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Research advances of light-driven hydrogen evolution using polyoxometalate-based catalysts

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Chinese Journal of Catalysis 2021年第6期42卷 855-871页

作者： Mo Zhang huijie li Junhao Zhang Hongjin Lv Guo-Yu Yang MOE Key Laboratory of Cluster Science School of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 102488China

With the increasing concerns to energy shortage and environmental problems in modern society,the development of cheap,clean,and sustainable energy alternatives has been attracting tremendous attention *** various strategies of renewable energy exploration,solar-driven water splitting into its compositional elements H2 and O2 is an ideal approach to convert and store renewable solar energy into chemical *** recent few decades,as an emerging new type of catalysts,polyoxometalates(POMs)have been widely utilized for water splitting due to their versatile synthetic methodology and highly tunable physicochemical and photochemical *** critical review addresses the research advances of light-driven hydrogen evolution using polyoxometalate-based catalysts,including plenary POMs,transition-metal-substituted POMs,POM@MOF composites,and POM-semiconductor hybrids,under UV,near UV and visible light *** addition,the catalytic mechanism for each reaction system has been thoroughly discussed and ***,a comprehensive outlook of this research area is also prospected.

关键词： Polyoxometalates light-driven hydrogen evolution POM@MOF composites POM-semiconductor hybrids Catalytic mechanism

Biodegradation of indole by a newly isolated Cupriavidus sp. SHE

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Journal of Environmental Sciences 2015年第8期27卷 126-132页

作者： Yuanyuan Qu E.Shen Qiao Ma Zhaojing Zhang Ziyan liu Wenli Shen Jingwei Wang Duanxing li huijie li Jiti Zhou Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education) School of Environmental Science and TechnologyDalian University of Technology

Indole, a typical nitrogen heterocyclic aromatic pollutant, is extensively spread in industrial wastewater. Microbial degradation has been proven to be a feasible approach to remove indole, whereas the microbial resources are fairly limited. A bacterial strain designated as SHE was isolated and found to be an efficient indole degrader. It was identified as Cupriavidus sp. according to 16 SrRNA gene analysis. Strain SHE could utilize indole as the sole carbon source and almost completely degrade 100 mg/L of indole within 24 hr. It still harbored relatively high indole degradation capacity within p H 4–9 and temperature 25°C–35°C. Experiments also showed that some heavy metals such as Mn2＋, Pb2＋and Co2＋did not pose severe inhibition on indole degradation. Based on high performance liquid chromatography–mass spectrum analysis, isatin was identified as a minor intermediate during the process of indole biodegradation. A major yellow product with m/z 265.0605（C15H8N2O3） was generated and accumulated, suggesting a novel indole conversion pathway existed. Genome analysis of strain SHE indicated that there existed a rich set of oxidoreductases, which might be the key reason for the efficient degradation of indole. The robust degradation ability of strain SHE makes it a promising candidate for the treatment of indole containing wastewater.

关键词： Indole Biodegradation Cupriavidus sp. Metabolic pathway

RTO装置在低温甲醇洗尾气VOCs治理中的工业应用

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煤化工 2024年第1期52卷 20-22页

作者：张晋刘岗邬坤李晓华郭林魏曼李会杰山西亚乐士环保技术股份有限公司山西太原030000 晋控金石化工集团有限公司石家庄循环化工园区分公司河北石家庄050000

煤化工领域低温甲醇洗排放尾气的VOCs治理近年来得到了广泛关注。介绍了五室RTO工艺的原理、流程及在晋控金石化工公司低温甲醇洗尾气VOCs治理中的应用。装置运行情况表明:RTO装置可满足低温甲醇洗尾气VOCs治理的各项技术和环保要求,排... 详细信息

煤化工领域低温甲醇洗排放尾气的VOCs治理近年来得到了广泛关注。介绍了五室RTO工艺的原理、流程及在晋控金石化工公司低温甲醇洗尾气VOCs治理中的应用。装置运行情况表明:RTO装置可满足低温甲醇洗尾气VOCs治理的各项技术和环保要求,排放烟气满足相关标准;装置废气年处理量可达4.8×10^(4)万m^(3),排放烟气中的非甲烷总烃质量浓度降至10 mg/m^(3)~30 mg/m^(3);在处理废气中VOCs的同时可副产低压蒸汽,产生一定的经济效益。

关键词：低温甲醇洗 CO_(2)尾气 VOCs治理五室RTO装置

Sialyltransferase ST3GAL6 silencing reduces α2,3-sialylated glycans to regulate autophagy by decreasing HSPB8-BAG3 in the brain with hepatic encephalopathy

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2024年第6期25卷 485-498页

作者： Xiaocheng li Yaqing XIAO Pengfei li Yayun ZHU Yonghong GUO huijie BIAN Zheng li Laboratory for Functional Glycomics College of Life SciencesNorthwest UniversityXi’an 710069China National Translational Science Center for Molecular Medicine Department of Cell BiologyFourth Military Medical UniversityXi’an 710032China Medical Experiment Center Shaanxi University of Chinese MedicineXianyang 712046China The Infectious Disease Department Gongli HospitalPudong New AreaShanghai 200135China

End-stage liver diseases,such as cirrhosis and liver cancer caused by hepatitis B,are often combined with hepatic encephalopathy(HE);ammonia poisoning is posited as one of its main pathogenesis *** is closely related to autophagy,but the molecular mechanism of ammonia’s regulatory effect on autophagy in HE remains *** is an essential form of *** the nervous system,abnormal sialylation affects various physiological processes,such as neural development and synapse ***3 β-galactoside α2,3-sialyltransferase 6(ST3GAL6)is one of the significant glycosyltransferases responsible for addingα2,3-linked sialic acid to substrates and generating glycan *** found that the expression of ST3GAL6 was upregulated in the brains of mice with HE and in astrocytes after ammonia induction,and the expression levels of α2,3-sialylated glycans and autophagy-related proteins microtubule-associated protein light chain 3(LC3)and Beclin-1 were upregulated in ammonia-induced *** findings suggest that ST3GAL6 is related to autophagy in ***,we aimed to determine the regulatory relationship between ST3GAL6 and *** found that silencing ST3GAL6 and blocking or degrading α2,3-sialylated glycans by way of Maackia amurensis lectin-II(MAL-II)and neuraminidase can inhibit *** addition,silencing the expression of ST3GAL6 can downregulate the expression of heat shock proteinβ8(HSPB8)and Bcl2-associated athanogene 3(BAG3).Notably,the overexpression of HSPB8 partially restored the reduced autophagy levels caused by silencing ST3GAL6 *** results indicate that ST3GAL6 regulates autophagy through the HSPB8-BAG3 complex.

关键词： Hepatic encephalopathy Hyperammonemia Autophagy ST3β-galactosideα2,3-sialyltransferase 6(ST3GAL6) Heat shock proteinβ8(HSPB8)

Hydride vapor phase epitaxy for gallium nitride substrate

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Journal of Semiconductors 2019年第10期40卷 85-94页

作者： Jun Hu Hongyuan Wei Shaoyan Yang Chengming li huijie li Xianglin liu lianshan Wang Zhanguo Wang Key Laboratory of Semiconductor Materials Science Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China

Due to the remarkable growth rate compared to another growth methods for gallium nitride(GaN)growth,hydride vapor phase epitaxy(HVPE)is now the only method for mass product GaN *** this review,commercial HVPE systems and the GaN crystals grown by them are *** article also illustrates some innovative attempts to develop homebuilt HVPE ***,the prospects for the further development of HVPE for GaN crystal growth in the future are also discussed.

关键词： hydride vapor phase epitaxy gallium nitride substrate

linear magnetoresistance and structural distortion in layered SrCu_(4-x)P_(2) single crystals

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Chinese Physics B 2024年第1期33卷 591-594页

作者：聂勇陈正韦文森李慧杰张勇梅明王园园宋文海宋东升王钊胜朱相德宁伟田明亮 Anhui Key Laboratory of Low-energy Quantum Materials and Devices High Magnetic Field LaboratoryHFIPSChinese Academy of SciencesHefei 230031China Department of Physics University of Science and Technology of ChinaHefei 230026China Key Laboratory of Materials Physics Institute of Solid State PhysicsHFIPSChinese Academy of SciencesHefei 230031China Information Materials and Intelligent Sensing Laboratory of Anhui Province Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of EducationInstitutes of Physical Science and Information TechnologyAnhui UniversityHefei 230601China School of Physics Anhui UniversityHefei 230601China

We report a systematic study on layered metal SrCu_(4-x)P_(2) single crystals via transport, magnetization, thermodynamic measurements and structural characterization. We find that the crystals show large linear magnetoresistance without any sign of saturation with a magnetic field up to 30T. We also observe a phase transition with significant anomalies in resistivity and heat capacity at T_(p)~140 K. Thermal expansion measurement reveals a subtle lattice parameter variation near Tp, i.e.,?L_(c)/L_(c)~0.062%. The structural characterization confines that there is no structure transition below and above T_(p). All these results suggest that the nonmagnetic transition of SrCu_(4-x)P_(2) could be associated with structural distortion.

关键词： linear magnetoresistance thermal expansion specific heat structural distortion

Wheel-shaped icosanuclear Cu-containing polyoxometalate catalyst: Mechanistic and stability studies on light-driven hydrogen generation

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Chinese Journal of Catalysis 2022年第2期43卷 442-450页

作者： Yeqin Feng lin Qin Junhao Zhang Fangyu Fu# huijie li Hua Xiang Hongjin Lv MOE Key Laboratory of Cluster Science School of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 102488China

In this paper,we report the synthesis and characterization of a wheel-shaped icosanuclear Cu-containing polyoxometalate(POM),K_(12)li_(13)[Cu_(2)0Cl(OH)_(24)(H_(2)O)_(12)(P_(8)W_(48)O_(184))]·22H_(2)O(K_(12)li_(13)-Cu_(2)0P_(8)W_(48)).The resulting cation-exchanged tetrabutylammonium salt of the polyoxoanion Cu_(2)0P_(8)W_(48)(TBA-Cu_(2)0P_(8)W_(48))exhibits high efficiency for visible-light-driven H_(2) production in the presence of an[Ir(ppy)2(dtbbpy)][PF_(6)]photosensitizer and a triethanolamine electron *** optimal conditions,the turnover number for H_(2) production reaches~2892 after 5 h of photocatalysis and thereafter continuously increases to~13400 in a long-term 120 h reaction,representing the best performance among all reported transition-metal-substituted POM *** studies confirm the existence of reductive and oxidative quenching processes,of which the reductive quenching pathway is *** stability tests demonstrate that the TBA-Cu_(2)0P_(8)W_(48) catalyst slowly dissociates Cu ions under turnover conditions;however,both the starting TBA-Cu_(2)0P_(8)W_(48) and its molecular decomposition products are dominant active species for efficient and long-term H_(2) production.

关键词： Polyoxometalates Icosanuclear copper substitution light-driven hydrogen production Photocatalytic mechanism Stability study

Fixed-Time Nonsingular Terminal Sliding Mode Control with Compound Sliding Surface

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Fixed-Time Nonsingular Terminal Sliding Mode Control with Co...

Neuroimaging features in a patient with non-ketotic hyperglycaemic seizures: A case report

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作者： huijie li Yuanli Cai Institute of Control Engineering Xi’an Jiaotong University

A nonsingular terminal sliding mode（NTSM） control scheme with fixed-time convergence is proposed for a class of second-order nonlinear systems subject to matched uncertainties and external disturbances. A compound sliding surface is firstly constructed to eliminate the singularity and the upper bound of convergence time is estimated. A fixed-time NTSM controller is then developed and a guaranteed upper bound of the closed-loop settling time independent of initial states is presented based on the phase plane analysis and Lyapunov stability theory. Finally, a lot of simulations for a single inverted pendulum system are conducted to validate the effectiveness of the proposed methodology.

关键词： Fixed-time stability nonsingular terminal sliding mode control compound sliding surface nonlinear system

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World Journal of Clinical Cases 2024年第5期12卷 1004-1009页

作者： Jing Wu huijie Feng Yaxiong Zhao Junfeng li Ting li Kefeng li Department of Radiology Heping Hospital Affiliated to Changzhi Medical CollegeChangzhi 046000Shanxi ProvinceChina Changzhi Key Lab of Functional Imaging for Brain Diseases Heping Hospital Affiliated to Changzhi Medical CollegeChangzhi 046000Shanxi ProvinceChina Faculty of Applied Sciences Macao Polytechnic UniversityMacao 999078China

BACKGROUND Non-ketotic hyperglycaemic(NKH)seizures are a rare neurological complication of diabetes caused by hyperglycaemia in non-ketotic and non-hyperosmotic *** clinical characteristics of NKH seizures are atypical and lack unified diagnostic criteria,leading to potential misdiagnoses in the early stages of the *** SUMMARY This report presents a rare case of NKH seizures in a 52-year-old male patient with a history of type 2 diabetes *** performed comprehensive magnetic resonance imaging(MRI)studies at admission,12 d post-admission,and 20 d *** imaging techniques included contrast-enhanced head MRI,T2-weighted imaging(T2WI),fluid-attenuated inversion recovery(FLAIR),diffusion-weighted imaging,susceptibility-weighted imaging,magnetic reso-nance spectroscopy(MRS),and magnetic resonance *** the time of admission,T2WI and FLAIR of the cranial MRI showed that the left parieto-occipital cortex had gyrus-like swelling and high signal,and subcortical stripes had low *** showed a reduced N-acetylaspartate peak and increased creatine and choline peaks in the affected areas.A follow-up MRI 20 d later showed that the swelling and high signal of the left parieto-occipital cortex had disappeared,and the low signal of the subcortex had *** This case study provides valuable insights into the potential pathogenesis,diagnosis,and treatment of NKH *** comprehensive MRI findings highlight the potential utility of various MRI sequences in diagnosing and characterizing NKH seizures.

关键词： Non-ketotic hyperglycaemia seizures Magnetic resonance imaging Magnetic resonance spectroscopy Diabetes Case report