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Designing Symmetric Gradient Honeycomb Structures with Carbon‑Coated Iron‑Based Composites for High‑Efficiency Microwave Absorption

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Nano-Micro Letters 2024年第11期16卷 224-241页

作者： Yu Zhang Shu‑Hao Yang Yue Xin Bo Cai peng‑Fei Hu Hai‑Yang Dai Chen‑Ming Liang yun‑Tong Meng Ji‑Hao Su Xiao‑Juan Zhang Min Lu Guang‑Sheng Wang School of Chemistry Beihang UniversityBeijing 100191People’s Republic of China School of Electronics and Information Zhengzhou University of Light IndustryZhengzhou 450002People’s Republic of China School of Chemical Engineering Northeast Electric Power UniversityJilin 132000People’s Republic of China College of Chemistry and Materials Engineering Beijing Technology and Business UniversityBeijing 100048People’s Republic of China

The impedance matching of absorbers is a vital factor affecting their microwave absorption(MA)*** this work,we controllably synthesized Material of Institute Lavoisier 88C(MIL-88C)with varying aspect ratios(AR)as a precursor by regulating oil bath conditions,followed by one-step thermal decomposition to obtain carbon-coated iron-based *** the precursor MIL-88C(Fe)preparation conditions,such as the molar ratio between metal ions and organic ligands(M/O),oil bath temperature,and oil bath time,influenced the phases,graphitization degree,and AR of the derivatives,enabling low filler loading,achieving well-matched impedance,and ensuring outstanding MA *** MOF-derivatives 2(MD_(2))/polyvinylidene Difluoride(PVDF),MD_(3)/PVDF,and MD4/PVDF absorbers all exhibited excellent MA properties with optimal filler loadings below 20 wt%and as low as 5 wt%.The MD_(2)/PVDF(5 wt%)achieved a maximum effective absorption bandwidth(EAB)of 5.52 GHz(1.90 mm).The MD_(3)/PVDF(10 wt%)possessed a minimum reflection loss(RL_(min))value of−67.4 at 12.56 GHz(2.13 mm).A symmetric gradient honeycomb structure(SGHS)was constructed utilizing the high-frequency structure simulator(HFSS)to further extend the EAB,achieving an EAB of 14.6 GHz and a RL_(min) of−59.0 *** research offers a viable inspiration to creating structures or materials with high-efficiency MA properties.

关键词： MIL-88C(Fe) Fe/Fe_(3)O_(4)/Fe_(3)C@C Controllable preparation Symmetric gradient honeycomb structure Microwave absorbing

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Vulnerable brain regions in adolescent major depressive disorder:A resting-state functional magnetic resonance imaging activation likelihood estimation meta-analysis

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World Journal of Psychiatry 2024年第3期14卷 456-466页

作者： Hui Ding Qin Zhang Yan-Ping Shu Bin Tian Ji peng Yong-Zhe Hou Gang Wu Li-yun Lin Jia-Lin Li Department of Radiology The Second People’s Hospital of Guizhou ProvinceGuiyang 550000Guizhou ProvinceChina Department of Radiology Guizhou Provincial People’s HospitalGuiyang 550000Guizhou ProvinceChina Department of Psychiatry of Women and Children The Second People's Hospital of Guizhou ProvinceGuiyang 550000Guizhou ProvinceChina Department of Radiology Zhijin County People's HospitalBijie 552100Guizhou ProvinceChina Medical Humanities College Guizhou Medical UniversityGuiyang 550000Guizhou ProvinceChina

BACKGROUND Adolescent major depressive disorder(MDD)is a significant mental health concern that often leads to recurrent depression in ***-state functional magnetic resonance imaging(rs-fMRI)offers unique insights into the neural mechanisms underlying this ***,despite previous research,the specific vulnerable brain regions affected in adolescent MDD patients have not been fully *** To identify consistent vulnerable brain regions in adolescent MDD patients using rs-fMRI and activation likelihood estimation(ALE)*** We performed a comprehensive literature search through July 12,2023,for studies investigating brain functional changes in adolescent MDD *** utilized regional homogeneity(ReHo),amplitude of low-frequency fluctuations(ALFF)and fractional ALFF(fALFF)*** compared the regions of aberrant spontaneous neural activity in adolescents with MDD vs healthy controls(HCs)using *** Ten studies(369 adolescent MDD patients and 313 HCs)were *** the ReHo and ALFF/fALFF data,the results revealed that the activity in the right cuneus and left precuneus was lower in the adolescent MDD patients than in the HCs(voxel size:648 mm3,P<0.05),and no brain region exhibited increased *** on the ALFF data,we found decreased activity in the right cuneus and left precuneus in adolescent MDD patients(voxel size:736 mm3,P<0.05),with no regions exhibiting increased *** Through ALE meta-analysis,we consistently identified the right cuneus and left precuneus as vulnerable brain regions in adolescent MDD patients,increasing our understanding of the neuropathology of affected adolescents.

关键词： Major depressive disorder Resting-state functional magnetic resonance imaging Adolescent Activation likelihood estimation Meta-analysis

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Decoupling of temporal/spatial broadening effects in Doppler wind LiDAR by 2D spectral analysis

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Chinese Physics B 2024年第3期33卷 447-452页

作者：刘珍张云鹏竹孝鹏刘继桥毕德仓陈卫标 Space Laser Engineering Department Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghai 201800China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China

Pulse echo accumulation is commonly employed in coherent Doppler wind LiDAR(light detection and ranging)under the assumption of steady ***,the measured spectral data are analyzed in the time dimension and frequency dimension to cope with the temporal wind shear and achieve the optimal accumulation time.A hardware-efficient algorithm combining the interpolation and cross-correlation is used to enhance the wind retrieval accuracy by reducing the frequency sampling interval and then reduce the spectral width calculation ***,the temporal broadening effect and spatial broadening effect are decoupled according to the strategy we developed.

关键词： Doppler wind LiDAR spectral analysis hardware efficiency spectrum broadening effects

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Anti-metabolic agent pegaspargase plus PD-1 antibody sintilimab for first-line treatment in advanced natural killer T cell lymphoma

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Signal Transduction and Targeted Therapy 2024年第4期9卷 1665-1674页

作者： Jie Xiong Shu Cheng Xiao Gao Shan-He Yu Yu-Ting Dai Xin-yun Huang Hui-Juan Zhong Chao-Fu Wang Hong-Mei Yi Hao Zhang Wei-Guo Cao Rong Li Wei Tang Yan Zhao peng-peng Xu Li Wang Wei-Li Zhao Shanghai Institute of Hematology State Key Laboratory of Medical GenomicsNational Research Center for Translational Medicine at ShanghaiRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina Department of Nuclear Medicine Shanghai Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Department of Pathology Shanghai Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Department of Otolaryngology Shanghai Rujin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Department of Radiation Shanghai Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Department of Hematology Navy Medical Center of PLAShanghaiChina Pole de Recherches Sino-Francais en Science du Vivant et Genomique Laboratory of Molecular PathologyShanghaiChina

Natural killer T cell lymphoma(NKTCL)is highly aggressive,with advanced stage patients poorly responding to intensive *** explore effective and safe treatment for newly diagnosed advanced stage NKTCL,we conducted a phase ll study of anti-metabolic agent pegaspargase plus PD-1 antibody sintilimab(NCT04096690).Twenty-two patients with a median age of 51 years(range,24-74)were enrolled and treated with induction treatment of pegaspargase 2500 IU/m2 intramuscularly on day 1 and sintilimab 200 mg intravenously on day 2 for 6 cycles of 21 days,followed by maintenance treatment of sintilimab 200 mg for 28 cycles of 21 *** complete response and overall response rate after induction treatment were 59%(95%Cl,43-79%)and 68%(95%Cl,47-84%),*** a median follow-up of 30 months,the 2 year progression-free and overall survival rates were 68%(95%Cl,45-83%)and 86%(95%Cl,63-95%),*** most frequently grade 3/4 adverse events were neutropenia(32%,n=7)and hypofibrinogenemia(18%,n=4),which were manageable and led to no discontinuation of *** proportion score of PD-L1,peripheral blood high-density lipoprotein cholesterol,and apolipoprotein A-l correlated with good response,while PD-1 on tumor infiltrating lymphocytes and peripheral Treg cells with poor response to pegaspargase plus sintilimab *** conclusion,the chemo-free regimen pegaspargase plus sintilimab was effective and safe in newly diagnosed,advanced stage *** lipid profle and immunosuppressive signature contributed to treatment resistance,providing an alternative therapeutic approach dual targeting fatty acid metabolism and CTLA-4 in NKTCL.

关键词： killer metabolism lymphoma

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Epitaxial quasi-2D/3D hybrid perovskite heterojunctions for photodetector with enhanced detectivity and stability

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Nano Research 2024年第7期17卷 6594-6602页

作者： Yifu Chen Lin Zhang Xinxin peng Weiran Qin Shiqing Li Yingwei Wang Zhihui Chen Si Xiao Bin Yang Biao Liu Junliang Yang Han Huang yun Lin Jun He Liming Ding Yongbo Yuan Hunan Key Laboratory of Super Microstructure and Ultrafast Process School of PhysicsCentral South UniversityChangsha 410083China Hunan Key Laboratory of Nanophotonics and Devices School of PhysicsCentral South UniversityChangsha 410083China College of Materials Science and Engineering Hunan UniversityChangsha 410082China Department of Photoelectric Information School of PhysicsCentral South UniversityChangsha 410083China Center for Excellence in Nanoscience Key Laboratory of Nanosystem and Hierarchical FabricationNational Center for Nanoscience and TechnologyChinese Academy of ScienceBeijing 100190China

Although numerous metal halide perovskite materials have been investigated in the field of optoelectronic,the development of perovskite heterojunctions with exotic structures is still ***,we report the epitaxial growth of quasi-two-dimensional(Q-2D)perovskites on methylammonium lead iodide(MAPbI_(3))single crystals to form perovskite heterojunctions with interfacial *** MAPbI_(3)adjacent to epitaxial Q-2D perovskite shows blue shifted photoluminescence with shortened lifetime,which becomes significant with the reduced layer number of the Q-2D *** findings suggest the presence of an interfacial strain gradient leading to enhanced photocarrier ***,compared to the MAPbI_(3)single crystal detector,the BA_(2)MAPb_(2)I_(7)/MAPbI_(3)(BA:n-butylamine)heterojunction-based photodetector demonstrates a bandpass detecting property and exhibits 5 times enhanced external quantum efficiency and 83 times enhanced specific detectivity(D*=3.26×10^(11)Jones).Remarkably,the unencapsulated BA_(2)MAPb_(2)I_(7)/MAPbI_(3)heterojunction is stable in ambient condition for>300 *** Q-2D/3D heterojunction shows suppressed ion inter-diffusion due to the presence of Q-2D phase.

关键词： epitaxial growth interfacial strain quasi-two-dimensional/three-dimensional(Q-2D/3D)heterojunctions ion inter-diffusion

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Spatiotemporal drivers of urban water pollution:Assessment of 102 cities across the Yangtze River Basin

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Environmental Science and Ecotechnology 2024年第4期20卷 300-314页

作者： Yi-Lin Zhao Han-Jun Sun Xiao-DanWang Jie Ding Mei-yun Lu Ji-Wei Pang Da-peng Zhou Ming Liang Nan-Qi Ren Shan-Shan Yang State Key Laboratory of Urban Water Resource and Environment School of EnvironmentHarbin Institute of TechnologyHarbin 150090China China Energy Conservation and Environmental Protection Group Beijing 100082China China Energy Conservation and Environmental Protection Group CECEP Digital Technology Co.Ltd.Beijing 100089China China Railway Engineering Design and Consulting Group Co. Ltd.Beijing 100055China

Effective management of large basins necessitates pinpointing the spatial and temporal drivers of primary index exceedances and urban risk factors,offering crucial insights for basin ***,comprehensive examinations of multiple pollutants within the Yangtze River Basin remain *** we introduce a pollution inventory for urban clusters surrounding the Yangtze River Basin,analyzing water quality data from 102 cities during *** assessed the exceedance rates for six pivotal indicators:dissolved oxygen(DO),ammonia nitrogen(NH_(3)-N),chemical oxygen demand(COD),biochemical oxygen demand(BOD),total phosphorus(TP),and the permanganate index(COD_(Mn))for each *** random forest regression and SHapley Additive exPlanations(SHAP)analyses,we identified the spatiotemporal factors influencing these key *** results highlight agricultural activities as the primary contributors to the exceedance of all six indicators,thus pinpointing them as the leading pollution source in the ***,forest coverage,livestock farming,chemical and pharmaceutical sectors,along with meteorological elements like precipitation and temperature,significantly impacted various indicators'***,we delineate five core urban risk components through principal component analysis,which are(1)anthropogenic and industrial activities,(2)agricultural practices and forest extent,(3)climatic variables,(4)livestock rearing,and(5)principal polluting *** cities were subsequently evaluated and categorized based on these risk components,incorporating policy interventions and administrative performance within each *** comprehensive analysis advocates for a customized strategy in addressing the discerned risk factors,especially for cities presenting elevated risk levels.

关键词： Basin management Primary indices Urban risk factors Yangtze river basin Local conditions

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Precise determination of the pole position of the exotic Z_(c)(3900)

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Science China(Physics,Mechanics & Astronomy) 2024年第9期67卷 84-90页

作者： yun-Hua Chen Meng-Lin Du Feng-Kun Guo School of Mathematics and Physics University of Science and Technology BeijingBeijing 100083China School of Physics University of Electronic Science and Technology of ChinaChengdu 611731China CAS Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China School of Physical Sciences University of Chinese Academy of SciencesBeijing 100049China peng Huanwu Collaborative Center for Research and Education Beihang UniversityBeijing 100191China

We perform a unified description of the experimental data of the π^(+)π^(-)and J/ψπ^(±)invariant mass spectra for e^(+)e^(-)→J/ψπ^(+)π^(-)and the D^(0)D^(*-)mass spectrum for e^(+)e^(-)→D^(0)D^(*-)π^(+)at e^(+)e^(-)center-of-mass energies 4.23 and 4.26 *** analysis takes into account open-charm meson loops that contain triangle singularities,the J/ψπ-DD^(*)coupled-channel interaction respecting unitarity,and the strong ππ-KK final state interaction using dispersion *** analysis leads to a precise determination of the Z_(c)(3900)pole with the pole mass and width(3880.7±1.7_(stat)±22.4_(syst))MeV and(35.9±1.4_(stat)±15.3_(syst))MeV,respectively,and hints at that the DD^(*)molecular and non-molecular components are of similar importance in the Z_(c)(3900)formation.

关键词： exotic hadrons dispersion relations final state interaction triangle singularity

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Quercetin:Preparation and Antitumor Effects on Mice Bladder Carcinoma in Vivo

Quercetin:Preparation and Antitumor Effects on Mice Bladder ...

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The 12th Asian Pacific Confederation of Chemical Engineering Congress

作者： Xiao-Hong Shu Yu-hong Zhen Chuan-gang Li~* Mo-lin LI yun-peng diao Xiao-chi Ma Shan-shan Huang Bao-jing Zhang Sa Deng Hou-li Zhang Bing Sun Xu Yan Dalian Medical University,Dalian 116044,China

Quercetin(3,3,4,5,7-pentahydroxyflavone) is naturally-occurring flavonol occurring in many natural foods,and has a number of biological properties which may be beneficial to human *** we improved the preparation metho... 详细信息

关键词： quercetin preparation antiumor bladder cancer in vivo

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Crohn’s disease as the intestinal manifestation of pan-lymphatic dysfunction:An exploratory proposal based on basic and clinical data

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World Journal of Gastroenterology 2024年第1期30卷 34-49页

作者： Yu-Wei Zhou Yue Ren Miao-Miao Lu Ling-Ling Xu Wei-Xin Cheng Meng-Meng Zhang Lin-Ping Ding Dong Chen Jian-Guo Gao Juan Du Ci-Liang Jin Chun-Xiao Chen yun-Fei Li Tao Cheng peng-Lei Jiang Yi-Da Yang peng-Xu Qian peng-Fei Xu Xi Jin Department of Gastroenterology The First Affiliated Hospital of Zhejiang University School of MedicineHangzhou 310003Zhejiang ProvinceChina Department of Gastroenterology The Second Hospital of JiaxingJiaxing 314000Zhejiang ProvinceChina Endoscopy Center Children’s Hospital of Zhejiang University School of MedicineHangzhou 310003Zhejiang ProvinceChina Department of Gastroenterology The Second People’s Hospital of Yuhang DistrictHangzhou 310000Zhejiang ProvinceChina Department of Gastroenterology Hangzhou Shangcheng District People’s HospitalHangzhou 310003Zhejiang ProvinceChina Department of Colorectal Surgery The First Affiliated Hospital of Zhejiang University School of MedicineHangzhou 310003Zhejiang ProvinceChina Department of Gastroenterology The First Affiliated Hospital of Wenzhou Medical UniversityWenzhou 325000Zhejiang ProvinceChina Women’s Hospital and Institute of Genetics Zhejiang University School of MedicineHangzhou 310000Zhejiang ProvinceChina Center of Stem Cell and Regenerative Medicine and Bone Marrow Transplantation CenterThe First Affiliated Hospital of Zhejiang University School of MedicineHangzhou 310003Zhejiang ProvinceChina Department of Infectious Disease The First Affiliated Hospital of Zhejiang University School of MedicineHangzhou 310003Zhejiang ProvinceChina

Crohn’s disease(CD)is caused by immune,environmental,and genetic *** can involve the entire gastrointestinal tract,and although its prevalence is rapidly increasing its etiology remains *** biological and small-molecule drugs have advanced the treatment of CD;however,a considerable proportion of patients are non-responsive to all known *** achieve a breakthrough in this field,innovations that could guide the further development of effective therapies are of utmost *** this review,we first propose the innovative concept of pan-lymphatic dysfunction for the general distribution of lymphatic dysfunction in various diseases,and suggest that CD is the intestinal manifestation of pan-lymphatic dysfunction based on basic and clinical preliminary *** supporting evidence is fully summarized,including the existence of lymphatic system dysfunction,recognition of the inside-out model,disorders of immune cells,changes in cell plasticity,partial overlap of the underlying mechanisms,and common gut-derived fatty and bile acid *** benefit of this novel concept is that it proposes adopting the zebrafish model for studying intestinal diseases,especially CD,as this model is good at presenting and mimicking lymphatic *** importantly,the ensuing focus on improving lymphatic function may lead to novel and promising therapeutic strategies for CD.

关键词： Inflammatory bowel disease Crohn’s disease Lymphatic system Inside-out model Immune cells Zebrafish

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3M syndrome patient with a novel mutation:A case rep

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World Journal of Clinical Cases 2024年第8期12卷 1454-1460页

作者： Ming-Ran Luo Si-Ming Dai Yin Li Qian Wang Hao Liu peng Gao Jia-yun Liu Jian Chen Shu-Jie Zhao Guo-Yong Yin Department of Orthopedics The First Affiliated Hospital of Nanjing Medical UniversityNanjing 210029Jiangsu ProvinceChina

BACKGROUND A rare autosomal recessive genetic disorder,3M syndrome,is characterized by severe intrauterine and postnatal growth *** with 3M syndrome typically exhibit short stature,facial deformities,long tubular bones,and high vertebral bodies but generally lack mental abnormalities or other organ *** genes associated with 3M syndrome include CUL7,OBSL1 and *** clinical and molecular characteristics of patient with 3M syn-drome are unique and serve as important diagnostic *** SUMMARY In this case,the patient displayed square shoulders,scoliosis,long slender tubular bones,and normal neurological ***,the patient did not exhibit the typical dysmorphic facial features,relative macrocephaly,or growth retardation commonly observed in individuals with 3M *** exon sequencing revealed a novel heterozygous c.56681+1G>C(Splice-3)variant and a previously reported nonsense heterozygous c.3341G>A(***1114Ter)variant of ***,it is important to note that the clinical features of 3M syndrome may not always be observable,and genetic confirmation is often ***,the identification of the c.5683+1G>C variant in OBSL1 is notewor-thy because it has not been previously reported in public *** Our study identified a new variant(c.5683+1G>C)of OBSL1 that contributes to expanding the molecular profile of 3M syndrome.

关键词： 3M syndrome CUL7 OBSL1 CCDC8 Autosomal recessive Case report

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