4.7 Article

Constructing redox-active 3D covalent organic frameworks with high-affinity hexameric binding sites for enhanced uranium capture

Related references

Note: Only part of the references are listed.
Article Engineering, Chemical

A three-dimensional luminescent covalent organic framework for rapid, selective, and reversible uranium detection and extraction

Wei-Rong Cui et al.

Summary: A hydroxyl-functionalized 3D covalent organic framework (TAPM-DHBD) with strong fluorescence and 3D interconnected pore channels was synthesized and evaluated for uranium detection and extraction. TAPM-DHBD exhibited exceptional uranium extraction capacity and fast kinetics, with an ultra-low detection limit suitable for sensitive and on-site monitoring of radioactive uranium contamination. Furthermore, TAPM-DHBD showed excellent regenerable performance, providing a new strategy for radioactive contamination monitoring and strategic nuclides extraction.

SEPARATION AND PURIFICATION TECHNOLOGY (2023)

Article Engineering, Environmental

Immobilizing nZVI particles on MBenes to enhance the removal of U(VI) and Cr(VI) by adsorption-reduction synergistic effect

Fenglei Liu et al.

Summary: A novel collaborative strategy was developed by loading nZVI into the inter-layer structure of MBenes, enhancing the removal of U(VI)/Cr(VI). The results showed that nZVI@MBenes exhibited higher removal rate and saturated capacity compared to nZVI or MBenes.

CHEMICAL ENGINEERING JOURNAL (2023)

Article Chemistry, Physical

Novel donor-acceptor-acceptor ternary conjugated microporous polymers with boosting forward charge separation and suppressing backward charge recombination for photocatalytic reduction of uranium (VI)

Fengtao Yu et al.

Summary: A series of D-A(1)-A(2) terpolymers were developed through adjusting the monomer feed molar ratio, which can effectively inhibit charge recombination and facilitate charge separation for the photoreduction of uranium. Among them, PTrSO-2 with a FMR of 0.75:1.0:0.75 achieved a remarkable 99.5% photocatalytic U(VI) reduction efficiency within 120 min of visible-light irradiation, surpassing most reported photocatalysts for similar applications. This work provides a new strategy and unconventional thinking for the development of CMPs photocatalysts in the treatment of radioactive wastewater.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

Article Chemistry, Physical

Waste non-burn-free brick derived sulfhydryl functioned magnetic zeolites and their efficient removal of uranium(VI) ions

Yong Ai et al.

Summary: By using general waste such as non-burning brick as raw materials to prepare low-cost zeolite composites, the purpose of waste treatment with waste can be achieved, providing a new method for efficient adsorption of uranyl ions.

APPLIED SURFACE SCIENCE (2022)

Article Chemistry, Multidisciplinary

Are Highly Stable Covalent Organic Frameworks the Key to Universal Chiral Stationary Phases for Liquid and Gas Chromatographic Separations?

Chen Yuan et al.

Summary: This study demonstrates that two olefin-linked covalent organic frameworks (COFs) featuring chiral crown ether groups can be general chiral stationary phases (CSPs) for extensive separation in gas chromatography (GC) and both normal-phase and reversed-phase high-performance liquid chromatography (HPLC). These COFs show high stability under different chemical environments and have the ability for enantioselective recognition of guest molecules.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

Article Green & Sustainable Science & Technology

Bioinspired hierarchical porous membrane for efficient uranium extraction from seawater

Linsen Yang et al.

Summary: The oceans provide an almost infinite source of uranium, but current methods of extracting uranium from seawater are not economically viable or efficient. A hierarchical porous membrane inspired by fractal structures in biology has been designed to capture uranium effectively, showing potential for fulfilling the vast promise of the oceans as a reliable and sustainable energy source.

NATURE SUSTAINABILITY (2022)

Article Engineering, Environmental

Functionalized polyarylether-based COFs for rapid and selective extraction of uranium from aqueous solution

Zhongyue Li et al.

Summary: Two covalent organic framework adsorbents with different surface functional groups were fabricated, showing high uranium extraction capacity and resistance to high temperature at low pH conditions. The adsorbents also demonstrated fast and selective uranium adsorption. The adsorption mechanism was elucidated through X-ray absorption spectroscopy and density functional theory simulations.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Engineering, Environmental

Regenerable and stable biomimetic hydroxyl-modified metal-organic frameworks for targeted uranium capture

Wan-Wan Zhao et al.

Summary: By mimicking the binding motifs of bioreceptors, researchers have developed a series of multiple functional uranium adsorbents, with MOF CaNDI-oOH showing outstanding performance for uranium removal in wastewater. Experimental results and calculations indicate that the high performance of these adsorbents is attributed to multiple interactions.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Engineering, Environmental

Efficient removal of uranium from wastewater using pig manure biochar: Understanding adsorption and binding mechanisms

Jun Liao et al.

Summary: This study obtained three kinds of biochars with excellent adsorption performance towards UVI by carbonizing pig manure pre-treated with different agents, among which PMBC-PP and PMBC-HP showed significantly higher adsorption capacities compared to PMBC-H2O, with potassium permanganate pretreatment leading to a higher enhancement.

JOURNAL OF HAZARDOUS MATERIALS (2022)

Article Engineering, Environmental

A conveniently synthesized redox-active fluorescent covalent organic framework for selective detection and adsorption of uranium

Cheng-Peng Niu et al.

Summary: TFPPy-BDOH is a fluorescent covalent organic framework material with excellent selectivity for uranium and high adsorption capacity, capable of rapid and low-limit detection of uranium. Its core structural features are the regular porous channel structures and excellent hydrophilicity.

JOURNAL OF HAZARDOUS MATERIALS (2022)

Article Chemistry, Multidisciplinary

Bottom-Up Synthesis of 8-Connected Three-Dimensional Covalent Organic Frameworks for Highly Efficient Ethylene/Ethane Separation

Fazheng Jin et al.

Summary: By rationally designing and synthesizing three-dimensional COFs with 8-connected bcu networks, high crystallinity, good structural robustness, and high porosity, efficient removal of ethane and separation of ethylene/ethane can be achieved, providing important guidance for ethylene purification.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

Article Multidisciplinary Sciences

Halogen hydrogen-bonded organic framework (XHOF) constructed by singlet open-shell diradical for efficient photoreduction of U(VI)

Lijuan Feng et al.

Summary: While hydrogen-bonded organic frameworks are well-studied, halogen hydrogen-bonded organic frameworks (XHOF) remain less explored. The authors have demonstrated a highly stable XHOF and its potential for photocatalytic reduction of uranyl ions, suggesting a new direction for synthesizing crystalline framework materials.

NATURE COMMUNICATIONS (2022)

Article Chemistry, Multidisciplinary

In Vivo Uranium Decorporation by a Tailor-Made Hexadentate Ligand

Bin Chen et al.

Summary: This study successfully achieved efficient isolation of uranyl through the meticulous design of a ligand. By coordinating with uranyl, the ligand demonstrated ultrahigh binding affinity and excellent efficiency in removing uranyl in experiments. This research sets a new record in uranyl decorporation efficacy.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

Article Multidisciplinary Sciences

Constitutional isomerism of the linkages in donor-acceptor covalent organic frameworks and its impact on photocatalysis

Jin Yang et al.

Summary: Isomerism in covalent organic frameworks (COFs) has a significant impact on their structure and properties, especially the configuration and orientation of the linkages. Experimental results show that different constitutional isomers exhibit substantial differences in their photophysical properties and photocatalytic performance.

NATURE COMMUNICATIONS (2022)

Article Chemistry, Multidisciplinary

In Vivo Uranium Sequestration using a Nanoscale Metal-Organic Framework

Xiaomei Wang et al.

Summary: A novel agent for actinide sequestration utilizing a nanoscale metal-organic framework (nano-MOF) UiO-66-(COOH)(4)-180 is proposed, demonstrating rapid uranium uptake kinetics and efficient in vivo uranium removal. The material accumulates partially in kidneys and femurs, facilitating the in vivo sequestration of uranium, with significant reductions in uranyl deposits compared to the commercial actinide decorporation agent ZnNa3-DTPA.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Article Nanoscience & Nanotechnology

UiO-66-NH-(AO) MOFs with a New Ligand BDC-NH-(CN) for Efficient Extraction of Uranium from Seawater

Lin Ma et al.

Summary: A one-step post-synthetic method was used to prepare MOF UiO-66-NH-(AO) with good adsorption performance for uranium in seawater, allowing for multiple cycles of recycling in a seawater environment. This study offers a reliable approach for the modification of MOFs and the potential use of MOF-based materials for extracting uranium from seawater.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Nanoscience & Nanotechnology

Ultrasensitive and Selective Detection of Uranium by a Luminescent Terbium-Organic Framework

Min Lei et al.

Summary: YTU-100, a highly luminescent terbium-organic framework, shows exceptional sensitivity and selectivity towards uranium, offering an alternative approach for the simultaneous detection and removal of uranium from aqueous solutions.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Chemistry, Multidisciplinary

Functionalized Iron-Nitrogen-Carbon Electrocatalyst Provides a Reversible Electron Transfer Platform for Efficient Uranium Extraction from Seawater

Hui Yang et al.

Summary: The study demonstrates an adsorption-electrocatalysis strategy using a functionalized iron-nitrogen-carbon catalyst for efficient uranium extraction from seawater, reducing uranium concentration to very low levels and providing technological innovation in this field.

ADVANCED MATERIALS (2021)

Article Chemistry, Physical

Rational design of covalent organic frameworks as a groundbreaking uranium capture platform through three synergistic mechanisms

Wei-Rong Cui et al.

Summary: This study presents a method using covalent organic framework for the selective capture and reduction of uranium, achieving a high uranium capture capacity. DHBD-TMT shows efficient uranium adsorption in both dark and light conditions, with excellent photocatalytic activity.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Engineering, Environmental

A fully conjugated organic polymer via Knoevenagel condensation for fast separation of uranium

Xiaofeng Li et al.

Summary: A pore-free adsorbent with abundant active sites is beneficial for the fast separation of uranium. The two-dimensional olefin-linked conjugated organic polymer prepared in this study showed good stability, excellent fluorescence property, and high N atom content, resulting in excellent performance in uranium adsorption and separation. Its nearly pore-free structure, due to irregular staggered stacking, exhibited fast adsorption behavior towards uranium, confirming the feasibility of pore-free materials for rapid adsorption.

JOURNAL OF HAZARDOUS MATERIALS (2021)

Article Engineering, Environmental

Efficient uranium reduction of bacterial cellulose-MoS2 heterojunction via the synergistically effect of Schottky junction and S-vacancies engineering

Tao Chen et al.

Summary: Integration of schottky junction and defect engineering on adsorbent-semiconductors offers a promising strategy for photocatalytic reduction of U(VI). The BC-MoS2-x heterojunction exhibited high removal efficiency, cycle stability, and selective U(VI) removal in the presence of competing metal cations. The use of organic matter as a hole trapping agent to enhance U(VI) removal efficiency may pave the way for the development of rationally designed heterojunction photocatalysts.

CHEMICAL ENGINEERING JOURNAL (2021)

Review Environmental Sciences

Recent advances in metal-organic framework membranes for water treatment: A review

Shujun Yu et al.

Summary: Metal-organic frameworks (MOFs) containing membranes show excellent removal performances for various pollutants through mechanisms like size-exclusion, pi-pi stacking interaction, electrostatic interaction, and hydrogen bonding. Further research is needed to explore their potential environmental applications in practical wastewater treatment.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

Article Chemistry, Multidisciplinary

3D Thioether-Based Covalent Organic Frameworks for Selective and Efficient Mercury Removal

Yiying Zhang et al.

Summary: The study reports the use of thioether-based 3D COFs for mercury removal, demonstrating high adsorption capacity, speed, and selectivity. Particularly, JUC-570 shows exceptional chemical stability and cycling performance, offering a new method for constructing stable functionalized 3D COFs.

SMALL (2021)

Article Multidisciplinary Sciences

Extremely stable amidoxime functionalized covalent organic frameworks for uranium extraction from seawater with high efficiency and selectivity

Gong Cheng et al.

Summary: A polyarylether-based covalent organic framework functionalized with open-chain amidoxime was synthesized for efficient uranium extraction from seawater. The adsorbent demonstrated high selectivity for uranium over vanadium, with significantly enhanced adsorption capacity, and high stability, making it a promising material for uranium extraction from natural seawater.

SCIENCE BULLETIN (2021)

Article Chemistry, Multidisciplinary

Deuterated Covalent Organic Frameworks with Significantly Enhanced Luminescence

Mengjia Yuan et al.

Summary: By introducing the isotope effect, the luminescence performance of COFs has been significantly improved. The deuterated COF achieved an impressive 19-fold enhancement in quantum yield compared to the non-deuterated counterpart. This strategy is proven to be applicable to many other types of emissive COFs.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Article Engineering, Environmental

Bio-inspired hydroxylation imidazole linked covalent organic polymers for uranium extraction from aqueous phases

Run-Han Yan et al.

Summary: This study developed a series of adsorbents for uranium extraction inspired by the interaction between imidazole affinity ligand of histidine and uranium. The covalent organic polymers showed promising extraction abilities with high selectivity for uranium, highlighting the potential for environmental protection and human health. The synergistic effects between hydroxyl groups and imidazole linkages contributed to the high efficiency of uranium extraction.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Engineering, Environmental

Preparation of amidoxime modified porous organic polymer flowers for selective uranium recovery from seawater

Mudasir Ahmad et al.

Summary: The study focused on the synthesis of amidoxime modified porous organic polymer flower-like structure (POP-AOF) adsorbent for efficient uranium(VI) removal from seawater and simulated solutions. POP-AOF showed great potential in energy and environmental applications due to its high functionality, high selectivity, and multistep kinetics controlled by secondary building units. Coordination with uranium(VI) in seawater was achieved through amidoxime groups acting as bidentate ligands, indicating the promise of acrylonitrile and amidoxime chemistry in developing new adsorbents for uranium(VI) removal.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Chemistry, Multidisciplinary

Nanospace Decoration with Uranyl-Specific Hooks for Selective Uranium Extraction from Seawater with Ultrahigh Enrichment Index

Yanpei Song et al.

Summary: This study introduces a new type of uranium nanotraps, which demonstrate enhanced efficiency and selectivity in uranium extraction by incorporating specific ligands into porous organic polymers, overcoming the challenge of competitive adsorption from substances like vanadium. The optimized uranium nanotrap can extract over one-third of uranium from seawater, presenting a new benchmark in uranium adsorbents. Additionally, the nanotraps show promise in regeneration and increasing selectivity through mild base treatment, providing a mechanistic approach for optimizing chelator selectivity.

ACS CENTRAL SCIENCE (2021)

Review Chemistry, Multidisciplinary

Optoelectronic processes in covalent organic frameworks

Niklas Keller et al.

Summary: COFs are crystalline porous materials constructed from molecular building blocks using diverse linkage chemistries, allowing for tailor-made design and a variety of building blocks for different functionalities. They have been integrated with various building blocks for applications in optoelectronics, semiconductors, sensors, photocatalysts, supercapacitors, batteries, and more.

CHEMICAL SOCIETY REVIEWS (2021)

Article Chemistry, Multidisciplinary

A Bio-inspired Nano-pocket Spatial Structure for Targeting Uranyl Capture

Yihui Yuan et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Engineering, Environmental

Insight into the performance and mechanism of low-cost phytic acid modified Zn-Al-Ti LMO for U(VI) removal

Yawen Cai et al.

CHEMICAL ENGINEERING JOURNAL (2020)

Article Chemistry, Multidisciplinary

Modulating Benzothiadiazole-Based Covalent Organic Frameworks via Halogenation for Enhanced Photocatalytic Water Splitting

Weiben Chen et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Chemistry, Multidisciplinary

Irreversible Amide-Linked Covalent Organic Framework for Selective and Ultrafast Gold Recovery

Hai-Long Qian et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Chemistry, Multidisciplinary

Regenerable Covalent Organic Frameworks for Photo-enhanced Uranium Adsorption from Seawater

Wei-Rong Cui et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Chemistry, Multidisciplinary

Vinylene-Linked Covalent Organic Frameworks (COFs) with Symmetry-Tuned Polarity and Photocatalytic Activity

Junsong Xu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Chemistry, Multidisciplinary

Vinylene-Bridged Two-Dimensional Covalent Organic Frameworks via Knoevenagel Condensation of Tricyanomesitylene

Shuai Bi et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

Article Chemistry, Multidisciplinary

Synthesis of Vinylene-Linked Covalent Organic Frameworks from Acetonitrile: Combining Cyclotrimerization and Aldol Condensation in One Pot

Amitava Acharjya et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

Article Multidisciplinary Sciences

DNA nano-pocket for ultra-selective uranyl extraction from seawater

Yihui Yuan et al.

NATURE COMMUNICATIONS (2020)

Article Chemistry, Multidisciplinary

Macro/Microporous Covalent Organic Frameworks for Efficient Electrocatalysis

Xiaojia Zhao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

Article Nanoscience & Nanotechnology

Nano-MOF+ Technique for Efficient Uranyl Remediation

Lin Xu et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

Article Engineering, Environmental

Ultrahigh uranium uptake by magnetic magnesium ferrite loaded hydrothermal carbon nanosheets under acidic condition

Xiaofeng Li et al.

CHEMICAL ENGINEERING JOURNAL (2019)

Article Multidisciplinary Sciences

A 3,2-Hydroxypyridinone-based Decorporation Agent that Removes Uranium from Bones In Vivo

Xiaomei Wang et al.

NATURE COMMUNICATIONS (2019)

Article Chemistry, Physical

Mussel-inspired antifouling magnetic activated carbon for uranium recovery from simulated seawater

Feifei Zhang et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2019)

Article Chemistry, Physical

Highly fluorescent conjugated microporous polymers for concurrent adsorption and detection of uranium

Meiyun Xu et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

Article Chemistry, Multidisciplinary

Postsynthetic Functionalization of Three-Dimensional Covalent Organic Frameworks for Selective Extraction of Lanthanide Ions

Qiuyu Lu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

Article Chemistry, Multidisciplinary

Fast, Ambient Temperature and Pressure lonothermal Synthesis of Three-Dimensional Covalent Organic Frameworks

Xinyu Guan et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

Article Multidisciplinary Sciences

Bio-inspired nano-traps for uranium extraction from seawater and recovery from nuclear waste

Qi Sun et al.

NATURE COMMUNICATIONS (2018)

Article Engineering, Environmental

Direct extraction of U(VI) from alkaline solution and seawater via anion exchange by metal-organic framework

Jian Qiang Li et al.

CHEMICAL ENGINEERING JOURNAL (2017)

Article Chemistry, Multidisciplinary

Enrichment and Encapsulation of Uranium with Iron Nanoparticle

Lan Ling et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

Article Chemistry, Physical

Surface functionalized manganese ferrite nanocrystals for enhanced uranium sorption and separation in water

Seung Soo Lee et al.

JOURNAL OF MATERIALS CHEMISTRY A (2015)

Article Chemistry, Multidisciplinary

Polymer-coated nanoporous carbons for trace seawater uranium adsorption

Yue YanFeng et al.

SCIENCE CHINA-CHEMISTRY (2013)