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Novel 2D bifunctional layered rare-earth hydroxides@GO catalyst as a functional interlayer for improved liquid-solid conversion of polysulfides in lithium-sulfur batteries

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chinese Chemical Letters 2024年第5期35卷 434-440页

作者： Haodong Wang Xiaoxu Lai chi chen pei Shi Houzhao Wan Hao Wang Xingguang chen Dan Sun CAS Key Laboratory of Design and Assembly of Functional Nanostructures and Fujian Provincial Key Laboratory of Nanomaterials Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China College of Chemistry and Materials Fujian Normal UniversityFuzhou 350007China Xiamen Institute of Rare Earth Materials Haixi InstitutesChinese Academy of SciencesXiamen 361021China School of Microelectronics Hubei UniversityWuhan 430062China Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials Xiamen 361021China

The detrimental“shuttle effect”of lithium polysulfides(LiPSs)together with sluggish multi-order reaction kinetics are the main drawbacks hindering lithium-sulfur(Li-S)batteries from commercial success.Here,we first propose the implementability of layered rare-earth hydroxides(LREHs)in Li-S batteries to optimize electrochemical performance.In this work,a two-dimensional(2D)rare-earth-based composite constructed by the layered gadolinium hydroxy chloride[Gd_(2)(OH)_(5)(H_(2)O)_(n)]Cl nanoplates(LGdH NPs)and graphene oxide(GO)was designed as a sulfur immobilizer for Li-S batteries.Combining the experimental results and density functional theory(DFT)calculations,it is revealed that the LGdH@GO composite not only provides a strong anchoring of the intermediates during cycling,but also acts as an effective catalyst to accelerate the liquid-solid conversion of polysulfides.The Li-S batteries assembled by LGdH@GO modified separators delivered a superior rate performance with a specific capacity of 605.34 mAh/g at 5 C,as well as excellent cycle stability with a decay rate of 0.087%over 500 cycles at 2 C.This study provided a deep understanding of the mechanism to suppress the“shuttle effect”by the LREHs,and a guide to design effective functional interlayers for high-performance Li-S batteries with excellent electrocatalytic activity.

关键词： Lithium-sulfur batteries Functional separator Layered rare-earth hydroxides Shuttle effect Adsorption Catalysis

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Theoretical calculation of high-pressure CO_(2)jet in cases of composite rock-breaking based on span-wagner equation of state

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Journal of Hydrodynamics 2022年第5期34卷 948-964页

作者： Xian-peng Yang Can Cai Xiao-hua chen pei Zhang Xin Zeng chi Peng Yingfang Zhou Oil and Gas Equipment Technology Sharing and Service Platform of Sichuan Province School of Mechanical EngineeringSouthwest Petroleum UniversityChengdu610500China School of Engineering University of AberdeenAberdeenUK Laboratory of High-pressure Jet Theory and Application Technology Southwest Petroleum UniversityChengdu610599China Key Laboratory of Groundwater Resources and Environment Ministry of EducationJilin UniversityChangchun130021China Southwest Pipeline Co. Ltd.National Pipe Network GroupChengdu610064China

Although several theoretical calculation methods for high-pressure jet are available,there is currently no theoretical model for the high-pressure CO_(2)jet based on the high-precision equation of state(EOS).To investigate the flow field of the high-pressure CO_(2)jet in cases of the composite rock-breaking under the high-pressure CO_(2)Jet and PDC cutter,a semi-analytical approach of the high-pressure CO_(2)jet is developed based on the Span-Wagner EOS and CO_(2)jet theory.The semi-analytical calculations and the physical property calculations under the action of the high-pressure CO_(2)jet are conducted with consideration of the jet pressure,the jet distance,the nozzle diameter and the jet angle.The results indicate that the distribution of the physical properties calculated by the semi-analytical approaches is similar to that obtained by experimental monitoring and numerical simulation,which indicates that the calculation method of the high-pressure CO_(2)jet presented in this paper is effective and reliable.The properties of the CO_(2)jet obtained by the theoretical calculation see a significant difference between the initial region and the jet impact region.At the temperature of 300 K,the increase of the initial pressure can effectively increase the impact force and the cooling ability of the jet.The proportion of the jet core lengths in the jet on the axis increases with the increase of the ratio of the nozzle diameter to the jet length,accompanied with the increase of the impact force of the jet.The increase of the jet angle can effectively increase the impacting force of the jet,but hampers the fluid diffusion.The study combines the theoretical calculation of the jet with the calculation of the physical properties of the high-pressure CO_(2),for comprehensively understanding the CO_(2)jet field in the composite rock-breaking under the action of the high-pressure CO_(2)jet and PDC cutter.This theoretical calculation of the CO_(2)jet based on the high-precision EOS provides an option for the convenient calc

关键词： CO_(2)jet hydraulic jet drill theoretical calculation equation of state(EOS) physical property

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Trained immunity and macrophage reprogramming in allergic disorders

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Cellular & Molecular Immunology 2023年第9期20卷 1084-1086页

作者： Pei-Chi Chen Miao-Hsi Hsieh Wen-Shuo Kuo Lawrence Shih-Hsin Wu Jiu-Yao Wang Center for Allergy Immunologyand Microbiome(A.M.)China Medical University HospitalTaichungTaiwanChina Department of Nursing National Tainan Junior College of NursingTainanTaiwanChina school of Chemistry and Materials Science Nanjing University of Information Science and TechnologyNanjingChina Graduate Institute of Biomedical Sciences China Medical UniversityTaichungTaiwanChina Department of Allergy Immunologyand Rheumatology(AIR)China Medical University Children's HospitalTaichungTaiwanChina

"Practice is the hardest part of learning,and training is the essence of transformation."Ann Voskamp,One Thousand Gifts:A Dare to Live Fully Right Where YouAre Early-life exposure to environmental allergens and viral infections can lead to trained immunity and macrophage polarization resulting in an augmented type 2 immune response in allergic disorders.However,the detailed mechanism is unknown.

关键词： immunity allergic macrophage

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Early-life EV-A71 infection augments allergen-induced airway inflammation in asthma through trained macrophage immunity

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Cellular & Molecular Immunology 2021年第2期18卷 472-483页

作者： Pei-Chi Chen Yu-Ting Shao Miao-Hsi Hsieh Hui-Fang Kao Wen-Shuo Kuo Shih-Min Wang Shun-Hua chen Lawrence Shih Hsin Wu Hui-Ju Tsai Jiu-Yao Wang Institute of Basic Medical Sciences College of MedicineNational Cheng Kung UniversityTainanTaiwanChina Department of Microbiology and Immunology College of MedicineNational Cheng Kung UniversityTainanTaiwanChina Center for Allergy and Clinical Immunology Research College of MedicineNational Cheng Kung UniversityTainanTaiwanChina Department of Nursing National Tainan Junior College of NursingTainanTaiwanChina School of Chemistry and Materials Science Nanjing University of Information Science and TechnologyNanjingChina Department of Pediatrics National Cheng Kung University HospitalTainanTaiwanChina Graduate Institute of Biomedical Sciences China Medical UniversityTaichungTaiwanChina Division of Biostatistics and Bioinformatics Institute of Population Health SciencesNational Health Research InstitutesZhunanTaiwanChina Department of Pediatrics National Cheng Kung University HospitalNo139Sheng-Li RoadTainan 70428 TaiwanChina

Virus-induced asthma is prevalent among children,but its underlying mechanisms are unclear.Accumulated evidence indicates that early-life respiratory virus infection increases susceptibility to allergic asthma.Nonetheless,the relationship between systemic virus infections,such as enterovirus infection,and the ensuing effects on allergic asthma development is unknown.Early-life enterovirus infection was correlated with higher risks of allergic diseases in children.Adult mice exhibited exacerbated mite allergen-induced airway inflammation following recovery from EV-A71 infection in the neonatal period.Bone marrow-derived macrophages(BMDMs)from recovered EV-A71-infected mice showed sustained innate immune memory(trained immunity)that could drive naïve T helper cells toward Th2 and Th17 cell differentiation when in contact with mites.Adoptive transfer of EV-A71-trained BMDMs induced augmented allergic inflammation in naïve recipient mice,which was inhibited by 2-deoxy-D-glucose(2-DG)pretreatment,suggesting that trained macrophages following enterovirus infection are crucial in the progression of allergic asthma later in life.

关键词： trained immunity allergy asthma

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Beneficial Effects and Potential Mechanisms of Tai chi on Lower Limb Osteoarthritis:A Biopsychosocial Perspective

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chinese Journal of Integrative Medicine 2023年第4期29卷 368-376页

作者： ZHUANG Shu-zhao chen pei-jie HAN Jia XIAO Wei-hua Shanghai Frontiers Science Research Base of Exercise and Metabolic Health Shanghai University of SportShanghai 200438China

Lower limb osteoarthritis(OA)is a chronic,multifactorial disease characterized by impaired physical function,chronic pain,compromised psychological health and decreased social functioning.Chronic inflammation plays a critical role in the pathophysiology of OA.Tai chi is a type of classical mind-body exercise derived from ancient chinese martial arts.Evidence supports that Tai chi has significant benefits for relieving lower limb OA symptoms.Using a biopsychosocial framework,this review aims to elucidate the beneficial effects of Tai chi in lower limb OA and disentangle its potential mechanisms from the perspective of biology,psychology,and social factors.Complex biomechanical,biochemical,neurological,psychological,and social mechanisms,including strengthening of muscles,proprioception improvement,joint mechanical stress reduction,change of brain activation and sensitization,attenuation of inflammation,emotion modulation and social support,are discussed.

关键词： Tai chi osteoarthritis mechanism biopsychosocialmodel

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关联用户汽车试验场可靠性强化系数计算

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农业装备与车辆工程 2022年第1期60卷 126-129页

作者：陈沛周驰上海理工大学机械工程学院上海市200093

以某轻型货车为研究对象,根据疲劳损伤寿命相等原则,通过试验样车采集试验场与用户道路的路谱数据,利用Miner线性疲劳累积损伤理论求取各种路面下的疲劳寿命,构建试验场—用户损伤关联模型,最后求出试验场综合加速系数为58.37。并对试... 详细信息

以某轻型货车为研究对象,根据疲劳损伤寿命相等原则,通过试验样车采集试验场与用户道路的路谱数据,利用Miner线性疲劳累积损伤理论求取各种路面下的疲劳寿命,构建试验场—用户损伤关联模型,最后求出试验场综合加速系数为58.37。并对试验场制动考核不足这一特点提出了补足方案。

关键词：六分力伪损伤用户关联制动强度

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Tumor necrosis factor-alpha blockage therapy impairs hepatitis B viral clearance and enhances T-cell exhaustion in a mouse model

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Cellular & Molecular Immunology 2015年第3期12卷 317-325页

作者： Hsu Chyuan Hwei-Fang Tsai Horng-Tay Tzeng chi-Chang Sung chien-Sheng Wu pei-Jer chen Ping-Ning Hsu Department of Internal Medicine Cathay General Hospital Taipei Taiwan China Department of Internal Medicine Taipei Medical University 5iquang HOHospital Taipei Taiwan China Institute of Clinical Medicine College of Medicine Taipei Medical University Taipei Taiwan China Graduate Institute ofImmunology College of Medicine National Taiwan University Taipei Taiwan China Department of Internal Medicine Far Eastern Memorial Hospital NewTaipei City Taiwan China Graduate Institute of Clinical Medicine College of Medicine National Taiwan University Taipei Taiwan China Departmentof Internal Medicine National Taiwan University Hospital Taipei Taiwan China These authors contributed equally to this work.

Hepatitis B virus （HBV） reactivation and recurrence are common in patients undergoing immunosuppression therapy. Tumor necrosis factor （TNF） blockage therapy is effective for the treatment of many autoimmune inflammatory diseases. However, the role of TNF-a blockage therapy in the innate and adaptive immune responses against HBV is still not clear. A detailed analysis of HBV infection under TNF-a blockage therapy is essential for the prophylaxis and therapy for HBV reactivation and recurrence. In this study, HBV clearance and T-cell responses were analyzed in a HBV-transfected mouse model under anti-TNF blockage therapy. Our results demonstrated that under TNF-a blockage therapy, HBV viral clearance was impaired with persistent elevated HBV viral load in a dose- and temporal-dependent manner. The impairment of HBV clearance under anti-TNF-a blockage therapy occurred at early time points after HBV infection. In addition, TNF-a blockade maintained a higher serum HBV viral load and increased the number of intrahepatic programmed cell death （PD）- 1highCD127low exhausted T cells. Furthermore, TNF-a blockade abolished Toll-like receptor 9 （TLR9） ligand-induced facilitation of HBV viral clearance. Taken together, TNF-a blockade impairs HBV clearance and enhances viral load, and these effects depend on early administration after HBV infection. Our results here demonstrate that early TNF-a blockade reduces viral clearance and persistently maintains elevated HBV viral load in a mouse model, suggesting that HBV may reactivate during theraoy with TNF-a-blocking agents.

关键词： HBV viral load hepatitis B virus tumor necrosis factor

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电沉积CoCuP催化水氧化性能研究

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现代化工 2021年第3期41卷 170-174页

作者：陈俊池张培立大连理工大学精细化工国家重点实验室辽宁大连116024

以铜片为基底,通过变电位沉积方法制备了CoP和CoCuP电极。在1 mol/L KOH中,CoCuP催化水氧化电流达到10 m A/cm^(2)所需的过电势为238 mV,明显优于CoP催化剂。结果表明,铜掺杂能够调节电极表面形貌,CoCuP形成独特的纳米片层堆积结构,具... 详细信息

以铜片为基底,通过变电位沉积方法制备了CoP和CoCuP电极。在1 mol/L KOH中,CoCuP催化水氧化电流达到10 m A/cm^(2)所需的过电势为238 mV,明显优于CoP催化剂。结果表明,铜掺杂能够调节电极表面形貌,CoCuP形成独特的纳米片层堆积结构,具有更高的电活性面积。此外,铜掺杂还能调节催化活性位点,CoCuP相对于RHE表现出pH依赖的OER活性,表明晶格氧作为催化活性位点参与了OER反应,进而提高了催化剂的OER活性。

关键词：水氧化电催化水分解过渡金属磷化物电催化剂电沉积

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填埋场非饱和成层覆盖层一维气水耦合运移模型（英文）

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2016年第8期17卷 667-676页

作者： chi GUAN Hai-jian XIE Zhan-hong QIU Yun-min chen pei-xiong chen School of Business Administration Zhejiang Gongshang University MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering Zhejiang University Department of Civil Engineering Taizhou University Second Institute of Oceanography State Oceanic Administration

目的：为更好地评价填埋场覆盖层系统的闭气性能，建立水气耦合条件下的覆盖层中气体运移模型。在此基础上分析大气压强波动、渗透系数变化和对流扩散等因素耦合作用下填埋气在覆盖层中的运移规律。创新点：建立水气耦合条件下填埋气在... 详细信息

目的：为更好地评价填埋场覆盖层系统的闭气性能，建立水气耦合条件下的覆盖层中气体运移模型。在此基础上分析大气压强波动、渗透系数变化和对流扩散等因素耦合作用下填埋气在覆盖层中的运移规律。创新点：建立水气耦合条件下填埋气在覆盖层中的运移模型，分析多种因素耦合作用下填埋气的运移过程，并比较对流运移和扩散运移的相对重要性。方法：1．通过理论分析，建立考虑压强、对流、扩散和非饱和情况的填埋气耦合运移模型；2．通过试验拟合，得到大气压强波动的拟合经验公式（公式（22）），构建考虑压强波动下填埋气多场耦合运移模型；3．通过仿真模拟，验证所建模型的可行性和正确性（图2），并分析包含大气雎强波动和渗透率等影响因素作用下填埋气的运移规律（图6～8）。结论：1．覆盖层厚度从1米变化到2米，覆盖层中填埋气的浓度变化可达31％；2．对于受大气压强波动影响较大的覆盖层系统（如1×10^3Pa），不能忽略压强波动对填埋气运移的影响；3．气体渗透系数在初期对气体运移有较大影响，随运移时间增加直至气体运移达到稳定状态，渗透牢的影响可以忽略（仅3％）。

关键词：填埋气覆盖层系统非饱和土气水运移耦合模型

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RSPSSL:A novel high-fidelity Raman spectral preprocessing scheme to enhance biomedical applications and chemical resolution visualization

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Light(Science & Applications) 2024年第2期13卷 366-386页

作者： Jiaqi Hu Gina Jinna chen chenlong Xue pei Liang Yanqun Xiang Chuanlun Zhang Xiaokeng chi Guoying Liu Yanfang Ye Dongyu Cui De Zhang Xiaojun yu Hong Dang Wen Zhang Junfan chen Quan Tang Penglai Guo Ho-Pui Ho Yuchao Li Longqing Cong Perry Ping Shum State Key Laboratory of Optical Fiber and Cable Manufacture Technology Guangdong Key Laboratory of Integrated Optoelectronics IntellisenseDepartment of EEESouthern University of Science and TechnologyShenzhen 518055China College of Optical and Electronic Technology China Jiliang UniversityHangzhou 310018China Department of Nasopharyngeal Carcinoma Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and TherapyGuangzhou 510060China Department of Ocean Science and Engineering Southern University of Science and TechnologyShenzhen 518055China Department of Nephrology Chaozhou People’s HospitalChaozhou 521011China Clinical Research Design Division Sun Yatsen Memorial HospitalGuangzhouGuangdong 510120China School of Automation Northwestern Polytechnical UniversityXi’anShaanxi 710072China Department of Biomedical Engineering The Chinese University of Hong KongHong KongChina Guangdong Provincial Key Laboratory of Nanophotonic Manipulation Institute of NanophotonicsJinan UniversityGuangzhou 511443China

Raman spectroscopy has tremendous potential for material analysis with its molecular fingerprinting capability in many branches of science and technology.It is also an emerging omics technique for metabolic profiling to shape precision medicine.However,precisely attributing vibration peaks coupled with specific environmental,instrumental,and specimen noise is problematic.Intelligent Raman spectral preprocessing to remove statistical bias noise and sample-related errors should provide a powerful tool for valuable information extraction.Here,we propose a novel Raman spectral preprocessing scheme based on self-supervised learning(RSPSSL)with high capacity and spectral fidelity.It can preprocess arbitrary Raman spectra without further training at a speed of~1900 spectra per second without human interference.The experimental data preprocessing trial demonstrated its excellent capacity and signal fidelity with an 88%reduction in root mean square error and a 60%reduction in infinite norm(L__(∞))compared to established techniques.With this advantage,it remarkably enhanced various biomedical applications with a 400%accuracy elevation(ΔAUC)in cancer diagnosis,an average 38%(few-shot)and 242%accuracy improvement in paraquat concentration prediction,and unsealed the chemical resolution of biomedical hyperspectral images,especially in the spectral fingerprint region.It precisely preprocessed various Raman spectra from different spectroscopy devices,laboratories,and diverse applications.This scheme will enable biomedical mechanism screening with the label-free volumetric molecular imaging tool on organism and disease metabolomics profiling with a scenario of high throughput,cross-device,various analyte complexity,and diverse applications.

关键词： spectral scheme resolution

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