Nanomaterials
·
2024
·Vol. 14
·期 15
·1240
·
IF 4.4
Dongmei Zhang,Jiaqi Zhao,Yangyang Peng,Yuchao Li,Wenbin Guo,Chengzhu Liao
Water pollution seriously affects the development of society and human life. There are various kinds of pollutants, including soluble pollutants and insoluble floaters on the water surface. Herein, the photocatalyst semiconductor BiOCl and superhydrophobic functional particles Mg(OH)2were deposited on the surfaces of canvas and polyester felt to construct superhydrophobic canvas and polyester felt. The contact angles of the synthetic superhydrophobic canvas and polyester felt were measured as 152° and 155.3°, respectively. The selective adsorption of hexadecane was achieved using the wetting difference between the surface of water and pollutants floating on the surface. For dissolved pollutants, the surface wettability needed to be changed with the help of ethanol. The degradation efficiencies were all greater than 90%, demonstrating the versatility of the synthetic superhydrophobic canvas and polyester felt.
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PubMed
高影响因子
Energy Storage Materials
·
2024
·
IF 18.9
Caiyun Sun,Guangsheng Huang,Chaohe Xu,Lingjie Li,Aitao Tang,Xiaoyuan Zhou,Jingfeng Wang,Fusheng Pan
Aqueous rechargeable Mg-ion batteries (ARMIBs) are promising for large-scale energy storage due to the aqueous electrolyte's high safety and low cost. However, the aqueous electrolyte's narrow electrochemical stability window (ESW) significantly hinders the development of ARMIBs, especially the compatibility of electrolytes with anode materials . We first report a TiO 2 (B) anode for ARMIBs that has high compatibility with wide potential aqueous electrolytes (ESW: ∼3.66 V), thus resulting in a low magnesiated potential (∼0.95 V vs. Mg 2+ /Mg), highest capacity (50 mA g −1 : 247.7 mAh g −1 ) reported for Ti-based oxide anodes in aqueous metal-ion batteries thus far, and fast Mg 2+ diffusion kinetics (∼3.49 × 10 −11 cm 2 s −1 ). When the magnesiated TiO 2 (B) (Mg x TiO 2 (B)) anode is paired with V 2 O 5 , the Mg x TiO 2 (B)||V 2 O 5 full cell can deliver high voltage (2.5 V), high capacity (100 mA g −1 : 64.4 mAh g −1 , based on the total electrode mass) and high cycling stability with no capacity decay after 200 cycles at 100 mA g −1 . The versatile intercalation chemistry of TiO 2 (B) observed here is expected to spur the development of high-voltage ARMIBs.
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DESALINATION
·
2025
·
IF 9.8
Xiaosong Zhang,Jiajia An,Daquan Zhang
Fluoride contamination has become a global public health problem due to its adverse health effects. The search for efficient and environmentally friendly fluoride removal technology is an urgent issue. Capacitive deionization (CDI) technology has attracted much attention because of its high efficiency, easy operation and environmental friendliness. Electrode materials are crucial for CDI systems. Herein, Mg-MOF-derived dendritic carbon materials (MMCNF) are successfully grown in situ on lignin nanofibers via solvothermal synthesis. Due to the high specific surface area of Mg-MOF and the structural stability of lignin nanofibers, it has a high specific capacitance of 158 F·g −1 at a current density of 1 A·g −1 . And the capacitance retention of 93.13 % is obtained after 5000 charge/discharge cycles. The CDI unit equipped with MMCNF electrodes effectively reduced the fluoride ion concentration to 1.21 mg·L −1 in a 10 mg·L −1 simulated fluoridated wastewater, exhibiting a maximum adsorption capacity of 20.64 mg·g −1 . It is lower than the drinking water standard of 1.5 mg·L −1 set by the World Health Organization. This work offers new electrode materials and technological options for the removal of fluoride ions from wastewater in the future.
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CERAMICS INTERNATIONAL
·
2024
·
IF 5.1
Huan Li,Jie Wang,Shoutao Lv,Chuming Chen,Haocheng Luo,Qiong Wu,Qiangyuan Zhang,Hui Zheng,Liang Zheng
The controllable Curie temperature and high magnetic permeability of NiCuZn ferrites make them promising candidates for magnetic thermal medium. However, the temperature control of existing NiCuZn ferrite materials is not accurate enough to achieve the low Curie temperature required for tumor hyperthermia. In order to further achieve the desired Curie temperature and facilitate the advancement of temperature control materials for tumor hyperthermia, Cr–Mg co-doped NiCuZn ferrite was studied. The study investigated the influence of varying concentrations of Cr 3+ on the crystal structure and magnetic properties of Mg–NiCuZn ferrites. The results of structural characterization demonstrate that Cr–Mg co-doped NiCuZn ferrites exhibit high density and uniform distribution of elements. The introduction of Cr 3+ leads to a reduction in lattice parameters and a preference for octahedral B-sites. The hysteresis loop results show that the saturation magnetization first increases and then decreases with the increase of Cr 3+ concentration. Ni 0.09 Mg 0.20 Cu 0.14 Zn 0.60 Fe 1.89 Cr 0.050 O 3.94 ferrite at 0.30 wt% of Bi 2 O 3 exhibits optimal magnetic characteristics, including a saturation magnetization of ∼36.7 emu/g, low coercivity of ∼0.07 kA/m, high permeability of ∼982.43 @1 MHz, and an appropriate Curie temperature of 45.59 °C. Such permeability and Curie temperature can be used in the body cavity perfusion hyperthermia and deep thermal therapy.
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OPTICAL MATERIALS
·
2024
·
IF 3.8
Xiaoxuan Song,Jian Yang,Shuai Wang,Jia Song,Biying Bao,Hancheng Zhu,Duanting Yan,Changshan Xu,Yuxue Liu
Herein, ZMGGO:Cr 3+ nanoparticles were prepared by incorporating Mg 2+ ions into Cr 3+ -doped zinc gallogermenate nanoparticles through a hydrothermal path in combination with a vacuum heating. The average size of ZMGGO:Cr 3+ nanoparticles minishes from 59 to 12 nm with growing Mg 2+ concentration. Meanwhile their luminescence intensity at 696 nm of ZMGGO:Cr 3+ nanoparticles was only decreased by less than half of that of the undoped nanoparticles due to the decreased particle size after Mg doping. Meanwhile, the integral luminescence intensity of their entire emission band shows an increasing trend with increasing temperature due to the enhanced phonon sideband luminescence at high temperature. More important, it is found that the formation energies associated with Mg′ Ga -Ga o Zn and Zn′ Ga -Ga o Zn defects are −1.2 and 1.69 eV, respectively, suggesting the enhanced afterglow intensity of ZMGGO:Cr 3+ can be ascribed to Mg doping leading to the increased number of these anti-site traps. Finally, the dual-level time-gate optical encryption was demonstrated using phosphorescent inks containing ZMGGO:Cr 3+ nanoparticles with different afterglow intensities.
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Lipids in Health and Disease
·
2024
·Vol. 23
·期 1
·1-11
·
IF 3.9
Li Jinying,Chen Yongshao,Zha Dingsheng,Wu Chunhui,Li Xiaofen,Yang Li,Cao Hui,Cai Shexing,Cai Yuebo
The accumulation of reactive oxygen species (ROS) within the bone marrow microenvironment leads to diminished osteogenic differentiation and heightened lipogenic differentiation of mesenchymal stem cells residing in the bone marrow, ultimately playing a role in the development of osteoporosis (OP). Mitigating ROS levels is a promising approach to counteracting OP. In this study, a nanozyme composed of magnesium-based zeolitic imidazolate frameworks (Mg-ZIF) was engineered to effectively scavenge ROS and alleviate OP. The results of this study indicate that Mg-ZIF exhibits significant potential in scavenging ROS and effectively promoting osteogenic differentiation of bone mesenchymal stem cells (BMSCs). Additionally, Mg-ZIF was found to inhibit the differentiation of BMSCs into adipose cells. In vivo experiments further confirmed the ability of Mg-ZIF to mitigate OP by reducing ROS levels. Mechanistically, Mg-ZIF enhances the differentiation of BMSCs into osteoblasts by upregulating lipid metabolic pathways through ROS scavenging. The results indicate that Mg-ZIF has potential as an effective therapeutic approach for the treatment of osteoporosis.
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PubMed
高影响因子
DESALINATION
·
2025
·
IF 9.8
Shishuo Wang,Fei Guo,Xuemei Wu,Yuandong Jia,Gaohong He,Xiaobin Jiang
Lithium and its compounds are critical strategic resources with wide-ranging applications. This study developed a bipolar membrane precipitation coupled electrodialysis enrichment (BMp-EDe) process for extracting lithium from brines with an Mg/Li ratio of 20. The method is based on phase separation achieved through precipitation-coupled ion permeation and a synergistic mechanism for ion enrichment, resulting in significant process intensification. Key factors such as current density, molar ratio between diluate and base chambers, and base chamber concentration were optimized to control nucleation and prevent membrane fouling. Under conditions of current density ranging from 200 to 400 A·m −2 and a molar ratio of the diluate chamber to the base chamber between 13 and 16, the magnesium removal rate in the BMp-EDe process is found to exceed 99.90 %, with a separation factor greater than 20,000. The optimal separation factor is observed to reach 40,244, with a magnesium removal rate as 99.96 % and a lithium recovery rate as 95.32 %. With optimized operation conditions, the energy consumption of magnesium precipitation decreased from 11.89 kWh·kg −1 (Mg 2+ ) to 7.97 kWh·kg −1 (Mg 2+ ). Thus, an alternative method is presented that employs commercial bipolar membranes to achieve ultra-high magnesium‑lithium separation efficiency. Additionally, a mechanism for the continuous operation of the magnesium precipitation chamber is validated, which can effectively prevent membrane fouling.
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Chemosensors
·
2025
·Vol. 13
·期 1
·16
·
IF 3.7
Yuanxin Wan,Shixiang Ma,Peichao Zheng,Xiande Zhao,Zhen Xing,Leizi Jiao,Hongwu Tian,Daming Dong
Ca and Mg are key constituents in surface water that are essential nutrients and vital indicators of water hardness. Rapid on-site measurement of Ca and Mg concentrations in surface water is important. However, traditional laboratory detection methods are complex and time-consuming, and on-site detection is difficult. In this study, a portable surface water detection method was developed using laser-induced breakdown spectroscopy with a miniaturized spectrometer LIBS and a liquid jet device for sample introduction. The device enables the rapid online in situ measurement of elemental concentrations in the water. The limits of detection for the rapid on-site detection of Ca and Mg in surface water were 11.58 and 2.57 mg/L, respectively. We applied this method to assess the concentrations of Ca and Mg in authentic water samples collected from rivers and ponds. The recovery rates for Ca and Mg were 90.83–101.74% and 93.43–108.74%, respectively. This method is suitable for rapid, on-site, and highly sensitive monitoring of Ca and Mg concentrations in the environment.
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Environmental Technology & Innovation
·
2024
·
IF 6.7
Liangquan Lu,Jianhong Bi,Asfandyar Shahab,Hua Zhang,Saeed Rad,Zhenyu Wu
s This study investigates the influence of key factors on the structure of prepared MgFe-LDH and their application for the removal of methyl orange (MO). The optimal synthesis were determined through Scanning electron microscope (SEM), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), and partition coefficient (PC) analysis to study the morphology, crystallinity, and physicochemical properties of the resulting materials. Under the conditions of Mg 2+ /Fe 3+ =4, pH=11, and aging temperature of 80℃, well-structured Mg 4 Fe-LDH-11–80℃ was successfully synthesized with a theoretical maximum adsorption capacity of 1688.22 mg/g for MO. The adsorption process follows the Redlich-Peterson and Avrami models, displaying a exothermic characteristic. The outstanding adsorption capability is likely attributed to the synergistic effects of electrostatic attraction, hydrogen bonding, complexation reactions, and ion exchange mechanisms. Furthermore, cost analysis and recycling experiments indicate that the prepared LDH material is cost-effective and suitable for multiple reuse cycles, making it a promising candidate for treating wastewater containing MO dyes.
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APPLIED CATALYSIS B-ENVIRONMENTAL
·
2025
·
IF 21.1
Jianrong Shan,Bowen Yang,Yaqiong Su,Gunhean Chong,Luqman Chuah Abdullah,Xinhua Qi,Haixin Guo
Isomerization of glucose to fructose is a key step in achieving high value conversion of biomass. Lignin nanosphere (LN) showing hollow structure were successfully prepared using lignin oligomers as carbon precursors and self-assembly method. On this basis, Mg and Al were doped into lignin nanospheres by electrostatic and coordination interactions to obtain a heterogeneous catalyst (Mg x Al y /LN) with the coexistence of Brønsted base and Lewis acid. In this catalytic system, the synergistic effect of Al(OH) 3 and MgO as the active center of the catalyst promoted the formation of intermediates for the isomerization of glucose to fructose. DFT analysis show that Al(OH) 3 plays a greater role than MgO in promoting the isomerization of acyclic glucose to form fructose. When the Mg/Al ratio of 2:1, the yield of Mg 2 Al 1 /LN catalyzed isomerization of glucose to fructose under microwave irradiation can reach as high as 57.2 %, which could be reused for 5 times and still remain its initial activity. The activation energy was about 39.8 kJ/mol, which was lower than that of most heterogenous catalytic systems, showing good catalytic performance and potential for application.
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CERAMICS INTERNATIONAL
·
2025
·
IF 5.6
Xiu Li,Zhanheng Yan,Yanglin Shen,Wanjin Liu,Jun Ding
Oxides with the ABO 3 chemical formula play a crucial role in studying photostriction in inorganic materials. In this study, the photostrictive behavior of ilmenite-type ceramics ATiO 3 (where A = Mg, Fe, Co, Ni, and Mn) was investigated under visible light irradiation. Among the ceramics investigated, CoTiO 3 showed the highest photostriction of approximately 0.1 % under 405, 520, and 650 nm light irradiation. The photostrictive response decreased successively in FeTiO 3 , MnTiO 3 , NiTiO 3 , and MgTiO 3 . Temperature and thermal expansion tests revealed that the deformation of the ceramics caused by the photothermal effect accounted for approximately half of their photostriction. Raman and charge transfer analyses indicated that the photostriction of the ceramics depended significantly on their crystal structure. Thus, the ceramics exhibited distinct photostrictive performances. This study highlights the connection between the crystal structure and photostrictive performance of ilmenite-type ceramics, providing valuable insights into the underlying mechanism of photostriction in inorganic materials.
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ADVANCED FUNCTIONAL MATERIALS
·
2024
·Vol. 34
·期 17
·2314146
·
IF 18.5
Xueting Huang,Shuangshuang Tan,Jinlong Chen,Ziwei Que,Rongrui Deng,Juncai Long,Fangyu Xiong,Guangsheng Huang,Xiaoyuan Zhou,Lingjie Li,Jingfeng Wang,Liqiang Mai,Fusheng Pan
Mg(SO 3 CF 3 ) 2 (Mg(OTf) 2 ) is a simple and cost-effective magnesium salt, which can promote the future applications of rechargeable magnesium batteries (RMBs). However, the simple Mg(OTf) 2 /ether electrolytes suffer from poor electrochemical properties due to the low solubility of Mg(OTf) 2 and the serious decomposition passivation of the [Mg 2+ -OTf − ] ion pair on Mg. Herein, the OTf − anion is successfully grafted on low-cost fluoride boronic esters (B(OC x H y F 2x-y+1 ) 3 ) to obtain the asymmetric and weak-coordination boron-center [B(OC x H y F 2x-y+1 ) 3 OTf] − anion in ether electrolytes. The -OCH 2 CF 3 (TFE) groups in B(TFE) 3 effectively realize the charge delocalization of the OTf − and B-O plane, restraining the independent decomposition of the [Mg 2+ -OTf − ] ion pair. The co-decomposition of the asymmetric [B(TFE) 3 OTf] − induces the formation of the B-containing organic/inorganic interphase, thus achieving a reversible Mg plating/stripping. After the further solubilization reaction, the obtained electrolyte exhibits a high average coulombic efficiency of 98.13% and long-term cycling stability (1000 h). Notably, the long cycling life (capacity retention of 90.2% after 600 cycles at 1 C) and high-rate capacity (43.0 mAh g −1 at 5 C) of the Mg/Mo 6 S 8 full cell demonstrate a favorable electrolyte/cathode compatibility. This work brings new insights to design the new-type and low-cost Mg-salts and high-performance electrolytes for commercial RMBs.
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危险品化学品经营许可证（带存储）