Data and Competition: a General Framework with Applications to Mergers, Market Structure, and Privacy Policy [electronic journal].
Costly Concessions: An Empirical Framework for Matching with Imperfectly Transferable Utility [electronic journal].
Highly stable chiral Cr(III)-based metal–organic frameworks for enantioadsorption separation of aromatic alcohols
DOI: 10.1039/D4QI00113C, Research Article
Highly stable Cr-HMOFs Cr-HMOF-1 and Cr-HMOF-2 were synthesized for the first time directly using enantiomerically pure chiral ligands, showing excellent enantioselective separation performance for aromatic alcohol racemates.
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Harnessing nanoscale spatial effects in inner-modified zeolitic imidazolate framework-8 for enhanced Knoevenagel condensation reaction
DOI: 10.1039/D3QI02190D, Research Article
Precise carving of ZIF nanocrystals generates heterogeneous internal mesoporosity, providing effective mass transport and uncoordinated active sites for enhanced heterogeneous catalysis.
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Metal– and covalent organic frameworks for photocatalytic CO2 reduction coupled with H2O oxidation
DOI: 10.1039/D4QI00304G, Review Article
It outlines influencing factors of photocatalytic CO2 reduction coupled with water oxidation, along with catalytic mechanisms and performance enhancement strategies.
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Boosting structural variety and catalytic activity of porphyrinic metal–organic frameworks by harnessing bifunctional ligands
DOI: 10.1039/D4QI00314D, Research Article
High catalytic performance of porphyrin-based MOFs has been achieved by introducing multiple functionality into their ligands and modulating their conformation.
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Isostructural chiral metal–organic frameworks with metal-regulated performances for electrochemical enantiomeric recognition of tyrosine and tryptophan
DOI: 10.1039/D3QI02662K, Research Article
Two isostructural homochiral MOFs exhibit significantly different enantioselective recognition performances closely associated with the different coordination habits of the metal centers in the MOFs.
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Stable Calcium Ellagate Metal-Organic Framework as High Performance Green Memorizer Bearing High Working Temperature
DOI: 10.1039/D4QI00038B, Research Article
The development of green memorizers with distinct mechanism is significant. In this work, renewable polyphenol ellagic acid (EA) and environmentally friendly calcium were used to construct a unique 3D interpenetrated...
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Post-synthetic modification of a covalent organic framework via a thiol–ene reaction for improving fluorescence detection and removal of cationic crystal violet carcinogenic dye
DOI: 10.1039/D4QI00419A, Research Article
Based on a thiol–ene reaction, a covalent organic framework containing olefins (COF-A) is modified with 2-mercaptoacetic acid to prepare COF-S-COOH for the first time, which greatly improves the sensing and adsorption capacity for crystal violet.
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Trifluoroacetic acid molecules confined into/onto metal–organic frameworks using H2btzip for efficiently improving proton conductivity using a synergistic effect
DOI: 10.1039/D4QI00605D, Research Article
Two outstanding proton conducting materials have been obtained by loading TFA molecules onto/into the surface or pores of MOFs. After post-treatment, their proton conductivity values are greatly increased under the same conditions.
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When microplastics/plastics meet metal–organic frameworks: turning threats into opportunities
DOI: 10.1039/D4SC05205F, Review Article
The study discussed how MOFs treat microplastics, how to make plastic-based MOFs, and how MOF@plastic composites can be used. It aids in understanding how to convert plastic/microplastic concerns into opportunities for high-valued products.
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Probing water adsorption and stability under steam flow of Zr-based metal-organic frameworks using 91Zr solid-state NMR spectroscopy
DOI: 10.1039/D4SC04589K, Edge Article
The stability of metal-organic frameworks (MOFs) in the presence of water is crucial for a wide range of applications, including the production of freshwater, desiccation, humidity control, heat pumps/chillers and...
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Dual-functional porphyrinic zirconium-based metal–organic framework for the fluorescent sensing of histidine enantiomers and Hg2+
DOI: 10.1039/D3AY02241B, Paper
L-Cys/PCN-222 as a novel and dual-functional fluorescent sensor was developed. It not only showed a higher chiral fluorescent recognition of L-histidine but also performed as a visual sensor for Hg2+ in actual surface water.
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552: Do You Want to Build a JS Framework? ☃️ CSS Wishlist for 2023
Austin power updates, what do you need if you want to build a new JavaScript framework, and what do we hope CSS brings in 2023?
T.N. govt. sanctions funds to implement framework for flood protection work
The funds are to be utilised for the implementation and monitoring of an environmental and social management framework for flood protection work in Chennai, Tiruvallur, Chengalpattu, and Kancheepuram districts
A multi-scale framework for predicting α-cyclodextrin assembly on polyethylene glycol axles
DOI: 10.1039/D4SM01048E, Paper
We predict the assembly and time-dependent distribution of cyclodextrin along PEG axles by combining atomistic molecular dynamics with an analytical treatment of bulk diffusion. Our kinetic Monte Carlo can aid in the design of polypseudorotaxanes.
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An exceptional water stable terbium-based metal–organic framework for selective detection of pesticides
DOI: 10.1039/D4RA06622G, Paper
The terbium-based metal–organic frameworks (Tb-MOFs) were synthesized successfully under hydrothermal conditions, which could maintain at least 90% of the emission intensity after storage in water for several months.
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Harnessing the UiO-67 metal–organic framework for advanced detection of cadmium ions in water bodies
DOI: 10.1039/D4RA06811D, Paper
Heavy metal ions are hazardous pollutants that pose serious threats to ecosystems and human health, making it imperative to detect and monitor their presence in water for environmental protection.
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Zeolitic imidazolate framework-67 in chitosan-grafted hydrogel as an effective catalyst for peroxymonosulfate activation to degrade antibiotics and dyes
DOI: 10.1039/D4RA06537A, Paper
Zeolitic imidazolate framework-67 (ZIF-67) was synthesized in situ in the hydrogel of chitosan-grafted poly(acrylic acid) (chitosan-g-PAA) to activate peroxymonosulfate (PMS) and degrade tetracycline (TC).
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AI Ethical Framework: Three Things We Agree On
If not all AI is bad, then how do we decide whether a particular use of AI is ethical or not? How do we design and build AI features that are consistent with our values?
AI Ethical Framework: AI Model Questions
When people evaluate services, they often consider factors like cost, features, reliability, and performance. For AI, we want to extend those factors by asking questions about how the AI model is built and its impact.
AI Ethical Framework: AI Usage Questions
How we deploy AI in our work and product development may hold as much weight in shaping the risks and ethics as the specific models we choose.
Achieving isopropenyl-enriched polyisoprene: unraveling the role of bidentate vs. tridentate iron precatalysts through ligand framework design
DOI: 10.1039/D4DT02659D, Paper
The coordination sphere and steric variations in iron catalysts present a fascinating strategy for adjusting monomer regio- and stereoselective enchainment, leading to the development of novel polymer structures in isoprene polymerization.
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A Zr-based metal–organic framework drug release system with long-lasting antibacterial behavior for accelerating wound healing
DOI: 10.1039/D4DT02734E, Paper
A biocompatible Zr-based metal–organic framework drug release system, CIP@SU-102, was fabricated by the cation exchange method, which shows superior and long-lasting antibacterial activity as well as effective promotion of infected wound healing.
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Solvatomorphic Phase Transitions and Tunable Luminescence Emission in Lanthanide Metal-Organic Frameworks
DOI: 10.1039/D4DT02613F, Paper
Four new metal-organic frameworks with the formulae [Sm2(phen)2(NO3)2(chdc)2]·2Solv, where Solv = N,N-dimethylformamide (DMF; 1), N,N-dimethylacetamide (DMA; 2), N,N-diethylformamide (DEF; 3), N-formylpiperidine (NFP; 4), phen = 1,10-phenanthroline and chdc2– = trans-1,4-cyclohexanedicarboxylate...
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Rational fabrication of an anionic zinc carboxylate framework as a fluorescent probe for 2,6-pyridinedicarboxylic acid
DOI: 10.1039/D4DT02529F, Paper
An anionic zinc carboxylate framework has been fabricated as a fluorescent sensor for the detection of 2,6-pyridinedicarboxylic acid (DPA).
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Multifunctional chiral metal hydrogen-bonded organic frameworks constructed from lanthanide ions with a trigonal prismatic coordination environment
DOI: 10.1039/D4DT02131B, Paper
Four multifunctional chiral lanthanide hydrogen-bonded organic frameworks with second harmonic generation, single molecule magnet behavior and proton conductive ability are reported herein.
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Two amino-functionalized metal–organic frameworks with different topologies for C2H2/C2H4 separation
DOI: 10.1039/D4DT02592J, Communication
Two amino-functionalized metal–organic frameworks (UPC-121 and UPC-122) with different topologies were obtained by regulating metal ions. Among them, UPC-122 exhibit the potential to separate C2H2/C2H4 at room temperature.
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Ionic-liquid Functionalized Metal-organic Framework and Its High Performance Solid Electrolyte for Lithium-ion Conduction
DOI: 10.1039/D4DT02756F, Paper
Herein, we report a new type solid-state electrolyte based on MOF matrix and Li+ ionic liquid. By covalent bonding the Li+ ionic liquids (MIMS·LiTFSI) on the stable UiO-67 framework, the...
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Advances in metal–organic frameworks for optically selective alkaline phosphatase activity monitoring: a perspective
DOI: 10.1039/D4DT01727G, Perspective
MOFs can play three essential roles in ALP monitoring: they can serve as fluorescent probes, function in oxidation or peroxidation mechanisms, or combine both processes.
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Metal–organic framework-derived Se-blended ZrO2 with a nitrogen-doped carbon heterostructure for electrocatalytic overall water splitting
DOI: 10.1039/D4DT02542C, Paper
Electrocatalytic overall water splitting is achieved with ease at 1.58 V together with exciting stability over 48 h.
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Construction of oxygen-rich vacancies and heterojunctions coupled with different morphologies of CeO2/mesoporous TiO2 framework structures for efficient photocatalytic CO2 reduction performance
DOI: 10.1039/D4DT02014F, Paper
Construction of oxygen-rich vacancies and heterojunction-coupled CeO2/mesoporous TiO2 framework structures with different morphologies and efficient photocatalytic CO2 reduction performance.
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Imine bond-directed assembly of polyoxometalate-based metal–organic frameworks
DOI: 10.1039/D4DT02609H, Paper
A series of isostructural polyoxometalate-based MOFs were constructed by linking polyoxometalates and metal clusters with imine bonds under mild conditions.
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Alleviating hypoxia by integrating MnO2 with metal-organic frameworks coated upconversion nanocomposites for enhanced photodynamic therapy in vitro
DOI: 10.1039/D4DT02605E, Paper
Photodynamic therapy (PDT) requires the participation of abundant oxygen while the hypoxic tumor microenvironment limits the efficacy of PDT. Here, upconversion luminescent nanocomposites coated with metal-organic frameworks (MOFs) were synthesized...
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Customized structures of hydrogen-bonded organic frameworks towards photocatalysis
DOI: 10.1039/D4EE03766A, Review Article
This review provides a comprehensive analysis of the unique structural characteristics of HOFs and their diverse functional properties, while further exploring the potential of HOFs in the field of photocatalysis.
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XRDMatch: a semi-supervised learning framework to efficiently discover room temperature lithium superionic conductors
DOI: 10.1039/D4EE02970D, Paper
We propose XRDMatch, a semi-supervised learning framework that integrates consistency regularization and pseudo-labeling. Using X-ray diffraction patterns as descriptors, it effectively addresses data scarcity by leveraging abundant unlabeled data.
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Microenvironment engineering of covalent organic framework based single/dual-atom catalysts toward sustainable energy conversion and storage
DOI: 10.1039/D4EE03704A, Review Article
The recent advances in design principles, synthetic strategies, advanced characterization techniques and promising applications of state-of-the-art COF-based SACs/DACs were comprehensively discussed and explored.
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Advancing high-temperature electrostatic energy storage via linker engineering of metal–organic frameworks in polymer nanocomposites
DOI: 10.1039/D4EE04085F, Paper
High-performance, thermally resilient polymer dielectrics are essential for film capacitors used in advanced electronic devices and renewable energy systems, particularly at elevated temperatures where conventional polymers fail to perform. Compositing...
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Strengthening the India link in the Indo-Pacific Economic Framework for Prosperity
Palladium particle-catalyzed selective butadiene hydrogenation: effect of covalent organic framework modification
DOI: 10.1039/D3RE00606A, Paper
Deposition of a covalent organic framework on palladium nanoparticles induces geometric and electronic effects on the metal species and improves their selective performance in 1,3-butadiene hydrogenation.
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All-in-one Rh(III)-covalent organic framework for sustainable and regioselective C(sp2)–H bond functionalization
DOI: 10.1039/D4CY01098A, Paper
RhCOF-SYNU-1 serves as a transition-metal catalyst, photocatalyst, and metal ligand, enabling regioselective C(sp2)–H bond functionalization and offering a sustainable approach for Rh(III) catalysis.
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Highly effective solar CO2 fixation via photocatalytic carboxylation of aromatic amines with carbon dioxide over a covalent organic framework (COF) as a photocatalyst
DOI: 10.1039/D4CY00949E, Paper
Facile synthesis of the Tp-DAMS COF as a photocatalyst for efficient solar carboxylation of aromatic amines with CO2. The CO2 conversion efficiency into carboxylic acid is 99.9% without the necessity of using stoichiometric metallic reductants.
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Phenol Hydroxyl-Modified Imine-Based Covalent organic framework for enhanced solar-driven generation of H2O2 via Hydrogen Bonds
DOI: 10.1039/D4CY01096E, Paper
Photosynthesis of H2O2 have been considered an eco-friendly strategy. However, the concentration of H2O2 in reported studies is far from industrial requirement. Herein, we present a strategy by employing phenolic...
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Anthracene-based covalent organic framework supported palladium nanoparticles for visible-light-mediated Suzuki-Miyaura cross-coupling
DOI: 10.1039/D4CY01083C, Paper
An anthracene-based covalent organic framework (COF) anchoring Pd(0) nanoparticles (Pd/AntCOF) photocatalyzed Suzuki-Miyaura cross-coupling of arylbromides and arylboronic acids in water under blue LED irradiation at ambient temperature. The AntCOF both...
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Dual metal centers within a water-stable Co/Ni bimetallic metal-triazolate framework contribute to durable photocatalysis for water treatment
DOI: 10.1039/D4NR03940H, Communication
A bimetallic CoNi-MET with fixed metal occupancy combines the strong water resistance of Co-MET with the high porosity of a Ni-MET.
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Liquid exfoliation of a series of expanded layered Cu(II)-paddlewheel metal–organic frameworks to form nanosheets
DOI: 10.1039/D4NR02663B, Paper
The effects of linker length on nanosheet dimensions and properties are investigated through the ultrasonic liquid exfoliation of an isoreticular series of layered metal–organic frameworks.
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Copper(II)-based metal–organic framework delivery of calcium ascorbate for enhanced chemodynamic therapy via H2O2 self-supply and glutathione depletion
DOI: 10.1039/D3BM01922E, Paper
A Cu/ZIF-8/Vc-Ca/HA nanosystem synchronously releases Fenton catalytic Cu2+ and Vc-Ca to achieve improved chemodynamic therapy via H2O2 self-supply and GSH depletion.
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PET image-guided kidney injury theranostics enabled by a bipyramidal DNA framework
DOI: 10.1039/D3BM01575K, Paper
We constructed 68Ga-BDF and employed PET imaging to establish its pharmacokinetic model. BDF was eliminated from the body via the urinary system. We observed distinct imaging indicators in UUO and AKI mouse models. Furthermore, we observed the therapeutic effect of BDF on AKI.
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