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Microfluidic synthesis has emerged as a promising method for synthesizing metal-organic frameworks (MOFs). It overcomes the limitations of the traditional solvothermal method to regulate the structure and function of the MOFs. This study synthesized various MOFs with different structures and functions by controlling the reaction time and the ratio of metal ions to organic ligands through microfluidics and investigated their CO2 adsorption properties. The results showed that the microfluidic synthesized defective and hierarchical pore MOF-808 improved the adsorption performance of CO2 by nearly 110% and 30%, respectively, compared with solvothermal synthesized MOF-808.
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| GB/T 7714 | Ge, Xuehui , Liu, Zihan , Wei, Nanjie et al. Microfluidic Synthesis of Defective and Hierarchical Pore Zr Metal-Organic Framework Materials and CO2 Adsorption Performance Study [J]. | CRYSTAL GROWTH & DESIGN , 2024 , 24 (21) : 9084-9096 . |
| MLA | Ge, Xuehui et al. "Microfluidic Synthesis of Defective and Hierarchical Pore Zr Metal-Organic Framework Materials and CO2 Adsorption Performance Study" . | CRYSTAL GROWTH & DESIGN 24 . 21 (2024) : 9084-9096 . |
| APA | Ge, Xuehui , Liu, Zihan , Wei, Nanjie , Lin, Xiaocheng , Hu, Cejun . Microfluidic Synthesis of Defective and Hierarchical Pore Zr Metal-Organic Framework Materials and CO2 Adsorption Performance Study . | CRYSTAL GROWTH & DESIGN , 2024 , 24 (21) , 9084-9096 . |
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A green anion exchange membrane for electrodialysis desalination was synthesized using a solvent-free photo-polymerization approach. Vinylbenzyl chloride (monomer), tripropylene glycol diacrylate (crosslinker), and photoinitiator were mixed and subjected to UV polymerization for 20 min to create the base membrane, followed by positive charge modification with 1-methylimidazole. This method avoids organic solvents, offering economic and environmental benefits. By adjusting the degrees of crosslinking and positive charge, precise control over the membrane's microstructure and properties was achieved. The optimized membrane showed an area resistance of 1.67 Ω cm2 and a transport number of 0.956, demonstrating exceptional electrochemical performance. Under comparable conditions, the optimized membrane improved the NaCl removal rate by 11.47 %, increased current efficiency by 10.61 %, and reduced energy consumption by 16.75 % compared to commercial AMV membrane, highlighting its potential for scalable seawater desalination through electrodialysis. © 2024 Elsevier B.V.
Keyword ：
Anion exchange membrane Anion exchange membrane Desalination Desalination Electrodialysis Electrodialysis Photo-polymerization Photo-polymerization Solvent-free Solvent-free
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| GB/T 7714 | Ge, X. , Zhang, H. , Cheng, Y. et al. Solvent-free green synthesis of anion exchange membranes via photo-polymerization for efficient desalination by electrodialysis [J]. | Desalination , 2024 , 592 . |
| MLA | Ge, X. et al. "Solvent-free green synthesis of anion exchange membranes via photo-polymerization for efficient desalination by electrodialysis" . | Desalination 592 (2024) . |
| APA | Ge, X. , Zhang, H. , Cheng, Y. , Shao, H. , Yuan, L. , Shen, S. et al. Solvent-free green synthesis of anion exchange membranes via photo-polymerization for efficient desalination by electrodialysis . | Desalination , 2024 , 592 . |
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d-Allulose, a C-3 epimer of d-fructose, has great market potential in food, healthcare, and medicine due to its excellent biochemical and physiological properties. Microbial fermentation for d-allulose production is being developed, which contributes to cost savings and environmental protection. A novel metabolic pathway for the biosynthesis of d-allulose from a d-xylose-methanol mixture has shown potential for industrial application. In this study, an artificial antisense RNA (asRNA) was introduced into engineered Escherichia coli to diminish the flow of pentose phosphate (PP) pathway, while the UDP-glucose-4-epimerase (GalE) was knocked out to prevent the synthesis of byproducts. As a result, the d-allulose yield on d-xylose was increased by 35.1%. Then, we designed a d-xylose-sensitive translation control system to regulate the expression of the formaldehyde detoxification operon (FrmRAB), achieving self-inductive detoxification by cells. Finally, fed-batch fermentation was carried out to improve the productivity of the cell factory. The d-allulose titer reached 98.6 mM, with a yield of 0.615 mM/mM on d-xylose and a productivity of 0.969 mM/h. © 2024 American Chemical Society.
Keyword ：
d-allulose d-allulose Escherichia coli Escherichia coli fermentation fermentation metabolic engineering metabolic engineering
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| GB/T 7714 | Guo, Q. , Zheng, L.-J. , Zheng, S.-H. et al. Enhanced Biosynthesis of d-Allulose from a d-Xylose-Methanol Mixture and Its Self-Inductive Detoxification by Using Antisense RNAs in Escherichia coli [J]. | Journal of Agricultural and Food Chemistry , 2024 , 72 (26) : 14821-14829 . |
| MLA | Guo, Q. et al. "Enhanced Biosynthesis of d-Allulose from a d-Xylose-Methanol Mixture and Its Self-Inductive Detoxification by Using Antisense RNAs in Escherichia coli" . | Journal of Agricultural and Food Chemistry 72 . 26 (2024) : 14821-14829 . |
| APA | Guo, Q. , Zheng, L.-J. , Zheng, S.-H. , Zheng, H.-D. , Lin, X.-C. , Fan, L.-H. . Enhanced Biosynthesis of d-Allulose from a d-Xylose-Methanol Mixture and Its Self-Inductive Detoxification by Using Antisense RNAs in Escherichia coli . | Journal of Agricultural and Food Chemistry , 2024 , 72 (26) , 14821-14829 . |
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According to the hydration size and charge property of separated ions, the transport channel can be constructed to achieve precision ion separation, but the ion geometry as a separation parameter to design the channel structure is rarely reported. Herein, a reverse-selective anion separation membrane composed of a metal-organic frameworks (MOFs) layer with a charged “hourglass” channel as an ion-selective switch to manipulate oxoanion transport is developed. The gate in “hourglass” with tetrahedral geometry similar to the oxoanion (such as SO2- 4, Cr 2O2- 7, and MnO- 4) boosts the transmission effect oxoanion much larger than Cl− through geometric matching and Coulomb interaction. Specific channel structure exhibits an abnormal selectivity for SO2- 4/Cl− of 20, Cr 2O2- 7/Cl− of 6.6, and MnO- 4/Cl− of 4.0 in a binary-ion system. The transfer behavior of SO2- 4 in the channel revealed by molecular dynamics simulation and density functional theory calculation further indicates the mechanism of the abnormal separation performance. The universality of the membrane structure is validated by the formation of different nitrogen-containing modified layers, which also achieves in situ growth of the MOFs layer, and exhibits similar reversal separation performance. The geometric configuration control of ion transport channels presents a novel effective strategy to realize the precise separation of target ions. © 2024 Wiley-VCH GmbH.
Keyword ：
anion selectivity anion selectivity channel configuration channel configuration geometric matching geometric matching metal-organic frameworks metal-organic frameworks
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| GB/T 7714 | Wu, B. , Yan, Y. , Chu, X. et al. Reverse-Selective Anion Separation Relies on Charged “Hourglass” Gate [J]. | Small , 2024 , 20 (45) . |
| MLA | Wu, B. et al. "Reverse-Selective Anion Separation Relies on Charged “Hourglass” Gate" . | Small 20 . 45 (2024) . |
| APA | Wu, B. , Yan, Y. , Chu, X. , Miao, J. , Ge, Q. , Lin, X. et al. Reverse-Selective Anion Separation Relies on Charged “Hourglass” Gate . | Small , 2024 , 20 (45) . |
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Surfactant-stabilized multiphase emulsions are widely used. However, current studies on the dynamic adsorption of emulsions during flow are mainly focused on the droplet formation stage rather than the flow stage. In this study, the mass transfer of surfactants in microchannels during the droplet formation and flow phases (the overall process) was investigated and a mass transfer diffusion model and an adsorption kinetic model for emulsions were developed, which explained the mass transfer process in microchannels for low and high surfactant concentrations, respectively. Subsequently, dynamic interfacial tension values between the two phases were calculated using two surfactants (SDS and DTAB) to validate these models and the results were in good agreement with the experimental values. This study contributes to a deeper understanding of how surfactants diffuse throughout three-phase emulsions, thus shedding light on the mass transfer mechanisms inherent in these complex systems.
Keyword ：
dynamic mass transfer dynamic mass transfer microfluidic microfluidic model establishment model establishment surfactant surfactant three-phase emulsion structure three-phase emulsion structure
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| GB/T 7714 | Ge, Xue-hui , Jia, Bo , Shan, Zhiwei et al. The overall-process dynamic mass transfer research of surfactant at the three-phase emulsions interface [J]. | AICHE JOURNAL , 2024 . |
| MLA | Ge, Xue-hui et al. "The overall-process dynamic mass transfer research of surfactant at the three-phase emulsions interface" . | AICHE JOURNAL (2024) . |
| APA | Ge, Xue-hui , Jia, Bo , Shan, Zhiwei , Lin, Xiaocheng , Wang, Xiaoda . The overall-process dynamic mass transfer research of surfactant at the three-phase emulsions interface . | AICHE JOURNAL , 2024 . |
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The electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF) represents a promising pathway for producing biomass-derived value-added chemicals. Nevertheless, the use of extremely expensive ion exchange membranes (IEMs) as separators significantly sacrifices the economic benefit in large-scale applications. Herein, we report a cost-effective non-fluorine cation exchange membrane (CEM) by grafting sulfonic acid (-SO3- ) groups onto the aromatic side chain of the polyethersulfone (PES) polymer. By tuning the content of -SO3 - groups, the physicochemical properties of the resulting CEMs can be easily adjusted. Impressively, the optimal HBS-PES-1.0 CEM with fully grafted -SO3- groups can achieve a high HMF conversion of 100 %, FDCA selectivity of 98.0 %, and Faradaic efficiency of 98.3 % when used as the separator for electrocatalytic oxidation of HMF, surpassing that of the commercial Nafion 117 membrane (100 % HMF conversion, 98.1 % FDCA selectivity, and 97.4 % Faradaic efficiency). This study provides a cost-effective and high-performance CEM as a substitute for the expensive commercial membrane, paving the way to large-scale commercial applications of biomass upgrading through the electrolysis process.
Keyword ：
Biomass upgrading Biomass upgrading Cation exchange membrane Cation exchange membrane HMF electrocatalytic oxidation HMF electrocatalytic oxidation Side -chain type Side -chain type
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| GB/T 7714 | Zhang, Hongwei , Xu, Hao , Zhu, Zhen et al. Construction of non-fluorine side-chain cation exchange membranes for efficient 5-hydroxymethylfurfural electrocatalytic oxidation [J]. | JOURNAL OF MEMBRANE SCIENCE , 2024 , 706 . |
| MLA | Zhang, Hongwei et al. "Construction of non-fluorine side-chain cation exchange membranes for efficient 5-hydroxymethylfurfural electrocatalytic oxidation" . | JOURNAL OF MEMBRANE SCIENCE 706 (2024) . |
| APA | Zhang, Hongwei , Xu, Hao , Zhu, Zhen , Huang, Jinming , Zhang, Bowen , Cheng, Yafei et al. Construction of non-fluorine side-chain cation exchange membranes for efficient 5-hydroxymethylfurfural electrocatalytic oxidation . | JOURNAL OF MEMBRANE SCIENCE , 2024 , 706 . |
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To enrich and recover low-concentration (10 1 - 10 2 ppm) rare earth elements from ores and industrial wastes, high phase-ratio solvent extraction is favored. However, high phase-ratio solvent extraction is limited by low mass transfer efficiency in the continuous phase due to the insufficient contact between large volume continuous phase and sparse droplets. To realize efficient solvent extraction of rare earth ions from low concentrations (100 ppm) aqueous phase to oil phase with high phase ratio, we introduce a type of microchannel with sequential pore-throat geometry. This sequential pore-throat geometry creates capillary barriers and effectively retains dispersed droplets, leading to a reduction of apparent water - oil volume ratio and thereby major mass transfer enhancement in the continuous phase. We experimentally highlight its advantage over classic uniform microchannel for solvent extraction of rare earth ions under high phase ratios: in a double pore-throat microchannel, extraction equilibrium can be reached within 30 s under high phase ratios of 50 - 250; for an extreme phase ratio of 500:1, extraction efficiency can achieve 77 % within a quadruple pore-throat channel, while that within a uniform microchannel is only below 40 %. The superiority of sequential pore-throat microchannel for extraction at a high phase ratio is reproduced using different types of rare earth ions. We thus conclude that sequential porethroat geometry can drastically promote the performance of microfluidic-based solvent extraction at extreme phase ratios, for rare earth enrichment and potentially for other relevant applications.
Keyword ：
High phase ratio High phase ratio Microfluidics Microfluidics Rare earth elements Rare earth elements Solvent extraction Solvent extraction
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| GB/T 7714 | Ge, Xue-hui , Zhang, Huafeng , Huang, Xiaolian et al. Enhanced solvent extraction of rare earth elements in ultra-high phase ratio with pore-throat microchannels [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 353 . |
| MLA | Ge, Xue-hui et al. "Enhanced solvent extraction of rare earth elements in ultra-high phase ratio with pore-throat microchannels" . | SEPARATION AND PURIFICATION TECHNOLOGY 353 (2024) . |
| APA | Ge, Xue-hui , Zhang, Huafeng , Huang, Xiaolian , Liu, Zihan , Lin, Xiaocheng , Xu, Ke . Enhanced solvent extraction of rare earth elements in ultra-high phase ratio with pore-throat microchannels . | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 353 . |
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Under the environmental sustainability concept, landfill leachate concentrate can be up-cycled as a useful resource. Practical strategy for effective management of landfill leachate concentrate is to recover the existing humate as fertil-izer purpose for plant growth. Herein, we designed an electro-neutral nanofiltration membrane to separate the humate and inorganic salts for achieving a sufficient humate recovery from leachate concentrate. The electro-neutral nanofiltration membrane yielded a high retention of humate (96.54 %) with an extremely low salt rejection (3.47 %), tremendously outperforming the state-of-the-art nanofiltration membranes and exhibiting superior promise in fractionation of humate and inorganic salts. With implementation of the pressure-driven concentration process, the electro-neutral nanoltration membrane enriched the humate from 1756 to 51,466 mg & BULL;L-1 at a fold of 32.6, enabling 90.0 % humate recovery and 96.4 % desalination efciency from landll leachate concentrate. Furthermore, the recovered humate not only exerted no phytotoxicity, but also signicantly promoted the metabolism of red bean plants, serving as an effective green fertilizer. The study provides a conceptual and technical platform using high-performance electro-neutral nanoltration membranes to extract the humate as a promising nutrient for fertilizer application, in view of sustainable landll leachate concentrate treatment.
Keyword ：
Desalination Desalination Electro-neutral nanofiltration membranes Electro-neutral nanofiltration membranes Green fertilizer Green fertilizer Humate extraction Humate extraction Landfill leachate concentrate Landfill leachate concentrate
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| GB/T 7714 | Ye, Wenyuan , Hong, Mingqiu , Huang, Xuan et al. Towards effective recovery of humate as green fertilizer from landfill leachate concentrate by electro-neutral nanofiltration membrane [J]. | SCIENCE OF THE TOTAL ENVIRONMENT , 2023 , 896 . |
| MLA | Ye, Wenyuan et al. "Towards effective recovery of humate as green fertilizer from landfill leachate concentrate by electro-neutral nanofiltration membrane" . | SCIENCE OF THE TOTAL ENVIRONMENT 896 (2023) . |
| APA | Ye, Wenyuan , Hong, Mingqiu , Huang, Xuan , Chen, Tianci , Gu, Ailiang , Lin, Xiaocheng et al. Towards effective recovery of humate as green fertilizer from landfill leachate concentrate by electro-neutral nanofiltration membrane . | SCIENCE OF THE TOTAL ENVIRONMENT , 2023 , 896 . |
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Smart healthcare sensors (SHSs) belong to a kind of patient-centered diagnostics, which highly revolutionizes traditional healthcare service and attracts great attention. However, widespread application of currently -reported SHSs is severely limited due to their non-ideal mechanical/electrical self-healing performance, too robust/weak skin-adhesion strength, and poor water resistance. A kind of novel film-based SHSs that composed of poly(3-hexylthiophene-2, 5-diyl)/butyl rubber (P3HT/BR), eutectic Gallium-Indium (E-GaIn), and polydimethylsiloxane-P3HT/BR (P-P3HT/BR) were proposed herein and employed for high-performance elec-trocardiogram (ECG) monitoring. Specifically, viscosity characteristic and low glass transition temperature of BR, hooked chains of P3HT, and encapsulated E-GaIn jointly endowed the SHSs with high mechanical and electrical self-healing efficiencies of 79.62% & PLUSMN; 5.60% and 94.49% & PLUSMN; 5.05%, respectively. Meanwhile, skin adhesion mechanism of the SHSs was mainly relied on Van der Waals force and friction force, thus resulting in a sufficient adhesion or painless detachment with a skin-adhesion strength of 7.00 & PLUSMN; 0.70 kPa. More interestingly, extensive experimental results performed in pigs and humans demonstrated the SHSs achieved ECG monitoring with high accuracy and stable sensitivity underwater, due to the designed hydrophilic/hydrophobic Janus surface. Overall, the as-fabricated SHSs provided an outstanding biopotential monitoring and paved an ascendant way toward personalized healthcare in the new era.
Keyword ：
detachment detachment Dual autonomous self -healing Dual autonomous self -healing Electrophysiological monitoring underwater Electrophysiological monitoring underwater Janus surface Janus surface Skin adhesion Skin adhesion Smart healthcare sensor Smart healthcare sensor
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| GB/T 7714 | Lin, Genhui , Liu, Yanyun , Gong, Chenchi et al. Smart healthcare sensor with dual autonomous self-healing, repeatable skin adhesion/detachment, and hydrophilic/hydrophobic Janus surface for aquatic ambulatory electrophysiological monitoring [J]. | CHEMICAL ENGINEERING JOURNAL , 2023 , 468 . |
| MLA | Lin, Genhui et al. "Smart healthcare sensor with dual autonomous self-healing, repeatable skin adhesion/detachment, and hydrophilic/hydrophobic Janus surface for aquatic ambulatory electrophysiological monitoring" . | CHEMICAL ENGINEERING JOURNAL 468 (2023) . |
| APA | Lin, Genhui , Liu, Yanyun , Gong, Chenchi , Xiao, Peijie , Chen, Jingyi , Lu, Yi et al. Smart healthcare sensor with dual autonomous self-healing, repeatable skin adhesion/detachment, and hydrophilic/hydrophobic Janus surface for aquatic ambulatory electrophysiological monitoring . | CHEMICAL ENGINEERING JOURNAL , 2023 , 468 . |
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Fouling control is the most critical concern in the implementation of nanofiltration (NF) for dye wastewater treatment. In this study, integration of NF and Fenton-like advanced oxidation was realized by tailoring a thin film composite NF membrane (TFNi) with in situ synthesized PDA/MnO2 interlayer. TFNi was optimized by controlling the amount of MnO2 nanoparticles incorporated within the interlayer which endowed the membrane with self-cleaning property. Besides it improved the membrane surface hydrophilicity and optimized the water transport path, resulting in alleviated fouling risks and an enhanced water permeance of 24 +/- 2 L m- 2 h-1 bar-1 compared to the control membrane. Fouling and subsequent chemical cleaning experiments were carried out on TFNi under various water chemistry conditions to elucidate the underlying mechanisms governing the self-cleaning properties. Accordingly, a high flux recovery ratio (FRR) (above 95%) was maintained thanks to the generation of free radicals by MnO2-H2O2 system which was validated by determining the free radical scav-enging activities. Moreover, the interlayer confined radicals can facilitate the decomposition of foulants on TFNi. Conclusively, H2O2-initiated self-cleaning of TFNi can be of great prospect for the efficient treatment of dye wastewater via in-situ generated free radicals.
Keyword ：
Fenton -like reaction Fenton -like reaction Interfacial polymerization Interfacial polymerization Self-cleaning Self-cleaning Thin film composite nanofiltration membrane Thin film composite nanofiltration membrane
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| GB/T 7714 | Mei, Ying , Huang, Yushan , Xu, Haochen et al. Thin film composite membrane with self-cleaning properties via a catalytic interlayer for dye wastewater treatment [J]. | JOURNAL OF MEMBRANE SCIENCE , 2023 , 688 . |
| MLA | Mei, Ying et al. "Thin film composite membrane with self-cleaning properties via a catalytic interlayer for dye wastewater treatment" . | JOURNAL OF MEMBRANE SCIENCE 688 (2023) . |
| APA | Mei, Ying , Huang, Yushan , Xu, Haochen , Yang, Wulin , Lin, Xiaocheng . Thin film composite membrane with self-cleaning properties via a catalytic interlayer for dye wastewater treatment . | JOURNAL OF MEMBRANE SCIENCE , 2023 , 688 . |
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