ACS Applied Bio Materials
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2025
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IF 4.7
Aiqing Li,Jun Sun,Denghai Sheng,Shengen Gu,Mengying Zhan,Xiaoli Liu,Hong Chen
Blood-contacting materials are frequently challenged by endothelial damage, thrombosis, and intimal hyperplasia, significantly limiting their long-term efficacy. To mitigate these issues, a composite coating was developed by integrating nitric oxide (NO)-releasing CuBTTri with hyaluronic acid (HA) on a polydimethylsiloxane surface. To combine the cell adhesion property of polydopamine coatings, the hydrophilic and antifouling properties of HA, and the ability of CuBTTri to catalyze NO release, a polydopamine-polyethylenimine layer was deposited to enhance surface adhesion, followed by the covalent attachment of CuBTTri-loaded hyaluronic acid, forming hyaluronic acid-polydopamine composite coatings (PHMn). Among these, the PHM2 coating (200 μg/mL CuBTTri, obtained by dispersing 1 mg CuBTTri in 5 mL HA solution) demonstrated superior performance, efficiently catalyzing NO release from endogenous donors. This process selectively inhibited smooth muscle cell (HUVSMC) adhesion and proliferation while fostering endothelial cell (HUVEC) growth, achieving a HUVEC-to-HUVSMC density ratio of approximately 1.9. Furthermore, HUVECs on PHM2 exhibited high viability (∼97%) and increased CD31 expression, reflecting favorable endothelialization. The coating also displayed remarkable hemocompatibility, as evidenced by extended plasma recalcification time and a reduced hemolysis rate. The NO-releasing capability of CuBTTri, in conjunction with the hydrophilic and antifouling characteristics of hyaluronic acid, constitutes an effective strategy for fabricating blood-contacting materials with selective endothelialization and sustained hemocompatibility.
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Inorganic Chemistry Frontiers
·
2025
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IF 6.4
Xiaolong Fang,Tingting Luo,Gang-Gang Chang,Li Mei,Ziwen Li,Yao Yao,Chao Liu,Didi Dong,Xiao-Yu Yang
Metal-organic frameworks (MOFs) have garnered extensive research interest due to their ultrahigh porosity and flexible tunability. However, the predominantly microporous structures of most reported MOFs impose substantial mass transfer resistance and restrict the exposure of active sites, while their powdered form poses a major bottleneck for industrialization. In this work, hierarchical ultrasmall MOF aerogels with micro/mesoporous structures and high specific surface area, HP-UiO-66-NH2-X@WCA are successfully synthesized via an in-situ construction strategy driven by H2O/Ace competitive nucleation. Notably, the fabricated HP-UiO-66-NH2-X@WCA under this solvent-regulated environment effectively exposes more active sites and promotes the rapid diffusion of large molecules due to its ultrasmall nanoparticles (< 25 nm) and tunable interconnected mesopores (3.7 - 21.3 nm). Moreover, HP-UiO-66-NH2-X@WCA exhibits excellent structural stability and elasticity, imparting exceptional durability and convenient recyclability in practical applications. Benefiting from above advantages, HP-UiO-66-NH2-X@WCA demonstrates superior macromolecular selective adsorption and efficient catalytic activity compared to microporous MOF aerogels with larger particle sizes. Furthermore, when HP-UiO-66-NH2-X@WCA is packed into a fixed-bed reactor for continuous-flow catalysis, it exhibits excellent activity and stability over long-term operation. This work offers new insights into the controlled design and fabrication of high-performance hierarchical MOF aerogels for practical adsorption and catalytic applications.
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NEW JOURNAL OF CHEMISTRY
·
2025
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IF 2.5
Hao Guo,Dengke Zhuang,Zhiguo Yu,Liping Peng,Yanyan Ma,Zeyun Yang,Yu Yan,Yingfei Hui,Wu Yang
Bacillus anthracis is a highly dangerous zoonotic pathogen that poses a considerable threat to public health. Rapid and accurate detection of the biomarker 2,6-pyridinedicarboxylic acid (DPA) is necessary for the effective prevention and treatment of infections caused by this microorganism. Here, a new method for detecting DPA using a bi-emission ratio fluorescence sensor based on a bismuth organic skeleton (Bi-MOF) is developed. The dual-emission ratio fluorescent sensor (Eu@Bi-MOF) is prepared by Eu3+ functionalizing Bi-MOF, synthesized through using bismuth nitrate as the metal node and 1,3,5-phenyltricarboxylic acid as the ligand, with a post-synthetic modification method and exhibits a sensitive fluorescent response to DPA. In the presence of DPA, the fluorescence intensity of the Eu@Bi-MOF sensor at 438 nm remains unchanged, while the red fluorescence emission at 615 nm was significantly quenched due to the internal filtration effect (IFE). The fluorescence intensity ratio I438/I615 shows a good linear relationship with DPA concentration in the range of 0.5–60 μM, and the detection limit is as low as 0.36 μM. This method provides a sensitive and reliable alternative strategy for rapid DPA monitoring.
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RSC Advances
·
2025
·Vol. 15
·期 36
·29989-29994
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IF 4.6
Xin-Yu Liu,Shu-Jing Zhou(Co-author),Fang Luan,Yu-Hang Wang,Xiu-Juan Ma,Li-Yuan Sui,Yan-Ru Feng
Metal-organic frameworks (MOFs), characterized by their high porosity, large specific surface area, and tunable pore structures, have emerged as promising host materials for advanced functional applications. In this study, two organic dyes, fluorescent bleacher (CBS) and coumarin (C6), exhibiting blue and green fluorescence, respectively, were co-encapsulated into europium (Eu)-based MOFs, where Eu3+ served as the central metal to introduce red emission. The ligand employed was 9-butylcarbazole-2-carboxylhydrazide thiophene (Cz). A white fluorescent powder, coumarin/fluorescent bleacher/carbazole derivatives@Eu (C6/CBS/Cz@Eu), was synthesized using an in situ encapsulation method. The C6/CBS/Cz@Eu was incorporated into PVA to prepare a film. The resulting C6/CBS/Cz@Eu film demonstrated a high-quality white light emission under excitation by commercial 400 nm light-emitting diode (LED) chips, achieving ideal Commission Internationale de l'Éclairage (CIE) chromaticity coordinates of (0.34, 0.35) and a correlated color temperature (CCT) of 5267 K. This strategy offers a versatile and scalable method for the design and fabrication of white light-emitting materials, beneficial for the development of next-generation white light-emitting diode (WLED) technologies.
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DALTON TRANSACTIONS
·
2025
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IF 3.3
Xiaoyue Wang,Rajapriya Andavar,Jiahong Xie,Wenli Liu,Yanzhi Sun,Yongmei Chen,Yang Tang,Pingyu Wan,Junqing Pan
Advanced, efficient, and eco-friendly technologies are essential for the safe recycling of spent lead-acid batteries for minimizing their environmental impact by mitigating toxic wastes and promoting resource sustainability by recovering valuable lead. Herein, we proposed a simple, zero-emission electrochemical strategy to recover metallic lead via the direct electrolysis of lead-acid batteries. MnxOy@RuO2 with a layered structure of stacked nanosheets was prepared via facile hydrothermal and annealing methods. MnxOy@RuO2 exhibited low overpotentials of 175 mV and 248 mV at a current density of 10 mA cm−2 in 0.5 mol L−1 H2SO4 and Pb(MSA)2, respectively, showcasing its excellent OER activity. Notably, the catalyst exhibited excellent stability for over 10 hours. The MnxOy@RuO2 catalyst during constant current electrolysis required an overpotential of only 375.6 mV at 25 mA cm−2 to function, greatly reducing the precipitation of PbO2. MnxOy@RuO2 facilitated high-efficiency oxygen evolution reaction using the lead MSA electrolyte, suppressing the PbO2 formation and reducing the anode overpotential, making it an ideal anode material for energy-efficient lead recovery.
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DESALINATION
·
2025
·
IF 9.8
Yueyu Liu,Lili Gao,Shiwei Li,Libo Zhang,Shaohua Yin
Nanofiltration (NF) has been recognized as a sustainable approach for lithium extraction from salt lakes. However, conventional thin-film nanocomposite (TFN) membranes face persistent challenges in overcoming the “trade-off”. This study reports a tunable growth strategy of MOF nanocrystals within the selective layer, enabling enhanced permeability and ion selectivity for lithium recovery from brine. Based on a “De novo synthesis” strategy, ultrasound-assisted in situ growth of smaller-sized NH 2 -ZIF-8 nanocrystals is achieved through controlled ligand substitution and nanocrystal size modulation within the separation layer. The optimized membrane exhibited outstanding performance, with a high Mg 2+ /Li + selectivity ( S Li/Mg = 113.97), high permeability (18.52 L m −2 h −1 bar −1 (LMH/bar)), and long-term stability over a 336-hour separation test. Furthermore, the mass transfer behavior during nanofilm formation has been elucidated by theoretically analyzing monomer diffusion kinetics and the variation of monomer concentration at the reactive interface. This work presents an efficient strategy for MOF generation and provides a promising pathway for the high-efficiency extraction of lithium from complex brine resources.
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Journal of Energy Storage
·
2025
·
IF 9.8
Zhiru Yang,Zi Yang,Wentao Hou,Hai Zhou,Hao He,Chao Jin
This study modifies the structure of bimetallic cobalt‑nickel metal-organic framework (CoNi-MOF) via a sulfur doping strategy to form a composite material (CoNi-MOF-S) and investigates the mechanism for enhancing its electrochemical performance as a supercapacitor electrode. Compared with undoped CoNi-MOF, the introduction of sulfur plays a dual role: on one hand, sulfur replaces partial elements in organic ligands to form metal‑sulfur covalent bonds, which enhance electron transport efficiency; on the other hand, it successfully induces the formation of cobalt sulfate and nickel sulfate crystalline phases. These newly generated crystal phases construct a stable framework within the nanostructure, effectively alleviating the volume expansion problem during charge-discharge processes. The synergistic effect between the two endows the material with excellent charge-discharge performance and cycling stability. Experimental results show that CoNi-MOF-S2 exhibits superior specific capacitance (701C/g at 0.5 A g −1 ) and cycling stability (capacity retention >85 % after 5000 cycles at 5 A g −1 ) in 6 M KOH electrolyte. Furthermore, a flexible quasi-solid-state supercapacitor with a sandwich structure is constructed using CoNi-MOF-S2 as the positive electrode, activated carbon (AC) as the negative electrode, and a gel electrolyte. This device achieves an energy density of 53.4 Wh kg −1 at a power density of 379.4 W kg −1 , maintains 76.9 % capacity after 5000 cycles at 5 A g −1 , and can operate normally during bending. Demonstrating the synergistic mechanism of crystalline phase reconstruction and electronic structure optimization, this study offers new insights to enhance the performance of CoNi-MOF for electrode materials.
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PROGRESS IN ORGANIC COATINGS
·
2025
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IF 7.3
Xianliang Li,Yawei Shao,Zhihao Chen,Yanqiu Wang,Junyi Wang
In this study, a fluorescence and Fe 3+ ions-responsive cerium-based metal organic framework is decorated on phytic acid-glucose hydrothermal copolymer-coated montmorillonite (MMT@CP@Ce-MOF) nanocontainer, which was developed for Q235 carbon steel's corrosion protection and detection in solution, waterborne epoxy coatings (WEP), and solvent epoxy coatings (EP). In the solution phase, the corrosion detection ability of Q235 carbon steel was introduced, relying on the Fe 3+ ions-responsive characteristic of MMT@CP@Ce-MOF. In the coating phase, WEP and EP with good barrier effect, active anti-corrosion, self-detection, and good mechanical performance were fabricated by integrating MMT@CP@Ce-MOF nanocontainers. The EIS results indicated that 2D MMT@CP@Ce-MOF based composite coating showed better anti-corrosion performance (the |Z| f= 0.01Hz value of EP-MMT@CP@Ce-MOF and WEP-MMT@CP@Ce-MOF remained 1.33 × 10 9 Ω·cm 2 and 2.71 × 10 8 Ω·cm 2 , respectively, far higher than the bare coating) after 40 d immersion. At the same time, the Ce-MOF nanosensor could accurately reflect the occurrence of corrosion at the coating damage sites. Furthermore, high adhesion force (2–3 times higher than bare coating) and results of coating fracture surface showed that homogenously incorporated MMT@CP@Ce-MOF could improve the composite coating mechanical properties by chemical interaction with the epoxy polymer.
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CHEMICAL ENGINEERING JOURNAL
·
2024
·
IF 13.3
Xu-Chao Xia,Feng Cheng,Peng Sun,Amare Aregahegn Dubale,Hao Han,En-Tian Cui,Jun Song,Xiu-Li Yang,Ming-Hua Xie
Photocatalytic CO 2 reduction is a potential promising strategy for eliminating the global energy crisis and environmental issue. However, the complex reduction pathway leads to multiple possible products with limited efficiency, representing a great barrier for the further development. Herein, we report a Metal-organic framework (MOF) based heterostructure model for the efficient photoreduction of CO 2 with full controllable product selectivity between CO and C 2 H 5 OH. Novel core-sheath like MOF@TiO 2 heterostructures could be efficiently prepared by the layer-by-layer (LBL) growth of HKUST-1 onto Cu-embedded TiO 2 nanofibers (NFs), affording covalent heterointerfaces for efficient S-scheme charge separation and promising potential in photocatalytic activity regulation. By improving the CO 2 capture and retention via in situ amino-functionalization of HKUST-1, the photocatalytic CO production rate could be greatly promoted from 8.76 ± 0.84 to 43.46 ± 0.86 μmol g −1 h −1 accompanied by an enhancement of selectivity from 91.7 % to 98.3 %. Moreover, the product could be efficiently engineered into ethanol with a C 2 product selectivity of 94.2 % by introducing Cu nanoparticles (NPs) as the additional C C coupling site. The in situ FT-IR and DFT calculations reveal the mechanistic process and decisive role of amino-functionalization and Cu NPs deposition in photocatalytic activity engineering. This work highlights the key factors and significance of fabricating MOFs based heterostructures with tunable photocatalytic activity for achieving CO 2 neutralization.
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Green Energy & Environment
·
2025
·
IF 14.6
Jiao Chen,Kuichang Zuo,Jiajin Liang,Gang Wang,Lin Lin,Xiao-yan Li
High-performance electrode materials are critical for the development of the capacitive deionization (CDI) technology for efficient water desalination. In this study, binder-free porous carbon electrodes were successfully prepared from the fungal hyphae sheet with the formation and growth of metal-organic framework (MOF) crystals on the surface of hyphal fibers. The continuous fungal fibrous structure with abundant surface functional groups provided an ideal supporting substrate for in-situ oriented MOF growth. The MOF-fungal hyphae derived carbon (MOF-Fhy-C) exhibited an excellent property for CDI application, such as a large accessible surface area, excellent electrical conductivity, high porosity and hydrophilicity. The MOF-Fhy-C electrode achieved an outstanding CDI performance with a salt adsorption capacity of 40.8 mg/g and an average salt adsorption rate of 1.4 mg/(g·min) for treating 10 mmol/L NaCl solution at a cell voltage of 1.2 V, which are considerably higher than most of carbon-based electrodes reported in the literature. This research presents an effective strategy for fabricating freestanding CDI electrodes from fungal materials with MOF for high-performance desalination.
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NEW JOURNAL OF CHEMISTRY
·
2025
·
IF 2.5
Xiaoqi Jin,Zong-Qun Li,Jinlong Ge,Linlin Zhu,Caiyan Liu,Qiu Li,Jing Liu,Chenlin Yin,Gaoyu Su
Ca-based MOFs and related derived materials offer promising potential for CO2 capture. In this study, we synthesized a CaBTC MOF and polydopamine coated MOF composite by using an ultrasonic irradiation method, and a corresponding derivate was obtained by thermal treatment. The capacity of CO2 capture and subsequent adsorption performance from the resulting CaBTC MOF/MOF derivate under different temperatures were investigated in detail. The structural features and textural parameters of the obtained absorbents were assessed by XRD, SEM, EDS, FT-IR spectroscopy, Raman spectroscopy, XPS, TG-DSC, and N2 absorption/desorption characterization. The results demonstrated that the prepared of CaO/CN-x with basic functional groups exhibited micro/mesoporosity derived from organic matter removal through carbonization at 800°C. Both of these properties accounted for the highest CO2 capacity of 2.30 mmol/g at 273 K using pure CO2 for the CaO/CN-5 sample. Additionally, we found that the derivate of CaBTC MOF at high temperatures experienced two stages of chemical adsorption, as well as carbonation reaction. The high CO2 capture capacity reached 60.2 mass% in 10 min at 873 K for the CaO sample. Furthermore, the introduction of carbon components derived from organic matter in the CaBTC MOF derivate matrix promoted the conversion of CO2 to CO through the reduction reaction. Possible reaction mechanisms for the conversion of CO2 to CO were preliminary proposed based on thermodynamic calculation.
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JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
·
2025
·
IF 4.9
Yazhou Liu,Jingwen Hu,Qiyong Zhu,Ping Yang,Yao Jiang,Xuezhi Zhang,Siying Wu
An innovative preparation approach was utilized to prepare bimetallic nanohybrid arrays of NiCo-LDH onto nickel foam through a hydrothermal technique. Then, 2,5-Dihydroxyterephthalic acid ligands were engaged to synthesize NiCo-MOF via a solvothermal method. Subsequently, an alkaline etching-induced technique transformed the bimetallic MOF back into LDH (designated as Et–NiCo-LDH), yielding a bimetallic hydroxide characterized by a denser nanohybrid array and a more abundant pore structure, thereby demonstrating exceptional specific capacitance. The resultant material exhibited a remarkable specific capacitance of 22.39 F cm −2 at a current density of 2 mA cm −2 (about 1194.16 F g −1 at 1 A g −1 .The loading capacity is 12 mg per square centimeter). After enduring 5000 galvanostatic charge-discharge cycles at a current density of 15 mA cm −2 , the material maintained 83.6 % of its initial capacity. Furthermore, when assembled into an asymmetric supercapacitor device with the as-synthesized Et–NiCo-LDH@NF composites serving as the positive electrode and activated carbon (AC) as the negative electrode, the device demonstrated an energy density of 671.42 Wh m −2 and a power density of 1399.99 W m −2 . Additionally, at a mass loading of 1 A g −1 , the energy density and power density were recorded as 45.04 Wh kg −1 and 350.37 W kg −1 , respectively, with a mass loading of 12 mg cm −2 . A capacity retention rate of 85.6 % was achieved after 5000 cycles. This study offers a straightforward method for producing uniform and dense bimetallic nanohybrid arrays tailored for applications in the capacitor field.
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