JOURNAL OF MOLECULAR STRUCTURE
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2024
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IF 4
Deyu Qin,Boyang Zhou,Zhifang Li,Changlong Yang
Supercapacitors, as new electrochemical energy storage (EES) devices, with the lower energy density seriously hinder their realization of the requirements for future high energy storage devices. Thus, It is crucial to develop straightforward and efficient approaches to address the aforementioned challenges in future EES devices. In this paper, controllable multi-component composites are designed and ZnO is used as a conductive carrier in preparing layered structured ZnO-Zn/Co-metal-organic framework-polyaniline (ZnO-Zn/Co-MOF-PANI, ZZCMP) electrode materials by solvothermal and electrodeposition methods. The abundant active sites and the high specific surface area of the MOF are used to create the conditions for the loading of PANI, while it can establish an effective ion/electron transport channel with PANI to enhance the material utilisation and the electrochemical performance of the overall material. Add to that, the advantages of flexibility and rigidity of pristine MOF are made use of to provide sufficient space during the process of long-term charging and discharging, thus facilitating resistance to the structural deformation and enhancing the mechanical stability of the material. The optimized integrated electrode ZZCMP-10 exhibits a capacitance of 458.9 F . g − 1 when operated at a current density of 1 A . g − 1 . The asymmetric supercapacitor (ASC) is constructed with ZZCMP-10 as the positive electrode material and active carbon is used as the material for the negative electrode, which shows an energy density of 26 Wh . kg −1 at a current density of 1 A . g − 1 and a retention of 75.3 % capacitance is achieved after 5000 cycles of long-term charging and discharging. This study provides a reasonable exploration for designing high-energy-density electrochemical energy storage devices.
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高影响因子
Journal of Science-Advanced Materials and Devices
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2024
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IF 6.7
Jiahui Kong,Mengru Cai,Rongyue Zhu,Yongqiang Zhang,Yuji Du,Xiaohong Jing,Yufei Sun,Rongrong Chang,Changhai Qu,Xiaoxu Dong,Jian Ni,Xingbin Yin
ABSTRACT: The annual prevalence of gastric cancer has increased in recent years. Curcumin (CUR) has shown great potential in the treatment of gastric cancer; however, its low bioavailability and poor efficacy hinder its widespread clinical application. Additionally, CUR has been found to be excellent photosensitizer in photodynamic therapy. In this study, the iron-based metal-organic framework Fe Tetrakis (4-carboxyphenyl) porphyrin (Fe-TCPP，FT) was used as a photosensitizer and mononuclear agent. The natural anti-tumor active ingredient CUR was loaded as both a chemotherapeutic agent and photosensitizer to form the nanoparticles CUR@FT (CF). Finally, a cell-penetrating peptide (CPP10) was modified on the surface of the nanoparticles to construct a drug delivery system (named CPP10-PEG@CUR@FT, CCF) that could actively target tumor cells while exerting a synergistic therapeutic effect of chemotherapy and photodynamic therapy. This can improve the efficacy of CUR as a chemotherapeutic drug or photosensitizer, and the high drug load and pH sensitivity of FT nanoparticles provide an excellent carrier for the efficient delivery of CUR. The polyethene glycol (PEG)-conjugated CPP10 (PEG-CPP10) coating allows nanoparticles to specifically target gastric cancer cells, significantly improving the absorption of nanoparticles in vivo and in vitro and improving biosafety. We evaluated the thermal stability, drug loading capacity, and safety of FT as a drug delivery vehicle. We also assessed the in vitro photodynamic performance and toxicity of various nanoparticles and the targeting and biocompatibility of CPP10-PEG@CUR@FT. CPP10-PEG@CUR@FT could specifically target tumor cells, and its effect on killing gastric cancer cells (MKN45) under light was much stronger than that of free CUR. Its toxicity and side effects to other organs and tissues are low, offering good biosafety. The experimental results showed that FT and CUR exerted synergistic effects on photodynamic therapy and chemotherapy. In summary, our novel CUR-loaded targeted nanodrug delivery system offers significant advantages by combining photodynamic therapy and chemotherapy for tumor treatment. This approach introduces a new concept for integrating chemotherapy, photodynamic therapy and targeted drug delivery, potentially providing a new strategy for the clinical treatment of gastric cancer.
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JOURNAL OF MEMBRANE SCIENCE
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2024
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IF 8.4
Qian Wang,Changchao Zhou,Li Shen,Eryue Song,Yu Yang,Haiqian Lian,Rujing Hou,Yichang Pan
The pervaporation (PV) technology is attractive for azeotrope component separation of the MeOH/MTBE mixture due to the reduced energy and cost relative to the traditional ternary distillation process. However, the membrane separation performance is largely affected by its microstructure including pore size and shape as well as its surface properties such as hydrophilicity. Herein, we report a Co-gallate MOF membrane that features preferential adsorption and diffusion of methanol (MeOH) relative to the methyl tert -butyl ether (MTBE) molecules during the PV separation process. The high-quality Co-gallate MOF membrane has been prepared by introducing a regulator of KOH. The MeOH flux of the Co-gallate MOF membrane was 0.565 kg m −2 h −1 and the separation factor was up to 721 at 15 wt% MeOH/MTBE feed composition. It is worth noting that the separation performance exceeds most of the reported membrane materials for MeOH/MTBE separation in the PV process. Furthermore, the separation performance of the Co-gallate MOF membrane for MeOH/MTBE mixtures remained almost unchanged over 70 h, indicating the reliable long-term stability of the membrane. Thus, the Co-gallate MOF membrane demonstrated a potential practical application for MeOH/MTBE separation.
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高影响因子
Journal of Energy Storage
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2025
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IF 9.8
Fuyu Chen,Zhongjie Wang,Xuhong Yin,Xiangdong Cheng,Qiang He,Hui Chen,Qinfang Zhang
The vanadium flow battery (VFB) has garnered significant attention for its potential to enable cost-effective utilization in large-scale energy storage. Nevertheless, the electrochemical activity of electrodes is limited during vanadium redox reactions, which poses a challenge to achieving high-performance VFBs. To address this, we synthesize a catalyst consisting of amorphous carbon, manganese oxide, and cobalt, to enhance VFB performance. Initially, bimetallic metal-organic frameworks with varying Mn Co ratios are synthesized using a hydrothermal method. Subsequently, the bimetallic metal-organic frameworks are carbonized to form the catalysts. The morphology, composition, electrocatalytic activity, and charging-discharging behavior of the prepared catalysts are then systematically investigated. This paper reveals that: i) the composite with a molar ratio of manganese to cobalt of 1:4, exhibits a uniform and fine particle distribution, an abundance of oxygen-containing functional groups, and exceptional electrochemical activities; ii) it enhances the energy efficiency of VFBs by 9 % compared to those utilizing raw carbon felts and by 5 % over those with mono-MnO@C or mono-Co@C electrodes at 100 mA cm −2 ; iii) it offers significant improvements in terms of operating voltages, cell capacities, high current density characteristics, and lifespan. Consequently, this work introduces a novel electrochemical catalyst for VFBs, enhancing their performance and broadening their potential applications.
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BIOELECTROCHEMISTRY
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2025
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IF 4.5
Runran Ma,Te Li,Xueying Li,Jianwei Han,Xin Zhang,Tingting Di,Jiabo Wang,Weijun Kong
A ratiometric electrochemical aptasensor was developed for ultra-sensitive detection of cortisol using aptamer (Apt) as recognition element, methylene blue (MB) as signal probe, and zirconium metal–organic framework (Zr-MOF) as carrier loaded with abundant MB for signal amplification. The carboxylated multi-walled carbon nanotubes (cMWCNTs)-modified Au electrode showed excellent electrochemical performance to immobilize complementary DNA (cDNA) for hybridizing with MB@Zr-MOF-Apt via amide bonds. In the presence of cortisol, it would compete with cDNA for binding the Apt, resulting in the detachment of MB@Zr-MOF-Apt complex from the electrode surface, and the electrochemical signal of MB was decreased, while that of [Fe(CN) 6 ] 3−/4− was basically unchanged. The ratio of the electrochemical signals of [Fe(CN) 6 ] 3−/4− to MB was proportional to the cortisol concentration. Due to the greatly enhanced conductivity of the cMWCNTs-decorated Au electrode and the largely improved EC signals of Zr-MOF encapsulated MB probes, this ratiometric electrochemical aptasensor offered high sensitivity with an ultra-low detection limit of 0.0046 nM and a wide linearity of 0.01–1000 nM, as well as satisfactory accuracy with recoveries of 93.79–106.76 % in artificial sweat samples, providing a potential strategy for the detection of more trace hormones in different clinical samples by simply replacing the corresponding aptamers.
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PubMed
高影响因子
JOURNAL OF MOLECULAR STRUCTURE
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2024
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IF 4
Miao Jiang,Peng-Li Zhao,Yong-Ning Yue,Xue-Qin Song,Li Wang
With the acceleration of industrialization and energy consumption, global concerns for the safety of ecological system and sequent human health have attracted consideration attention increasingly in view of the severe contamination both in aqueous environment and aerosphere. Therefore, the development of multifunctional species for efficient adsorption of pollutants and chemical fixation of CO 2 receives increasing attention. Herein, an anionic Er III metal organic framework ( Er-MOF ) with large hexagonal channels, is obtained based on a benzene-spaced tetracarboxylate ligand, H 4 L (H 4 L = 1,4-bis(2′,2′′,6′,6′′-tetracarboxy-1,4′:4,4′′-pyridyl) benzene). Adsorption analysis indicates that Er-MOF behaves as an excellent adsorbent for selectively absorbing MB in water with a maximum adsorption capacity of 494.1 mg·g ‒1 . The adsorption mechanism could be a combination of size matching, electrostatic interaction, π···π stacking and hydrogen bonding. In addition, Er-MOF is demonstrated to be an efficient catalyst in the cycloaddition of CO 2 with epoxides under mild conditions due to its excellent stability, substantial specific surface area, confined space and well-exposed Lewis acid/base sites. The findings presented herein had great significance for enriching the multifunctional lanthanide MOFs in environmental applications.
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MICROPOROUS AND MESOPOROUS MATERIALS
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2017
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IF 3.615
Tingting Xu,Xudong Hou,Shengjun Liu,Bo Liu
We demonstrated a facile and efficient method for the preparation of a magnetic and porous Ni@MOF-74(Ni) [Ni 2 (DOBDC), DOBDC = 2, 5-dihydroxyterephthalate] composite by one-step solvothermal reaction of Raney Ni and DOBDC. Ni in the reaction not only acted as the core of the composite, but also provided metal source for the formation of MOF-74(Ni). The Ni@MOF-74(Ni) composite exhibits both magnetic characteristics and high porosity, enabling it an efficient candidate for dye removal and target drug delivery system. The adsorption amount of rhodamine b reached up to 177.8 mg g −1 , and 4.1 mg g −1 for ibuprofen.
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Food Bioscience
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2024
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IF 4.8
Jiaxin Wen,Yuxin Guo,Xiangyu Li,Bingyang Wang,Huifang Wang,Xianghua Gao,Baolong Niu,Wenfeng Li
Antimicrobial packaging films are an effective means to avoid food infections. PVA has good film-forming and mechanical properties, but its water resistance and antimicrobial properties are insufficient. In this study, a rod-shaped Ag-MOF with photocatalytic properties was synthesized as an antimicrobial agent by a hydrothermal method using citrate esterified PVA as a film-forming substrate. The MICs of Ag-MOF against Escherichia coli and Staphylococcus aureus were 16 μg/mL and 32 μg/mL, respectively, and it had good biocompatibility. Under blue light irradiation, Ag-MOF induced the production of ROS, which increased the inhibition rate by more than 83.78%. The antimicrobial mechanism experiments showed that it caused irreversible damage to the bacterial cell membrane through the synergistic effect of Ag + and ROS. The best mechanical properties of the films were obtained at 3% citric acid content, with the water vapor transmission rate, water solubility and swelling rate reduced by 0.19 g·mm·m −2 ·h −1 ·kPa −1 , 65.33% and 11.26%, respectively. The antimicrobial rate of the composite film could reach more than 98% by adding only 1 MIC of Ag-MOF. In conclusion, photocatalytic antimicrobial agents have great potential for application in food packaging.
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高影响因子
ADVANCED FUNCTIONAL MATERIALS
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2024
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IF 18.5
Liyuan Zhou,Hongwei Pan,Guijie Yin,Yang Xiang,Pingping Tan,Xu Li,Yinzhu Jiang,Maowen Xu,Xuan Zhang
Separators serve as critical components in batteries, bearing the responsibility for battery safety. In addition to the demand for increased flame resistance of separators, there is a growing interest in the additional functions of battery separators. In this work, a multifunctional coating integration strategy is proposed for battery separators via the versatility of metal–organic frameworks. A versatile and high-safety MIP-202@2320 composite separator is engineered and it is integrated into lithium–sulfur batteries. The presence of Cl − and the porous structure of MIP-202 impart flame-retardant characteristics and high electrolyte retention (80%) to resulting separators. Moreover, coupled with the negatively charged electron cloud formed by Cl − ions within the channels, it can selectively impede the polysulfides from migrating toward the anode, while concurrently facilitating the movement of Li + ions. The assembled lithium–sulfur battery with MIP-202@2320 as the separator maintains an impressive 71.8% capacity retention even after 600 cycles at a 0.5C rate. This multifunctional integration strategy not only boosts the performance of lithium–sulfur batteries but also pioneers a new direction for the design of future battery separators for different kinds of batteries.
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高影响因子
Cell Reports Physical Science
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2024
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IF 7.9
Mengfan Mao,Shengfei Liu,Xiaolong Zhong,Yue Lin,Cuiying Lin,Guoqing Hu,Kang Liang,Chuanhui Huang,Zhenyu Lin
Metal-organic frameworks (MOFs) have emerged as promising platforms for enzyme immobilization. Nevertheless, conventional MOF carriers encounter challenges, including restricted catalytic activity and inadequate acid stability, thereby limiting their applicability in oncological contexts. Here, glucose oxidase and ZIF-8 (a common MOF carrier) are chosen as models. Hierarchically hollow two-dimensional conjugated MOF (Zn-HHTP [zinc 2,3,6,7,10,11-hexahydroxytriphenylene]) nanocapsules are constructed by a mild ZIF-8-to-Zn-HHTP transformation at room temperature to boost the ex vivo and in vivo biocatalytic activity and stability of enzymes. The hierarchical Zn-HHTP nanocapsules feature hollow nanostructures and mesoporous-microporous structures (4.2 and 1.2 nm), which are beneficial for enhanced biocatalytic activity and maintaining enzyme conformation. Glucose oxidase@Zn-HHTP exhibits 2.5 times higher catalytic activity than that of glucose oxidase@ZIF-8. Importantly, nanocapsules exhibit higher acid stability than the parental ZIF-8, allowing them to stably traverse the acidic microenvironment of a tumor and achieve intracellular glucose detection to discriminate normal and cancerous cells.
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高影响因子
TALANTA
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2024
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IF 5.6
Haojie Xie,Lin Wang,Xiaomeng Yu,Tianci Zhou,Minghui Wang,Jie Yang,Tao Gao,Genxi Li
The construction of hybrid materials is significant for the exploration of functionalities in colorimetric biosensing due to its structural designability and synergy effects. In this work, a COF-on-MOF hybrid nanomaterial has been newly synthesized for colorimetric biosensing. Experimental results reveal that on-surface synthesis of COF on MOF brings nanoscale proximity between COF and MOF, which exhibits more than two folds of peroxidase-like activity as compared to single Fe-MOF. Therefore, by using the MCA@Fe-MOF nanomaterial with the assist of a specific acetyl-peptide, MCA@Fe-MOF can serve as an efficient signal reporter for colorimetric assay of histone deacetylase (HDAC), and the limit of detection (LOD) can be as low as 0.261 nM. Looking forward, the demand for diverse and promising COF-on-MOF nanomaterials with varied functionalities is anticipated, propelling further exploration of their role in colorimetric biosensing.
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PubMed
高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
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2025
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IF 9
Lingmei Zhu,Hengyu Pan,Huijie Wei,Chang Gao,Tiance Zhang,Maolin Zhou,Qiang Luo,Boyang Tian,Jianhua Wang,Yongping Hou,Yongmei Zheng
Atmospheric water harvesting (AWH) technology offers a sustainable and innovative solution to address water scarcity in arid and remote regions, with its performance primarily dependent on the water adsorption capacity and kinetics of the adsorbent materials. However, conventional materials still face efficiency limitations under high-humidity conditions. Inspired by the unique hump structure of spider silk, this work innovatively develops bioinspired porous nanofibril-humped fibers (BPNF) through a green synthesis approach. The hierarchical porous architecture is constructed via radical polymerization and aqueous-phase in situ growth of MOF-303, eliminating the need for toxic reagents, while microfluidic spinning enables bionic hump structuring with minimal energy consumption. By integrating micro/nanochannels and hydrophilic surface modifications, the material achieves synergistic optimization of low diffusion resistance and high water harvest efficiency. MOF-303 is completed through in-situ hydrothermal growth and ensures the environmental friendliness of the synthesis process. Experimental results demonstrates that the BPNF achieves a remarkable water harvesting rate of 1.63 g cm −2 h −1 at 90–100 % RH, outperforming conventional materials by 2.3 times, with a 62 % reduction in carbon footprint. This work establishes a new paradigm for designing high-efficiency, sustainable AWH materials, combining biomimetic structural engineering with green manufacturing principles. This study provides insight into the design of novel AWH materials, which can be extended to some practical applications, e.g., water engineering in industry or agriculture systems.
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高影响因子
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