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Chemotherapy-Induced Myelosuppression in Esophageal Cancer Patients:Risks and Suggestions for Its Management

Current Medical Science 2022年第3期42卷 530-537页

作者： Qi-lin ZHANG ting-ting wu Yong HAN Zi-ming ZHENG Yu ZHANG Department of Pharmacy Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Hubei Province Clinical Research Center for Precision Medicine for Critical Illness Wuhan 430030China

Objective The influential factors of chemotherapy-induced myelosuppression in esophageal cancer in central China are unclear.This study aimed to investigate the effect of commonly used chemotherapy regimens on the incidence of myelosuppression in clinical treatment of esophageal cancer.Methods In this retrospective study,624 patients with esophageal cancer who received six different chemotherapy regimens between 2013 and 2020 at our institute were included.Chemotherapy consisted of lobaplatin,5-fluorouracil(5-F),lobaplatin and 5-F,nedaplatin,nedaplatin and paclitaxel(PTX),cisplatin and PTX.Multivariable logistic regression analysis was used to explore the risk of myelosuppression among the six different chemotherapy regimens.Results Compared with lobaplatin group,the incidence of myelosuppression in patients treated with chemotherapy regimens of lobaplatin and 5-F,nedaplatin,nedaplatin and PTX and cisplatin and PTX were significantly ameliorated.The dose of lobaplatin was significantly reduced(P=0.007)when lobaplatin was combined with 5-F,and the combination could significantly reduce the risk of myelosuppression(P=0.022).Furthermore,chemotherapeutic regimens,the dose of platinum,hemoglobin and uric acid levels,age,sex,total bilirubin and immune-enhancing drugs were found to be strong predictors of developing myelosuppression.Conclusion Targeted preventive interventions that enhance immune function,reduce uric acid levels and choose combined medication during chemotherapy should be implemented for high-risk patients to reduce the occurrence of myelosuppression.In addition,the dose of lobaplatin should be adjusted when combined with other chemotherapy drugs to reduce the incidence of myelosuppression.

关键词： esophageal cancer myelosuppression chemotherapy

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Porous and Ultra-Flexible Crosslinked MXene/Polyimide Composites for Multifunctional Electromagnetic Interference Shielding

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Nano-Micro Letters 2022年第4期14卷 59-74页

作者： Zhi-Hui Zeng Na wu Jing-Jiang Wei Yun-Fei Yang ting-ting wu Bin Li Stefanie Beatrice Hauser Wei-Dong Yang Jiu-Rong Liu Shan-Yu Zhao Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials Ministry of Education and School of Materials Science and EngineeringShandong UniversityJinan 250061People’s Republic of China Department of Chemistry and Applied Biosciences ETH ZurichCH-8093 ZurichSwitzerland Laboratory for Cellulose and Wood Materials Swiss Federal Laboratories for Materials Science and Technology(Empa)8600 DübendorfSwitzerland Laboratory for Building Energy Materials and Components Swiss Federal Laboratories for Materials Science and Technology(Empa)8600 DübendorfSwitzerland School of Aerospace Engineering and Applied Mechanics Tongji UniversityShanghai 200092People’s Republic of China

Lightweight,ultra-flexible,and robust crosslinked transition metal carbide(Ti3C2 MXene)coated polyimide(PI)(C-MXene@PI)porous composites are manufactured via a scalable dip-coating followed by chemical crosslinking approach.In addition to the hydrophobicity,anti-oxidation and extreme-temperature stability,efficient utilization of the intrinsic conductivity of MXene,the interfacial polarization between MXene and PI,and the micrometer-sized pores of the composite foams are achieved.Consequently,the composites show a satisfactory X-band electromagnetic interference(EMI)shielding effectiveness of 22.5 to 62.5 dB at a density of 28.7 to 48.7 mg cm−3,leading to an excellent surface-specific SE of 21,317 dB cm^(2)g^(−1).Moreover,the composite foams exhibit excellent electrothermal performance as flexible heaters in terms of a prominent,rapid reproducible,and stable electrothermal effect at low voltages and superior heat performance and more uniform heat distribution compared with the commercial heaters composed of alloy plates.Furthermore,the composite foams are well attached on a human body to check their electromechanical sensing performance,demonstrating the sensitive and reliable detection of human motions as wearable sensors.The excellent EMI shielding performance and multifunctionalities,along with the facile and easy-to-scalable manufacturing techniques,imply promising perspectives of the porous C-MXene@PI composites in next-generation flexible electronics,aerospace,and smart devices.

关键词： MXene Polyimide Electromagnetic interference shielding Heater Sensor

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Garnet-type solid-state electrolytes:crystal structure,interfacial challenges and controlling strategies

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Rare Metals 2023年第10期42卷 3177-3200页

作者： ting-ting wu Sijie Guo Bing Li Chang-Yu Shen Xian-Hu Liu An-Min Cao National Engineering Research Center for Advanced Polymer Processing Technology Key Laboratory of Advanced Material Processing&Mold(Ministry of Education)Zhengzhou UniversityZhengzhou450002China CAS Key Laboratory of Molecular Nanostructure and Nanotechnology and Beijing National Laboratory for Molecular SciencesInstitute of ChemistryChinese Academy of Sciences(CAS)Beijing100190China University of Chinese Academy of Sciences Beijing100049China

All-solid-state batteries(ASSBs) hold great promise for next-generation energy storage technologies owing to their advantage in different aspects such as energy density,safety,and wide temperature tolerance.However,the use of solid-state electrolytes(SSEs) instead of liquid ones meanwhile brings serious concerns related to the point-to-point contact between SSEs and electrodes,which is known to result in high interface resistance and inhomogeneous distribution of charges during the Li^(+)plating/stripping process,eventually leading to a premature failure of ASSBs.This review focuses on the garnet-type SSEs in the formula of Li_(7)La_(3)Zr_(2)O_(12)(LLZO),and discusses the structure-performance relationship of this ceramic electrolyte in detail to achieve a clear understanding of its Li^(+)transmission mechanism.Meanwhile,the challenges of cubic phase LLZO(c-LLZO) for their application in solidstate batteries(SSBs) are demonstrated by the Li/LLZO interface,which features the importance of Li metal wettability and dendrite suppression for sustainable performance.Furthermore,this review summarizes the recent research strategies to combat these contact issues at the Li/LLZO interface,highlighting the essential role played by surface modification of LLZO electrolytes.Following the obtained insights,perspectives for future research on LLZO to accelerate its potential development of SSBs in commercialized applications are also provided.

关键词： Solid-state electrolytes(SSEs) Garnet-type electrolytes Li^(+)ion conductivity Interface engineering Lithium dendrites

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Structural design of organic battery electrode materials:from DFT to artificial intelligence

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Rare Metals 2023年第10期42卷 3269-3303页

作者： ting-ting wu Gao-Le Dai Jin-Jia Xu Fang Cao Xiao-Hong Zhang Yu Zhao Yu-Min Qian Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices Soochow UniversitySuzhou215123China College of Materials Chemistry and Chemical EngineeringHangzhou Normal UniversityHangzhou311121China Department of Chemistry and Biochemistry University of Missouri–St.LouisSt.LouisMO63121USA Department of Health Technology Technical University of DenmarkKgs.Lyngby2800Denmark Key Lab of Advanced Optoelectronic Quantum Architecture and Measurement Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systemsand School of PhysicsBeijing Institute of TechnologyBeijing100081China

Redox-active organic materials are emerging as the new playground for the design of new exciting battery materials for rechargeable batteries because of the merits including structural diversity and tunable electrochemical properties that are not easily accessible for the inorganic counterparts.More importantly,the sustainability developed by using naturally abundant chemical elements(C,H,N,O and S) makes them as an ideal alternative material for Li-ion batteries(LIBs).However,the identification and screening of proper organic materials is still challenging in the past decades.Assisted by the artificial intelligence,this review will give a summary of the theoretical design aspects of redox-active organic materials from densityfunctional theory(DFT) to machine learning(ML) methods in the past two decades,with a particular emphasis on the calculation method to predict the chemical/electrochemical stability and reversibility.This review will also analyze and discuss the challenges and perspectives for the development of organic battery materials.

关键词： Organic battery Density-functional theory(DFT) High-throughput computation Machine learning(ML)

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Nerve bundle formation during the promotion of peripheral nerve regeneration:collagenⅥ-neural cell adhesion molecule 1 interaction

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Neural Regeneration Research 2022年第5期17卷 1023-1033页

作者： Jia-Hui Sun Ming Huang Zhou Fang Tian-Xiao Li ting-ting wu Yi Chen Da-Ping Quan Ying-Ying Xu Yu-Ming Wang Yi Yang Jian-Long Zou Institute of Neuroscience and the Second Affiliated Hospital of Guangzhou Medical University Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of ChinaGuangzhouGuangdong ProvinceChina Key Laboratory of Neurological Function and Health School of Basic Medical SciencesGuangzhou Medical UniversityGuangzhouGuangdong ProvinceChina Zhongshan School of Medicine Sun Yat-sen UniversityMinistry of EducationGuangzhouGuangdong ProvinceChina Department of Pharmacy Hospital of StomatologyGuanghua School of StomatologySun Yat-sen UniversityGuangzhouGuangdong ProvinceChina Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education School of ChemistrySun Yat-sen UniversityMinistry of EducationGuangzhouGuangdong ProvinceChina Department of Orthopedic Trauma and Microsurgery The First Affiliated HospitalSun Yat-sen UniversityGuangzhouGuangdong ProvinceChina

The formation of nerve bundles,which is partially regulated by neural cell adhesion molecule 1(NCAM1),is important for neural network organization during peripheral nerve regeneration.However,little is known about how the extracellular matrix(ECM)microenvironment affects this process.Here,we seeded dorsal root ganglion tissue blocks on different ECM substrates of peripheral nerve ECM-derived matrixgel,Matrigel,laminin 521,collagen I,and collagen IV,and observed well-aligned axon bundles growing in the peripheral nerve ECM-derived environment.We confirmed that NCAM1 is necessary but not sufficient to trigger this phenomenon.A protein interaction assay identified collagen VI as an extracellular partner of NCAM1 in the regulation of axonal fasciculation.Collagen VI interacted with NCAM1 by directly binding to the FNIII domain,thereby increasing the stability of NCAM1 at the axolemma.Our in vivo experiments on a rat sciatic nerve defect model also demonstrated orderly nerve bundle regeneration with improved projection accuracy and functional recovery after treatment with 10 mg/m L Matrigel and 20μg/m L collagen VI.These findings suggest that the collagen VI-NCAM1 pathway plays a regulatory role in nerve bundle formation.This study was approved by the Animal Ethics Committee of Guangzhou Medical University(approval No.GY2019048)on April 30,2019.

关键词： axonal fasciculation collagen VI extracellular matrix microenvironment nerve bundle formation nerve projection neural cell adhesion molecule 1 neurogenesis peripheral nerve regeneration

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Newly Detected Transmission of bla_(KPC-2) by Outer Membrane Vesicles in Klebsiella Pneumoniae

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Current Medical Science 2023年第1期43卷 80-85页

作者： Liu-jun CHEN Xiao-peng JING Dong-li MENG ting-ting wu Huan ZHOU Rui-ling SUN Xiao-chun MIN Rong LIU Ji ZENG Department of Clinical Laboratory Wuhan Fourth HospitalWuhan430030China Key Laboratory of Ministry of Education for Neurological Disorders Department of PathophysiologySchool of Basic MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China

Objective The prevalence of carbapenem-resistant Klebsiella pneumoniae(CR-KP)is a global public health problem.It is mainly caused by the plasmid-carried carbapenemase gene.Outer membrane vesicles(OMVs)contain toxins and other factors involved in various biological processes,includingβ-lactamase and antibiotic-resistance genes.This study aimed to reveal the transmission mechanism of OMV-mediated drug resistance of Klebsiella(K.)pneumoniae.Methods We selected CR-KP producing K.pneumoniae carbapenemase-2(KPC-2)to study whether they can transfer resistance genes through OMVs.The OMVs of CR-KP were obtained by ultracentrifugation,and incubated with carbapenem-sensitive K.pneumoniae for 4 h.Finally,the carbapenem-sensitive K.pneumoniae was tested for the presence of bla_(KPC-2)resistance gene and its sensitivity to carbapenem antibiotics.Results The existence of OMVs was observed by the electron microscopy.The extracted OMVs had bla_(KPC-2)resistance gene.After incubation with OMVs,bla_(KPC-2)resistance gene was detected in sensitive K.pneumoniae,and it became resistant to imipenem and meropenem.Conclusion This study demonstrated that OMVs isolated from KPC-2-producing CR-KP could deliver bla_(KPC-2)to sensitive K.pneumoniae,allowing the bacteria to produce carbapenemase,which may provide a novel target for innovative therapies in combination with conventional antibiotics for treating carbapenem-resistant Enterobacteriaceae.

关键词： bla_(KPC-2) carbapenem-resistant Klebsiella pneumoniae carbapenemase outer membrane vesicles simplified carbapenem inactivation method

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Spontaneous and continuous anti-virus disinfection from nonstoichiometric perovskite-type lanthanum manganese oxide

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Progress in Natural Science:Materials International 2015年第3期25卷 191-196页

作者： Ding Weng Chao Lei ting-ting wu Ren Sun Meiqing Shen Yunfeng Lu Department of Chemical and Biomolecular Engineering University of California Department of Orthopedic Surgery Brigham and Women's HospitalHarvard Medical School Key Laboratory for Green Chemical Technology of State Education Ministry School of Chemical Engineering and Technology and State Key Laboratory of EnginesTianjin University Department of Molecular and Medical Pharmacology University of California

Viral pathogens have threatened human being’s health for a long time, from periodically breakout flu epidemics to recent rising Ebola virus disease. Herein, we report a new application of nonstoichiometric Perovskite-type LaxMn O3(x ? 1, 0.95, and 0.9) compounds in spontaneous and continuous disinfection of viruses. Perovskite-type LaxMn O3(x ? 1, 0.95, and 0.9) is well-known for their catalytic properties involving oxidization reactions, which are usually utilized as electrodes in fuel cells. By utilizing superb oxidative ability of LaxMn O3(x ? 1, 0.95, and 0.9),amino acid residues in viral envelope proteins are oxidized, thus envelope proteins are denatured and infectivity of the virus is neutralized. It is of great importance that this process does not require external energy sources like light or heat. The A/PR/8/34H1N1 influenza A virus(PR8) was employed as the sample virus in our demonstration, and high-throughput disinfections were observed. The efficiency of disinfection was correlated to oxidative ability of LaxMn O3(x ? 1, 0.95, and 0.9) by EPR and H2-TPR results that La0.9Mn O3 had the highest oxidative ability and correspondingly gave out the best disinfecting results within three nonstoichiometric compounds. Moreover, denaturation of hemagglutinin and neuraminidase, the two key envelope proteins of influenza A viruses, was demonstrated by HA unit assay with chicken red blood cells and NA fluorescence assay, respectively. This unique disinfecting application of La0.9Mn O3 is considered as a great make up to current sterilizing methods especially to photocatalyst based disinfectants and can be widely applied to cut-off spread routes of viruses, either viral aerosol or contaminated fluid, and help in controlling the possibly upcoming epidemics like flus and hemorrhagic fever.

关键词： Disinfect Influenza A virus LaxMnO3 Nonstoichiometric Perovskite

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Structural optimization strategy of pipe isolation tool by dynamic plugging process analysis

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Petroleum Science 2021年第6期18卷 1829-1839页

作者： ting-ting wu Hong Zhao Bo-Xuan Gao Fan-Bo Meng College of Mechanical and Transportation Engineering China University of PetroleumBeijing102249China

During the pipeline plugging process,both the pipeline and the pipe isolation tool(PIT)will be greatly damaged,due to the violent vibration of the flow field.In this study,it was proposed for the first time to reduce the vibration of the flow field during the plugging process by optimizing the surface structure of the PIT.Firstly,the central composite design(CCD)was used to obtain the optimization schemes,and the drag coefficient and pressure coefficient were proposed to evaluate the degree of flow field changes.Secondly,a series of computational fluid dynamics(CFD)simulations were performed to obtain the drag coefficient and pressure coefficient during dynamic plugging.And the mathematical model of drag coefficient and pressure coefficient with the surface structure of the PIT were established respectively.Then,a modified particle swarm optimization(PSO)was applied to predict the optimal value of the surface structure of the PIT.Finally,an experimental rig was built to verify the effectiveness of the optimization.The results showed that the improved method could reduce the flow field vibration by 49.56%.This study provides a reference for the design of the PIT surface structure for flow field vibration technology.

关键词： Pipe isolation tool Dynamic analysis Drag coefficient Pressure coefficient Modified particle swarm optimization algorithm

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Elaborations of the influencing factors on the formation of secondary inorganic aerosols in a heavily polluted urban area of China

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Journal of Environmental Sciences 2024年第4期138卷 406-417页

作者： Shuang Wang Qiyuan Wang ting Zhang Suixin Liu Steven Sai Hang Ho Jie Tian Hui Su Yong Zhang Luyao Wang tingting wu Junji Cao School of Human Settlements and Civil Engineering Xi’an Jiaotong UniversityXi’an 710049China Key Laboratory of Aerosol Chemistry and Physics State Key Laboratory of Loess and Quaternary GeologyInstitute of Earth EnvironmentChinese Academy of SciencesXi’an 710061China CAS Center for Excellence in Quaternary Science and Global Change Xi’an 710061China National Observation and Research Station of Regional Ecological Environment Change and Comprehensive Management in the Guanzhong Plain Xi’an 710061China Division of Atmospheric Sciences Desert Research InstituteRenoNevada89512United States Hong Kong Premium Services and Research Laboratory KowloonHong Kong SARChina Xi’an Institute for Innovative Earth Environment Research Xi’an 710061China Institute of Atmospheric Physics Chinese Academy of SciencesBeijing 100029China

In this study,online water-soluble inorganic ions were detected to deduce the formation mechanism of secondary inorganic aerosol in Xianyang,China during wintertime.The dominant inorganic ions of sulfate(SO_(4)^(2-)),nitrate(NO_(3)^(-)),and ammonium(NH_(4)^(+))(the sum of those is abbreviated as SNA)accounted for 17%,21%,and 12% of PM_(2.5)mass,respectively.While the air quality deteriorated from excellent to poor grades,the precursor gas sulfur dioxide(SO_(2))of SO_(4)^(2-)increased and then decreased with a fluctuation,while nitrogen dioxide(NO_(2))and ammonia(NH_(3)),precursors of NO_(3)^(-)and NH_(4)^(+),and SNA show increasing trends.Meteorological factors including boundary layer height(BLH),temperature,and wind speed also show decline trends,except relative humidity(RH).Meanwhile,the secondary conversion ratio shows a remarkable increasing trend,indicating that there was a strong secondary transformation.From the perspective of chemical mechanisms,RH is positively correlated with sulfur oxidation ratios(SOR),nitrogen oxidation ratios(NOR),and ammonia conversion ratios,representing that the increase of humidity could promote the generation of SNA.Notably,SOR and NOR were also positively related to the ammonia.On the one hand,the low wind speed and BLH led to the accumulation of pollutants.On the other hand,the increases of RH and ammonia promoted more formations of SNA and PM_(2.5).The results advance our identification of the contributors to the haze episodes and assist to establish more efficient emission controls in Xianyang,in addition to other cities with similar emission and geographical characteristics.

关键词： Haze episodes Secondary inorganic aerosol Secondary conversion ratio Meteorological factors

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A precise and specific method for quick determination of sulfur fumigation for moutan cortex

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World Journal of Traditional Chinese Medicine 2017年第1期3卷 16-21页

作者： Na Hu Juan Da Xin Chen Shang-Rong Li Qiu-Rong Wang ting-ting wu Lin Yang Wan-Ying wu De-an Guo Changchun University of Chinese Medicine Shanghai Research Center for Modernization of Traditional Chinese Medicine National Engineering Laboratory for TCM Standardization TechnologyShanghai Institute of Materia Medica Chinese Academy of Sciences

Objective: Establish a quick, precise and specific method to determine whether the moutan cortex obtained from market is processed with sulfur; provide a reliable method for the scientific evaluation.Methods: Three methods, including acid-base titration method, high-performance liquid-chromatography(HPLC) method, and ultraperformance liquid chromatography coupled with time-of-flight mass spectrometry(UHPLC-TOF-MS) method were used to detect whether30 batches of samples were fumigated with sulfur.Results: The results of three methods were substantially the same. Fifteen batches were identified to have been processed with sulfur fumigation, while others were not.Conclusions: The HPLC method was found to be most appropriate for the determination of sulfur fumigation for moutan cortex.

关键词： Moutan cortex Sulfur fumigation Paeoniflorin Paeoniflorin sulfonate HPLC method

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