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An Efficient Boron Source Activation Strategy for the Low‑Temperature Synthesis of Boron Nitride Nanotubes

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Nano-Micro Letters 2025年第1期17卷 548-558页

作者： ying Wang Kai zhang Liping Ding Liyun Wu Songfeng E Qian He Nanyang Wang Hui Zuo zhengyang zhou feng Ding Yue Hu Jin zhang Yagang Yao National Laboratory of Solid State Microstructures College of Engineering and Applied SciencesJiangsu Key Laboratory of Artificial Functional Materialsand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210093People’s Republic of China School of Electronic Information and Artificial Intelligence Shaanxi University of Science&TechnologyXian 710000People’s Republic of China College of Bioresources Chemical and Materials Engineering Shaanxi University of Science&TechnologyXian 710000People’s Republic of China Key Laboratory of Carbon Materials of zhejiang Province College of Chemistry and Materials EngineeringWenzhou UniversityWenzhou 325000People’s Republic of China Shenzhen Institutes of Advanced Technology Chinese Academy of SciencesShenzhen 518000People’s Republic of China College of Chemical and Molecular Engineering Peking UniversityBeijing 100871People’s Republic of China

Lowering the synthesis temperature of boron nitride nanotubes(BNNTs)is crucial for their *** primary reason for adopting a high temperature is to enable the effective activation of highmelting-point solid *** this study,we developed a novel approach for efficiently activating boron by introducing alkali metal compounds into the conventional MgO–B *** approach can be adopted to form various low-melting-point AM–Mg–B–O growth *** growth systems have improved catalytic capability and reactivity even under low-temperature conditions,facilitating the synthesis of BNNTs at temperatures as low as 850℃.In addition,molecular dynamics simulations based on density functional theory theoretically demonstrate that the systems maintain a liquid state at low temperatures and interact with N atoms to form BN *** findings offer novel insights into the design of boron activation and are expected to facilitate research on the low-temperature synthesis of BNNTs.

关键词： Boron nitride nanotubes Low-temperature Boron activation Density functional theory

Aequorin-Based Luminescence Imaging Reveals Stimulus-and Tissue-Specific Ca^2＋ Dynamics in Arabidonsis Plants

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Molecular Plant 2013年第2期6卷 444-455页

作者： xiaohong zh.ying feng Gaimei Liang Na Liu Jian-Kang zhua Department of Horticulture and Landscape Architecture Purdue University West Lafayette IN 47907 USA Shanghai Center for Plant Stress Biology and Shanghai Institute of Plant Physiology and Ecology Shanghai Institutes of Biological Sciences ChineseAcademy of Sciences Shanghai 200032 China

Calcium ion is a versatile second messenger for diverse cell signaling in response to developmental and environmental cues. The specificity of Ca^2＋-mediated signaling is defined by stimulus-elicited Ca^2＋ signature and down-stream decoding processes. Here, an Aequorin-based luminescence recording system was developed for monitoring Ca^2＋ in response to various stimuli in Arabidopsis. With the simple, highly sensitive, and robust Ca^2＋ recording, this system revealed stimulus-and tissue-specific Ca^2＋ signatures in seedlings. Cellular Ca^2＋ dynamics and relationship to Aequorin-based Ca^2＋ recording were explored using a GFP-based Ca^2＋ indicator, which suggested that a synchronous cellular Ca^2＋ signal is responsible for cold-induced Ca^2＋ response in seedlings, whereas asynchronous Ca^2＋ oscillation contributes to osmotic stress-induced Ca^2＋ increase in seedlings. The optimized recording system would be a powerful tool for the iden-tification and characterization of novel components in Ca^2＋ -mediated stress-signaling pathways,

关键词： Aequorin Case12 abiotic stress calcium Arabidopsis.

Unraveling the mechanism of action of Shangxia Liangji formula for treating insomnia:a metabolomics and network pharmacology approach

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Traditional Medicine Research 2025年第2期10卷 16-29页

作者： Xia-Jie Quan Hao Liang Yong-Hong Tang Li Jiang Xiong-ying Ji feng-ying zhang Ping zhang Bo Ouyang Department of Information The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China Department of Neurology The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China Department of Gastroscopy The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China Department of Traditional Chinese Medicine The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China

Background:Insomnia is a prevalent clinical condition and Shangxia Liangji formula(SXLJF)is a well-established method of ***,the specific mechanism of action of SXLJF remains ***:The mouse model of insomnia was established by intraperitoneal injection of ***-two mice were randomly divided into a negative control group,model group,SXLJF group(18.72 g/kg/day),and positive control group(diazepam,2 mg/kg)and treated with the corresponding drugs for 7 consecutive *** open field test and pentobarbital-induced sleeping test were ***-MS-based untargeted metabolomics and network pharmacology were applied to explore the potential targets of SXLJF for treating ***,key targets were validated using ***:Behavioral tests demonstrated that SXLJF reduced the total distance,average velocity,central distance,and sleep latency,and prolonged sleep *** and network pharmacology revealed potential targets,signaling pathways,metabolic pathways,and metabolites associated with the anti-insomnia effects of ***,tyrosine hydroxylase(TH)and tyrosine metabolism emerged as crucial metabolic pathways and targets,***-qPCR results supported the role of TH in the mechanism of SXLJF in treating ***:In conclusion,TH and tyrosine metabolism may represent significant targets and pathways for SXLJF in treating insomnia.

关键词： Shangxia Liangji formula insomnia metabolomics network pharmacology tyrosine hydroxylase tyrosine metabolism

Rational tuning of thorium-organic frameworks by reticular chemistry for boosting radionuclide sequestration

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Nano Research 2022年第2期15卷 1472-1478页

作者： Han feng xiaohong Xiong Lele Gong Huiping zhang ying Xu Xuefeng feng feng Luo School of Chemistry Biology and Materials ScienceEast China University of TechnologyNanchang 330013China

The reticular chemistry strategy presents a powerful molecule-design tool to tailor the physical and chemical properties of metal-organic framework(MOF).In this work,we for the first time investigated the effect of organic ligands on the radionuclide sequestration(TcO_(4)^(-))of thorium-organic *** a coordination modulation technique,two novel isoreticular thorium-organic frameworks,namely Th-MOF-67 and Th-MOF-68,were *** to the antetype MOF of Th-MOF-66 that shows extremely low uptake of ReO_(4)^(-)(a chemical surrogate of radioactive TcO_(4)^(-)),the isoreticular MOFs of Th-MOF-67 and Th-MOF-68 enable ultrahigh uptake of ReO_(4)^(-),giving an impressively 36.8-fold or 56-fold enhancement,*** adsorption capacity of Th-MOF-68 is as high as 560 mg/g,exceeding most reported adsorbents for such *** mechanism for such exceptional outstanding performance,as unveiled by both the single crystal X-ray diffraction and theoretical calculation,is due to coordination interaction for Th-MOF-67,when a tetrazolate ligand was used,or a combined effect from both coordination interaction and anion-exchange for Th-MOF-68,if using a triazolate ligand.

关键词： thorium-organic framework ligand effect defect site anion exchange radionuclide sequestration

Metastable seed-crystals: epitaxial growth of branched-array organic heterostructure nanowires

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Science China Chemistry 2025年

作者： Jin feng zhen-Yu Geng Ting-Yao Song ying-Xin Ma Chuan-Zeng Wang Wei zhang Hong-Tao Lin Jin zhou Shu-Ping zhuo Shu-Hai Chen Xue-Dong Wang School of Chemistry and Chemical Engineering Shandong University of Technology Institute of Functional Nano & Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials & DevicesSoochow University College of Chemistry and Chemical Engineering Hunan Normal University

Tunable light–matter interactions are exhibited by organic low-dimensional crystals, making these crystals a promising platform for organic photonics. However, the precise synthesis of organic low-dimensional crystals remains challenging due to the stochastic nature of molecular nucleation processes. Herein, the directed nucleation process is driven by the introduction of metastable seed-crystals as the trunk, which ultimately leads to branched-array organic heterostructures. The successful formation of organic heterostructures with high-density branched arrays is attributed to the highest attachment energy (Eatt（023）=-104.25 kcal mol-1) of the exposed （023） crystal plane during the seed-crystal growth route. Significantly, these as-prepared heterostructures inherently have an ultralow lattice mismatch ratio η of 0.7%between trunk and branch, which contributes to the multi-channel photon transportation. Therefore, this work provides valuable insights into a versatile synthetic strategy for accessing low-dimensional heterostructures for integrated optoelectronics.

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序题创新与“因文立体”:论明代文学总集《文章辨体汇选》的辨体批评观

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南都学坛 2025年第1期45卷 44-54页

作者：肖锋杜莹中国传媒大学人文学院北京100024

“辨体”是贯穿贺复征《文章辨体汇选》的主要批评方法。他采取“省略”“改写”“补充”等方式,对“序题”进行经典化构建,形成新的序题模式。在选文编次上,不拘泥于辨析文体的体裁、形式等外在要素,而依次遵循“体—时—人”的层级结... 详细信息

“辨体”是贯穿贺复征《文章辨体汇选》的主要批评方法。他采取“省略”“改写”“补充”等方式,对“序题”进行经典化构建,形成新的序题模式。在选文编次上,不拘泥于辨析文体的体裁、形式等外在要素,而依次遵循“体—时—人”的层级结构,既继承“原释选敷”的辨体法,又独创了“四部整合”“选己入集”“裁篇摘句”的辨体法,这充分体现了其对“因文立体”的灵活使用。其“尊体”观集中表现在对“文章以体制为先”的继承与发扬上,其“破体”观则以变体为常态,以别体为创体,因此深化并完善了辨体批评的实践路径和目标,具有辨文体价值、析文体风格变化、见文体演变轨迹、示文体写作范例的重要意蕴,使《文章辨体汇选》成为明代具有集大成意义的文体总集。

关键词：序题 “因文立体” 贺复征《文章辨体汇选》辨体批评观

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Ru(III) catalyzed permanganate oxidation of aniline at environmentally relevant pH

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Journal of Environmental Sciences 2014年第7期26卷 1395-1402页

作者： Jing zhang ying zhang Hui Wang xiaohong Guan State Key Lab of Urban Water Resource and Environment Harbin Institute of Technology Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes Ministry of Education College of Environment Hohai University CSCEC AECOM Consultants Co. Ltd. Waters Co. State Key Laboratory of Pollution Control and Resources Reuse College of Environmental Science and Engineering Tongji University

Ru（Ⅲ） was employed as catalyst for aniline oxidation by permanganate at environmentally relevant pH for the first time. Ru（Ⅲ） could significantly improve the oxidation rate of aniline by 5-24 times with its concentration increasing from 2.5 to 15 μmol/L. The reaction of Ru（Ⅲ） catalyzed permanganate oxidation of aniline was first-order with respect to aniline, permanganate and Ru（Ⅲ）, respectively. Thus the oxidation kinetics can be described by a third-order rate law. Aniline degradation by Ru（Ⅲ） catalyzed permanganate oxidation was markedly influenced by pH, and the second-order rate constant （ktapp） decreased from 643.20 to 2.67 （mol/L）^-1 sec^-1 with increasing pH from 4.0 to 9.0, which was possibly due to the decrease of permanganate oxidation potential with increasing pH. In both the uncatalytic and catalytic permanganate oxidation, six byproducts of aniline were identified in UPLC-MS/MS analysis. Ru（Ⅲ）, as an electron shuttle, was oxidized by permanganate to Ru（Ⅵ） and Ru（Ⅶ）, which acted the co-oxidants for decomposition of aniline. Although Ru（Ⅲ） could catalyze permanganate oxidation of aniline effectively, dosing homogeneous Ru（Ⅲ） into water would lead to a second pollution. Therefore, efforts would be made to investigate the catalytic performance of supported Ru（Ⅲ） toward permanganate oxidation in our future study.

关键词： RutheniumCatalysisAnilineByproductElectron shuttle

Optimization based scheduling for a class of production systems with integral constraints

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Science China(Technological Sciences) 2009年第12期52卷 3533-3544页

作者： GUAN xiaohong zhAI Qiaozhu feng YongHan GAO feng Systems Engineering Institute MOE KLINNS Lab and SKLMS LabXi’an Jiaotong UniversityXi’an 710049China Center for Intelligent and Networked Systems TNLIST LabTsinghua UniversityBeijing 100084China School of Science Xi’an Jiaotong UniversityXi’an 710049China

Operation scheduling for a class of production systems with"instantly consumed"products is very *** is challenging to satisfy the real time system demand and to consider the realizability of the production *** paper formulates a new model for optimization based production scheduling problems with integral *** on the detailed analysis of the production rate constraints,it is proved that this type of optimization problems is equivalent to a smooth nonlinear programming *** reachable upper and lower bounds of the production amount in every period can be expressed as functions of two variables,i.e.,the production rate at the start and end of that *** is also proved that the gradients of these functions are monotonic,and their convexity or concavity is *** the production cost function is convex,this type of optimization problems is equivalent to a convex programming *** the above analysis,a two-stage solution method is developed to solve the production scheduling problems with integral constraints,and in many applications the global optimal solution can be obtained *** the new model and solution method,the difficulties caused by the constraints on production rate can be overcome and the optimal schedule can be obtained with the real time system demand *** testing for scheduling of electric power production systems is performed and the testing results are *** is demonstrated that the new model and solution method are effective.

关键词： production scheduling integral constraints optimal control convex programming

ZnFe2O4 deposited on BiOCl with exposed （001） and （010） facets for photocatalytic reduction of C02 in cyclohexanol

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Frontiers of Chemical Science and Engineering 2017年第2期11卷 197-204页

作者： Guixian Song Xionggang Wu feng Xin xiaohong Yin School of Chemical Engineering and Technology Tianjin University Tianjin 300072 China School of chemical engineering and textile Shaanxi Polytechnic Institue Xianyang 712000 China Xi'an Modem Chemistry Research Institute Xi'an 710065 China School of Chemistry and Chemical Engineering Tianjin University of Technology Tianjin 300384 China

ZnFe2O4-BiOC1 composites were prepared by both hydrothermal and direct precipitation processes and the structures and properties of the samples were characterized by various instrumental techniques. The samples were then used as catalysts for the photocatalytic reduction of CQ in cyclohexanol under ultraviolet irradiation to give cyclohexanone （CH） and cyclohexyl formate （CF）. The photocatalytic CO2 reduction activities over the hydrothermally prepared ZnFeaO4-BiOCl composites were higher than those over the directly-precipitated composites. This is because compared to the direct-precipitation sample, the ZnFe2O4 nanoparticles in the hydrothermal sample were smaller and more uniformly distributed on the surface of BiOCl and so more heterojunctions were formed. Higher CF and CH yields were obtained for the pure BiOCl and BiOCl composite samples with more exposed （001） facets than for the samples with more exposed （010） facets. This is due to the higher density of oxygen atoms in the exposed （001） facets, which creates more oxygen vacancies, and thereby improves the separation efficiency of the electron-hole pairs. More importantly, irradiation of the （001） facets with ultraviolet light produces photo-generated electrons which is helpful for the reduction of CO2 to -CO2^-. The mechanism for the photocatalytic reduction of CO2 in cyclohexanol over ZnFe204-BiOCl composites with exposed （001） facets involves electron transfer and carbon radical formation.

关键词： reduction of CO2 cyclohexanol ZnFe2O4 deposited BiOCl facet composite photocatalyst