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XELOX(capecitabine plus oxaliplatin)plus bevacizumab(anti-VEGF-A antibody)with or without adoptive cell immunotherapy in the treatment of patients with previously untreated metastatic colorectal cancer:a multicenter,open-label,randomized,controlled,phase 3 trial

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Signal Transduction and Targeted Therapy 2024年第5期9卷 2104-2113页

作者： Qiu-Zhong Pan Jing-Jing Zhao liang liu Dong-Sheng Zhang li-Ping Wang Wen-Wei Hu De-Sheng Weng Xiang Xu Yi-Zhuo li Yan Tang Wei-Hong Zhang jie-yao li Xiao Zheng Qi-Jing Wang Yong-Qiang li Tong Xiang li Zhou Shuang-Ning Yang Chen Wu Rong-Xing Huang Jia He Wei-Jiao Du Lu-Jun Chen Yue-Na Wu Bin Xu Qiong Shen Yi Zhang Jing-Ting Jiang Xiu-Bao Ren Jian-Chuan Xia State Key Laboratory of Oncology in South China Guangdong Provincial Clinical Research Center for CancerCollaborative Innovation Center for Cancer MedicineSun Yat-Sen University Cancer CenterGuangzhouGuangdong 510060PR China Department of Biotherapy Sun Yat-Sen University Cancer CenterGuangzhouGuangdong 510060PR China Tianjin Medical University Cancer Institute and Hospital National Clinical Research Center for CancerTianjin 300060PR China Key Laboratory of Cancer Immunology and Biotherapy Tianjin 300060PR China Department of Biotherapy/Immunology Tianjin Medical University Cancer Institute and HospitalTianjin 300060PR China Department of Medical Oncology Sun Yat-sen University Cancer CenterGuangzhou 510060PR China Department of Oncology the First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052PR China Department of Tumor Biological Treatment the Third Affiliated Hospital of Soochow UniversityChangzhouJiangsu 213003PR China Jiangsu Engineering Research Center for Tumor Immunotherapy ChangzhouJiangsu 213003PR China Institute for Cell Therapy of Soochow University ChangzhouJiangsu 213003PR China Department of Stem Cell&Regenerative Medicine State Key Laboratory of TraumaBurn and Combined InjuryDaping HospitalArmy Medical UniversityChongqing 400042PR China Imaging Diagnosis and Interventional Center Sun Yat-sen University Cancer CenterGuangzhouGuangdong 510060PR China

Fluoropyrimidine-based combination chemotherapy plus targeted therapy is the standard initial treatment for unresectable metastatic colorectal cancer(mCRC),but the prognosis remains *** phase 3 trial(***:NCT03950154)assessed the efficacy and adverse events(AEs)of the combination of PD-1 blockade-activated DC-CIK(PD1-T)cells with XELOX plus bevacizumab as a first-line therapy in patients with mCRC.A total of 202 participants were enrolled and randomly assigned in a 1:1 ratio to receive either first-line XELOX plus bevacizumab(the control group,n=102)or the same regimen plus autologous PD1-T cell immunotherapy(the immunotherapy group,n=100)every 21 days for up to 6 cycles,followed by maintenance treatment with capecitabine and *** main endpoint of the trial was progression-free survival(PFS).The median follow-up was 19.5 *** PFS was 14.8 months(95%CI,11.6-18.0)for the immunotherapy group compared with 9.9 months(8.0-11.8)for the control group(hazard ratio[HR],0.60[95%CI,0.40-0.88];p=0.009).Median overall survival(OS)was not reached for the immunotherapy group and 25.6 months(95%CI,18.3-32.8)for the control group(HR,0.57[95%CI,0.33-0.98];p=0.043).Grade 3 or higher AEs occurred in 20.0%of patients in the immunotherapy group and 23.5%in the control groups,with no toxicity-associated deaths *** addition of PD1-T cells to first-line XELOX plus bevacizumab demonstrates significant clinical improvement of PFS and OS with well tolerability in patients with previously untreated mCRC.

关键词： PD1 immunotherapy bevacizumab

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Process intensification for the synthesis and purification of battery-grade li_(2)CO_(3)with microfluidics

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Particuology 2024年第7期90卷 106-117页

作者： Haodu li jie Zhang lin Dai Le Du Jiqin Zhu The State Key Laboratory of Chemical Resource Engineering College of Chemical EngineeringBeijing University of Chemical TechnologyBeijing 100029China

Battery-grade lithium carbonate(li_(2)CO_(3))with a purity of higher than 99.5 wt%is of great importance as a high value-added lithium ***,influences of different reaction systems and process control on product purity remain ***,a membrane dispersion microreactor was used to enhance the mass transfer of preparation and purification processes in homogeneous and heterogeneous *** systems of Na_(2)CO_(3)–liCl,NH_(4)HCO_(3)–liCl,and NH_(3)·H_(2)O−CO_(2)−liCl,CO_(2)purification based on carbonation and decomposition were *** li_(2)CO_(3)purity was increased by the improvement of mixing *** carbonation time was reduced by 62.5%and 58.3%for the NH_(3)·H_(2)O−CO_(2)and CO_(2)purification systems,*** the two ammonia-based systems,li_(2)CO_(3)particles with a purity of 99.7–99.8 wt%were one-step prepared with a size of 3–5μm,which also met the requirement of the battery-grade *** purity was further increased to 99.9 wt%by CO_(2)purification and liHCO_(3)*** investigation could provide a feasible alternative for the controllable preparation of battery-grade li_(2)CO_(3)in one or multiple steps.

关键词： Microfluidics Battery grade li_(2)CO_(3) Process intensification High purity

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Chemical Activation of S/li2S in li-S Batteries by a Bidirectional Organic Redox Mediator

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CHEMICAL RESEARCH IN CHINESE UNIVERSITIES 2024年第5期40卷 927-934页

作者： li, Chengqiu Zhou, Chaoyong Mei, Shilin yao, Changjiang Beijing Inst Technol Sch Mechatron Engn State Key Lab Explos Sci & Safety Protect Beijing 100081 Peoples R China Xian Safty Energy Technol Co Ltd Xian 710299 Peoples R China

The energy density and lifespan of prototype li-S batteries under high sulfur loading and lean electrolyte have been mainly restricted by the incomplete interconversion between insulating S8 and li2S. The introduction of an electrocatalyst has been preserved as an effective way to breakthrough the bottleneck of the interconversion rate. Herein, we demonstrate a novel bidirectional redox mediator, insoluble dithiobisphthalimide (DTPI), as the electrocatalyst for both S8 reduction and li2S oxidation. Due to the dual-functional role of both electron/li+ donor and acceptor, DTPI can efficiently accelerate the redox reactions during charge/discharge and significantly alleviate the incomplete conversion of sulfur species. Consequently, the li-S batteries with DTPI deliver superior specific capacity and cycling stability in comparison with those without DTPI. Especially, the redox mediator is scalable for synthesis and the DTPI-based 5 Ah pouch cell delivers a specific discharge capacity of around 870 mAhg(-1) at 0.1 C (1 C=1675 mA/g) without capacity fading over 80 cycles. The bidirectional catalysis mechanism has been studied through theoretical calculation and ex-situ characterization of the cathode materials. This work approves the effectiveness of bidirectional organic redox mediator in the construction of practical li-S batteries.

关键词： lithium-sulfur battery (LSB) Dithiobisphthalimide (DTPI) Organic redox mediator Interconversion liTHIUM FRAMEWORK

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S-,P-stabilized bromoallenes for modular allenylborylation of alkenes

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Science China Chemistry 2024年第1期67卷 360-367页

作者： Jixin Wang Donghao Luo Ying Hu Zhili Duan Jianlin yao Konstantin Karaghiosoff jie li Key Laboratory of Organic Synthesis of Jiangsu Province Suzhou Key Laboratory of Pathogen Bioscience and Anti-infective MedicineCollege of ChemistryChemical Engineering and Materials ScienceSoochow UniversitySuzhou 215123China Department Chemie Ludwig-Maximilians-Universitat MunchenButenandtstr.5-13Haus F81377 MunichGermany State Key Laboratory and Institute of Elemento-Organic Chemistry Haihe Laboratory of Sustainable Chemical TransformationsCollege of ChemistryNankai UniversityTianjin 300071China

Simultaneously forming a carbon-carbon and a carbon-heteroatom bond in a single step through transition metal-catalyzed alkene difunctionalization strategy has emerged as a powerful tool for synthetic organic *** to the uncontrollable reactivity,direct cross-coupling with bromoallenes as the building blocks for the selective allenation and borylation remains *** herein report a new type of S-and P-stabilized bromoallenes for palladium-catalyzed modular allenation and borylation of alkenes to the divergent synthesis of multiply functionalized allenes in a highly regio-and diastereoselective *** reaction features broad substrate scope and wide functional group compatibility,thus providing a straightforward method to install allenyl and boryl groups across *** experiments highlight the crucial importance of S-,P-stabilization for the oxidative insertion of Pd-species into the allenyl-Br *** facile syntheses of bioactive allenic steroids and exocyclic allenes demonstrate the synthetic utility of this protocol.

关键词： alkene difunctionalization olefins bromoallenes allenylborylation palladium

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Harnessing Distributed Deep Learning for Landslide Displacement Prediction: A Multi-Model Collaborative Approach Amidst Data Silos

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Journal of Earth Science 2024年第5期35卷 1770-1775页

作者： Bingchen li Changdong li Yong liu jie Tan Pengfei Feng Wenmin yao Faculty of Engineering China University of Geosciences Badong National Observation and Research Station of Geohazards China University of Geosciences School of Mechanical Engineering and Electronic Information China University of Geosciences School of Civil Engineering Zhengzhou University

0 INTRODUCTION Timely and accurate prediction of landslide displacement is crucial for the early warning of landslide disasters(Tang et al., 2019; Zhao et al., 2019; Zhou et al., 2018). Among various landslide displacement prediction models, deep learning(DL) models have gained substantial popularity owing to their simplicity and accuracy(Feng et al., 2024; Dou et al., 2023; Huang et al., 2023, 2017; Wang et al., 2022).

关键词： landslide prediction Landslide

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Spherical cationic polymer networks with porphyrin photosensitizer for sustainable and efficient photocatalysis

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Nano Research 2024年第5期17卷 3934-3941页

作者： lingling Zhang liwei Wu Junhui Bao Longhui li Zejun liu Feng Bai jie Ju Xi yao Key Laboratory for Special Functional Materials of Ministry of Education School of Materials Science and EngineeringHenan UniversityKaifeng 475004China Department of Chemistry City University of Hong KongKowloonHong Kong 999077China

The continuous and sustainable photo-activity on micro-or nano-carriers has always been a key stepping stone in the industrialization of photo-catalysis,photo-synthesis,and ***,we report a new series of positively charged hollow microspheres carrying porphyrin *** hollow spheres are formed through crosslinking of well-ordered porous thin laminates,initiated by co-assembly of regular monomers and those decorated with porphyrin *** the surface of an individual sphere,densely distributed positive sites attract anionic *** superficial porphyrin decomposes the accumulated reactants under 1 *** degradation and release of products,the photoactive sites are thereby *** demonstrate that polymer network(1:10)exhibited superior sustainable photocatalytic performance with complete degradation of methyl orange(MO)in 40 min with no observable performance deterioration after six *** established close loop of adsorption-reaction-release cycle makes possible many efficient and continuous photo-catalytic processes.

关键词： hydrogen bonding assembly porphyrin sustainable photo-activity anionic pollutant

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Novel Soft Magnetic Co-Based Ternary Co-Er-B Bulk Metallic Glasses

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Acta Metallurgica Sinica(English Letters) 2024年第9期37卷 1633-1642页

作者： jie Lu Yanhui li Shuang Ma Wanping li Feng Bao Zhengwang Zhu Qiaoshi Zeng Haifeng Zhang Man yao Wei Zhang Key Laboratory of Materials Modification By Laser Ionand Electron Beams(Ministry of Education)School of Materials Science and EngineeringDalian University of TechnologyDalian116024China School of Metallurgy Northeastern UniversityShenyang110819China Center for High Pressure Science and Technology Advanced Research(HPSTAR) PudongShanghai201203China

In this work,a series of Co-based ternary Co-Er-B bulk metallic glasses(BMGs)with excellent soft magnetic properties and high strength were developed,and the local atomic structure of a typical Co_(71.5)Er_(3.5)B_(25) metallic glass was studied through in situ high-energy synchrotron X-ray diffraction and ab initio molecular dynamics *** results reveal that the BMG samples can be obtained in a composition region of Co_(68.5-71.5)Er_(3.5-4)B_(25-27.5) by a conventional copper-mold casting *** Co-Er-B metallic glasses possess stronger atomic bond strengths and denser local atomic packing structure composed of a higher fraction of icosahedral-like clusters but fewer deformed body-centered cubic and crystal-like polyhedrons,and they exhibit slower atomic diffusion behaviors during solidification,as compared to Co-Y-B *** enhancement in structural stability and the retardation of atomic-ordered diffusion lead to the better glass-forming ability of the Co-Er-B *** smaller magnetic anisotropy energy in the Co-Er-B metallic glasses results in a lower coercivity of less than 1.3 A/*** Co-Er-B BMGs exhibit high-yield strength of 3560-3969 MPa along with distinct plasticity of around 0.50%.

关键词： Co-based bulk metallic glass Glass-forming ability Soft magnetic property Ab initio molecular dynamics simulation Local atomic structure

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A unified stochastic damage model for concrete based on multi-scale energy dissipation analysis

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Science China(Technological Sciences) 2024年第3期67卷 863-877页

作者： GUO ChengGong li jie College of Civil Engineering Tongji UniversityShanghai 200092China State Key Laboratory of Disaster Reduction in Civil Engineering Shanghai 200092China

This work proposes a unified damage model for concrete within the framework of stochastic damage mechanics. Based on the micro-meso stochastic fracture model(MMSF), the nonlinear energy dissipation process of the microspring from nanoscale to microscale is investigated. In nanoscale, the rate process theory is adopted to describe the crack growth rate;therefore, the corresponding energy dissipation caused by a representative crack propagation can be obtained. The scale gap from nanoscale to microscale is bridged by a crack hierarchy model. Thus, the total energy dissipated by all cracks from the nanoscale to the microscale is gained. It is found that the fracture strain of the microspring can be derived from the above multi-scale energy dissipation analysis. When energy dissipation is regarded as some microdamage to the microspring, the constitutive law of the microspring is no longer linearly elastic, as previously assumed. By changing the expression of the damage evolution law from fracture strain to energy dissipation threshold, the new damage evolution model is derived. The proposed model can not only replicate the original static model but also extend to cases of rate dependence. By deriving the fracture strain under different strain rates, the rate sensitivity of concrete materials can be reflected. The model parameters can be conveniently obtained by identifying them with experimental data. Finally, several numerical examples are presented to verify the proposed model.

关键词： concrete damage model stochastic damage rate dependent energy dissipation

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Research fronts of agriculture in 2023

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Frontiers of Agricultural Science and Engineering 2024年第2期11卷 347-354页

作者： Jianxiang XU Yunzhou li jie ZHAO liang SHI Yinkun yao Jingyue TANG Science and Technology Journal Center Higher Education PressBeijing 100029China FASE Editorial Office of Institute for Science and Technology Development China Agricultural UniversityBeijing 100193China

At the end of 2023, Chinese Academy of Sciences(CAS) and Chinese Academy of Engineering(CAE) successively announced “2023 Research Fronts”^[1] and “2023 Engineering Fronts”^([2,3]), respectively. Among them, agric... 详细信息

关键词： occupy successively agriculture

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Discovery of a potential bladder cancer inhibitor CHNQD-01281 by regulating EGFR and promoting infiltration of cytotoxic T cells

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Marine life Science & Technology 2024年第3期6卷 502-514页

作者： Jian-Yu liu yao-yao Jiang Peng-jie li Bo yao Yi-Jing Song Ji-Xiu Gao Gulab Said Yang Gao Jun-Yu Lai Chang-Lun Shao Key Laboratory of Marine Drugs the Ministry of Education of ChinaSchool of Medicine and PharmacyOcean University of ChinaQingdao 266003China Department of Critical Care Medicine the Affiliated Hospital of Qingdao UniversityQingdao 266003China Department of Chemistry Women University SwabiSwabi 23430Pakistan Laoshan Laboratory Qingdao 266237China Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education College of Chemistry and Chemical EngineeringHainan Normal UniversityHaikou 571158China

As one of the common malignancies that threaten human life,bladder cancer occurs frequently with a high mortality rate in the world,due to its invasion,recurrence and drug *** products from marine microorganisms are becoming the hotspots in discovery of new candidate drug entities,especially in the area of *** A(BFA)is a natural Arf-GEFs inhibitor,but due to the low aqueous solubility,strong toxicity,and poor bioavailability,it is urgent to conduct structural optimization ***,a new BFA pyridine acrylate derivative CHNQD-01281 with improved solubility was prepared and found to exert moderate to strong antiproliferative activity on a variety of human cancer cell *** was noteworthy that CHNQD-01281 was most sensitive to two bladder cancer cell lines T24 and J82(IC50=0.079 and 0.081μmol/L)with high selectivity index(SI=14.68 and 14.32),suggesting a superior safety to *** vivo studies revealed that CHNQD-01281 remarkably suppressed tumor growth in a T24 nude mice xenograft model(TGI=52.63%)and prolonged the survival time(ILS=68.16%)in an MB49 allogeneic mouse model via inducing infiltration of cytotoxic T *** mechanism exploration indicated that CHNQD-01281 regulated both EGFR/PI3K/AKT and EGFR/ERK pathways and mediated the chemotactic effect of chemokines on immune effector ***,CHNQD-01281 may serve as a potential therapeutic agent for bladder cancer through multiple mechanisms.

关键词： Bladder cancer Marine natural products Brefeldin A EGFR/PI3K/AKT EGFR/ERK T-cell infiltration

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