Synthesis and applications of porphyrin-based MOFs in removal of pesticide from wastewater: molecular simulations and experimental studies

Ayman.FM, Fatma; Taha, Mohamed; Farghali, Ahmed A.; Abdelhameed, Reda M.

doi:10.1039/d3ce01058a

Cited by 7 publications

(1 citation statement)

References 47 publications

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“…S5†), all the characteristic peaks of CuT can be observed in the patterns of CuT/MC and CuT/HC, especially those located at 1002 (N–Cu), 1407, and 1608 cm −1 (–COOCu), which indicate the presence of Cu-porphyrin and of secondary building units (SBUs) among the Cu-porphyrin rings. 30,31 This means that the 2D-frameworks of the dispersed CuT can be preserved, or the original CuT chips disperse as much smaller chips on the MC and HC. In the high-resolution electron microscopy (HREM) images, the preserved CuT frameworks on the MC and HC can be distinguished from the wormhole-like structures of the amorphous carbonaceous supports, and the elemental mappings further demonstrate the widespread CuT on the supports (Fig.…”

Section: Resultsmentioning

confidence: 99%

Excitation generated preferential binding sites for ethane on porous carbon–copper porphyrin sorbents: ethane/ethylene adsorptive separation improved by light

Qi,

Zhao,

et al. 2024

Chem. Sci.

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Section: Resultsmentioning

confidence: 99%

Excitation generated preferential binding sites for ethane on porous carbon–copper porphyrin sorbents: ethane/ethylene adsorptive separation improved by light

Qi,

Zhao,

et al. 2024

Chem. Sci.

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Positively Photo‐Responsive Adsorption Over Binary Copper Porphyrin Framework and Graphene Film Sorbents

Qi,

Ding,

Ding

et al. 2024

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Photo‐responsive adsorption has emerged as a vibrant area because it provides a promising route to reduce the energy consumption of the traditional adsorption separation. However, the current methodology to fabricate photo‐responsive sorbents is still subject to the photo‐deforming molecular units. In this study, a new initiative of photo‐dissociated electron‐hole pairs is proposed to generate amazing adsorption activity, and prove its feasibility. Employing CuPP [PP = 5,10,15,20‐tetrakis(4‐carboxyphenyl)porphyrin] framework nanosheets compounded with graphene, binary film (BF) sorbents are successfully fabricated. The paradigmatic BF nanostructure brings about efficiently photo‐excited electron‐hole pairs with durable enough lifetime to meet the needs of microscopic adsorption equilibrium, which ultimately alters the electron density distribution of adsorption surface, and thus markedly modulates the adsorption activity. Therefore, an amazing photo‐enhanced adsorption capability for the index gas CO can be gotten. Once exposed to the visible‐light at 420 nm, the CO adsorption capacity (0 °C, 1 bar) is risen from 0.23 mmol g−1 in the darkness to 1.66 mmol g−1, changed by + 622%. This is essentially different from majority of current photo‐responsive sorbents based on photo‐deforming molecular units, of which adsorption capability is only decreased with photo‐induction, and the maximum rate of change reported is just −54%.

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Microplastics in aquatic systems: A comprehensive review of its distribution, environmental interactions, and health risks

Pal,

Prabhakar,

Barua

et al. 2024

Environ Sci Pollut Res

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Microplastics (MPs) have become a critical pollutant, accumulating in aquatic ecosystems and posing significant environmental and human health risks. Approximately 5.25 trillion plastic particles float in global oceans, releasing up to 23,600 metric tonnes of dissolved organic carbon annually, which disrupts microbial dynamics. MPs arise from the breakdown of larger plastics, degraded by photodegradation, thermal degradation, and biological processes, which are influenced by polymer type and environmental factors. As carriers, MPs absorb and transport contaminants such as heavy metals, per- and polyfluoroalkyl substances (PFAS), and persistent organic pollutants (POPs) across trophic levels, thereby increasing toxicity within food webs. Key aquatic organisms, including microalgae, molluscs, and fish, experience cellular toxicity, oxidative stress, and disruptions in essential functions due to MP ingestion or adhesion, raising concerns about their bioaccumulation in humans through ingestion, inhalation, and dermal contact. The complex surface chemistry of MPs enhances their pollutant adsorption, a process modulated by environmental pH, salinity, and contamination levels, while aging and structural attributes further impact their bioavailability and toxicity. This review consolidates knowledge on MPs’ occurrence, transformation, pollutant interactions, and methodologies for sampling and analysis, emphasizing advancements in spectroscopy and imaging techniques to improve MP detection in aquatic environments. These insights underscore the pressing need for standardized analytical protocols and comprehensive toxicological research to fully understand MPs’ effects on ecosystems and human health, informing future mitigation strategies and policy development. Graphical abstract

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Synthesis and applications of porphyrin-based MOFs in removal of pesticide from wastewater: molecular simulations and experimental studies

Abstract: The high toxicity of pesticides to the ecosystem and humans has made their removal from water urgent. However, the properties of the insecticide made it challenging to complete the removal...

Cited by 7 publications

References 47 publications

Excitation generated preferential binding sites for ethane on porous carbon–copper porphyrin sorbents: ethane/ethylene adsorptive separation improved by light

Excitation generated preferential binding sites for ethane on porous carbon–copper porphyrin sorbents: ethane/ethylene adsorptive separation improved by light

Positively Photo‐Responsive Adsorption Over Binary Copper Porphyrin Framework and Graphene Film Sorbents

Microplastics in aquatic systems: A comprehensive review of its distribution, environmental interactions, and health risks

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