Metal-organic frameworks (MOFs) are hybrid crystalline particles composed of metal cations and organic linkers [...].
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| http://dx.doi.org/10.3390/nano12030527 | DOI Listing |
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Microenvironmental modulation breaks intrinsic pH limitations of nanozymes to boost their activities.
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College of Engineering and Applied Sciences, Nanjing National Laboratory of Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Nanjing University, Nanjing, Jiangsu, China.
Functional nanomaterials with enzyme-mimicking activities, termed as nanozymes, have found wide applications in various fields. However, the deviation between the working and optimal pHs of nanozymes has been limiting their practical applications. Here we develop a strategy to modulate the microenvironmental pHs of metal-organic framework (MOF) nanozymes by confining polyacids or polybases (serving as Brønsted acids or bases).
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Department of Chemistry, University of Western Ontario, London, Ontario, N6A 5B7, Canada.
Metal-organic frameworks (MOFs) are a class of porous materials that are of topical interest for their utility in water-related applications. Nevertheless, molecular-level insight into water-MOF interactions and MOF hydrolytic reactivity remains understudied. Herein, we report two hydrolytic pathways leading to either structural stability or framework decomposition of a MOF (ZnMOF-1).
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MOE International Joint Research Laboratory on Synthetic Biology and Medicines, School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, P. R. China.
The development of novel methods to enhance enzyme-carrier interactions in situ, at a feasible cost, and on a large scale is crucial for improving the stability and durability of current immobilized enzyme systems used in industrial settings. Here, a pioneering approach termed "silica-based inorganic glue" is proposed, which utilizes protein-catalyzed silicification to fix enzyme within porous matrix while preserving enzyme activity. This innovative strategy offers several key benefits, including conformational stabilization of enzymes, improved interactions between enzymes and the matrix, prevention of enzyme leakage, and mitigation of pore blocking.
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Department of Biotechnology, Parul Institute of Technology, Vadodara, Gujarat¸ India E-mail:
In this study, three different materials were investigated for their ability to degrade benzene, toluene, and xylene (BTX) using light energy. The materials studied were activated charcoal (AC), zeolitic imidazolate framework (ZIF-8), and zirconium metal-organic framework (Zr-MOF). Initially, AC, ZIF-8, and Zr-MOF were characterized using X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) surface area analysis, and spectroscopic analysis techniques.
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Gels
December 2024
School of Chemistry and Materials Science, Guangdong University of Education, Guangzhou 510303, China.
Compared to traditional liquid electrolytes, solid electrolytes have received widespread attention due to their higher safety. In this work, a vinyl functionalized metal-organic framework porous material (MIL-101(Cr)-NH-Met, noted as MCN-M) is synthesized by postsynthetic modification. A novel three-dimensional hybrid gel composite solid electrolyte (GCSE-P/MCN-M) is successfully prepared via in situ gel reaction of a mixture containing multifunctional hybrid crosslinker (MCN-M), lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), ethylene carbonate (EC), diethylene glycol monomethyl ether methacrylate (EGM) and polyethylene (vinylidene fluoridee) (PVDF).
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