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Elaborating strengthen mechanism of Pt-Ir solid solution superalloy at finite temperature

Rare Metals 2024年第3期43卷 1243-1256页

作者： Wei Yu Xiao-Yu Chong Yun-xuan Zhou Meng-Di Gan ying-Xue Liang Yan Wei Ai-Min Zhang Chang-yi Hu Xing-Yu Gao Li Chen Hai-Feng Song Jing Feng Faculty of Materials Science and Engineering Kunming University of Science and TechnologyKunming650093China Yunnan Precious Metals Laboratory Co.LTD Kunming650106China Laboratory of Computational Physics Institute of Applied Physics and Computational MathematicsBeijing100088China

Pt-Ir alloy is potential superalloys used above 1300℃because of their high strength and creep ***,the ductility of Pt-Ir alloy has rapidly deteriorated with the increase of Ir,resulting in poor *** work quantitatively evaluated the solid solution strengthening(SSS)and grain refinement strengthening(GRS)of Pt-Ir alloy using first-principles calculations combined with experimental ***,the stretching force constants in the second nearest neighbor region(SFC^(2nd))of pure Ir(193.7 eV·nm^(-2))are 3.40 times that of pure Pt(57.0 eV·nm^(-2)),i.e.,the interatomic interaction is greatly enhanced with the increase of Ir content,which leads to the decrease of ductility,and modulus misfit plays a dominant role in ***,the physical mechanisms responsible for the hardness(H_(V))of Pt-Ir alloy,using the power-law-scaled function of electron work function coupled SSS and GRS,are attributed to the electron redistribution caused by different Ir ***,a thorough assessment of the thermodynamic characteristics of Pt-Ir binary alloy was conducted,culminating in development of a mapping model that effectively relates enmposition,temperature and *** results revealed that the compressive strength incrcases with the Ir content,and the highest strength was observed in Pt_(0.25)Ir_(0.75).This study provides valuable insights into the Pt-Ir alloy system.

关键词： Elastic properties Phonon Solid solution strengthen Force constants CALPHAD

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Advancing Energy Systems with In-Situ and Operando Surface-Enhanced Raman Scattering Spectroscopy

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CCS Chemistry 2024年第6期6卷 1403-1421页

作者： Haoming Bao Shi xuan Leong Jaslyn Ru Ting Chen Zhenhai Shi Suli Chen Yan Lv Tianxi Liu In Yee Phang Xing yi Ling Key Laboratory of Synthetic and Biological Colloids Ministry of EducationInternational Joint Research Laboratory for Nano Energy CompositesSchool of Chemical and Material EngineeringJiangnan UniversityWuxi 214122 School of Chemistry Chemical Engineering and BiotechnologyNanyang Technological UniversitySingapore 637371

Surface-enhanced Raman scattering spectroscopy(SERS)has emerged as a powerful analytical technique to enable nanoscale investigations of energy *** mini-review focuses on the applications of in-situ and operando SERS in energy-related research,highlighting its unique capabilities and significant contributions to understanding energy storage and conversion *** first introduce the fundamental principles of SERS,key SERS-derived techniques,and commonly employed ***,we delve into the diverse applications of in-situ and operando SERS across various energy systems,encompassing photocatalytic and electrocatalytic systems,fuel cells,solar cells,and ***,we conclude with our perspective on the current challenges and prospects in this *** hope thismini-review serves as an essential overview to guide the design and implementation of in-situ and operando SERS studies of energy systems.

关键词： surface-enhanced Raman scattering spectroscopy in-situ operando energy systems photocatalysis electrocatalysis fuel cells solar cells batteries

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Coinfection of SARS-CoV-2 Omicron variant and other respiratory pathogens in children

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World Journal of Pediatrics 2024年第1期20卷 92-96页

作者： Wei Li Bing-Han Wang Bao-Hai Chen yi Sun Lin Li Wen-Qing Xiang Ahmed Faisal Ali Lin-xuan Su Hai-Yan Mao Hong-Qiang Shen Qiang Shu Department of Clinical Laboratory Children's HospitalNational Clinical Research Center for Child HealthZhejiang University School of MedicineHangzhouChina School of Public Health Zhejiang University School of MedicineHangzhouChina Department of Information Center Children's HospitalZhejiang University School of MedicineHangzhouChina Zhejiang Provincial Center for Disease Control and Prevention HangzhouChina Department of Thoracic&Cardiovascular Surgery Children's HospitalNational Clinical Research Center for Child HealthZhejiang University School of MedicineHangzhouChina

Since the outbreak of coronavirus disease 2019(COVID-19),the entire world has been affected by the epidemic[1,2].On November 9,2021,a variant of the novel coronavirus B.1.1.529 was detected for the first time from case samples in South *** Omicron strain spread and mutated significantly *** variant has the characteristics of escape immunity,which can induce relatively extreme disease and reduce the neutralization of antibodies in vaccinators,and is more likely to be reinfected[3,4].The clinical presentation of severe acute respiratory syndrome coronavirus 2(SARSCoV-2)in children has mild symptoms and a lower risk of hospitalization and death.

关键词： respiratory immunity acute

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共线反射式二次谐波实验中二阶非线性极化率的定量测定

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Chinese Journal of Chemical Physics 2024年第2期37卷 171-176,I0101页

作者：赵璇严力耕张文凯北京师范大学物理系应用光学北京市重点实验室北京100875

偏振二次谐波是一种广泛使用的对称性表征技术.然而,在共线反射式实验构型中,光路中必不可少的分束器会导致基频光和倍频光的偏振状态经透射或反射后发生改变,从而导致二次谐波信号的偏振态发生畸变,进而影响二阶非线性极化率的定量测... 详细信息

偏振二次谐波是一种广泛使用的对称性表征技术.然而,在共线反射式实验构型中,光路中必不可少的分束器会导致基频光和倍频光的偏振状态经透射或反射后发生改变,从而导致二次谐波信号的偏振态发生畸变,进而影响二阶非线性极化率的定量测定本文提出了一种基于菲涅尔系数的数据校正方法来解决这个问题,从而实现归一化二阶非线性极化率的定量测定,进一步通过理论模拟和实验证明了该方法的有效性和通用性.

关键词：二次谐波偏振态畸变分束器二阶非线性极化率

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A novel engineered IL-21 receptor arms T-cell receptor-engineered T cells(TCR-T cells)against hepatocellular carcinoma

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Signal Transduction and Targeted Therapy 2024年第5期9卷 2215-2230页

作者： Wei Zhu Zhiming Zhang Jinzhang Chen Xiaolan Chen Lei Huang Xiaoyong Zhang xuan Huang Na Ma Weikang Xu xuan yi Xinyu Lu Xin Fu Siwei Li Guoheng Mo yiyue Wang Guosheng Yuan Mengya Zang Qi Li Xiaotao Jiang Yajing He Sha Wu Yukai He Yongyin Li Jinlin Hou State Key Laboratory of Organ Failure Research Guangdong Provincial Key Laboratory of Viral Hepatitis ResearchDepartment of Infectious DiseasesNanfang HospitalSouthern Medical UniversityGuangzhouChina Institute of Cellular Medicine Newcastle University Medical SchoolNewcastleUK Department of Pathology The First People’s Hospital of FoshanFoshanChina Dermatology Hospital Southern Medical UniversityGuangzhouChina Department of Immunology School of Basic Medical SciencesSouthern Medical UniversityGuangzhouChina Microbiome Medicine Center Department of Laboratory MedicineZhujiang HospitalSouthern Medical UniversityGuangzhouChina Key Laboratory of Proteomics of Guangdong Province Demonstration Center for Experimental Education of Basic Medical Sciences of ChinaGuangzhouChina Medical College of Georgia Augusta University112015th StreetAugustaGAUSA

Strategies to improve T cell therapy efficacy in solid tumors such as hepatocellular carcinoma(HCC)are urgently *** common cytokine receptorγchain(γc)family cytokines such as IL-2,IL-7,IL-15 and IL-21 play fundamental roles in T cell development,differentiation and effector *** study aims to determine the combination effects of IL-21 in T cell therapy against HCC and investigate optimized strategies to utilize the effect of IL-21 signal in T cell *** antitumor function of AFP-specific T cell receptor-engineered T cells(TCR-T)was augmented by exogenous IL-21 in vitro and in ***-21 enhanced proliferation capacity,promoted memory differentiation,downregulated PD-1 expression and alleviated apoptosis in TCR-T after activation.A novel engineered IL-21 receptor was established,and TCR-T armed with the novel engineered IL-21 receptors(IL-21R-TCR-T)showed upregulated phosphorylated STAT3 expression without exogenous IL-21 ***-21R-TCR-T showed better proliferation upon activation and superior antitumor function in vitro and in ***-21R-TCR-T exhibited a less differentiated,exhausted and apoptotic phenotype than conventional TCR-T upon repetitive tumor antigen *** novel IL-21 receptor in our study programs powerful TCR-T and can avoid side effects induced by IL-21 systemic *** novel IL-21 receptor creates new opportunities for next-generation TCR-T against HCC.

关键词： hepatocellular TCR utilize

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习近平关于法治化营商环境重要论述的核心意涵和实践进路

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中南民族大学学报（人文社会科学版） 2024年第4期44卷 161-169,222,223页

作者：彭艺璇华中科技大学法学院湖北武汉430074

习近平关于法治化营商环境的重要论述立意高远、内涵丰富,是习近平法治思想和习近平经济思想交汇之重要场域,系统阐述了法治在保障经济高质量发展上的重大作用。习近平关于法治化营商环境重要论述的核心意涵包括科学构成、鲜明特征和价... 详细信息

习近平关于法治化营商环境的重要论述立意高远、内涵丰富,是习近平法治思想和习近平经济思想交汇之重要场域,系统阐述了法治在保障经济高质量发展上的重大作用。习近平关于法治化营商环境重要论述的核心意涵包括科学构成、鲜明特征和价值导向三个方面:在科学构成上,需要从主体维度、客体领域、科学含义、内在要求四个层面加以阐释;在鲜明特征上,体现了历史性与时代性、实践性与理论性、整体性与区域性、本土性与世界性的统一;在价值导向上,致力于促进主体自由发展、维护公平竞争环境、提高资源配置效率、确保静态动态安全、全面落实人权保障。从实践进路上,应从优化立法制度供给、创新监管执法方式、强化司法文明建设、增强营商守法能力四个维度系统推进我国法治化营商环境建设。

关键词：习近平法治思想法治化营商环境

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A potential giant gallium deposit hosted in the tailing dam of the Fankou Zn-Pb deposit in northern Guangdong Province, South China

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China Geology 2024年第1期7卷 157-160页

作者： Peng-peng Yu Zhao-bin Hu yi Zheng Lan-xuan Guo Shi-yuan Ouyang Gui-qiang Yuan Shang-zhou Chen Cheng-ming Wang Xi Chen School of Earth Sciences and Geological Engineering Sun Yat-sen UniversityGuangzhou 510275China Guangdong Provincial Key Lab of Geological Process and Mineral Resources Survey Sun Yat-sen UniversityGuangzhou 510275China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 519000China Zhongjin Lingnan Nonfemet Co. LtdShenzhen 518000China

*** The Fankou giant zinc(Zn)-lead(Pb)deposit in Guangdong Province is well-known for its huge reserves of over 10 Mt(million ton)Zn+Pb metals and high ore-grade with Zn+Pb exceeding 15%(Guangdong Fankou Deposit Investigation Group,1980;Zhu XY et al.,2017).After 60 years of exploration and exploitation,the deposit has accumulated millions of tons of *** interesting question is that what components are hosted in these tailings,and whether some key and critical metals such as gallium and germanium are extremely enriched and worth further comprehensive *** motivated us to conduct an integrated set of field investigation,sampling,major-trace element analyses and reserve assessments about the Fankou *** this contribution,we discover that the tailings contain a variety of metal elements such as zinc,lead and gallium with comprehensive utilization *** data can act as a scientific guidance for further exploration and utilization of the Fankou tailings,and aid to enhance the utilization efficiency of the key mineral resource in *** study also provide demonstration for future green mine construction in China.

关键词： deposit comprehensive Guangdong

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Clinical feasibility of laparoscopic left lateral segment liver resection with magnetic anchor technique:The first clinical study from China

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World Journal of Gastrointestinal Surgery 2024年第5期16卷 1336-1343页

作者： Miao-Miao Zhang Ji-Gang Bai Dong Zhang Jie Tao Zhi-Min geng Zhuo-Qun Li Yu-Xiang Ren Yu-HanZhang yi Lyu Xiao-Peng Yan Department of Hepatobiliary Surgery The First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina Shaanxi Provincial Key Laboratory of Magnetic Medicine The First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina Zonglian College Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina Qide College Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina

BACKGROUND Magnetic anchor technique(MAT)has been applied in laparoscopic cholecystectomy and laparoscopic appendectomy,but has not been reported in laparoscopic partial *** To evaluate the feasibility of the MAT in laparoscopic left lateral segment liver *** Retrospective analysis was conducted on the clinical data of eight patients who underwent laparoscopic left lateral segment liver resection assisted by MAT in our department from July 2020 to November *** Y-Z magnetic anchor devices(Y-Z MADs)was independently designed and developed by the author of this paper,which consists of the anchor magnet and magnetic grasping *** time,intraoperative blood loss,intraoperative accidents,operator experience,postoperative incision pain score,postoperative complications,and other indicators were evaluated and *** All eight patients underwent a MAT-assisted laparoscopic left lateral segment liver resection,including three patients undertaking conventional 5-port and five patients having a transumbilical single-port *** mean operation time was 138±34.32 min(range 95-185 min)and the mean intraoperative blood loss was 123±88.60 mL(range 20-300 mL).No adverse events occurred during the *** Y-Z MADs showed good workability and maneuverability in both tissue and organ *** particular,the operators did not experience either a“chopstick”or“sword-fight”effect in the single-port laparoscopic *** The results show that the MAT is safe and feasible for laparoscopic left lateral segment liver resection,especially,exhibits its unique abettance for transumbilical single-port laparoscopic left lateral segment liver resection.

关键词： Magnetosurgery/magnetic surgery Magnetic anchor technique Laparoscopic hepatectomy Transumbilical singleport laparoscopy Magnet

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Marginal zone lymphoma with severe rashes: A case report

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World Journal of Clinical Cases 2024年第3期12卷 565-574页

作者： Si-Jun Bai Ye geng yi-Nan Gao Cai-Xia Zhang Qian Mi Chen Zhang Jia-Ling Yang Si-Jie He Zhen-yingYan Jian-Xia He Department of Hematology Shanxi Provincial People’s HospitalTaiyuan 030012Shanxi ProvinceChina

BACKGROUND Marginal zone lymphoma(MZL)is an indolent subtype of non-Hodgkin lymphoma(NHL),which is rare clinically with severe rashes as the initial *** SUMMARY This study reports a case of MZL with generalized skin rashes accompanied by pruritus and purulent ***-line treatment with rituximab combined with zanubrutinib had poor ***,after switching to obinutuzumab combined with zanubrutinib,the case was alleviated,and the rashes *** For patients with advanced stage MZL not benefiting from type I anti-CD20 monoclonal antibody(mAb)combination therapy,switching to a type II anti-CD20 mAb combination regimen may be *** approach may provide a new perspective in the treatment of MZL.

关键词： Marginal zone lymphoma Mucosa-associated lymphoid tissue Extranodal marginal zone lymphoma Primary cutaneous marginal zone lymphoma Rituximab,Obinutuzumab Zanubrutinib Case report

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Shared genetic architecture highlights the bidirectional association between major depressive disorder and fracture risk

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General Psychiatry 2024年第3期37卷 352-363页

作者： Pianpian Zhao Zhimin ying Chengda Yuan Haisheng Zhang Ao Dong Jianguo Tao Xiangjiao yi Mengyuan Yang Wen Jin Weiliang Tian David Karasik geng Tian Houfeng Zheng The Affiliated Hangzhou First People’s Hospital School of MedicineWestlake UniversityHangzhouZhejiangChina Westlake Laboratory of Life Sciences and Biomedicine HangzhouZhejiangChina Diseases&Population(DaP)Geninfo Lab School of Life SciencesWestlake UniversityHangzhouZhejiangChina Institute of Basic Medical Sciences Westlake Institute for Advanced StudyHangzhouZhejiangChina Department of Orthopedic Surgery The Second Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina Department of Dermatology Hangzhou Hospital of Traditional Chinese MedicineHangzhouZhejiangChina Department of Global Statistics Eli Lilly and CompanyBranchburgNew JerseyUSA Azrieli Faculty of Medicine Bar-Ilan UniversitySafedIsrael Binzhou Medical University YantaiShandongChina

Background There is limited evidence suggesting that osteoporosis might exacerbate depressive symptoms,while more studies demonstrate that depression negatively affects bone density and increases fracture *** To explore the relationship between major depressive disorder(MDD)and fracture *** We conducted a nested case-control analysis(32670 patients with fracture and 397017 individuals without fracture)and a matched cohort analysis(16496 patients with MDD and 435492 individuals without MDD)in the same prospective UK Biobank data ***,we investigated the shared genetic architecture between MDD and fracture with linkage disequilibrium score regression and the MiXeR statistical *** used the conditional/conjunctional false discovery rate approach to identify the specific shared *** calculated the weighted genetic risk score for individuals in the UK Biobank and logistic regression was used to confirm the association observed in the prospective *** We found that MDD was associated with a 14%increase in fracture risk(hazard ratio(HR)1.14,95%CI 1.14 to 1.15,p<0.001)in the nested case-control analysis,while fracture was associated with a 72%increase in MDD risk(HR 1.72,95%CI 1.64 to 1.79,p<0.001)in the matched cohort analysis,suggesting a longitudinal and bidirectional ***,genetic summary data suggested a genetic overlap between MDD and ***,we identified four shared genomic loci,with the top signal(rs7554101)near *** protein encoded by SGIP1 is involved in cannabinoid receptor type 1 *** found that genetically predicted MDD was associated with a higher risk of fracture and vice *** addition,we found that the higher expression level of SGIP1 in the spinal cord and muscle was associated with an increased risk of fracture and *** The genetic pleiotropy between MDD and fracture highlights the bidirectional association observed in the epidemiological *** shared ge

关键词： fracture matched osteoporosis

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