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In situ formed cross-linked polymer networks as dual-functional layers for high-stable lithium metal batteries

Journal of Energy Chemistry 2023年第4期79卷 253-262页

作者： Lei Shi Wanhui wang chunjuan wang Yang Zhou Yuezhan Feng Tiekun Jia Fang wang Zhiyu Min Ji Hu Zhigang Xue School of Materials Science and Engineering School of Environmental Engineering and ChemistryLuoyang Institute of Science and TechnologyLuoyang 471023HenanChina Key Laboratory for Material Chemistry of Energy Conversion and Storage Ministry of EducationSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074HubeiChina Key Laboratory of Advanced Materials Processing&Mold(Ministry of Education) National Engineering Research Center for Advanced Polymer Processing TechnologyZhengzhou UniversityZhengzhou 450002HenanChina Henan Intelligent Manufacturing Engineering Technology Research Center for Building Profile Luoyang Institute of Science and TechnologyLuoyang 471023HenanChina Henan Province International Joint Laboratory of Materials for Solar Energy Conversion and Lithium Sodium based Battery Luoyang Institute of Science and TechnologyLuoyang 471023HenanChina

Lithium-metal anodes(LMAs)have been recognized as the ultimate anodes for next-generation batteries with high energy density,but stringent assembly-environment conditions derived from the poor moisture stability dramatically hinder the transformation of LMAs from laboratory to ***,an in situ formed cross-linked polymer layer on LMAs is designed and constructed by a facile thiol-acrylate click chemistry reaction between poly(ethylene glycol)diacrylate(PEGDA)and the crosslinker containing multi thiol groups under UV *** to the hydrophobic nature of the layer,the treated LMAs demonstrate remarkable humid stability for more than 3 h in ambient air(70%relative humidity).The coating humid-resistant protective layer also possesses a dual-functional characterization as solid polymer electrolytes by introducing lithium bis(trifluoromethanesulfonyl)imide in the system in *** intimate contact between the polymer layer and LMAs reduces interfacial resistance in the assembled Li/LiFePO_(4)or Li/LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)full cell effectively,and endows the cell with an outstanding cycle performance.

关键词： Lithium-metal anode Humid-resistant protective film Solid-state polymer electrolytes Cross-linked polymers

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Predictors of dysphagia screening and pneumonia among patients with acute ischaemic stroke in China:findings from the Chinese Stroke Center Alliance(CSCA)

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Stroke & Vascular Neurology 2022年第4期7卷 294-301,I0005-I0008页

作者： Jianshu Liang Zhike Yin Zixiao Li Hongqiu Gu Kaixuan Yang Yunyun Xiong Yongjun wang chunjuan wang Nursing Department Beijing Tiantan HospitalCapital Medical UniversityBeijingChina Department of Neurology Vascular NeurologyBeijing Tiantan HospitalCapital Medical UniversityBeijingChina Department of Neurology Vascular NeurologyChina National Clinical Research Center for Neurological DiseasesBeijing Tiantan HospitalCapital Medical UniversityBeijingChina Research Unit of Artificial Intelligence in Cerebrovascular Disease Chinese Academy of Medical SciencesBeijingChina China National Clinical Research Center for Neurological Diseases Beijing Tiantan HospitalCapital Medical UniversityBeijingChina

Background and purpose Guidelines recommend dysphagia screening to identify those at high risk of ***,little is known about the prevalence and predictors of dysphagia screening and pneumonia among patients with acute ischaemic stroke in *** Using data from the Chinese Stroke Center Alliance,which is a multicentre,prospective,consecutive patient enrolment programme,univariate and multivariate analyses were conducted to identify patient and hospital characteristics associated with dysphagia screening and pneumonia during acute *** Of 790811 patients admitted to 1476 hospitals,622718(78.7%)underwent dysphagia screening,and 64398(8.1%)developed *** in stroke units were more likely to be screened for dysphagia than those not in stroke units(OR 1.50;95%CI 1.48 to 1.52),while patients with a past history of stroke were less likely to be screened(OR 0.87;95%CI 0.86 to 0.88).Dysphagia screening(OR 1.46;95%CI 1.30 to 1.65),dysphagia(OR 7.31;95%CI 7.15 to 7.46),and admission to stroke units(OR 1.17;95%CI 1.14 to 1.19)were significantly associated with a greater risk of *** Dysphagia was a critical factor in the development of *** one in five patients with acute ischaemic stroke in the Chinese Stroke Center Alliance were not screened for *** prevention during acute hospitalisation is dependent not only on dysphagia screening but also on the effectiveness of subsequent dysphagia management *** studies are needed to elucidate the relationship between dysphagia screening,stroke unit care and pneumonia in patients with acute ischaemic stroke.

关键词： pneumonia prevention likely

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Neuroprotective effect of high-dose hyperbaric oxygenation on rats with acute cerebral infarction in super-early stage:Curative comparison between 9-hour and 18-hour therapeutic protocols

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Neural Regeneration Research 2007年第11期2卷 649-654页

作者： Lianbi Xue Yongjun wang Qiuhong Yu Hongxia Zhang chunjuan wang Yaling Liu Department of Hyperbaric Oxygenation Beijing Tiantan Hospital Capital Medical University Beijing 100050 China Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing 100050 China

BACKGROUND： Previously, only single short-time low-dose hyperbaric oxygenation （HBO） protocol was administrated to treat acute ischemic stroke in early stage and the conflicting results were obtained. There are few studies to report the outcome of administering long-time （can cover all the natural pathologic progression period） high-dose HBO to treat the disease. OBJECTIVE： To evaluate the therapeutic effect between two kinds of high-dose hyperbaric oxygenation on super-early stage of acute permanent middle cerebral artery occlusion （MCAO） in rats. DESIGN： A randomized controlled experimental study. SETTING： Beijing Tiantan Hospital, Capital Medical University; Beijing Research Institute of Neurosurgery. MATERIALS： Seventy-four male SD rats, aged 2.5 months old, weighing （ 280 ＋ 20） g, were provided by the Animal Institute, Chinese Academy of Medical Sciences. Hyperbaric oxygenation device was hyperbaric air cabin in which there was a self-made pure oxygen animal experimental cabin （made in China）. METHODS： This experiment was carried out in the municipal laboratory of Beijing Tiantan Hospital affiliated to Capital Medical University and Beijing Research Institute of Neurosurgery. ① Experimental intervention： All the rats were developed into models of permanent MCAO by suture embolism. Then, they were randomly divided into two HBO groups （9 hours and 18 hours） and control group, with 24 rats in each as well as 3-hour ultrastructure control group, with 2 rats. After being modeled for 3 hours, rats in the two HBO groups stayed in the hyperbaric cabin for 9 hours and 18 hours, separately. Rats in the 9-hour HBO group inhaled pure oxygen at hours 1, 3, 5, 7 and 9, and hyperbaric air at hours 2, 4, 6 and 8. Rats in the 18-hour HBO group inhaled pure oxygen at hours l, 3, 5, 7, 9, 11, 13, 15 and 17, and hyperbaric air at hours 2, 4, 6, 8, l0 12, 14, 16 and 18. After being created into models, rats in the control group and 3-hour ultrastructure control group breath

关键词： hyperbaric oxygenation middle cerebral artery occlusion neurobehavioral outcome infarct volume ultrastructure

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Turbidite and bottom-current evolution revealed by anisotropy of magnetic susceptibility of redox sediments in the Ulleung Basin,Sea of Japan

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Chinese Science Bulletin 2012年第6期57卷 660-672页

作者： GE ShuLan SHI XueFa LIU YanGuang wang KunShan ZOU JianJun DIAO JingYu ZHU ZhiWei wang chunjuan First Institute of Oceanography State Oceanic AdministrationQingdao 266061China Affiliated Middle School of China Ocean University Qingdao 266003China

Anisotropy of magnetic susceptibility(AMS) from above and below 7.31 m in a core from the southern Ulleung Basin shows clear differences on an equal area projection of the lower *** concentrated steep inclination of K 3 and horizontal inclination of K 1 and K 2(K1 ≥K2 ≥K3) are located within the upper part,and the latter two axes lie perpendicular to each other near the bedding *** contrast,random distribution of the three axes and extremely high value of shape parameters(Q=(K1-K2)/[(K1+K2)/2-K3]) are evident in the lower part,indicating complete destruction of the original sedimentary *** result is consistent with data from X-radiographs,which show numerous conglomerates,distortions and cleavages in the lower *** to age models by Liu et al.(2010) and Zou et al.(2010),the bottom age at 7.31 m is 48 cal ka BP,and the time domain is discussed *** degree of AMS(P) is low,1-1.08,and linearly related to the foliation(F)(R2 =0.95,N=176).The relationship between F and linearity(L) implies oblate aligning patterns that are typically sedimentary in *** least five redox couplets were found with the aid of S ratios and other rock magnetic parameters,and in most cases,the original signals of climate survived early *** paleomagnetically reoriented AMS show corresponding changes with millennial events in the last 48 cal *** tilted K 3 directions and reduction of P and F occurred within DO1-BA warm events,when melt water pulse 1A nd the YD cold event took *** turbulent conditions therein,synchronous with coarsening of sediments,provide evidence of strong bottom currents and possible directional changes,as evidenced by different K3 tilting directions.A NE current direction in the last 4.5 cal ka is consistent with in situ measurements of bottom *** of AMS,mainly to climatic modulation,show on the one hand,the limited influence of diagenesis on rock magnetic signals and,on the other hand,the

关键词：磁化率各向异性电流方向氧化还原沉积物底部盆地日本海早期成岩作用

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Correlation of diffusion tensor imaging and cognitive function in patients with leukoaraiosis

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Neural Regeneration Research 2010年第15期5卷 1190-1195页

作者： Chuanqiang Qu Shougang Guo Hongzhi Guo Xiangshui Meng chunjuan wang Lin Ma Yan He Department of Radiology Qilu Hospital Affiliated to Shandong University Jinan 250012 Shandong Province China Department of Neurology Provincial Hospital Affiliated to Shandong University Jinan 250021 Shandong Province China Department of Neurology Qilu Hospital Affiliated to Shandong University Jinan 250012 Shandong Province China Department of Basic Medicine Shandong Medical College Jinan 250002 Shandong Province China Department of Neurology Second Hospital Affiliated to Shandong University of Traditional Chinese Medicine Jinan 250001 Shandong Province China

Conventional imaging technology does not measure white matter lesions of the brain or cognitive impairment. Diffusion tensor imaging is able to detect changes in the microstructure of white matter, and correlating vascular risk factors with cognitive dysfunction seems feasible using this technique. A total of 60 leukoaraiosis patients and 30 healthy elderly controls received diffusion tensor imaging examination to detect the average diffusion coefficient and fractional anisotropy of leukoaraiosis lesion and normal white matter. Leukoaraiosis severity positively correlated with average diffusion coefficient but negatively correlated with fraction anisotropy. Neuropsychology tests （mini-mental state examination） were related to average diffusion coefficient and fraction anisotropy of normal white matter in leukoaraiosis patients, especially in the anterior horn and centrum semiovale. The average diffusion coefficient and fraction anisotropy of leukoaraiosis displayed characteristic changes. Therefore, diffusion tensor imaging can detect the macrostructural changes in white matter with normal magnetic resonance imaging, and these changes are related to cognitive function. Application of diffusion tensor imaging techniques to analyze the correlation between vascular risk factors and cognitive dysfunction is feasible.

关键词： diffusion tensor imaging cognitive function leukoaraiosis elderly magnetic resonance imaging neural regeneration

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GRP per capita and hospital characteristics associated with intravenous tissue plasminogen activator adherence rate:evidence from the Chinese Stroke Center Alliance

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Stroke & Vascular Neurology 2021年第3期6卷 337-343,I0001-I0005页

作者： Suxi Zheng Tian Jie Lyu Zixiao Li Hongqiu Gu Xin Yang chunjuan wang Hao Li Yong Jiang Haipeng Shen Yongjun wang Innvotion and Information Management HKU Business SchoolThe University of Hong KongHong KongChina China National Clinical Research Center for Neurological Diseases Beijing Tiantan HospitalCapital Medical UniversityBeijingChina National Center for Healthcare Quality Management in Neurological Diseases Beijing Tiantan HospitalCapital Medical UniversityBeijingChina Chinese Institute for Brain Research BeijingChina Shenzhen Institute of Research and Innovation The University of Hong KongShenzhenChina

Background Timely delivery of intravenous tissue plasminogen activator(IV-rt PA)is pivotal to eligible patients who had a stroke while achieving higher rates of IV-rt PA has been *** paper focuses on investigating influential factors associated with the administration of IV-rt PA,primarily per capita gross regional product(GRP)and healthcare system *** The study included 980 hospitals in the Chinese Stroke Center Alliance where 158003 patients who had an acute ischaemic stroke received IV-rt PA between August 2015 and August *** adherence rate to IV-rt PA within 4.5 hours time window in each hospital was the primary *** factors were grouped into two categories:macroeconomic status and hospital *** outcome was analysed using multivariable linear *** GRP per capita(β=2.37,p<0.001),hospital stroke centre certification(β=3.77,p<0.001),number of neurologists(β=0.12,p<0.001),existence of emergency services for neurological treatment(β=7.43,p=0.014),presence of emergency department(β=10.03,p=0.019)and cooperating with emergency centre(β=4.65,p=0.029)were significantly positively associated with the adherence rate to IV-rt *** Higher GRP per capita,affluent neurological personnel,well-equipped emergency services for neurological treatment and routine cooperation with the emergency centre were important for enhancing the adherence rate to IV-rt PA among patients who had an acute ischaemic stroke in China.

关键词： intravenous routine Alliance

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Bio-capped and green synthesis of ZnO/g-C_(3)N_(4) nanocomposites and its improved antibiotic and photocatalytic activities: An exceptional approach towards environmental remediation

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Chinese Journal of Chemical Engineering 2023年第4期56卷 215-224页

作者： Iltaf Khan chunjuan wang Shoaib Khan Jinyin Chen Aftab Khan Sayyar Ali Shah Aihua Yuan Sohail Khan Mehwish KButt Humaira Asghar School of Environmental&Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang 212100China College of Agriculture Shihezi UniversityShihezi 832003China Key Laboratory of Biology and Genetic Improvement of Horticultural Crops Northeast Agricultural UniversityHarbin 150030China Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables College of AgronomyJiangxi Agricultural UniversityNanchang 330045China Department of Pharmacy University of SwabiKhyber Pakhtunkhwa 94640Pakistan Department of Physics University of Agriculture FaisalabadFaisalabad 38040Pakistan Department of Chemistry Government College University FaisalabadFaisalabad 38000Pakistan

In this research study, we have synthesized the bio-capped ZnO/g-C_(3)N_(4) nanocomposites by employing lemon juice(Citrus limon) as a stabilizer and mediator. Fruitfully, lemon juice which contains various acidic functional groups and citric acid has the capability to block the surface of g-C_(3)N_(4) from chemical reactivity and activated the surface of g-C_(3)N_(4) for various reactions. Consequently, the agglomeration behavior and controlled shape of g-C_(3)N_(4) has also been achieved. Our experimental results i.e. XRD,TEM, HRTEM, PL, FS, XPS, and PEC have confirmed that the lemon juice mediated and green g-C_(3)N_(4)(L-CN) have good performances and remarkable visible light photocatalytic activities as compared to the chemically synthesized g-C_(3)N_(4)(CN). Furthermore, the small surface area and low charge separation of g-C_(3)N_(4) is upgraded by coupling with Zn O nanoparticles. It is proved that the coupling of Zn O worked as a facilitator and photoelectron modulator to enhance the charge separation of g-C_(3)N_(4). Compared to pristine lemon-mediated green g-C_(3)N_(4)(L-CN), the most active sample 5Zn O/L-CN showed ~ 5-fold improvement in activities for ciprofloxacin(CIP) and methylene blue(MB) degradation. More specifically,the mineralization process and degradation pathways, and the mineralization process of ciprofloxacin(CIP) and methylene blue(MB) are suggested. Finally, our present novel research work will provide new access to synthesize the eco-friendly and bio-caped green g-C_(3)N_(4)nanomaterials and their employment for pollutants degradation and environmental purification.

关键词： Bio-caped green g-C_(3)N_(4) Lemon juice mediators ZnO/g-C_(3)N_(4)nanocomposite Environmental remediation Degradation pathways

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Improvements on voltage-resistant performance of bipolar static induction transistor (BSIT) with buried gate structure

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Science China(Information Sciences) 2012年第4期55卷 962-970页

作者： wang YongShun,FENG JingJing,LIU chunjuan,wang ZiTing,wang ZaiXing & ZHANG CaiZhen School of Electronic and Information Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China School of Electronic and Information Engineering Lanzhou Jiaotong University Lanzhou China

The breakdown mechanism of power bipolar static induction transistor (BSIT) with buried gate structure is analyzed in depth.A power BSIT sample with high voltage-resistant capability has been designed and fabricated in this *** technological methods for improving high voltage performances are *** active region of BSIT is surrounded with a deep trench to avoid any probable influences of various defects on device *** field-limiting ring-shape junctions and one channel termination ring-shape junction are arranged around the gate region to reduce the electric field *** gate-source breakdown voltage BV GS of power BSIT has been increased to 110 V from previous value of 50-60 V,and its blocking voltage is increased to 1700 *** optimal geometrical dimensions for achieving the maximum breakdown voltage BV GS and blocking voltage V block are also represented in the paper.

关键词： bipolar static induction transistor voltage-resistant capability punch-through deep trench

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Effect of 3D anchorage attachment on the alleviating tipping/extrusion of premolars for en-mass distalization of maxillary molars with clear aligners:A finite element study

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Medicine in Novel Technology and Devices 2023年第2期18卷 272-280页

作者： Lurong Jia chunjuan wang Yao He Chao wang Antonio Apicella Jinlin Song Yubo Fan Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences ChongqingChina Stomatological Hospital of Chongqing Medical University ChongqingChina Key Laboratory of Biomechanics and Mechanobiology Ministry of EducationBeijing Advanced Innovation Center for Biomedical EngineeringSchool of Biological Science and Medical EngineeringSchool of Engineering MedicineBeihang UniversityBeijingChina Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education ChongqingChina Polytechnique School of Engineering and Base Science University of CampaniaItaly

This study aimed to explore the optimal invisible orthodontic force system during the en-mass distalization of two maxillary molars to minimize the side effect of anchorage loss by changing the direction of the application of the orthodontic force system.A high bio-fidelity 3D finite element model including maxilla,periodontal ligament,dentition,clear aligner,3D anchorage attachment and mini-implant was *** lengths of lateral hooks of 3D-printed anchorage attachments and mini-implant positions into the palatal alveolus were considered.A 200 g distal force was applied to the lateral hooks of different horizontal lengths(3.26 mm,6.52 mm and 9.78 mm)with the mini-implant as the application *** ABAQUS software,orthodontic tooth movements under 12 different clinical treatment designs were analyzed and *** 3D anchorage attachment enhanced the anchorage of anterior teeth and alleviated the tipping/extrusion of *** contrast to without clear aligners,length of the lateral hook had a negligible effect on both mesial tipping and buccal tipping with clear aligners,which could then be *** change in mesial tipping was less and nearly remained constant despite of the different heights of the *** 3D anchorage attachment assisted clear aligner can avoid the side effects of anterior tooth proclination caused by insufficient *** length of the lateral hook,and height of the mini-implant in this invisible orthodontic force system hardly affects the tooth movement of anchorage *** aligners can effectively control the rotation and tipping of anchorage units caused by 3D anchorage attachment.

关键词： Clear aligner Orthodontics 3D printing Three-dimensional finite element Attachments Reinforced anchorage

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Rationale and design of Patient-centered Retrospective Observation of Guideline-Recommended Execution for Stroke Sufferers in China: China PROGRESS

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Stroke & Vascular Neurology 2019年第3期4卷 165-170页

作者： Zixiao Li chunjuan wang Yong Jiang Xinmiao Zhang Ying Xian Liping Liu Xingquan Zhao Hongqiu Gu Xia Meng Hao Li Yilong wang Yongjun wang Vascular Neurology Department of NeurologyBeijing Tiantan HospitalCapital Medical UniversityBeijingChina China National Clinical Research Center for Neurological Diseases BeijingChina Center of Stroke Beijing Institute for BrainDisordersBeijingChina Beijing Key Laboratory of Translational Medicine forCerebrovascular Disease BeijingChina Duke Clinical Research Institute North CarolinaUSA Neuro-intensive Care Unit Department of NeurologyBeijing Tiantan HospitalCapital Medical UniversityBeijingChina

Background In 2009,China launched ambitious healthcare reform plans to provide affordable and equitable basic healthcare for all patients,including the substantial number of patients who had a ***,little is known about the pattern of evidence-based stroke care and outcomes across hospitals,regions and time during the last *** The Patient-centered Retrospective Observation of Guideline-Recommended Execution for Stroke Sufferers in China(China PROGRESS)Study aims to use findings from a representative sample of Chinese hospitals over the last decade to improve future stroke care for patients hospitalised with ischaemic stroke(IS)or transient ischaemic attack(TIA).Design The China PROGRESS Study will use a two-stage cluster sampling method to identify over 32000 patient records from 208 hospitals across the Eastern,Central and Western geographical regions in *** assess the temporal trends in patient characteristics,treatment and outcomes,study investigators will select records from 2005,2010 and 2015.A double data reading/entry system will be developed to conduct this assessment.A central coordinating centre will monitor case ascertainment,data abstraction and data *** will examine patient characteristics,testing patterns,in-hospital treatment and outcomes,and variations across regions and across *** The China PROGRESS Study is the first nationally representative study that aims to better understand care quality and outcomes for patients with IS or TIA before and after the national healthcare reform in *** initiative will translate findings into clinical practices that improve care quality for patients who had a stroke and policy recommendations that allow these changes to be implemented *** approval This study has also been approved by the central institutional review board(IRB)at Beijing Tiantan Hospital.

关键词： PROGRESS Observation centered

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