Articles with "copper metal" as a keyword



Controlling the Oxidation State of Copper in Metal-Organic Frameworks for CO Electroreduction to Acetate.

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Published in 2025 at "Small"

DOI: 10.1002/smll.202509324

Abstract: The electrochemical carbon monoxide reduction reaction (CORR) represents a promising approach for the conversion of CO into acetate. However, the efficiency and selectivity of CO-to-acetate conversion are hindered by the competing formation of other products.… read more here.

Keywords: copper metal; selectivity acetate; oxidation state; acetate ... See more keywords
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Enhanced cancer therapy by hypoxia-responsive copper metal-organic frameworks nanosystem.

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Published in 2020 at "Biomaterials"

DOI: 10.1016/j.biomaterials.2020.120278

Abstract: Tumor hypoxia-responsive size-switchable nanosystems for precise delivery of drug into deep tumor show great prospects for killing cancer cells with high specificity and minimal invasiveness. However, the development of versatile nanosystems is still a challenge.… read more here.

Keywords: hypoxia responsive; copper metal; responsive copper; metal organic ... See more keywords

Enhanced Catalytic Activity for CO Oxidation by Highly Active Pd Nanoparticles Supported on Reduced Graphene Oxide /Copper Metal Organic Framework

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Published in 2021 at "Journal of the Taiwan Institute of Chemical Engineers"

DOI: 10.1016/j.jtice.2021.08.034

Abstract: Abstract As a result of the increase in industrial activities and the extensive use of automobiles, air pollutants, especially carbon monoxide, reach the alarm level. The removal of carbon monoxide through oxidation is still one… read more here.

Keywords: nanoparticles supported; graphene oxide; copper metal; oxidation ... See more keywords
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Flexible Microporous Copper(II) Metal-Organic Framework toward the Storage and Separation of C1-C3 Hydrocarbons in Natural Gas.

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Published in 2021 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c01045

Abstract: A flexible and robust microporous copper(II) metal-organic framework (MOF) based on a methyl-functionalized ligand, namely, [Cu3(μ3-OH)2(L)2(DMF)] (LIFM-ZZ-1; L = 2,2'-dimethyl-4,4'-biphenyldicarboxylic acid and DMF = N,N-dimethylformamide), was constructed. Its sorption performance for the separation of CH4,… read more here.

Keywords: copper metal; metal organic; gas; microporous copper ... See more keywords

Enhanced Catalytic Activity of a Copper(II) Metal–Organic Framework Constructed via Semireversible Single-Crystal-to-Single-Crystal Dehydration

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Published in 2024 at "ACS Omega"

DOI: 10.1021/acsomega.3c05999

Abstract: Herein, we present a copper(II) metal–organic framework, [Cu2(btec)(OH2)4]·2H2O (1) [(btec)4– = 1,2,4,5-benzenetetracarboxylate], that undergoes single-crystal-to-single-crystal transformations into two anhydrous phases 2′ and 2″ with the chemical formula [Cu2(btec)], triggered by two-step dehydration at 403 and… read more here.

Keywords: copper metal; framework; metal; single crystal ... See more keywords

A copper(ii) metal-organic hydrogel as a multifunctional precatalyst for CuAAC reactions and chemical fixation of CO2 under solvent free conditions.

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Published in 2017 at "Chemical communications"

DOI: 10.1039/c6cc09039g

Abstract: A copper(ii) metal-organic hydrogel has been synthesised and characterised. This hydrogel is an efficient, reusable precatalyst for CuAAC reactions and chemical fixation of CO2 under solvent free conditions. read more here.

Keywords: organic hydrogel; copper metal; cuaac reactions; hydrogel ... See more keywords

Highly selective and reproducible electroanalysis for histidine in blood with turn-on responses at a potential approaching zero using tetrahedral copper metal organic frameworks.

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Published in 2019 at "Chemical communications"

DOI: 10.1039/c8cc09562k

Abstract: A highly selective and reproducible electroanalysis strategy was developed for probing histidine using tetrahedral copper metal organic frameworks. It can facilitate His detection through the stable "turn-on" signal output of solid-state CuCl electrochemistry at a… read more here.

Keywords: tetrahedral copper; highly selective; copper metal; selective reproducible ... See more keywords

Copper metal organic framework as natural oxidase mimic for effective killing of Gram-negative and Gram-positive bacteria.

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Published in 2022 at "Nanoscale"

DOI: 10.1039/d2nr01673g

Abstract: Nanozymes have been widely studied as substitutes for natural enzymes. However, the delicacy of their structures and their unclear catalytic sites make it difficult to maintain their structural robustness and catalytic durability. By mimicking active… read more here.

Keywords: gram; metal organic; oxidase; copper metal ... See more keywords

Modelling of microarcs in copper metal vapour dominated air

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Published in 2024 at "Journal of Physics D: Applied Physics"

DOI: 10.1088/1361-6463/ad9f79

Abstract: A fluid model of direct current microarcs in copper metal vapour dominated air is developed to resemble the microarcs that occur at low-voltage and low-current conditions in switching devices during a contact separation. The model… read more here.

Keywords: microarcs copper; copper metal; metal vapour;

Treatment activity of hydrogels loaded with copper metal–organic frameworks of dacarbazine on melanoma by modulating melanoma prognostic markers S100A6 and VEGFa

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Published in 2023 at "Materials Express"

DOI: 10.1166/mex.2023.2371

Abstract: In the present paper, a new Cu(II)-based coordination polymer (CP) with the chemical composition of [Cu2(μ4btca)(phen)2(H2O)2]n (1) was synthesized and successfully loaded with the drug dacarbazine. Based on the chemical synthesis method, HA/CMCS hydrogels loaded… read more here.

Keywords: melanoma; organic frameworks; metal organic; hydrogels loaded ... See more keywords

Microwave-assisted synthesis and development of novel penicillinoate@copper metal-organic frameworks as a potent antibacterial agent

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Published in 2024 at "Frontiers in Chemistry"

DOI: 10.3389/fchem.2023.1331933

Abstract: Recently, nanoscience, especially metal–organic frameworks (MOFs), has been used to increase the effectiveness and properties of drugs. In this study, by using microwave irradiation; penicillin, which is a known antibiotic; and copper metal–organic frameworks (Cu-MOFs),… read more here.

Keywords: copper metal; organic frameworks; copper; penicillinoate copper ... See more keywords