Applied Surface Science, Год журнала: 2024, Номер unknown, С. 161590 - 161590
Опубликована: Окт. 1, 2024
Язык: Английский
Nano Letters, Год журнала: 2025, Номер unknown
Опубликована: Апрель 24, 2025
The development of personal protective equipment (PPE) is essential to control the spread infectious diseases. However, traditional PPE has significant drawbacks, such as a lack antibacterial capacity and nonreusability, which may result in direct or indirect secondary infections. Herein, we propose an octahedral (Fe-O6) Fe-gallate (Fe-GA) metal-organic framework nanozyme with light-enhanced oxidase-like (OXD-like) activity extend use onto nonwoven fabric (Fe-GA/NWF) by hot pressing. Specifically, visible-light-mediated carrier migration OXD-like species synergistically enhance production reactive oxygen species, achieving superior effects without addition any chemical additives. In this case, Fe-GA/NWF spontaneously inactivates over 99.9% real microbial aerosols demonstrates excellent mechanical properties, reusability (15 cycles), biocompatibility. Moreover, can be used ideal platform for KN95 masks clothing extended other substrates. This work provides promising strategy develop self-antibacterial complex environments.
Язык: Английский
Процитировано
0
Advanced Fiber Materials, Год журнала: 2024, Номер unknown
Опубликована: Июль 1, 2024
Язык: Английский
Процитировано
1
Small Methods, Год журнала: 2024, Номер unknown
Опубликована: Окт. 11, 2024
Abstract In order to improve the solubility of metallated monomers and product crystallinity, metal–covalent organic frameworks (MCOFs) are commonly prepared via high‐temperature sol‐vothermal synthesis. However, it hampers direct extraction crystallization evolution information. Exploring facile room‐temperature strategies for both synthesizing MCOFs exploiting crystallinity mechanism is extremely desired. Herein, by a novel single‐phase synthetic strategy, three with different microstructure rapidly based on Schiff base reaction between planarity‐tunable C 3v at room temperature. Based detailed time‐dependent experiments theoretical calculations, found that there planarity‐tuned competitive growth relationship disordered structures crystal nucleus first time. The high planarity boosts formation rapid growth, suppressing forming amorphous structures. addition, microenvironment effect selective photocatalytic coupling benzylamine (BA) investigated. strong donor‐acceptor (D‐A) MCOF exhibits efficient activity conversion rate 99% selectivity in 5 h under 520 nm light irradiation. This work opens new pathway scalable synthesis highly crystalline MCOFs.
Язык: Английский
Процитировано
1
Advanced Healthcare Materials, Год журнала: 2024, Номер 14(4)
Опубликована: Окт. 29, 2024
Efficient personal protection has emerged as a crucial approach for reducing pulmonary injury induced by particulate matter (PM). However, current protective equipments usually lack essential biosafety concerns and fail to own adsorbing/antioxidant/antibacterial function together, making it challenge develop an integrated platform with the above characteristics. Herein, facile oxygen-free hydrothermal strategy is proposed synthesize new copper-based metal-organic frameworks, Cu-HHTPs, (HHTP: 2,3,6,7,10,11-hexahydroxytriphenylene), great activity high biosafety. The Cu-HHTPs can serve efficient additive incorporated various fabrics including cellulose acetate (CA) membrane achieve novel fabric composites, such CA@Cu-HHTPs, ideal scavenging outcome main components of PM. Evidenced animal experiments, CA@Cu-HHTPs highly mitigate PM-induced adverse effects via adsorbing PM, ROS, killing bacteria, leading significant reduction in lung permeability, inflammation oxidative stress, infection. Last but not least, two-week exposure exhibits no obvious damage toward animals examining their long-term toxicity. Collectively, this study only highlights potential attractive additives preparation also lays out concept development new-generation multifunctional equipment against
Язык: Английский
Процитировано
1
Journal of Colloid and Interface Science, Год журнала: 2024, Номер 680, С. 332 - 340
Опубликована: Ноя. 19, 2024
Язык: Английский
Процитировано
1
Опубликована: Янв. 1, 2024
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Язык: Английский
Процитировано
0
Angewandte Chemie, Год журнала: 2024, Номер 136(46)
Опубликована: Авг. 6, 2024
Abstract Organic memristors based on covalent organic frameworks (COFs) exhibit significant potential for future neuromorphic computing applications. The preparation of high‐quality COF nanosheets through appropriate structural design and building block selection is critical the enhancement memristor performance. In this study, a novel room‐temperature single‐phase method was used to synthesize Ta−Cu 3 COF, which contains two redox‐active units: trinuclear copper triphenylamine. resultant were dispersed acid‐assisted exfoliation subsequently spin‐coated fabricate film an indium tin oxide (ITO) substrate. synergistic effect dual centers in film, combined with its distinct crystallinity, significantly reduces redox energy barrier, enabling efficient modulation 128 non‐volatile conductive states Al/Ta−Cu COF/ITO memristor. Utilizing convolutional neural network (CNN) these conductance states, image recognition ten representative campus landmarks successfully executed, achieving high accuracy 95.13 % after 25 training epochs. Compared devices binary exhibits 45.56 improvement enhances efficiency computing.
Язык: Английский
Процитировано
0
Angewandte Chemie, Год журнала: 2024, Номер 136(48)
Опубликована: Сен. 3, 2024
Abstract Intramolecular charge separation driving force and linkage chemistry between building blocks are critical factors for enhancing the photocatalytic performance of metal‐covalent organic framework (MCOF) based photocatalyst. However, robust achieving both simultaneously has yet to be challenging despite ongoing efforts. Here we develop a fully π‐conjugated vinylene‐linked multivariate donor‐π‐acceptor MCOF (D‐π‐A, termed UJN‐1) by integrating benzyl cyanides linker with multiple functional electron‐rich triphenylamine electron‐deficient copper‐cyclic trinuclear units (Cu‐CTUs) moieties, featuring strong intramolecular force, extended conjugation degree skeleton, abundant active sites. The incorporation Cu‐CTUs acceptor electron‐withdrawing ability concomitantly giant can efficiently accelerate photogenerated electrons transfer from Cu‐CTUs, revealing experiments theoretical calculations. Benefiting synergistically effect D‐π‐A configuration vinylene linkage, highly‐efficient spatial is achieved. Consequently, UJN‐1 exhibits an excellent CO formation rate 114.8 μmol g −1 in 4 h without any co‐catalysts or sacrificial reagents under visible light, outperforming those analogous MCOFs imine‐linked (UJN‐2, 28.9 ) COF Cu‐CTU sites (UJN‐3, 50.0 ), emphasizing role designing novel COFs‐based
Язык: Английский
Процитировано
0
Applied Surface Science, Год журнала: 2024, Номер unknown, С. 161590 - 161590
Опубликована: Окт. 1, 2024
Язык: Английский
Процитировано
0