Recent Advances in Porous Bio-Polymer Composites for the Remediation of Organic Pollutants DOI Open Access

Nayereh S. Tadayoni,

Mohammad Dinari,

Aleena Roy

и другие.

Polymers, Год журнала: 2024, Номер 16(11), С. 1543 - 1543

Опубликована: Май 30, 2024

The increasing awareness of the importance a clean and sustainable environment, coupled with rapid growth both population technology, has instilled in people strong inclination to address issue wastewater treatment. This global concern prompted individuals prioritize proper management purification wastewater. Organic pollutants are very persistent due their destructive effects, it is necessary remove them from In last decade, porous organic polymers (POPs) have garnered interest among researchers effectiveness removing various types pollutants. Porous biopolymers seem be suitable candidates POPs. Sustainable consumption environmental protection, as well reducing toxic chemicals, advantages using preparation effective composites Composites containing biopolymers, like other POPs, can through absorption, membrane filtration, or oxidative photocatalytic effects. Although based on shown relatively good performance pollutants, insufficient strength limits performance. On hand, comparison including covalent frameworks, they weaker Therefore, generally used compounds. seems research these investigate reasons for composite components. review exhaustively investigates recent progress use removal form adsorbents, membranes, catalysts, etc. Information regarding mechanism, functionality, each component construction discussed. following provides vision future opportunities biopolymers.

Язык: Английский

pH-Stable Zn(II) Coordination Polymer as a Multiresponsive Turn-On and Turn-Off Fluorescent Sensor for Aqueous Medium Detection of Al(III) and Cr(VI) Oxo-Anions DOI
Supriya Mondal, Rupam Sahoo, Madhab C. Das

и другие.

Inorganic Chemistry, Год журнала: 2023, Номер 62(34), С. 14124 - 14133

Опубликована: Авг. 17, 2023

Nowadays, coordination polymers (CPs) are promising candidates as sensory materials for their high sensitivity, improved selectivity, fast responsive nature, well good recyclability. However, poor chemical stability often makes practical usage limited. Herein, employing a mixed ligand approach, we constructed chemically robust CP, {[Zn2L2(DPA)2]·3H2O}n (IITKGP-70, IITKGP stands the Indian Institute of Technology Kharagpur), which exhibited excellent framework robustness not only in water but also over broad range pH solutions (pH = 3–11). The developed displayed selectivity and sensitivity detection trivalent Al3+ ions toxic hexavalent Cr(VI)-oxo anions an aqueous medium. medium turn-on phenomenon with limit (LOD) value 1.29 μM, whereas turn-off effect was observed oxo-anions (Cr2O72– CrO42–) having LOD values 0.27 0.71 respectively. Both mechanisms speculated via spectroscopic methods coupled several ex situ studies. Such multiresponsive nature (both turn-off) targeted cations simultaneously single platform robustness, ease scalability, recyclability, fast-responsive IITKGP-70 highly fascinating material real-world applications.

Язык: Английский

Процитировано

26

Recent Development of Metal–Organic Frameworks for Water Purification DOI
Islam M. El‐Sewify, Shengqian Ma

Langmuir, Год журнала: 2024, Номер 40(10), С. 5060 - 5076

Опубликована: Фев. 28, 2024

Water contamination is an increasing concern to mankind because of the amount pollutants in aquatic ecosystems. To purify polluted water, various techniques have been used remove hazardous components. Unfortunately, traditional cleanup with a low uptake capacity are unable achieve water purification. Metal–organic frameworks (MOFs) recently shown potential effective pollutant isolation terms selectivity and adsorption over porous materials. The high surface area versatile functionality MOFs allow for development new adsorbents. range treatments recent five years will be highlighted this review, along assessments performance relevant particular task. Moreover, outlook on future opportunities purification using also provided.

Язык: Английский

Процитировано

17

Recent progress in separation of technetium-99 from spent nuclear fuel and radioactive waste. Challenges and prospects DOI

Yuri A. Ustynyuk,

Nelly I. Zhokhova,

Zoia A. Sizova

и другие.

Coordination Chemistry Reviews, Год журнала: 2024, Номер 508, С. 215759 - 215759

Опубликована: Март 14, 2024

Язык: Английский

Процитировано

15

Carbon quantum dots modified Z and S–Scheme heterojunctions for pharmaceutical contaminants photodegradation: State–of–the–art, benefits, and limitations DOI
Haitao Ren,

Abdelkader Labidi,

Atif Sial

и другие.

Separation and Purification Technology, Год журнала: 2024, Номер 346, С. 127508 - 127508

Опубликована: Апрель 16, 2024

Язык: Английский

Процитировано

15

Photocatalytic, antimicrobial and antibiofilm activities of MgFe2O4 magnetic nanoparticles DOI Creative Commons
Ahmed M. El‐Khawaga,

Mohamed Ayman,

Omar Hafez

и другие.

Scientific Reports, Год журнала: 2024, Номер 14(1)

Опубликована: Июнь 5, 2024

Abstract This study reports the antibacterial and antibiofilm activities of Magnesium ferrite nanoparticles (MgFe 2 O 4 ) against gram-positive gram-negative bacteria. The photocatalytic degradation Carbol Fuchsin (CF) dye (a class dyestuffs that are resistant to biodegradation) under influence UV-light irradiation is also studied. crystalline magnesium were synthesized using co-precipitation method. morphology resulting nanocomposite was examined scanning electron microscopy (SEM), while transmission (TEM) employed for further characterization particle size. Fourier transform infrared (FTIR) spectroscopy X-ray diffraction (XRD) utilized analyze structure, chemical composition, surface area, respectively. Optical properties evaluated UV–Vis spectroscopy. UV-assisted performance MgFe assessed by studying decolorization fuchsin azo dye. crystallite size at (311) plane, most prominent peak, determined be 28.5 nm. 10 ppm CF 15 mg resulted in a significant 96% reduction after 135 min ambient temperature (25 °C) pH value 9. Additionally, exhibited potent activity E. coli S. aureus dose dependent manner with maximum concentration 30 µg/ml. Specifically, demonstrated substantial via disk diffusion microbroth dilution tests zones inhibition minimum inhibitory concentrations (MIC) (26.0 mm, 1.25 µg/ml) (23.0 2.5 µg/ml), Moreover, 10.0 µg/ml elicited marked percent biofilm formation (89%) followed (78.5%) treatment. In conclusion, efficient removal capabilities along antimicrobial bacterial strains suggesting their potential as promising detoxifying agents.

Язык: Английский

Процитировано

14

Understanding the Mechanisms and Applications of Luminescent Covalent Organic Frameworks (COFs) for Multi-Analyte Sensing DOI
R. Arvind Singh, Brij Mohan, Neera Raghav

и другие.

Journal of Molecular Structure, Год журнала: 2024, Номер 1321, С. 139945 - 139945

Опубликована: Сен. 7, 2024

Язык: Английский

Процитировано

14

Advances on silver-based MOFs and/or CPs and their composites: Synthesis strategies and applications DOI
Supriya Mondal, Rupam Sahoo, Janaki Behera

и другие.

Coordination Chemistry Reviews, Год журнала: 2024, Номер 514, С. 215924 - 215924

Опубликована: Май 11, 2024

Язык: Английский

Процитировано

11

Tailored multifunctional composite hydrogel based on chitosan and quaternary ammonium ionic liquids@montmorillonite with different chain lengths for effective removal of dyes and 4-nitrophenol DOI
Aowei Lv,

Xue Lv,

Xiaoyan Xu

и другие.

Separation and Purification Technology, Год журнала: 2024, Номер 342, С. 127019 - 127019

Опубликована: Март 5, 2024

Язык: Английский

Процитировано

10

Large-Scale Synthesis of Covalent Organic Frameworks: Challenges and Opportunities DOI Creative Commons
Harsh Vardhan,

Grace Rummer,

Angela Deng

и другие.

Membranes, Год журнала: 2023, Номер 13(8), С. 696 - 696

Опубликована: Июль 27, 2023

Connecting organic building blocks by covalent bonds to design porous crystalline networks has led frameworks (COFs), consequently transferring the flexibility of dynamic linkages from discrete architectures extended structures. By virtue library and diversity topologies, COFs have emerged as a novel field materials that propose platform for tailor-made complex structural design. Progress over past two decades in design, synthesis, functional exploration diverse applications successively established these chemistry. The large-scale synthesis with uniform structures properties is profound importance commercialization industrial applications; however, this its infancy at present. An innovative designing synthetic approaches paved ways address future hurdles. This review article highlights fundamental COFs, including principles, coupling reactions, diversity, strategies, characterization, growth mechanism, activation aspects COFs. Finally, major challenges trends COF fabrication are outlined.

Язык: Английский

Процитировано

21

Governing the Porosity and Morphology of Zeolitic Imidazolate Framework-Derived Functional Carbons toward Improved Adsorption of Cationic Dyes DOI
Aleksander Ejsmont, Subhajit Dutta, Agata Jankowska

и другие.

Chemistry of Materials, Год журнала: 2024, Номер 36(9), С. 4468 - 4480

Опубликована: Апрель 17, 2024

Nitrogen-rich porous carbons prepared from zeolitic imidazolate frameworks (ZIFs) offer a promising platform for the effective confinement of small guest molecules. However, key challenge within domain liquid-phase adsorption lies in prevailing microporosity ZIF-derived carbons, which impedes diffusion larger molecules and hinders efficiency. In order to maximize carbon availability, methods reshaping particle morphology generating mesoporosity are being dynamically developed. Herein, we present strategy that addresses limitations conventional ZIF-8 endeavors increase capacities toward organic pollutants via generation dual-pore system along with obtaining diverse morphologies. We envisioned developing two strategies synthesize unique ZIF precursors. The first method focused on preparation zinc oxides form nanoparticles or flowers. second approach, crystalline phase was transformed into pseudopolymorphic (ZIF-CO3-1) two-dimensional structure. study unveils unexplored application ZIF-CO3-1 preparing functional carbons. Owing architecture ZnO@ZIF-8 precursors, their high-temperature carbonization generated hierarchical porosity (micro/mesopores). Compared microporous adsorbents exhibited superior performance removing Auramine-O Brilliant Green dyes, sorption 257–544 247–395 mg/g, respectively. Their efficiency is attributed elevated textural parameters, rich surface chemistry, morphology, improved pore accessibility.

Язык: Английский

Процитировано

9