TALANTA
·
2024
·
IF 5.6
Qiulan Li,Jitao Li,Yang Jiao,Xiaolan Yang,Dezhi Yang,Zitao Zhong,Yaling Yang
The pathogenic bacteria induced foodborne disease has been detrimental to public health worldwide. Herein, the peroxidase (POD)-like Fe 3 O 4 /MWCNTs@Mo-CDs (FMMC) nanozyme was applied for the detection of Escherichia coli ( E. coli ). The E. coli aptamer was conjugated with the surface of the FMMC, which effectively enhanced the POD-like activity attributing to the higher affinity to the substrate, and then specific capture of E. coli in food matrices, leading to the reduction of POD-like activity. Therefore, a robust and facile colorimetric aptasensor was developed for detecting E. coli with a wide linear range of 10 1 –10 6 CFU/mL, low LOQ of 10 1 CFU/mL and LOD of 0.978 CFU/mL. The aptasensor demonstrated the satisfied selectivity for E. coli compared to the other strains. This method possessed the potential application for fast in situ screening of foodborne pathogens in food products.
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DOI
PubMed
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2024
·
IF 4.9
Zehui Liu,Jinzhao Huang,Feng Jiao,Ke Zhang,Guixin Zhao,Xiaolong Deng
Electrochemical water splitting is considered to be an environmentally friendly and efficient method of hydrogen production. NiFe LDH is a well-known electrocatalyst for oxygen evolution, yet its effectiveness in HER has been suboptimal. In this research, we created a Mo-NiFe LDH@NiS catalyst on carbon cloth via cation doping and heterointerface construction of NiFe LDH. The resulting Mo-NiFe LDH@NiS/CC showed remarkable HER activity. Furthermore, when used as a bifunctional electrode for overall water splitting, Mo-NiFe LDH@NiS/CC operated at a cell voltage of 1.58 V at a current density of 10 mA/cm² and exhibited outstanding durability. This study emphasizes the significant enhancement in HER and overall water-splitting efficiency of NiFe LDH achieved through Mo doping and heterostructure engineering, advancing its potential for effective water splitting applications.
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DOI
高影响因子
Journal of Environmental Chemical Engineering
·
2025
·Vol. 13
·期 6
·120316
·
IF 7.2
Jiahe Sun,Wenyue Hou,Ziyi Ma,Guojun Yin,Hongying Lü,Zhiguo Zhu
Creating highly active Mo-incorporated zeolites for catalytic applications remains a significant challenge in materials synthesis. Traditional hydrothermal methods often struggle to balance rapid crystallization with effective Mo incorporation and control over the resulting material's porosity. This work introduces a novel synthetic strategy based on rapid structural reconstruction to produce high-performance Mo-Beta zeolites. Full crystallinity is achieved in just 3 h at 140 °C, a significant improvement over the conventional approaches. The resulting Mo-Beta materials feature a hierarchical micro- and mesoporous architecture and a tunable Si/Mo ratio (53–202), allowing for optimized catalytic performance. These zeolites demonstrate exceptional activity in the oxidative desulfurization of dibenzothiophene, accomplishing a remarkable mass-specific activity (1.50 h –1 ) and turnover frequency (20.8 h –1 ) under the optimized reaction conditions (10 mL model oil; DBT concentration of 500 μg mL –1 ; H 2 O 2 /DBT = 3; 45 mg catalyst; 60 °C). These metrics significantly exceed those reported for many other heteroatom-containing zeolite catalysts. Moreover, the synthesized Mo-Beta catalyst exhibits excellent stability at the reaction time of 1 h. However, slight activity loss is observed at a short reaction time of 0.25 h after five reaction runs and the catalytic activity can be regenerated by calcination. This rapid structural reconstruction method offers a promising new route for the efficient synthesis of advanced Mo-zeolites and highlights their potential for sustainable catalytic applications.
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DOI
高影响因子
ELECTROCHIMICA ACTA
·
2022
·
IF 7.336
Sheng Liang,Ranlin Dong,Shaohua Lu,Lei Hu,Lingli Liu,Qiang Dong,Chonghai Deng,Guangchao Qin,Mao Xu,Chu Liang
Lithium sulfide (Li 2 S) is considered as a promising alternative for the intercalation–type cathode materials because of its high theoretical specific capacity (1166 mAh g –1 ). However, the large–scale application of Li 2 S is limited by its intrinsic low electronic/ionic conductivity and severe shuttle effect of polysulfides. Herein, we report a facile and green method to the in–situ synthesis of Li 2 S–molybdenum (Mo) nanocomposites at room temperature by mechanochemical reaction of lithium hydride with molybdenum sulfide. The fig–like carbon coated Li 2 S–Mo (Li 2 S–Mo@C) nanocomposite with core–shell structure exhibits a low initial activation barrier of 2.51 V, high reversible capacity of 742 mAh g − 1 after 70 cycles at 0.2 A g − 1 and excellent cycling stability over 500 cycles at 1.0 A g − 1 . According to density functional theory calculation and experimental studies, the excellent electrochemical performance of fig–like Li 2 S–Mo@C nanocomposite can be attributed to the increased electronic/ionic conductivity, strong adsorption ability and catalytic conversion of lithium polysulfides, resulting from the synergistic effects of Mo nanodots and, carbon shell and their nanostructure. This work provides a new idea for developing large–scale applications of Li 2 S–based electrodes.
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DOI
高影响因子
CHEMICAL PHYSICS LETTERS
·
2020
·
IF 2.029
Kaidan Wu,Yefeng Feng,Jun Huang,Chen Bai,Miao He
The Mo-doped 3D carbon@Sn composite was developed by using freeze-drying method with the structure of 3D interconnected carbon network. In this unique architecture, 3D interconnected carbon matrix wrapped the Mo and Sn nanoparticles. The 3D carbon matrix can not only accommodate the volume change in cycling, but also enhance the electronic conductivity. Therefore, the excellent electrochemical property of the Mo-doped 3D carbon@Sn with remarkable specific capacity, high rate and long-life cycling can be obtained.
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DOI
高影响因子
TRIBOLOGY INTERNATIONAL
·
2024
·
IF 6.1
Lulu Tian,Yuanping Huang,Chaoran Li,Shuang Chen,Jiayu Peng,Liyong Niu,Zhijun Zhang
Complex operating conditions pose greater challenges for lubricants, making the development of multi-functional additives a trend. This research introduces a multifunctional Cu-Mo-S nanoparticle (CMS) additive, synthesized using a unique one-pot in situ method. The CMS significantly improved the tribological performance and oxidation stability of base oils. Specifically, 0.5 wt% CMS manifested a remarkable reduction in the friction coefficient and wear volume of ester-based oils by 74.75% and 95.91%, accompanied by a noteworthy increase in the extreme pressure capabilities exceeding 50%, outperforming the individual copper nanoparticles, organic molybdenum, and their mixtures. The remarkable results are attributed to the distinctive structure of CMS, which decomposed during the friction process, forming a continuous friction film containing copper, molybdenum, and iron compounds.
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DOI
高影响因子
RARE METALS
·
2025
·
IF 11
Shen Jin-Feng,Huang Shu-Le,Qin Mo-Ran,Xuan Xin-Miao,Su Shao-Qiang,Zhang Xiao-Ming,Xu Xin-Xing,Hou Zhi-Peng,Zhang Zhang,Liu Jun-Ming
Water purification systems based on transition metal dichalcogenides face significant challenges, including lack of reactivity under dark conditions, scarcity of catalytically active sites, and rapid recombination of photo-generated charge carriers. Simultaneously increasing the number of active sites and improving charge separation efficiency has proven difficult. In this study, we present a novel approach combining molybdenum (Mo) monoatomic doping and size engineering to produce a series of Mo-ReS 2 quantum dots (MR QDs) with controllable dimensions. High-resolution structural characterization, first-principle calculations, and piezo force microscopy reveal that Mo monoatomic doping enhances the lattice asymmetry, thereby improving the piezoelectric properties. The resulting piezoelectric polarization and the generated built-in electric field significantly improve charge separation efficiency, leading to optimized photocatalytic performance. Additionally, the doping strategy increases the number of active sites and improves the adsorption of intermediate radicals, substantially boosting photo-sterilization efficiency. Our results demonstrate the elimination of 99.95% of Escherichia coli and 100.00% of Staphylococcus aureus within 30 min. Furthermore, we developed a self-purification system simulating water drainage, utilizing low-frequency water streams to trigger the piezoelectric behavior of MR QDs, achieving piezoelectric synergistic photodegradation. This innovative approach provides a more environmentally friendly and economical method for water self-purification, paving the way for advanced water treatment technologies. Graphical
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DOI
高影响因子
Molecular Catalysis
·
2025
·
IF 4.9
Xirui Yan,Haixia Liang,Ruicong Wang,Da Li,Jun Li,Wencai Peng,Jinli Zhang
CO 2 reforming with methane (DRM) is a potential effective carbon neutralization strategy to convert greenhouse gases into syngas. The key to the DRM process is to design active and coking resistant catalysts. Herein, hollow hierarchical bimetallic NiMo-HMgO catalysts were prepared via hydrothermal-impregnation method. The prepared NiMo-HMgO catalysts exhibited higher catalytic performance during the DRM process than commercial NiMo-CMgO catalysts, due to the formation of Ni-Mo-MgO composite on hierarchical MgO (HMgO), which is promoted by exposed (111) polar surface of HMgO with alternate arrangement of anion and cation layers. The deposited carbon and stability can be effectively regulated by adjusting the amount of Ni and the molar ratio of Mo/(Ni+Mo). The synergistic effect of metal and HMgO can provide reference for the research in other related fields.
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DOI
高影响因子
ACS Catalysis
·
2022
·
IF 13.7
Xiangze Du,Xiaomei Lei,Linyuan Zhou,Yong Peng,Yan Zeng,Huiru Yang,Dan Li,Changwei Hu,Hermenegildo Garcia
In the context of the preparation of liquid fuels derived from biomass with zero CO2 footprint, fatty acids appear as suitable feedstocks. However, reduction of carboxylic acid groups usually requires harsh reaction conditions and the development of efficient solid catalysts. Herein, bimetallic Ni–Mo nitrides have been obtained by a procedure not involving nitridation of the corresponding oxide, but reductive decomposition of the tris(ethylenediamine)nickel molybdate at temperatures between 550 and 700 °C. Successful formation of the Ni3Mo3N nitride is confirmed by X-ray diffraction. Ni3Mo3N samples are found to be efficient catalysts for the hydrodeoxygenation of palmitic acid to C15/C16 alkanes with a combined selectivity over 90 and 100% palmitic acid conversion and higher activity than analogous Ni–Mo nitrides obtained by NH3 nitridation of NiMoO4. Ni3Mo3N is found recyclable with only a slight decay in the catalytic activity upon consecutive reuses attributable to the neutralization of acid sites. The present results show an opportunity that bimetallic nitrides offer as robust advanced solid catalysts for reactions of biomass conversion requiring harsh conditions.
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DOI
高影响因子
APPLIED CATALYSIS A-GENERAL
·
2015
·
IF 3.942
Li Yue,Guangci Li,Feng Zhang,Lei Chen,Xuebing Li,Xiang Huang
A series of CoMoO 4 hydrates composed of nanorods have been synthesized with different alcohol–water solvent systems, and the corresponding Co–Mo sulfides are obtained after sequential calcination and sulfurization. The characterization results show the change in solvent system can efficiently adjust the particle size of the Co–Mo precursors, while cannot affect their components and morphologies. Because of the different particle size, the specific surface areas (SSA) of the final Co–Mo sulfides are different. The particles with small size can lead to a high SSA that benefits the exposure and dispersion of active components, and further promote the incorporation of MoS 2 slabs with Co atoms to form “Co–Mo–S” structures on the surface of the sulfides. More “Co–Mo–S” structures would create more coordinative unsaturated sites with high activity in situ during hydrodesulfurization (HDS) reaction, resulting in a higher HDS activity. Among the Co–Mo sulfides, since S-m/w derived from methanol–water system possesses the smallest particle size and the most active sites, it naturally exhibits the highest HDS activity toward dibenzothiophene.
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DOI
高影响因子
POLYMER SCIENCE SERIES B
·
2016
·Vol. 58
·期 5
·495-502
·
IF 0.737
Geng Jieting,Sun Yanjie,Hua Jing
Polyisoprene with relatively high content of 1,2/3,4 structure was synthesized using a novel catalyst system composed of MoO 2 Cl 2 supported by phosphorus ligand and Al(OPhCH 3 )( i -Bu) 2 as co-catalyst. The effects of phosphites, phosphates and phosphoric acid as ligands were investigated in the coordination polymerization of isoprene in the chosen catalyst system. The studied ligands significantly affected the catalytic activity of the Mo–Al catalytic active center without significant effect on the stereoselectivity. Mo(VI)-based catalyst system was proved to be highly effective in the polymerization of isoprene even at low [Al]/[Mo] ratio (10), affording polyisoprene with 1,2- and 3,4-% structural units in the range of 44.6–52.5%, high molecular weights M
n ~ 10 5 , and relatively broad molecular weight distributions ( M
w / M
n = 3.0–4.4). The effect of molar ratio of phosphorous ligand to Mo-catalyst on catalyst activity of isoprene polymerization was discussed, and the structures of Mo–phosphite complexes were preliminarily studied by IR.
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DOI
高影响因子
Inorganics
·
2025
·Vol. 13
·期 6
·199
·
IF 3
Jingwei Wang,Xuejun Zheng,Long Xie,Zhenhua Xiang,Wenyuan He
It is found that Mo doping can enhance the supercapacitor performance of VS2microflowers. The X-ray diffraction combined with energy dispersive X-ray, X-ray photoelectron spectroscopy, and Raman spectra results verify the successful doping of Mo atoms into the VS2matrix. As the electrode material of supercapacitors, the Mo-doped VS2performs better electrochemical performance than pristine VS2, achieving the specific capacitance of 170 F g−1at 0.5 A g−1and 389.5 F g−1at 5 mV s−1. Furthermore, the symmetric supercapacitor based on the Mo-doped VS2exhibits good stability and ideal rate capability. The enhanced capability is presumably ascribed to the more accessible active sites and faster electrons/ions diffusion kinetics, which are caused by the increased specific surface area, expanded interlayer spacing, and improved conductivity after Mo doping. This strategy can also be extended to strengthen the capacitive properties of other transition metal dichalcogenides for advanced energy storage devices.
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高影响因子
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