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李浩宏

教授(高校)

化学学院

0000-0003-3543-7715

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Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting SCIE
期刊论文 | 2025 , 382 | FUEL
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Abstract :

The design of highly stable and active bifunctional catalysts for electrolytic water remains a significant challenge. In this study, self-supported CoP/CNT/Ni2P bifunctional catalysts with three-phase heterojunction nano- structures were constructed by a multi-step electrodeposition and phosphorylation strategy. X-ray diffraction analysis and transmission electron microscope showed that CoP/CNT/Ni2P was a three-phase heterojunction nanostructure, and scanning electron microscope results of CoP/CNT/Ni2P suggested the successful introduction of carbon nanotube (CNT). The X-ray photoelectron spectroscopy results indicate a shift in the elemental binding energy in CoP/CNT/Ni2P, which is believed to contribute to the electrocatalytic reaction. The incorporation of CNT enhances charge transfer within the multiphase catalyst and maximizes the exposure of catalytically active sites, achieving an increase in catalyst performance. As anticipated, the CoP/CNT/Ni2P catalyst displays high catalytic activity for both the hydrogen evolution reaction (61 mV at 10 mA cm_ 2 ) and the oxygen evolution reaction (342 mV at 100 mA cm_ 2 ), in addition to exhibiting long-term stability at a current density of 10 mA cm_ 2 over 40 h. The electrolyzer comprising CoP/CNT/Ni2P(+,_) necessitates a modest operating voltage of 1.52 V to attain 10 mA cm_ 2 during alkaline water splitting, thereby outperforming the commercial catalyst Pt/C|| IrO2 and earlier reports. This study provides guidance for the development of ultra-high activity and durability catalysts for water splitting.

Keyword :

Bifunctional electrocatalysts Bifunctional electrocatalysts CNT CNT Hydrogen evolution reaction Hydrogen evolution reaction Overall water splitting Overall water splitting

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GB/T 7714 Yu, Guo , Zhao, Jiaxiang , Hou, Songjia et al. Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting [J]. | FUEL , 2025 , 382 .
MLA Yu, Guo et al. "Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting" . | FUEL 382 (2025) .
APA Yu, Guo , Zhao, Jiaxiang , Hou, Songjia , Han, Haoyang , Zhou, Qing , Yan, Zuoyi et al. Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting . | FUEL , 2025 , 382 .
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Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting Scopus
期刊论文 | 2025 , 382 | Fuel
Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting EI
期刊论文 | 2025 , 382 | Fuel
Antimicrobial activity and applications in PMMA of a novel benzpyrole derivant/iodocuprate hybrid (TMBI)2(Cu2I4) SCIE
期刊论文 | 2025 , 156 | BIOORGANIC CHEMISTRY
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Abstract :

Among individuals who wear removable dentures, there is a significant likelihood, reaching up to 70 %, of experiencing a condition known as denture-induced stomatitis. To address this issue, a commonly used method involves soaking dentures in denture cleansers to eliminate microorganisms. However, the prolonged use of this cleaning method has resulted in the emergence of drug resistance. Composite antibacterial nanomaterials possess excellent chemical, physical, and antibacterial properties, not only allowing the individual components to function but sometimes also leading to synergistic effects that enhance antibacterial performance. In this study, we have successfully synthesized a new benzpyrole derivant/iodocuprate bio-nanomaterial, (TMBI)2(Cu2I4) (TMBI = 1,1,2,3-Tetramethyl-1H-benzo[e]indolium cation), that demonstrates remarkable resistance to Candida albicans, Streptococcus mutans, and dental plaque biofilm. It can effectively clean the surfaces of denture bases by removing Candida albicans, Streptococcus mutans, and dental plaque biofilm. Prolonged immersion in this material does not significantly affect the common mechanical properties of polymethyl methacrylate (PMMA) denture bases. At effective antibacterial concentrations, this nanomaterial (TMBI)2(Cu2I4) demonstrates no residual cytotoxicity on PMMA denture bases after immersion and maintains excellent hemocompatibility. These findings indicate that (TMBI)2(Cu2I4) has the potential to be a promising denture cleanser.

Keyword :

Benzpyrole/iodocuprate hybrid Benzpyrole/iodocuprate hybrid Candida albicans Candida albicans Dental plaque Dental plaque Denture cleaner Denture cleaner Mechanical properties Mechanical properties PMMA PMMA Streptococcus mutans Streptococcus mutans

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GB/T 7714 Ruan, Chenglu , Huang, Xuanhao , Li, Ke et al. Antimicrobial activity and applications in PMMA of a novel benzpyrole derivant/iodocuprate hybrid (TMBI)2(Cu2I4) [J]. | BIOORGANIC CHEMISTRY , 2025 , 156 .
MLA Ruan, Chenglu et al. "Antimicrobial activity and applications in PMMA of a novel benzpyrole derivant/iodocuprate hybrid (TMBI)2(Cu2I4)" . | BIOORGANIC CHEMISTRY 156 (2025) .
APA Ruan, Chenglu , Huang, Xuanhao , Li, Ke , Fang, Lijuan , Li, Haohong , Zheng, Dali et al. Antimicrobial activity and applications in PMMA of a novel benzpyrole derivant/iodocuprate hybrid (TMBI)2(Cu2I4) . | BIOORGANIC CHEMISTRY , 2025 , 156 .
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Antimicrobial activity and applications in PMMA of a novel benzpyrole derivant/iodocuprate hybrid (TMBI)2(Cu2I4) Scopus
期刊论文 | 2025 , 156 | Bioorganic Chemistry
Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product SCIE
期刊论文 | 2025 , 504 | CHEMICAL ENGINEERING JOURNAL
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Abstract :

In the burgeoning sucralose (TGS) production, the separation bottleneck has hindered its further technology upgrading. In this work, the crystal structural of sucrose-6-acetate chlorination product 4,1 ',6 '-trichlorosucrose-6- acetate hydrate (TSA-6.2H2O) from multi-step recrystallization has been determined, thus the bad separation efficiency of the chlorination process was assigned to the easy incorporation of by-products into the cavities or local defects of the respirable TSA-6.2H2O network. Based on this mechanism, the second cheap organic solvents have been pre-embedded into TSA-6.2H2O to generate stable ternary solvates, i. e. TSA-6.H2Osecond solvent (second solvent = DMF (N,N'-dimethylformamide), DMAc (N, N'-dimethylacetamide), and NMP (N-methyl-2pyrrolidone)). Their cellular-type compacted arrangements were constructed from strong hydrogen bonding interactions between H2O.second solvent guests and TSA-6 networks. Consequently, the free space or local defects for the encapsulation of impurities could be inhibited completely. Upon the optimization of the crystallized process (H2O: NMP = 7: 3, solvent: TSA-6 = 12: 1, operating temperature: 288.2 K), high TSA-6 purity (99.74 % wt) and low sum of alpha x (0.023) can be achieved. Furthermore, under the guidance of ternary phase diagrams (TPD), the second solvents could be facilely removed by modulating the H2O/second solvent ratio (TSA-6 purity: 99.91 % wt in 0.5 h). In all, the clarification on the obscure mechanism and the strategy of pre-embedding second solvents have broken the separation bottleneck in TGS production, which can also be applied in other relative glycosyl halides industries.

Keyword :

1 ' 1 ' 6 ' -trichlorosucrose-6-acetate 6 ' -trichlorosucrose-6-acetate Hydrogen bond framework Hydrogen bond framework Selective separation by solvation-induced Selective separation by solvation-induced Separation mechanism Separation mechanism Ternary phase diagrams Ternary phase diagrams

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GB/T 7714 Chen, Xiaoping , Lei, Jiayan , Lv, Zhoulin et al. Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 504 .
MLA Chen, Xiaoping et al. "Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product" . | CHEMICAL ENGINEERING JOURNAL 504 (2025) .
APA Chen, Xiaoping , Lei, Jiayan , Lv, Zhoulin , Chen, Zi'ang , Lin, Shitong , Guo, Zhenming et al. Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product . | CHEMICAL ENGINEERING JOURNAL , 2025 , 504 .
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Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product Scopus
期刊论文 | 2025 , 504 | Chemical Engineering Journal
Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product EI
期刊论文 | 2025 , 504 | Chemical Engineering Journal
Enhanced mixing characteristics of unbaffled U-shaped microreactor coupled oscillatory flow EI
期刊论文 | 2024 , 205 | Chemical Engineering and Processing - Process Intensification
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Abstract :

The Microscale Oscillatory Flow Reactor (MOFR) can achieve good plug flow and micromixing performance simultaneously at laminar net flow conditions. An unbaffled U-shaped microreactor coupled with oscillating flow technology was designed to study the macro and micromixing performance. Firstly, the influence of oscillations on the flow performance was studied to reveal the formation rule of vortex. The simulation results showed that the continuous formation and destruction of periodic vortexes occurred in the microreactor with oscillation. With the increase of oscillation intensity, the vortex size in the radial direction first gradually increased and then becomes stable, and gradually moved axially, resulting in axial diffusion. Secondly, the effect of oscillation on the macromixing and micromixing performance were investigated. The results showed that the coupling oscillation could greatly improve the macromixing and micromixing performance. The macromixing and micromixing performance were promoted simultaneously at lower oscillation intensity and then tended to be flat due to the axial diffusion at high oscillation intensity. When φ>6.05, the minimum micromixing time and the maximum number of tanks can be achieved at the same time. At a velocity ratio of about 23, FoM reached a maximum of about 3.5. © 2024

Keyword :

Computational fluid dynamics Computational fluid dynamics Diffusion Diffusion Laminar flow Laminar flow Oscillating flow Oscillating flow Vortex flow Vortex flow

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GB/T 7714 Yu, Liping , Zheng, Meiqin , Wang, Jiawei et al. Enhanced mixing characteristics of unbaffled U-shaped microreactor coupled oscillatory flow [J]. | Chemical Engineering and Processing - Process Intensification , 2024 , 205 .
MLA Yu, Liping et al. "Enhanced mixing characteristics of unbaffled U-shaped microreactor coupled oscillatory flow" . | Chemical Engineering and Processing - Process Intensification 205 (2024) .
APA Yu, Liping , Zheng, Meiqin , Wang, Jiawei , Yan, Zuoyi , Yao, Wei , Li, Haohong et al. Enhanced mixing characteristics of unbaffled U-shaped microreactor coupled oscillatory flow . | Chemical Engineering and Processing - Process Intensification , 2024 , 205 .
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Exploring the role of viologen and iodocuprate in the enhanced resistive switching performance of Anderson polyoxometalate-based three-component hybrids Scopus
期刊论文 | 2024 , 12 (34) , 13555-13561 | Journal of Materials Chemistry C
SCOPUS Cited Count: 3
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Abstract :

Polyoxometalate (POM)-based materials are ideal candidates for implementing molecular memories, and rational POM molecule design is key to higher resistive switching (RS) performance. In this work, in order to obtain a deep structure-property correlation of POM-based memristors, three Anderson-based hybrids, i.e. two-component hybrids (MV)3(MnMo6O18L2)2·4DMF (1) and (MV)2[Cu(DMF)2](MnMo6O18L1)2·6DMF (2), and the three-component one (MV)2(Cu2I3)(MnMo6O18L2)·4CH3CN (3) (L = 2-(hydroxymethyl)-2-(pyridine-4-yl)-1,3-propanediol) have been structurally determined. These hybrids together with the precursors (methyl viologen (MV2+), CuI, and (MnMo6O18L2)) were further fabricated as memristors with the structure of ITO/active layer/Ag. Interestingly, three precursors are RS silent or have bad RS performance, but the incorporation of MV2+ in 1 and 2 can trigger the RS performances, and the further decoration of iodocuprate in 3 can render enhanced RS behavior (ON/OFF ratio: 2.32 × 102) with high thermal-tolerance temperature (240 °C) and extremely long-term stability. The RS mechanism could be assigned to the valence change (VC) induced by oxygen vacancy migrations. The presence of air-stable (MnMo6O18L2)3−-MV2+ donor-acceptor couples can stabilize the oxygen vacancies, which not only trigger the RS behaviors in ITO/1/Ag and ITO/2/Ag, but also result in extremely long-term stability in ITO/3/Ag. Besides, the oxygen vacancies can also be stabilized by Cu2I3 with intense cuprophilic interactions, which corresponds to enhanced RS properties in ITO/3/Ag. This mechanism could be validated by the following structural characters in 3: the stronger POM-MV2+ interactions, the better planarity of MV2+, the very short Cu⋯Cu distances and the ABAB-type packing fashion. The structure-property correlation in this work can provide a new strategy for the development of highly efficient and reliable memristors. © 2024 The Royal Society of Chemistry.

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GB/T 7714 Chen, H.-B. , He, M.-Y. , Li, T. et al. Exploring the role of viologen and iodocuprate in the enhanced resistive switching performance of Anderson polyoxometalate-based three-component hybrids [J]. | Journal of Materials Chemistry C , 2024 , 12 (34) : 13555-13561 .
MLA Chen, H.-B. et al. "Exploring the role of viologen and iodocuprate in the enhanced resistive switching performance of Anderson polyoxometalate-based three-component hybrids" . | Journal of Materials Chemistry C 12 . 34 (2024) : 13555-13561 .
APA Chen, H.-B. , He, M.-Y. , Li, T. , Deng, C.-C. , Xiao, H.-P. , Qi, M.-Q. et al. Exploring the role of viologen and iodocuprate in the enhanced resistive switching performance of Anderson polyoxometalate-based three-component hybrids . | Journal of Materials Chemistry C , 2024 , 12 (34) , 13555-13561 .
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Study of field distribution characteristics in CVD reactors and enhanced growth of SWNCT SCIE
期刊论文 | 2024 , 145 | DIAMOND AND RELATED MATERIALS
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Abstract :

The low efficiency of growing single-walled carbon nanotubes (SWCNT) poses a barrier to their application in high-performance electronic devices. However, it is difficult to control the uniform growth of SWCNT in a floating catalytic reactor due to the complex parameter control. Therefore, it is essential to enhance the growth of SWCNT in the floating catalyst chemical vapor deposition (FCCVD) process. In the present work, the influence of the reactive flow field on the growth of SWCNT, which is often neglected, is revealed. To address this issue, this work combines experiments and simulations to obtain the characteristics of the field distribution within the reactor and the trend of the products. The results of the flow field analysis indicate that thermal buoyancy is the cause of SWCNT growth limitation in FCCVD. By weakening the thermal buoyancy, a homogeneous reaction field is obtained; vortices in the flow field are reduced or even disappear; the temperature field is more homogeneous, and, importantly, the crystallinity of SWCNT is enhanced (IG/ID up to 20-fold). In addition, the decomposition process of the carbon source is also enhanced, thus suppressing the generation of by-products. Based on the results of the small tube experiments, both the increase in temperature and the decrease in residence time increased the IG/ID. Furthermore, the distributions of the maximum and minimum diameters in SWCNT imply variations in the growth modes of SWCNT at different temperatures.

Keyword :

Computational model simulation Computational model simulation Floating catalyst CVD Floating catalyst CVD Flow field control Flow field control Single wall carbon nanotubes Single wall carbon nanotubes Time dependency Time dependency

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GB/T 7714 Yu, Guo , Han, Peilin , Yi, Hongmei et al. Study of field distribution characteristics in CVD reactors and enhanced growth of SWNCT [J]. | DIAMOND AND RELATED MATERIALS , 2024 , 145 .
MLA Yu, Guo et al. "Study of field distribution characteristics in CVD reactors and enhanced growth of SWNCT" . | DIAMOND AND RELATED MATERIALS 145 (2024) .
APA Yu, Guo , Han, Peilin , Yi, Hongmei , Zhao, Jiaxiang , Hou, Songjia , Yan, Zuoyi et al. Study of field distribution characteristics in CVD reactors and enhanced growth of SWNCT . | DIAMOND AND RELATED MATERIALS , 2024 , 145 .
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Study of field distribution characteristics in CVD reactors and enhanced growth of SWNCT EI
期刊论文 | 2024 , 145 | Diamond and Related Materials
Study of field distribution characteristics in CVD reactors and enhanced growth of SWNCT Scopus
期刊论文 | 2024 , 145 | Diamond and Related Materials
Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities SCIE
期刊论文 | 2024 , 146 | DIAMOND AND RELATED MATERIALS
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Abstract :

In the field of biomemorizers, the simultaneous enhancement of resistive switching (RS) performance and environmental robustness, and the understanding the RS mechanism involving interfacial interaction is still challengeable. Herein, the bio-composites by encapsulating graphene (GR), graphene oxide (GO) and reduced graphene oxide (RGO) into chitosan (CS) have been fabricated as memory devices with the structure of FTO/biocomposite/Ag. Among them, FTO/GO@CS(12 %)/Ag biomemorizer exhibits the best RS performance with high ON/OFF ratio (10 5.92 ), and it possesses good thermal (170 degrees C) and irradiation stabilities (UV exposure for 96 h). The RS mechanism is due to the migration of oxygen vacancies accompanied by formation of Ag conducting filaments in the bio-composite films. Therefore, the enhanced resistive switching performance after encapsulating into CS can be explained as the increment of defects, the higher current densities and quenched radicals. Specially, for the first time we find the presence of voltage -induced packing mode changes in GO@CS composite, which can facilitate the migration of oxygen vacancies and render its best RS performance. In all, the more carboxyl groups can strengthen the GO -CS interfacial interactions through the formation of stable hydrogen bonding network and covalent bonds, which can enhance the stabilities and makes the composites be more sensitive to electrical stimulus. The rules drawn in this work will be significant for the construction of new biomemorizers with good environmental robustness.

Keyword :

Biomemorizer Biomemorizer Chitosan Chitosan Environmental robustness Environmental robustness Graphene derivant Graphene derivant Resistive switching mechanism Resistive switching mechanism

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GB/T 7714 Zheng, Mei -Qin , Yi, Hong -Mei , Yu, Guo et al. Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities [J]. | DIAMOND AND RELATED MATERIALS , 2024 , 146 .
MLA Zheng, Mei -Qin et al. "Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities" . | DIAMOND AND RELATED MATERIALS 146 (2024) .
APA Zheng, Mei -Qin , Yi, Hong -Mei , Yu, Guo , Wang, Jia-Wei , Lv, Zhou -Lin , Li, Hui -Fang et al. Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities . | DIAMOND AND RELATED MATERIALS , 2024 , 146 .
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Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities EI
期刊论文 | 2024 , 146 | Diamond and Related Materials
Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities Scopus
期刊论文 | 2024 , 146 | Diamond and Related Materials
Highly efficient dehydration of polyols: In-situ Brempty setnsted acid from boron phosphate catalyst SCIE
期刊论文 | 2024 , 483 | CHEMICAL ENGINEERING JOURNAL
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Dehydroxylation of biomass-based platform molecules is critical for obtaining building blocks for use in the chemical industry. Acid catalytic dehydration has provided a feasible route. However, simultaneously pursuing high product-selective and ultra-stable catalysts for the dehydroxylation of polyols remains an open challenge. In this study, a strategy for in-situ Bronsted acid sites (BAS) with chemo-adsorption selectivity is proposed. The construction of defect sites B[3] and P[4] species has been proved to be a prerequisite for the dynamic acid site formation at hydrothermal conditions. The BPO4 catalyst with in-situ BAS can achieve the high selectivity of acrolein (similar to 80%) and robust stability of catalyst (over 425 h) using glycerol dehydration as a model reaction. In addition, in-situ BAS is highly selective for secondary hydroxyl groups and has been extended to other substrate applications. This catalytic strategy provides a green, efficient, and economical approach for converting biomassderived polyols to high-value-added chemicals.

Keyword :

Acrolein Acrolein Biomass Biomass Dehydration Dehydration Glycerol Glycerol In -situ Br onsted acid In -situ Br onsted acid

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GB/T 7714 Su, Chenxin , Zhou, Shouquan , Wu, Shaoyun et al. Highly efficient dehydration of polyols: In-situ Brempty setnsted acid from boron phosphate catalyst [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 483 .
MLA Su, Chenxin et al. "Highly efficient dehydration of polyols: In-situ Brempty setnsted acid from boron phosphate catalyst" . | CHEMICAL ENGINEERING JOURNAL 483 (2024) .
APA Su, Chenxin , Zhou, Shouquan , Wu, Shaoyun , Gao, Mingbin , Zhang, Weiling , Ma, Zhuang et al. Highly efficient dehydration of polyols: In-situ Brempty setnsted acid from boron phosphate catalyst . | CHEMICAL ENGINEERING JOURNAL , 2024 , 483 .
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Highly efficient dehydration of polyols: In-situ Brønsted acid from boron phosphate catalyst Scopus
期刊论文 | 2024 , 483 | Chemical Engineering Journal
Stable calcium ellagate metal-organic frameworks as high-performance green memorizers bearing high working temperatures SCIE
期刊论文 | 2024 , 11 (10) , 3056-3062 | INORGANIC CHEMISTRY FRONTIERS
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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 bio-metal-organic framework (BioMOF), i.e. {[Ca2(EA)3(4H2O)]2H2O}n. Its high chemical stability stems from the twofold interpenetrated (6,3) bi-layers and versatile strong pi-pi stacking interactions. The memorizer FTO/{[Ca2(EA)3(4H2O)]2H2O}n/Ag exhibits good bipolar resistive switching performance with an ON/OFF ratio of 5.40 x 103 and a tolerant temperature of 300 degrees C. In particular, the local conjugated EA ligand and strong pi-pi stacking interactions in the interpenetrated 3D network are responsible for a carrier trapping/de-trapping process, rendering the excellent binary resistive switching performance. This work demonstrates a new way for the construction of green electrons by adopting renewable natural products as organic linkers. Natural product ellagic acid was used to construct a stable 3D BioMOF with twofold interpenetrated (6,3) bi-layers, which was fabricated as a biomemorizer with an ON/OFF ratio of 5.40 x 103 bearing a high working temperature of 300 degrees C.

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GB/T 7714 Liu, Ting-Bo , Deng, Jing-Wen , Li, Yi et al. Stable calcium ellagate metal-organic frameworks as high-performance green memorizers bearing high working temperatures [J]. | INORGANIC CHEMISTRY FRONTIERS , 2024 , 11 (10) : 3056-3062 .
MLA Liu, Ting-Bo et al. "Stable calcium ellagate metal-organic frameworks as high-performance green memorizers bearing high working temperatures" . | INORGANIC CHEMISTRY FRONTIERS 11 . 10 (2024) : 3056-3062 .
APA Liu, Ting-Bo , Deng, Jing-Wen , Li, Yi , Fu, Hai-Ying , Shi, Liang-Wen , Lin, Shi-Ying et al. Stable calcium ellagate metal-organic frameworks as high-performance green memorizers bearing high working temperatures . | INORGANIC CHEMISTRY FRONTIERS , 2024 , 11 (10) , 3056-3062 .
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Stable calcium ellagate metal-organic frameworks as high-performance green memorizers bearing high working temperatures EI
期刊论文 | 2024 , 11 (10) , 3056-3062 | Inorganic Chemistry Frontiers
Stable calcium ellagate metal-organic frameworks as high-performance green memorizers bearing high working temperatures Scopus
期刊论文 | 2024 , 11 (10) , 3056-3062 | Inorganic Chemistry Frontiers
Anti-Microbial Effect of AgBr-NP@CTMAB on Streptococcus Mutans and Assessment of Surface Roughness Hardness and Flexural Strength of PMMA SCIE
期刊论文 | 2024 , 19 , 1273-1285 | INTERNATIONAL JOURNAL OF NANOMEDICINE
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Purpose: To investigate the inhibition of Streptococcus mutans (S.mutans) and its biofilm by AgBr-nanoparticles (NP) @CTMAB (cetyltrimethyl-ammonium bromide) and evaluate the changes in Polymethyl methacrylate (PMMA)'s surface roughness (Ra), microhardness, and flexural strength during prolonged immersion in AgBr-NP@CTMAB for application in the denture cleaning industry. Patients and Methods: The antibacterial activity of AgBr-NP@CTMAB against S.mutans was measured colony formation assay, OD600 and laser confocal microscopy. Changes in the specimens' values for surface roughness, microhardness, and flexural strength (MPa) were measured after immersion solutions for 180 or 360 days. Results: The AgBr-NP@CTMAB solution exhibited a robust antibacterial effect on planktonic S. mutans, with a minimum bactericidal concentration of 5 mu g/mL. The 10 mu g/mL AgBr-NP@CTMAB solution efficiently inhibited S. mutans biofilm formation. (2) No significant difference in surface roughness after immersion in AgBr-NP@CTMAB (10 mu g/mL and 20 mu g/mL) comparing with distilled water (P > 0.05) and Polident had significantly higher than distilled water (P < 0.05). There was a significant decrease in the surface hardness of the PMMA specimens that were immersed in the Polident compared with those in distilled water (P < 0.05). While, no significant differences in surface hardness after immersion in the AgBr-NP@CTMAB (P > 0.05). The result of flexural strength suggested that there was no statistically significant difference (P < 0.05) between AgBr-NP@CTMAB as well as Polident and water. Conclusion: AgBrNP@CTMAB can efficiently inhibit the growth of plankton S.mutans and biofilm formation, without affecting the flexural strength, microhardness, or surface roughness of PMMA. Therefore, AgBrNP@CTMAB holds promise as a new denture cleaning agent.

Keyword :

AgBr-NP@CTMAB AgBr-NP@CTMAB biofilm biofilm denture cleanser denture cleanser polymethyl methacrylate polymethyl methacrylate S.mutans S.mutans

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GB/T 7714 Huang, Jing-Jing , Jia, Lin , Zhang, Qiao-Jun et al. Anti-Microbial Effect of AgBr-NP@CTMAB on Streptococcus Mutans and Assessment of Surface Roughness Hardness and Flexural Strength of PMMA [J]. | INTERNATIONAL JOURNAL OF NANOMEDICINE , 2024 , 19 : 1273-1285 .
MLA Huang, Jing-Jing et al. "Anti-Microbial Effect of AgBr-NP@CTMAB on Streptococcus Mutans and Assessment of Surface Roughness Hardness and Flexural Strength of PMMA" . | INTERNATIONAL JOURNAL OF NANOMEDICINE 19 (2024) : 1273-1285 .
APA Huang, Jing-Jing , Jia, Lin , Zhang, Qiao-Jun , Li, Hao-Hong , Zheng, Da-Li , Zheng, Ming . Anti-Microbial Effect of AgBr-NP@CTMAB on Streptococcus Mutans and Assessment of Surface Roughness Hardness and Flexural Strength of PMMA . | INTERNATIONAL JOURNAL OF NANOMEDICINE , 2024 , 19 , 1273-1285 .
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Anti-Microbial Effect of AgBr-NP@CTMAB on Streptococcus Mutans and Assessment of Surface Roughness Hardness and Flexural Strength of PMMA Scopus
期刊论文 | 2024 , 19 , 1273-1285 | International Journal of Nanomedicine
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