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中华新生儿科杂志（中英文） 2025年第2期40卷 115-118页

作者：邓泂谭全桢姜乃心闵印长张杨桑田北京大学第一医院儿童医学中心儿内科，北京　102627 北京大学第一医院内分泌内科，北京　100034

妊娠期甲状腺功能异常包括临床和亚临床甲状腺功能减退症、低甲状腺素血症、甲状腺自身抗体阳性以及甲状腺功能亢进症等。母体甲状腺功能异常可能导致子代认知功能受损。本文对妊娠期不同类型甲状腺功能异常与子代神经系统预后的关系进... 详细信息

妊娠期甲状腺功能异常包括临床和亚临床甲状腺功能减退症、低甲状腺素血症、甲状腺自身抗体阳性以及甲状腺功能亢进症等。母体甲状腺功能异常可能导致子代认知功能受损。本文对妊娠期不同类型甲状腺功能异常与子代神经系统预后的关系进行综述。

关键词：妊娠甲状腺功能异常子代神经发育预后

RHOBTB2 gene associated epilepsy and paroxysmal movement disorder:two cases report and literature review

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Acta Epileptologica 2021年第1期3卷 126-133页

作者： Xueyang Niu Yan Sun Ying Yang Miaomiao Cheng quanzhen tan Jie Zhang Yuehua Zhang Department of Pediatrics Peking University First HospitalBeijing 100034China Department of Neurology Pediatric Patients’s Hospital of Xinjiang Uygur Autonomous RegionUrumqi 830001China

Background:RHOBTB2 gene is associated with developmental and epileptic encephalopathy-64(DEE-64),which is characterized by epilepsy,developmental delay,microcephaly,unspecific facial dysmorphism,and paroxysmal movement *** previous studies showed that the phenotypes of RHOBTB2 gene include developmental and epileptic encephalopathy(DEE)and DEE with paroxysmal movement *** one study showed that patient with RHOBTB2 variant had paroxysmal movement disorders with no *** presentations:Two cases with RHOBTB2 variants are presented here:Case one was diagnosed as DEE,he had recurrent afebrile focal status epilepticus and paroxysmal extrapyramidal symptoms in *** electroencephalogram(EEG)showed focal *** magnetic resonance imaging(MRI)showed cortical *** of case one was ***,case two only showed paroxysmal movement disorders alone in *** EEG showed focal discharges during an interictal dystonic episode and he brain MRI was ***:The phenotypes of RHOBTB2 gene include DEE,paroxysmal movement disorders,and DEE with paroxysmal movement ***2 can be one of the pathogenic genes of paroxysmal movement disorders.

关键词： RHOBTB2 Gene Epilepsy Paroxysmal movement disorders

Apolipoprotein E elicits targetdirected miRNA degradation to maintain neuronal integrity

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Neural Regeneration Research 2025年第9期20卷 2577-2578页

作者： Jiazi tan Chin-Tong Ong Temasek Life Sciences Laboratory National University of SingaporeSingapore Department of Biological Sciences National University of SingaporeSingapore

Apolipoprotein E has diverse functions in neurons:Apolipoprotein E(ApoE)is a glycoprotein that primarily regulates lipid metabolism and transport in the central nervous *** are three predominant human ApoE protein isoforms with cysteine and arginine substitutions at amino acid positions 112 and 158 that impact their lipidation and related functions(Flowers and Rebeck,2020).ApoE2 is characterized by Cys112 and Cys158,ApoE3 by Cys112 and Arg158,whereas ApoE4 contains Arg112 and Arg158.

关键词： metabolism glycoprotein maintain

Growth of CeCo-MOF in dendritic mesoporous organosilica as highly efficient antioxidant for enhanced thermal stability of silicone rubber

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Chinese Chemical Letters 2025年第1期36卷 381-386页

作者： Guizhi Zhu Junrui tan Longfei tan Qiong Wu Xiangling Ren Changhui Fu Zhihui Chen Xianwei Meng State Key Laboratory of Cryogenic Science and Technology Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190China School of Materials Science and Engineering Changzhou UniversityChangzhou 213164China

High-efficient rubber antioxidants for enhanced heat resistance without compromising mechanical properties remain an enormous and long-term challenge for the rubber ***,we employed the in-situ growth of Ce-doped Co-metal-organic framework(Ce Co-MOF)in dendritic mesoporous organosilica nanoparticles(DMONs@Ce Co-MOF,denoted as DCCM)to prepare a novel antioxidant that exhibit outstanding thermal *** mesoporous organosilica nanoparticles(DMONs)effectively alleviated the incompatibility of Ce Co-MOF in the polymer matrix,and the effective scavenging of free radicals was attributed to the various oxidation states of metal ions in Ce ***,by adding only0.5 phr(parts per hundred of rubber)of DMONs@Ce Co-MOF to silicone rubber,(SR),the retention rate of tensile strength increased from 37.3%to 61.6%after aging 72 h at 250℃,and the retention rate of elongation at break of DCCM/SR1 composites reached 68%,which was 5.43 times of *** strategy of anchoring MOFs on the surface of silica also provides a viable method for preparing effective compound functionalized rubber antioxidant.

关键词： Mesoporous organosilica nanoparticles Silicone rubber Metal-organic framework Antioxidants Thermal stability Thermal oxidative degradation

Copper-catalyzed C–H bond functionalization enabled by programmed alternating current

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Science China Chemistry 2025年第1期68卷 10-11页

作者： Zhoumei tan Kun Xu Chengchu Zeng Beijing Key Laboratory of Environmental and Viral Oncology College of Chemistry and Life ScienceBeijing University of TechnologyBeijing 100124China

Synthetic electrochemistry has been selected as one of the Top Ten Emerging Technologies in Chemistry in 2023 by International Union of Pure and Applied Chemistry(IUPAC)^([1]).It has emerged as a sustainable platform for organic synthesis and has exhibited a wide range of applications from academia to industry^([2]).However,electrosynthesis has been predominantly performed by using direct current(DC).

关键词： catalyzed Copper IUPAC

以孤立性扩张型心肌病起病的晚发型丙酸血症1例

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中华儿科杂志 2023年第4期61卷 365-367页

作者：慎丽丹徐文瑞李尚茹谭全桢张清友北京大学第一医院儿科北京100034

15岁患儿因“2个月余前运动后意识丧失伴心搏骤停1次”入北京大学第一医院,临床表现为运动后猝倒、意识丧失,呼吸、心搏骤停,外院予心肺复苏后自主呼吸、循环恢复,并予慢性抗心力衰竭、高压氧、肢体康复等治疗。超声心动图检查示左心室... 详细信息

15岁患儿因“2个月余前运动后意识丧失伴心搏骤停1次”入北京大学第一医院,临床表现为运动后猝倒、意识丧失,呼吸、心搏骤停,外院予心肺复苏后自主呼吸、循环恢复,并予慢性抗心力衰竭、高压氧、肢体康复等治疗。超声心动图检查示左心室扩大伴心功能减低,全外显子测序发现PCCB基因复合杂合变异(c.184-2A>G和c.647T>C)。予慢性抗心力衰竭、饮食指导、能量合剂及大剂量辅酶Q_(10)等治疗3个月后,心脏扩大及心功能较前改善。

关键词：心搏骤停心脏扩大意识丧失晚发型扩张型心肌病自主呼吸肢体康复能量合剂

Aerodynamic Optimization and Flow Mechanism for a Compressor Cascade at Low Reynolds Number

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Journal of Thermal Science 2025年第1期34卷 92-109页

作者： LI Lin ZHANG Jianshe CHEN Caiyan tan Wei ZHANG Yanfeng Key Laboratory of Light-Duty Gas-Turbine Institute of Engineering ThermophysicsChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China National Key Laboratory of Science and Technology on Advanced Light-duty Gas-turbine Beijing 100190China

Low-Reynolds-number effect is an important factor affecting the performance of compressors and other main components of high-altitude long-endurance unmanned aerial *** improve the flow condition and reduce flow loss under the condition of high altitude and low Reynolds number(Re),this paper proposes an optimization process based on a surrogate model,which combines the class-shape transformation method(CST),the Latin hypercube sampling(LHS)method,the light gradient-boosting machine algorithm(LightGBM),and a genetic algorithm(GA)to optimize a high-subsonic compressor *** surrogate model is verified to be accurate and can be used in the optimization *** accuracy of the GA is higher than the other algorithms under common test *** optimization results are verified by numerical simulation,and the flow differences before and after optimization are compared,especially the flow within the boundary *** changing the blade shape,the optimization process adjusts the loading distribution to delay the transition of the optimized blade on the suction surface,which changes the turbulent reattachment in the laminar separation bubble(LSB)into laminar ***,the mixing loss induced by the turbulent reattachment of the LSB and the wake loss of turbulent separation at the trailing edge are significantly reduced,and the performance of the compressor profile is finally *** addition,turbulent separation of the optimized profile is delayed reducing the range of the wake region on the suction *** this optimization process,the reduction of total pressure loss coefficient at Re of 2.5×10^(5),3.5×10^(5),and 4.5×10^(5) are 16.32%,20.76%,and 22.16%,respectively.

关键词： low Reynolds numbers compressor optimization boundary layer transition

Interpreting hourly mass concentrations of PM_(2.5)chemical components with an optimal deep-learning model

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Journal of Environmental Sciences 2025年第5期151卷 125-139页

作者： Hongyi Li Ting Yang Yiming Du Yining tan Zifa Wang State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry(LAPC) Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China Center for Excellence in Regional Atmospheric Environment Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China University of Chinese Academy of Sciences Beijing 100049China Shenyang Environmental Monitoring Center Shenyang 110167China

PM_(2.5)constitutes a complex and diversemixture that significantly impacts the environment,human health,and climate ***,existing observation and numerical simulation techniques have limitations,such as a lack of data,high acquisition costs,andmultiple *** limitations hinder the acquisition of comprehensive information on PM_(2.5)chemical composition and effectively implement refined air pollution protection and control *** this study,we developed an optimal deep learning model to acquire hourly mass concentrations of key PM_(2.5)chemical components without complex chemical *** model was trained using a randomly partitioned multivariate dataset arranged in chronological order,including atmospheric state indicators,which previous studies did not *** results showed that the correlation coefficients of key chemical components were no less than 0.96,and the root mean square errors ranged from 0.20 to 2.11μg/m^(3)for the entire process(training and testing combined).The model accurately captured the temporal characteristics of key chemical components,outperforming typical machine-learning models,previous studies,and global reanalysis datasets(such asModern-Era Retrospective analysis for Research and Applications,Version 2(MERRA-2)and Copernicus Atmosphere Monitoring Service ReAnalysis(CAMSRA)).We also quantified the feature importance using the random forest model,which showed that PM_(2.5),PM_(1),visibility,and temperature were the most influential variables for key chemical *** conclusion,this study presents a practical approach to accurately obtain chemical composition information that can contribute to filling missing data,improved air pollution monitoring and source *** approach has the potential to enhance air pollution control strategies and promote public health and environmental sustainability.

关键词： Pm2.5 chemical composition Hourly mass concentration Deep learning Bayesian optimization Feature importance

Force and impulse multi-sensor based on flexible gate dielectric field effect transistor

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 214-220页

作者： Chao tan Junling Lü Chunchi Zhang Dong Liang Lei Yang Zegao Wang College of Materials Science and Engineering Sichuan UniversityChengdu 610065China The 54th Research Institute of China Electronics Technology Group Corporation Shijiazhuang 050081China

Nowadays,force sensors play an important role in industrial production,electronic information,medical health,and many other ***-dimensional material-based filed effect transistor(2D-FET)sensors are competitive with nano-level size,lower power consumption,and accurate ***,few of them has the capability of impulse detection which is a path function,expressing the cumulative effect of the force on the particle over a period of *** we fabricated the flexible polymethyl methacrylate(PMMA)gate dielectric MoS_(2)-FET for force and impulse sensor *** systematically investigated the responses of the sensor to constant force and varying forces,and achieved the conversion factors of the drain current signals(I_(ds))to the detected impulse(I).The applied force was detected and recorded by I_(ds)with a low power consumption of~30 *** sensitivity of the device can reach~8000%and the 4×1 sensor array is able to detect and locate the normal force applied on ***,there was almost no performance loss for the device as left in the air for two months.

关键词： flexible gate dielectric transistor force sensor impulse sensor force sensor array

Sequence-controlled dynamic covalent units enable decoupling of mechanical and self-healing performance of polymers

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Science China Chemistry 2025年第2期68卷 745-753页

作者： Luzhi Zhang Hongfei Huang Lijie Sun Xiaopeng Ma Hui tan Zhengwei You Respiratory Department Shenzhen Children’s Hospital Affiliated to Shantou University Medical CollegeShenzhen 518038China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringInstitute of Functional MaterialsResearch Base of Textile Materials for Flexible Electronics and Biomedical Applications(China Textile Engineering Society)Shanghai Key Laboratory of Lightweight CompositeShanghai Engineering Research Center of Nano-Biomaterials and Regenerative MedicineDonghua UniversityShanghai 201620China Yangtze Delta Region Institute(Huzhou) University of Electronic Science and Technology of ChinaHuzhou 313001China

Sequence regulation provides an effective approach to controlling the properties of polymer ***,this approach remains an open question in the field of dynamic polymers,which emerge as more and more important new generation ***,we systematically investigate the effect of sequence control of dynamic covalent units in tuning the properties of *** sequence-controlled poly(oxime-urethanes)are *** dynamic oxime-urethane groups are relatively dispersed(SCP-1)or concentrated(SCP-2)distributed in their molecular *** sequence control strategy provides an efficient way to decouple the mechanical and self-healing performance of polymers,which is one of the most pressing challenges in the *** relatively dispersed oxime-urethane groups in SCP-1 not only facilitate the reorganization of the dynamic covalent bonds but also increase the probability of the reformation of hydrogen *** reversible dissociation/reassociation of dynamic bonds is conducive to dissipating energy to enhance mechanical performance and promote self-healing *** a result,SCP-1 exhibits much faster self-healing than SCP-2,and its tensile strength is nearly twice that of *** addition,energy dissipation capacity and degradation behavior also show significant sequence ***,this work reveals a new molecular structure-property relationship and provides a powerful strategy to construct high-performance polymers.

关键词： sequence control dynamic polymer poly(oxime-urethane) strength polyurethane