Bifunctional chemosensor based on a dye-encapsulated metal-organic framework for highly selective and sensitive detection of Cr2O72− and Fe3+ ions

Akram, Muhammad Awais; Ye, Junwei; Wang, Guangyao; Shi, Lei; Zhao, Longmao; Lü, Hao; Zhang, Siqi; Ning, Guiling

doi:10.1016/j.poly.2020.114604

Cited by 16 publications

(9 citation statements)

References 38 publications

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“…Cr O -anion may lead to some adverse health effects, including allergic reaction, renal failure, rhinitis, gene mutation, cancer, etc. [3,28,[33][34][35] Cr O -is not only identified as "A" carcinogen by the world health organization (WHO), [19,25,34] but also listed as a priority pollutant by the U. S. A. Environmental Protection Agency (EPA).…”

Section: Introductionmentioning

confidence: 99%

A Water-Soluble Naphthalimide-Based Fluorescent Probe for Specific Sensing of Fe³⁺ and $\text{C}{{\text{r}}_{2}}\text{O}_{7}^{2-}$

Shi¹,

Yu²,

Wu³

et al. 2022

Chinese Journal of Organic Chemistry

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Section: Introductionmentioning

confidence: 99%

A Water-Soluble Naphthalimide-Based Fluorescent Probe for Specific Sensing of Fe³⁺ and $\text{C}{{\text{r}}_{2}}\text{O}_{7}^{2-}$

Shi¹,

Yu²,

Wu³

et al. 2022

Chinese Journal of Organic Chemistry

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“…The application of this nanocomposite to remove AB92 from effluents is novel and is not tested until now (based on literature screening). Synthetic dyes are one of the most dangerous type of dyes that found in industrial wastewater [ 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 ] and should to be reduced to allowable amount before being discharged into the environment [ 59 ]. Then, the effect of changing the parameters such as pH, dye concentration, contact time, and dosage of adsorbent on the adsorption equilibrium and dye removal by BFO/CFO nanocomposites were investigated.…”

Section: Introductionmentioning

confidence: 99%

Barium/Cobalt@Polyethylene Glycol Nanocomposites for Dye Removal from Aqueous Solutions

Rahdar

Sattari

et al. 2021

Polymers

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Dyes are known as one of the most dangerous industrial pollutants which can cause skin diseases, allergy, and provoke cancer and mutation in humans. Therefore, one of the important environmental issues is the effective removal of dyes from industrial wastewater. In the current work, BaFe12O19/CoFe2O4@polyethylene glycol (abbreviated as BFO/CFO@PEG) nanocomposite was synthesized and evaluated regarding its capacity for adsorptive removal of a model dye Acid Blue 92 (denoted as AB92) from aqueous solutions. The characteristics of the prepared nanocomposite was determined by tests such as X-ray diffraction (XRD), scanning electron microscope (SEM), vibration sample magnetization (VSM), and Fourier transform infrared spectroscopy (FTIR). The effects of conditional parameters including pH (2–12), initial concentration of dye (20–100 mg/L), adsorbent dosage (0.02–0.1 g/L) and contact time (0-180 min) on the adsorption of dye were investigated and then optimized. The results indicated that with the increase of the adsorbent dosage from 0.02 to 0.1 g/L, the removal efficiency increased from 74.1% to 78.6%, and the adsorbed amount decreased from 148.25 to 31.44 mg/g. The maximum removal efficiency (77.54%) and adsorption capacity (31.02 mg/g) were observed at pH 2. Therefore, the general optimization conditions revealed that the maximum adsorption efficiency of dye was obtained in condition of initial concentration of 20 mg/L, contact time of 1 h and pH of solution equal 2. The adsorption isotherm and kinetic data were evaluated using a series of models. The pseudo-second order kinetic model and Freundlich isotherm model show the best fitting with experimental data with R2∼0.999.

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“…The industrial revolution has brought a tremendous increase in the production of toxic substances such as metal ions, organic dyes, residues of oil spills, etc. [1] which were dispersed in water. With an increase in environmental awareness, the concern about the risk for all kinds of marine and terrestrial life forms caused by the dispersion of hazardous substances has increased over the years.…”

Section: Introductionmentioning

confidence: 99%

“…Fe 3+ is essential in many living organisms. For example, Fe 3+ is involved in RNA synthesis, cellular metabolism and hemoglobin formation [1]. Despite this relevance, there is a specific window in the concentration of Fe 3+ that is beneficial to the organisms.…”

Section: Introductionmentioning

confidence: 99%

“…Despite this relevance, there is a specific window in the concentration of Fe 3+ that is beneficial to the organisms. An unbalanced administration (absence or excess of Fe 3+ ) can cause a series of diseases [2] related to the generation of reactive oxygen species that damages nucleic acids [1]. As a consequence, the detection of Fe 3+ in wastewater assumes a critical relevance in overall environmental monitoring.…”

Section: Introductionmentioning

confidence: 99%

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Carbon Dots-Doped Electrospun Fibers for Simultaneous Metal Ion Detection and Adsorption of Dyes

Oliveira

Pires

et al. 2020

Adv. Fiber Mater.

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The required treatment and monitoring of contaminants in wastewater reinforces the development of low-cost adsorbents/ chemosensors, introducing advantages relative to the detection/removal of toxic metals and dyes. Herein, it is reported a two-step process of fabrication of fluorescent carbon dots via the hydrothermal treatment of amino acids for the following encapsulation in electrospun fibers. The prominent anionic behavior of electrospun fibers of Eudragit L100 was explored for adsorption of cationic dyes (methylene blue and crystal violet)-with the prevailing electrostatic interaction of parts being favored by the formation of monolayers on the surface of adsorbents. On the other hand, the controlled release of carbon dots (CDs) from fibers to the reactor can be explored for a second application: the nitrogen ligands from released glycinebased carbon dots can be explored to indicate the presence of metal ions in aqueous solution. Our experiment resulted in a quenching in the fluorescence of the CDs in order of 90% in the emission of particles in the response of the presence of Fe 3+ ions, characterizing a promising perspective for this experimental system.

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Bifunctional chemosensor based on a dye-encapsulated metal-organic framework for highly selective and sensitive detection of Cr2O72− and Fe3+ ions

Cited by 16 publications

References 38 publications

A Water-Soluble Naphthalimide-Based Fluorescent Probe for Specific Sensing of Fe³⁺ and $\text{C}{{\text{r}}_{2}}\text{O}_{7}^{2-}$

A Water-Soluble Naphthalimide-Based Fluorescent Probe for Specific Sensing of Fe³⁺ and $\text{C}{{\text{r}}_{2}}\text{O}_{7}^{2-}$

Barium/Cobalt@Polyethylene Glycol Nanocomposites for Dye Removal from Aqueous Solutions

Carbon Dots-Doped Electrospun Fibers for Simultaneous Metal Ion Detection and Adsorption of Dyes

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Bifunctional chemosensor based on a dye-encapsulated metal-organic framework for highly selective and sensitive detection of Cr2O72− and Fe3+ ions

Cited by 16 publications

References 38 publications

A Water-Soluble Naphthalimide-Based Fluorescent Probe for Specific Sensing of Fe3+ and $\text{C}{{\text{r}}_{2}}\text{O}_{7}^{2-}$

A Water-Soluble Naphthalimide-Based Fluorescent Probe for Specific Sensing of Fe3+ and $\text{C}{{\text{r}}_{2}}\text{O}_{7}^{2-}$

Barium/Cobalt@Polyethylene Glycol Nanocomposites for Dye Removal from Aqueous Solutions

Carbon Dots-Doped Electrospun Fibers for Simultaneous Metal Ion Detection and Adsorption of Dyes

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Product

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About

A Water-Soluble Naphthalimide-Based Fluorescent Probe for Specific Sensing of Fe³⁺ and $\text{C}{{\text{r}}_{2}}\text{O}_{7}^{2-}$

A Water-Soluble Naphthalimide-Based Fluorescent Probe for Specific Sensing of Fe³⁺ and $\text{C}{{\text{r}}_{2}}\text{O}_{7}^{2-}$