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Comparative study of Co_(3)O_(4)-ZSM-5 catalysts synthesized by different hydrothermal methods for the catalytic oxidation of dichloromethane

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Chinese Chemical Letters 2021年第3期32卷 1224-1228页

作者： Xiaoqi Fei Shuang cao Weilong Ouyang Haiqiang Wang Zhongbiao Wu Key Laboratory of Environment Remediation and Ecological Health Ministry of EducationCollege of Environmental&Resources ScienceZhejiang UniversityHangzhou 310058China Zhejiang Provincial Engineering Research Center of Industrial Boiler&Furnace Flue Gas Pollution Control Hangzhou 310058China Department of Environmental Engineering China Jiliang UniversityHangzhou 310018China

In this work,various Co_(3)O_(4)-ZSM-5 catalysts were prepared by the microwave hydrothermal method(MH-Co_(3)O_(4)@ZSM-5),dynamic hydrothermal method(DH-Co_(3)O_(4)@ZSM-5),and conventio nal hydrothermal method(CH-Co_(3)O_(4)/ZSM-5).Their catalytic oxidation of dichloromethane(DCM)was *** characterizations such as X-ray diffractometer(XRD),scanning microscopy(SEM),X-ray photoelectron spectroscopy(XPS),Brunauer-Emmett-Teller(BET),H2 temperature-programmed reduction(H2-TPR),temperature-programmed desorption of O_(2)(O_(2)-TPD),temperature-programmed desorption of NH_(3)(NH_(3)-TPD),diffuse reflectance infrared Fourier-transform spectra with NH_(3)molecules(NH_(3)-DRIFT),and temperature-programmed surface reaction(TPSR)were *** showed that with the assistance of microwave,MH-Co_(3)O_(4)@ZSM-5 formed a uniform core-shell structure,while the other two samples did ***-Co_(3)O_(4)@ZSM-5 possessed rich surface adsorbed oxygen species,higher ratio of Co^(3+)/Co^(2+),strong acidity,high reducibility,and oxygen mobility among the three Co_(3)O_(4)-ZSM-5 catalysts,which was beneficial for the improvement of DCM *** the oxidation of dichloromethane,MH-Co_(3)O_(4)@ZSM-5 presented the best activity and mineralization,which was consistent with the characterizations ***,according to the TPSR test,HCl or Cl_(2)removal from the catalyst surface was also promoted in MH-Co_(3)O_(4)@ZSM-5 by their abundant Bronsted acid sites and the promotion of Deacon reaction by Co_(3)O_(4)or the synergistic effect of Co_(3)O_(4)and *** to the results of in situ DRIFT studies,a possible reaction pathway of DCM oxidation was proposed over the MH-Co_(3)O_(4)@ZSM-5 catalysts.

关键词： Dichloromethane Catalytic oxidation Co_(3)O_(4) ZSM-5 Core-shell structure Microwave hydrothermal method

Fecal microbiota transplantation broadening its application beyond intestinal disorders

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World Journal of Gastroenterology 2015年第1期21卷 102-111页

作者： Meng-Que Xu Hai-Long cao Wei-Qiang Wang Shan Wang Xiao-Cang cao Fang Yan Bang-Mao Wang Department of Gastroenterology and Hepatology General HospitalTianjin Medical University Division of Gastroenterology Hepatology and Nu-tritionDepartment of PediatricsVanderbilt University Medical CenterNashvilleTN 37232-0696United States

Intestinal dysbiosis is now known to be a complication in a myriad of *** microbiota transplantation(FMT),as a microbiota-target therapy,is arguably very effective for curing Clostridium difficile infection and has good outcomes in other intestinal *** insights have raised an interest in FMT for the management of extra-intestinal disorders associated with gut *** review shows that it is an exciting time in the burgeoning science of FMT application in previously unexpected areas,including metabolic diseases,neuropsychiatric disorders,autoimmune diseases,allergic disorders,and tumors.A randomized controlled trial was conducted on FMT in metabolic syndrome by infusing microbiota from lean donors or from self-collected feces,with the resultant findings showing that the lean donor feces group displayed increased insulin sensitivity,along with increased levels of butyrate-producing intestinal *** reports of FMT have also shown favorable outcomes in Parkinson's disease,multiple sclerosis,myoclonus dystonia,chronic fatigue syndrome,and idiopathic thrombocytopenic *** is a promising approach in the manipulation of the intestinal microbiota and has potential applications in a variety of extra-intestinal conditions associated with intestinal dysbiosis.

关键词： Fecal microbiota transplantation Intestinal microb

Variations in EXD3 caused congenital cataracts in three Chinese families

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Genes & Diseases 2023年第3期10卷 660-663页

作者： Lihua cao Yunji Leng Xinmiao Nie Shuyang Zhao Tianxiao Zhang College of Kinesiology Shenyang Sport UniversityShenyangLiaoning 110102China The Research Center for Medical Genomics China Medical UniversityShenyangLiaoning 110122China Department of Ophthalmology The Fourth Affiliated Hospital of China Medical UniversityKey Laboratory of Lens Research Liaoning ProvinceEye Hospital of China Medical UniversityShenyangLiaoning 110033China

Congenital cataract is a clinically and genetically heterogeneous disease characterized by any opacity of the lens presenting at birth or in the first year of life,with an incidence of 1–6/10,000 live births in developed countries and 5–15/10,000 live births in developing *** cataract accounts for 7.4%–15.5%of all childhood blindness,and it occurs as either a syndromic disease or an isolated(nonsyndromic)disease with or without other ocular malformations,such as microcornea.

关键词： birth cataract incidence

急性StanfordA型主动脉夹层的手术治疗研究进展

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实用心脑肺血管病杂志 2025年第1期33卷 121-126页

作者：张若禹曹一得陈鑫南京医科大学附属南京医院南京市第一医院心胸血管外科江苏省南京市210006

急性Stanford A型主动脉夹层是一种危急的心血管疾病,其死亡率高、病理复杂,且外科手术治疗难度高,因此需要早期诊断与早期治疗。目前,外科开放手术仍是急性Stanford A型主动脉夹层治疗的“金标准”,且手术技术、器官保护和影像技术的... 详细信息

急性Stanford A型主动脉夹层是一种危急的心血管疾病,其死亡率高、病理复杂,且外科手术治疗难度高,因此需要早期诊断与早期治疗。目前,外科开放手术仍是急性Stanford A型主动脉夹层治疗的“金标准”,且手术技术、器官保护和影像技术的改进逐步改善了患者的预后,新的微创技术也不断出现,血管腔内手术、杂交技术逐渐进入临床实践。本文对急性Stanford A型主动脉夹层的外科开放手术、血管腔内手术及杂交技术的研究现状进行综述,探讨这些技术的应用情况、优势及当前面临的挑战,并展望未来的研究方向。

关键词：主动脉疾病主动脉夹层治疗综述

Heterogeneous Fenton-like degradation of 4-chlorophenol using iron/ordered mesoporous carbon catalyst

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Journal of Environmental Sciences 2014年第5期26卷 1171-1179页

作者： Feng Duan Yuezhu Yang Yuping Li Hongbin cao Yi Wang Yi Zhang National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology Key Laboratory of Green Process and Engineering Institute of Process Engineering Chinese Academy of Sciences School of Chemical and Biological Engineering Changsha University of Science and Technology

Ordered mesoporous carbon supported iron catalysts （Fe/OMC） were prepared by the incipient wetness impregnation method and investigated in Fenton-like degradation of 4-chlorophenol （4CP） in this work. XRD and TEM characterization showed that the iron oxides were well dispersed on the OMC support and grew bigger with the increasing calcination temperature. The catalyst prepared with a lower calcination temperature showed higher decomposition efficiency towards 4CP and H202, but more metals were leached. The effect of different operational parameters such as initial pH, H202 dosage, and reaction temperature on the catalytic activity was evaluated. The results showed that 96.1% of 4CP and 47.4% of TOC was removed after 270 min at 30℃, initial pH of 3 and 6.6 mmol/L H202.88% of 4CP removal efficiency was retained after three successive runs, indicating Fe/OMC a stable catalyst for Fenton reaction. 4CP was degraded predominately by the attack of hydroxyl radical formed on the catalyst surface and in the bulk solution due to iron leaching. Based on the degradation intermediates detected by high performance liquid chromatography, possible oxidation pathways were proposed during the 4CP degradation.

关键词： ordered mesoporous carbon calcination temperature hydrogen peroxide hydroxyl radical heterogeneous Fenton

Novel Criteria on Finite-Time Stability of Impulsive Stochastic Nonlinear Systems

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IEEE/CAA Journal of Automatica Sinica 2023年第7期10卷 1634-1636页

作者： Lanfeng Hua Hong Zhu Shouming Zhong Kaibo Shi Jinde cao School of Automation Engineering University of Electronic Science and Technology of ChinaChengdu 611731China School of Mathematics Sciences University of Electronic Science and Technology of ChinaChengdu 611731China School of Electronic Information and Electrical Engineering Chengdu UniversityChengdu 610106China School of Mathematics Southeast UniversityNanjing 210096Chinaand also with the Yonsei Frontier LaboraryYonsei UniversitySeoul 03722Korea

Dear Editor,This letter considers the finite-time stability(FTS)problem of generalized impulsive stochastic nonlinear systems(ISNS).By employing the stochastic Lyapunov and impulsive control approach,some novel criteria on FTS are presented,where both situations of stabilizing and destabilizing impulses are ***,new impulse-dependent estimation strategies of stochastic settling time(SST)are proposed.

关键词： stochastic stabilizing impulsive

Analytical Expressions to Counterparty Credit Risk Exposures for Interest Rate Derivatives

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Acta Mathematicae Applicatae Sinica 2022年第2期38卷 254-270页

作者： Shuang LI Cheng PENG Ying BAO Yan-long ZHAO Zhen cao KLSC Academy of Mathematics and Systems ScienceChinese Academy of SciencesBeijing 100190China School of Mathematical Sciences University of Chinese Academy of SciencesBeijing 100049China Industrial and Commercial Bank of China Beijing 100032China

This paper proposes an approximate analytical solution method to calculate counterparty credit risk *** with the Standard Approach for measuring Counterparty Credit Risk and the Internal Modeling Method provided by Basel Committee,the proposed method significantly improves the calculation efficiency based on sacrificing a little *** Forward Rate Agreement as an example,this article derives the exact expression for Expected *** approximating the distribution of Forward Rate Agreement’s future value to a normal distribution,the approximate analytical expression for Potential Future Exposure is *** results show that this method is reliable and is robust under different parameters.

关键词： forward rate agreement counterparty credit risk expected exposure potential future exposure

Aggregation-induced emission and self-assembly of functional tetraphenylethene-based tetracationic dicyclophanes for selective detection of ATP in water

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Chinese Chemical Letters 2021年第11期32卷 3531-3534页

作者： Chunyan Qin Yawen Li Qingfang Li Chaochao Yan Liping cao College of Chemistry and Materials Science Northwest UniversityXi'an 710069China

Functional dicyclophanes with various substituents(e.g.,NO_(2),Br,OCH_(3)and OH)were synthesized via one-pot S_(N)2 *** can form nanospheres via the head-to-tail self-assembly between the cavities and the TPE units to exhibit aggregation-induced emission(AIE)in aqueous *** AIE-active nanospheres with cationic feature exhibited selective recognition with fluorescence response for anionic ATP via electrostatic interactions and hydrophobic effects in water.

关键词： Aggregation-induced emission Dicyclophanes Tetraphenylethene Adenosine derivatives Fluorescence

The biofilm characteristics and enhanced performance of a marine microbial-electrolysis-cell-based biosensor under positive anodic potential

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土木与环境工程学报（中英文） 2024年第6期46卷 221-230页

作者： cao Yuanyuan ZHANG Chaoqun LIU xiang CHENG Liang YANG Yang Institute of Medicine&Chemical Engineering Zhenjiang CollegeZhenjiang 212028JiangsuP.R.China School of Environment and Safety Engineering Jiangsu UniversityZhenjiang 212013JiangsuP.R.China School of Civil Engineering Chongqing UniversityChongqing 400045P.R.China

Microbial fuel cells have already been used as biosensors to monitor assimilable organic carbon(AOC).However,their signal production from AOC is known to be completely suppressed by dissoved oxygen(DO).In this study,two identical microbial electrolysis cell(MEC)based biosensors were inoculated with marine sediment and operated at two different anodic potentials,namely-300 mV and+250 mV relative to Ag/*** MEC biosensor operated under positive anodic potential conditions had electrochemically active microbial communities on the anode,including members of the Shewanellaceae,Pseudoalteromonadaceae,and Clostridiaceae ***,the strictly anaerobic members of the Desulfuromonadaceae,Desulfobulbaceae and Desulfobacteraceae families were found only in the negative anodic potential MEC *** positive anodic potential MEC biosensor showed several other advantages as well,such as faster start-up,significantly higher maximum current production,fivefold improvement in the AOC detection limit,and tolerance of low dissolved oxygen,compared to those obtained from the negative anodic potential MEC *** developed positive anodic potential MEC biosensor can thus be used as a real-time and inexpensive detector of AOC concentrations in high saline and low DO seawater.

关键词： biosensor microbial fuel cell anodic potential marine biofilm assimilable organic carbon