking water samples, and the recoveries were in the range of 96.3%–103.7%.

A pH-sensitive multifunctional fluorescent probe based on N-annulated perylene for the sensitive and selective detection of hypochlorous acid

2017 ◽  
Vol 1 (11) ◽  
pp. 2292-2298 ◽  
Author(s):  
Xiao Zhang ◽  
Yongchao Yan ◽  
Qing Peng ◽  
Jian Wang ◽  
Yandi Hang ◽  
...  
Keyword(s):  
Fluorescent Probe ◽  
Water Samples ◽  
Hypochlorous Acid ◽  
Ph Sensitive ◽  
Selective Detection

The pH-sensitive multifunctional fluorescent probe PNPM based on N-annulated perylene was firstly developed for detecting HOCl selectively. And the probe could detect pH and HOCl simultaneously, and was successfully employed to detect HOCl in serum and water samples.

scholarly journals Determination of Trace Levels of Cu(II) or Hg(II) in Water Samples by a Thiourea-based Fluorescent Probe

2008 ◽  
Vol 24 (9) ◽  
pp. 1205-1208 ◽  
Author(s):  
Pinzhu QIN ◽  
Chenggang NIU ◽  
Guangming ZENG ◽  
Jianhua ZHU ◽  
Lin YUE
Keyword(s):  
Fluorescent Probe ◽  
Water Samples
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