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Investigation on the roles of equilibrium toroidal rotation during edge-localized mode mitigated by resonant magnetic perturbations

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Plasma Science and Technology 2024年第1期26卷 16-33页

作者：董良康陈少永牟茂淋罗杨秦晨晨唐昌建 College of Physics Sichuan UniversityChengdu 610064People’s Republic of China Key Laboratory of High Energy Density Physics and Technology of Ministry of Education Sichuan UniversityChengdu 610064People’s Republic of China Institute of Fusion Science School of Physical Science and TechnologySouthwest Jiaotong UniversityChengdu 610031People’s Republic of China

The effects of equilibrium toroidal rotation during edge-localized mode(ELM)mitigated by resonant magnetic perturbation(RMP)are studied with the experimental equilibria of the EAST tokamak based on the four-field model in the BOUT++*** the two main parameters to determine the toroidal rotation profiles,the rotation shear and magnitudes were separately scanned to investigate their roles in the impact of RMPs on peeling-ballooning(P-B)*** one hand,the results show that strong toroidal rotation shear is favorable for the enhancement of the self-generated E×B shearing ratewith RMPs,leading to significant ELM mitigation with RMP in the stronger toroidal rotation shear *** the other hand,toroidal rotation magnitudes may affect ELM mitigation by changing the penetration of the RMPs,more precisely the resonant *** can lead to a reduction in the pedestal energy loss by enhancing the multimode coupling in the turbulence transport *** shielding effects on RMPs increase with the toroidal rotation magnitude,leading to the enhancement of the multimode coupling with RMPs to be significantly ***,the reduction in pedestal energy loss by RMPs decreased with the rotation *** brief,the results show that toroidal rotation plays a dual role in ELM mitigation with RMP by changing the shielding effects of plasma by rotation magnitude and affectingby rotation *** the high toroidal rotation region,toroidal rotation shear is usually strong and hence plays a dominant role in the influence of RMP on P-B modes,whereas in the low rotation region,toroidal rotation shear is weak and has negligible impact on P-B modes,and the rotation magnitude plays a dominant role in the influence of RMPs on the P-B modes by changing the field ***,the dual role of toroidal rotation leads to stronger ELM mitigation with RMP,which may be achieved both in the low toroidal rotation region and the relatively high rotation regi

关键词： edge-localized mode peeling–ballooning modes resonant magnetic perturbation toroidal rotation plasma response tokamak

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Tim4 deficiency reduces CD301b+macrophage and aggravates periodontitis bone loss

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International Journal of Oral Science 2024年第2期16卷 280-292页

作者： Ziming Wang Hao Zeng Can Wang Jiaolong Wang Jing Zhang Shuyuan Qu Yue Han Liu Yang Yueqi Ni Wenan Peng Huan Liu Hua tang qin Zhao Yufeng Zhang State Key Laboratory of Oral&Maxillofacial Reconstruction and Regeneration Key Laboratory of Oral Biomedicine Ministry of EducationHubei Key Laboratory of StomatologySchool&Hospital of StomatologyTaikang Center for Life and Medical SciencesWuhan UniversityWuhanChina School of Stomatology Nanchang UniversityNanchangChina Institute of Infection and Immunity Science and Technology Innovation CenterShandong First Medical University&Shandong Academy of Medical SciencesJinanChina Medical Research Institute School of MedicineWuhan UniversityWuhanChina

Periodontitis is a common chronic inflammatory disease that causes the periodontal bone destruction and may ultimately result in tooth *** the progression of periodontitis,the osteoimmunology microenvironment in periodontitis is damaged and leads to the formation of pathological alveolar bone ***301b^(+)macrophages are specific to the osteoimmunology microenvironment,and are emerging as vital booster for conducting bone ***,the key upstream targets of CD301b^(+)macrophages and their potential mechanism in periodontitis remain *** this study,we concentrated on the role of Tim4,a latent upstream regulator of CD301b^(+)*** first demonstrated that the transcription level of Timd4(gene name of Tim4)in CD301b^(+)macrophages was significantly upregulated compared to CD301b−macrophages via high-throughput RNA ***,several Tim4-related functions such as apoptotic cell clearance,phagocytosis and engulfment were positively regulated by CD301b^(+)*** single-cell RNA sequencing analysis subsequently discovered that Cd301b and Timd4 were specifically co-expressed in *** following flow cytometric analysis indicated that Tim4 positive expression rates in total macrophages shared highly synchronized dynamic changes with the proportions of CD301b^(+)macrophages as periodontitis ***,the deficiency of Tim4 in mice decreased CD301b^(+)macrophages and eventually magnified alveolar bone resorption in ***,Tim4 controlled the p38 MAPK signaling pathway to ultimately mediate CD301b^(+)macrophages *** a word,Tim4 might regulate CD301b^(+)macrophages through p38 MAPK signaling pathway in periodontitis,which provided new insights into periodontitis immunoregulation as well as help to develop innovative therapeutic targets and treatment strategies for periodontitis.

关键词： period upstream eventually

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Genetic analysis of transcription factors in dopaminergic neuronal development in Parkinson’s disease

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Chinese Medical Journal 2024年第4期137卷 450-456页

作者： Yuwen Zhao Lixia qin Hongxu Pan Tingwei Song Yige Wang Xiaoxia Zhou Yaqin Xiang Jinchen Li Zhenhua Liu Qiying Sun Jifeng Guo Xinxiang Yan Beisha tang Qian Xu Department of Neurology Xiangya HospitalCentral South UniversityChangshaHunan 410008China Department of Neurology The Second Xiangya HospitalCentral South UniversityChangshaHunan 410011China Bioinformatics Center National Clinical Research Center for Geriatric Disorders Xiangya HospitalCentral South UniversityChangshaHunan 410008China Department of Geriatrics Xiangya HospitalCentral South UniversityChangshaHunan 410008China Centre for Medical Genetics and Hunan Key Laboratory of Medical Genetics School of Life SciencesCentral South UniversityChangshaHunan 410008China Key Laboratory of Hunan Province in Neurodegenerative Disorders Central South UniversityChangshaHunan 410008China

Background:Genetic variants of dopaminergic transcription factor-encoding genes are suggested to be Parkinson’s disease(PD)risk factors;however,no comprehensive analyses of these genes in patients with PD have been ***,we aimed to genetically analyze 16 dopaminergic transcription factor genes in Chinese patients with ***:Whole-exome sequencing(WES)was performed using a Chinese cohort comprising 1917 unrelated patients with familial or sporadic early-onset PD and 1652 ***,whole-genome sequencing(WGS)was performed using another Chinese cohort comprising 1962 unrelated patients with sporadic late-onset PD and 1279 ***:We detected 308 rare and 208 rare protein-altering variants in the WES and WGS cohorts,***-based association analyses of rare variants suggested that MSX1 is enriched in sporadic late-onset ***,the significance did not pass the Bonferroni ***,72 and 1730 common variants were found in the WES and WGS cohorts,***,single-variant logistic association analyses did not identify significant associations between common variants and ***:Variants of 16 typical dopaminergic transcription factors might not be major genetic risk factors for PD in Chinese ***,we highlight the complexity of PD and the need for extensive research elucidating its etiology.

关键词： Parkinson’s disease Transcription factors Dopaminergic neurons Genetic Variants

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Enhanced photothermal dehydration of methanol over W_(18)O_(49)/Au/SAPO-34 catalysts with broadened light absorption

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Rare Metals 2024年第3期43卷 1139-1152页

作者： Ya-qin tang Meng-Xia Yan Chang-Qian Lu Shao-Yuan Li Kui-Xian Wei Tao Qu Wen-HuiMa Yong-Nian Dai Kong-Zhai Li Da-Jun Luo Xue-Liang Zhang Yi-Ke Liu Faculty of Metallurgical and Energy Engineering Kunming University of Science and TechnologyKunming650093China School of Materials and Energy Engineering Guizhou Institute of TechnologyGuiyang550003China

Methanol-to-olefins(MTO)process is one of the most critical pathways to produce low carbon ***,the reaction is driven by thermal catalysis,which inevitably needs to consume large amounts of fossil *** a new technique to substitute for the fuel burning is urgent for MTO process to improve the industry prospects and ***,we report a novel W_(18)O_(49)/Au/SAPO-34(W/Au/S),a multifunctional photothermal catalyst for the MTO reaction.A high methanol conversion was achieved under xenonum(Xe)lamp irradiation,yielding methyl ether(ME)and ethylene as the main *** optimized W/Au/S catalysts showed ethylene yield as high as 250μmol in 60 min,which was 2.5 times higher than that of Au/*** physiochemical characterization revealed that the SAPO-34 molecular sieves were surrounded by Au and W_(18)O_(49)nanoparticles,which exhibited a strong localized surface plasmon resonance excitation around 540 nm and light absorption beyond 500 *** multifunctional catalysts showed a strong photothermal effect,arising from the broadened light absorption of Au and W_(18)O_(49)nanoparticles,leading to a temperature as high as 250℃on the surface of the *** study showed that the superior ethylene selectivity of W/Au/S catalysts was attributed to the moderating acidic sites of W_(18)O_(49)for methanol dehydration to *** research may provide new insight for designing heterostructures to improve photo-to-chemical conversion performance and is expected to accelerate progress toward the excellent multifunctional photothermal catalysts with broad light absorption for methanol activation and C-C bond formation.

关键词： Methanol conversion Ethylene Photothermal catalysis W_(18)O_(49) BrΦnsted-acid

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Deleterious variants in RNF111 impair female fertility and induce premature ovarian insufficiency in humans and mice

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Science China(Life Sciences) 2024年第7期67卷 1325-1337页

作者： Chengcheng Song Yingying qin Yan Li Bingyi Yang Ting Guo Wenqing Ma Dian Xu Keyan Xu Fangfang Fu Li Jin Yanhua Wu Shuyan tang Xiaojun Chen Feng Zhang Obstetrics and Gynecology Hospital State Key Laboratory of Genetic EngineeringInstitute of Medical Genetics and GenomicsFudan UniversityShanghai 200011China Human Phenome Institute Zhangjiang Fudan International Innovation CenterFudan UniversityShanghai 201203China Center for Reproductive Medicine Cheeloo College of MedicineShandong UniversityJinan 250021China State Key Laboratory of Reproductive Medicine and Offspring Health Key Laboratory of Reproductive Endocrinology of Ministry of EducationNational Research Center for Assisted Reproductive Technology and Reproductive GeneticsShandong Key Laboratory of Reproductive MedicineShandong Provincial Clinical Research Center for Reproductive HealthShandong UniversityJinan 250021China Department of Obstetrics and Gynecology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China National Demonstration Center for Experimental Biology Education School of Life SciencesFudan UniversityShanghai 200433China Department of Gynecology the Tenth People’s Hospital of Tongji UniversityShanghai 200072China Soong Ching Ling Institute of Maternity and Child Health International Peace Maternity and Child Health Hospital of China Welfare InstituteShanghai 200030China

Premature ovarian insufficiency(POI)is a heterogeneous female disorder characterized by the loss of ovarian function before the age of *** represents a significant detriment to female ***,the known POI-causative genes currently account for only a fraction of *** elucidate the genetic factors underlying POI,we conducted whole-exome sequencing on a family with three fertile POI patients and identified a deleterious missense variant in *** a subsequent replication study involving 1,030 POI patients,this variant was not only confirmed but also accompanied by the discovery of three additional predicted deleterious RNF111 *** variants collectively account for eight cases,representing 0.78%of the study cohort.A further study involving 500 patients with diminished ovarian reserve also identified two additional RNF111 ***,RNF111 encodes an E3 ubiquitin ligase with a regulatory role in the TGF-β/BMP signaling *** analysis revealed that RNF111/RNF111 is predominantly expressed in the oocytes of mice,monkeys,and *** further investigate the functional implications of RNF111 variants,we generated two mouse models:one with a heterozygous missense mutation(Rnf111+/M)and another with a heterozygous null mutation(Rnf111^(+/-)).Both mouse models exhibited impaired female fertility,characterized by reduced litter sizes and small ovarian ***,RNA-seq and quantitative proteomics analysis unveiled that Rnf111 haploinsufficiency led to dysregulation in female gonad development and negative regulation of the BMP signaling pathway within mouse *** conclusion,our findings strongly suggest that monoallelic deleterious variants in RNF111 can impair female fertility and induce POI in both humans and mice.

关键词： POI RNF111 female fertility ovarian reserve

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D-type neuropeptide decorated AIEgen/RENP hybrid nanoprobes with light-driven ROS generation ability for NIR-Ⅱ fluorescence imaging-guided through-skull photodynamic therapy of gliomas

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Aggregate 2024年第1期5卷 185-195页

作者： Xuelu He Yuan Luo Yanying Li Yuanbo Pan Ryan T.K.Kwok Lulu He Xiaolin Duan Pengfei Zhang Aiguo Wu ben Zhong tang Juan Li Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology Zhejiang International Cooperation Base of Biomedical Materials Technology and ApplicationChinese Academy of Sciences(CAS)Key Laboratory of Magnetic Materials and DevicesNingbo Cixi Institute of Biomedical EngineeringZhejiang Engineering Research Center for Biomedical MaterialsNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingboP.R.China Guangdong Key Laboratory of Nanomedicine Shenzhen Engineering Laboratory of Nanomedicine and NanoformulationsCAS-HK Joint Lab for BiomaterialsResearch Laboratory for Biomedical Optics and Molecular ImagingShenzhen Key Laboratory for Molecular ImagingCAS Key Lab for Health InformaticsShenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhenP.R.China Department of Chemistry Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction and Institute for Advanced StudyThe Hong Kong University of Science and Technology(HKUST)KowloonP.R.China School of Science and Engineering Shenzhen Institute of Aggregate Science and TechnologyThe Chinese University of Hong KongShenzhenP.R.China

Glioma is one of the most common malignant tumors of the central nervous system,leading high mortality rates in ***-induced emission(AIE)photosensitizers-based photodynamic therapy(PDT)has emerged as a promising therapeutic strategy for least-invasive treatment of glioma,which involves local irradiation of the tumor using an external near-infrared(NIR)***,most AIE photosensitizers suffered from poorly penetration of the visible light excitation,bad spatiotemporal resolution in deep tissues and low efficient blood-brain barrier(BBB)crossing ability,which greatly limited the clinical practice of AIE photosensitizers for especially deep-seated brain tumor *** this work,we developed a multifunctional NIR-driven theranostic agent through hybrid of AIE photosensitizers TIND with rare-earth doping nanoparticles(RENPs)NaGdF4:Nd/Yb/Tm with up/down dual-mode conversion *** theranostic agent was further decorated with D-type neuropeptide DNPY for crossing BBB and targeting *** the 808-nm light irradiation,the down-conversion NIR-II luminescence could indicate the position glioma and the upconversion NIR-I luminescence could trigger the AIE photosensitizers producing reactive oxygen species to inhibit orthotopic glioma tumor growth in *** results demonstrate that the integration of Dtype neuropeptide,AIE photosensitizers and RENPs could be promising candidates for in vivo NIR-II fluorescence image-guided through-skull PDT treatments of brain tumors.

关键词： aggregation-induced emission D-type neuropeptide glioma photodynamic therapy rare-earth doping nanoparticles

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中国城市PM_(2.5)污染暴露不平等及其驱动因素——基于Theil指数和LMDI分解

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中国环境科学 2024年第1期44卷 555-566页

作者：马本秦露夏天辰中国人民大学环境学院北京100872

聚焦大气污染物PM_(2.5),对2015~2021年污染物浓度进行人口规模赋权,构建中国城市PM_(2.5)污染暴露水平指标,基于GINI系数和Theil指数测度污染暴露不平等,并按城市行政层级、省份进行差异分解;基于对数平均迪氏指数分解法(LMDI),分别对... 详细信息

聚焦大气污染物PM_(2.5),对2015~2021年污染物浓度进行人口规模赋权,构建中国城市PM_(2.5)污染暴露水平指标,基于GINI系数和Theil指数测度污染暴露不平等,并按城市行政层级、省份进行差异分解;基于对数平均迪氏指数分解法(LMDI),分别对污染暴露水平、不平等程度进行驱动因素分解,探究其变化背后的社会经济因素.结果表明:中国城市PM_(2.5)污染暴露不平等总体温和,GINI系数保持在0.2以内且呈递减趋势.不同行政级别城市间未表现出污染暴露不平等,而省际差异对污染暴露不平等的贡献达68.4%;总体上能源的污染暴露乘数、政府绿色支出能耗强度是PM_(2.5)污染暴露水平的主要抑制因素,对污染暴露水平的驱动贡献超过60%.政府支出结构、支出规模、经济发展和人口因素对PM_(2.5)污染暴露起促增作用,但各因素在不同层级的城市间具有异质性;能源的污染暴露乘数、绿色支出能耗强度对不平等的动态抑制作用弱化,主要依靠能源绿色化的治污策略面临挑战.据此提出更好发挥政府作用,持续降低中国PM_(2.5)污染暴露水平,实现环境公共服务更加均等化的政策启示.

关键词：大气质量污染暴露水平环境不平等泰尔指数动态因素分解 PM_(2.5)

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Synthesis of highly stable Ni nanoparticles via electrostatic self-assembly for enhanced hydrogen storage of MgH2

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Rare Metals 2024年第9期43卷 4356-4366页

作者： qin-Ke tang Jiang-Chuan Liu Rui Shi Yun-Feng Zhu Ji-Guang Zhang Ya-Na Liu Jun Wang Yao Zhang Xiao-Hui Hu Zhi-Bin Liu Li-Quan Li College of Materials Science and Engineering Jiangsu Collaborative Innovation Centre for Advanced Inorganic Function CompositesNanjing Tech University School of Materials Science and Engineering Southeast University

Magnesium-based hydrides have been widely recognized as an appropriate choice for solid-state hydrogen ***,its undesirable thermodynamics and sluggish hydrogenation/dehydrogenation kinetics are major bottlenecks for its ***,a highly stable and highly dispersed Ni-based catalyst （Ni/Al2O3/GN） was fabricated to promote the hydrogen storage performance of MgH2via the electrostatic effect of NiAl-LDH/GN precursor with a co-calcination reduction ***2-5wt % Ni/Al2O3/GN exhibits excellent hydrogen storage performance,releasing about 5.7 wt % hydrogen in 3500 s at 250℃,and can reach a saturation hydrogen absorption of about 6.15 wt% in 3000 s at 100℃.Furthermore,it also shows low dehydrogenation apparent activation energy of 89.1 and 118.2 kJ·***,the catalyst ensures the stability of both the physical phase and structure during ball milling and cycling *** role of each phase in Ni/Al2O3/GN on the hydrogen storage performance of MgH2was also discussed through experiments and theoretical calculation,and the synergistic catalytic mechanism of Ni/Al2O3/GN was clearly *** work provides a unique perspective for the preparation of highly stable and highly dispersible catalysts.

关键词： Catalytic mechanism Hydrogen storage performance Magnesium hydride Ni/Al2O3/GN

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Adaptive ultra-hypofractionated whole-pelvic radiotherapy in high-risk and very high-risk prostate cancer on 1.5-Tesla MR-Linac:Estimated delivered dose and early toxicity results

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Chronic Diseases and Translational Medicine 2024年第1期10卷 51-61页

作者： Linrui Gao Ran Wei Shirui qin Yuan Tian Wenlong Xia Yongwen Song Shulian Wang Hui Fang Yu tang Hao Jing Yueping Liu Yuan tang Shunan Qi Bo Chen Yexiong Li Nianzeng Xing Ningning Lu Department of Radiation Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina GCP Center/Clinical Research Center National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina Department of Urology State Key Laboratory of Molecular OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina

Background: Magnetic resonance(MR)-guided ultra-hypofractionated radiotherapy with whole-pelvic irradiation(UHF-WPRT)is a novel approach to radiotherapy for patients with high-risk(HR)and very high-risk(VHR)prostate cancer(PCa).However,the inherent complexity of adaptive UHF-WPRT might inevitably result in longer on-couch *** aimed to estimate the delivered dose,study the feasibility and safety of adaptive UHF-WPRT on a 1.5-Tesla ***: Ten patients with clinical stage T3a-4N0-1M0-1c PCa,who consecutively received UHF-WPRT,were enrolled *** contours of the target and organ-at-risks on the position verification-MR(PV-MR),beam-on 3D-MR(Bn-MR),and post-MR(after radiotherapy delivery)were derived from the pre-MR data by deformable image *** physician then manually adjusted them,and dose recalculation was performed *** Prism 9(GraphPad Prism Software Inc.)was utilized for conducting statistical ***: In total,we collected 188 MR scans(50 pre-MR,50 PV-MR,44 Bn-MR,and 44 post-MR scans).With median 59 min,the mean prostate clinical target volume(CTV)-V_(100%)was 98.59%±2.74%,and the mean pelvic CTVp-V_(100%)relative percentages of all scans was 99.60%±1.18%.The median V29 Gy change in the rectal wall was−2%(−18%to 20%).With a median follow-up of 9 months,no patient had acute Common Terminology Criteria for Adverse Events(CTCAE)grade 2 or more severe genitourinary(GU)or gastrointestinal(GI)toxicities(0%).Conclusion: UHF-RT to the prostate and the whole pelvis with concomitant boost to positive nodes using an Adapt-To-Shape(ATS)workflow was technically feasible for patients with HR and VHR PCa,presenting only mild GU and GI *** estimated target dose during the beam-on phase was clinically acceptable based on the 3D-MR-based dosimetry *** trial registration Chinese Clinical Trial Registry ChiCTR2000033382.

关键词： dosimetry hypofractionation magnetic resonance imaging prostate cancer radiation dose radiotherapy

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Metal-Free,Site-Selective C-H Fluorination of Heteroarenes Under Visible Light

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CCS Chemistry 2024年第7期6卷 1681-1688页

作者： Cheng Huang Chang-Ming You Yu-Shu qin Rui-Nan Ci Peng Xiao Sheng tang Bin Liu Zhenhong Wei Li-Zhu Wu Hu Cai School of Chemistry and Chemical Engineering Nanchang UniversityNanchangJiangxi 330031 Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and ChemistryUniversity of Chinese Academy of SciencesChinese Academy of SciencesBeijing 100190 School of Future Technology University of Chinese Academy of SciencesBeijing 100049

The site-selective C-H fluorination of heteroarenes is a straightforward approach to accessing valuable heteroaryl fluorides but remains a formidable ***,we report a general strategy for visible-light-induced C-H fluorination of heteroarenes via the merger of N-F fluorinating reagents and *** paramagnetic resonance experiments provide evidence for the homolytic cleavage of the N-F bond under blue light-emitting diode irradiation,which is the key step in the *** transformation is metal-free,photocatalysts-free,and site-selective under mild reaction conditions(ambient temperature,visible-light irradiation,tolerant to H2O).The robustness of this protocol has also been highlighted by late-stage modification of complex and medicinally relevant molecules.

关键词： selective C-H fluorination heteroaryl fluorides C(sp^(2))-F bond formation photochemistry radical chemistry

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