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1Ultrafast epitaxial growth of metre-sized single-crystal graphene on industrial Cu foil显示文摘A foundation of the modern technology that uses single-crystal silicon has been the growth of highquality single-crystal Si ingots with diameters up to 12 inches or larger. For many applications of graphene, large-area high-quality(ideally of single-crystal) material will be enabling. Since the first growth on copper foil a decade ago, inch-sized single-crystal graphene has been achieved. We present here the growth, in 20 min, of a graphene film of(5 ×50) cm^2 dimension with >99% ultra-highly oriented grains.This growth was achieved by:(1) synthesis of metre-sized single-crystal Cu(1 1 1) foil as substrate;(2)epitaxial growth of graphene islands on the Cu(1 1 1) surface;(3) seamless merging of such graphene islands into a graphene film with high single crystallinity and(4) the ultrafast growth of graphene film.These achievements were realized by a temperature-gradient-driven annealing technique to produce single-crystal Cu(1 1 1) from industrial polycrystalline Cu foil and the marvellous effects of a continuous oxygen supply from an adjacent oxide. The as-synthesized graphene film, with very few misoriented grains(if any), has a mobility up to ~23,000 cm^2 V^(-1)s^(-1)at 4 K and room temperature sheet resistance of ~230 Ω/□. It is very likely that this approach can be scaled up to achieve exceptionally large and high-quality graphene films with single crystallinity, and thus realize various industrial-level applications at a low cost.Xiaozhi Xu Zhihong Zhang Jichen Dong Ding Yi Jingjing Niu Muhong Wu Li Lin Rongkang Yin Mingqiang Li Jingyuan Zhou Shaoxin Wang Junliang Sun Xiaojie Duan Peng Gao Ying Jiang Xiaosong Wu Hailin Peng Rodney S. Ruoff Zhongfan Liu Dapeng Yu Enge Wang Feng Ding Kaihui Liu 2017Science Bulletin2017,62,15:40
2Stenting for symptomatic intracranial arterial stenosis in China:1-year outcome of a multicentre registry study显示文摘background and purpose A multicentre prospective registry study of individually tailored stenting for a patient with symptomatic intracranial atherosclerotic stenosis(ICAS)combined with poor collaterals in China showed that the short-term safety and efficacy of stenting was acceptable.However,it remained uncertain whether the low event rate could be of a long term.We reported the 1-year outcome of this registry study to evaluate the long-term efficacy of individually tailored stenting for patients with severe symptomatic ICAS combined with poor collaterals.Methods Patients with symptomatic ICAS caused by 70%-99% stenosis located at the intracranial internal carotid,middle cerebral,intracranial vertebral or basilar arteries combined with poor collaterals were enrolled.Balloon-mounted stent or balloon plus self-expanding stent were selected based on the ease of vascular access and lesion morphology determined by the operators.The primary outcome was the rate of 30-day stroke,transient ischaemic attack and death,and 12-month ischaemic stroke within the same vascular territory,haemorrhagic stroke and vascular death after stenting.results From September 2013 to January 2015,300 patients(ages 58.3±9.78 years)were recruited.Among them,159 patients were treated with balloon-mounted stent and 141 with balloon plus self-expanding stent.During the 1-year follow-up,25 patients had a primary end point event.The probability of primary outcome at 1 year was 8.1%(95% CI 5.3% to 11.7%).In 76 patients with digital subtraction angiography follow-up,27.6%(21/76)had re-stenosis≥50% and 18.4%(14/76)had re-stenosis≥70%.No baseline characteristic was associated with the primary outcome.Conclusion The event rate remains low over 1 year of individually tailored stenting for patients with severe symptomatic ICAS combined with poor collaterals.Further randomised trial of comparing individually tailored stenting with best medical therapy is needed.Ning Ma Yong Zhang Jie Shuai Changchun Jiang Qiyi Zhu Kangning Chen Li Liu Baomin Li Xiangqun Shi Lianbo Gao Yajie Liu Feng Wang Yongli Li Tieyan Liu Hongbo Zheng Dapeng Mo Feng Gao Yilong Wang Yongjun Wang Lei Feng Zhongrong Miao 2018Stroke & Vascular Neurology2018,3,3:29
3Staged carotid artery angioplasty and stenting for patients with high-grade carotid stenosis with high risk of developing hyperperfusion injury:a retrospective analysis of 44 cases显示文摘Background:Hyperperfusion syndrome(HPS)is a rare but potentially a life-threatening complication after carotid artery angioplasty and stenting(CAS).Staged CAS has been an alternative to prevent HPS.Materials and methods:44 of 908 patients with high-grade internal carotid artery stenosis or near occlusion were at risk of HPS because of poor collateral flow and impaired cerebral blood flow(CBF).They were treated with first(stage 1),followed by a full CAS(stage 2)1 month later.Their 30-day outcomes were tabulated and analysed.Results:During follow-up,1 of the 44(2.2%)patients developed HPS immediately,3(7%)had postprocedural HPS(ie,transcranial Doppler(TCD)>120%)without clinical symptoms and 3(7%)required stenting at stage 1 for carotid dissections.After stage 1,there were significant improvement between the preprocedural and postprocedural CBF(0.98±0.06 vs 0.85±0.05,p<0.05),mean transit time(MTT;1.05±0.05 vs 1.15±0.05,p<0.05),time to peak(TTP;1.04±0.06 vs 1.20±0.06,p<0.05)on CT perfusion(CTP),and CBF(66.41±7.41 vs 44.44±6.43,p<0.05)on TCD.After stage 2,improvement was seen in CBF(1.01±0.07 vs 0.98±0.06,p<0.05),MTT(1.01±0.05 vs 1.05±0.05,p<0.05),TTP(0.99±0.06 vs 1.04±0.06,p<0.05)on CTP and CBF(66.41±7.41 vs 93.78±18.81,p<0.05)on TCD.2 had postoperative increase of middle cerebral artery mean flow velocity of 120%after stage 2 without clinical symptoms.Conclusion:Staged carotid artery stenting probably decreased the chance of developing HPS in this group of selected patients.Although requiring a 2-step intervention,staged CAS may be a safe and effective alternative.Dapeng Mo Gang Luo Bo Wang Ning Ma Feng Gao Xuan Sun Xiaotong Xu Zhongrong Miao 2016Stroke & Vascular Neurology2016,1,4:14
4COVID-19 Super Spreading Event Amongst Elderly Individuals—Jilin Province,China,January 2021显示文摘Summary What is already known on this topic?Clusters of COVID-19 cases often happened in small settings(e.g.,families,offices,school,or workplaces)that facilitate person-to-person virus transmission,especially from a common exposure.What is added by this report?On January 10 and 11,2021,an individual gave three product promotional lectures in Tonghua City.Laishun Yao Mingyu Luo Tiewu Jia Xingang Zhang Zhulin Hou Feng Gao Xin Wang Xiaogang Wu Weihua Cheng Guoqian Li Jing Lu Bing Zhao Tao Li Enfu Chen Dapeng Yin Biao Huang 2021China CDC weekly2021,3,10:13
5Arabidopsis co-chaperonin CPN20 antagonizes Mg-chelatase H subunit to derepress ABA-responsive WRKY40 transcription repressor显示文摘Our previous study demonstrated that a chloroplast co-chaperonin 20(CPN20),one of the interaction partners of the magnesium-protoporphyrin IX chelatase H subunit(CHLH/ABAR),negatively regulates ABA signaling at the same node with ABAR but upstream of WRKY40 transcription repressor in Arabidopsis thaliana.In the present experiment,we showed that ABA directly inhibits the ABAR-CPN20 interaction,and also represses expression of CPN20,which depends on ABAR.CPN20 inhibits ABAR-WRKY40 interaction by competitively binding to ABAR.ABAR downregulates,but CPN20 upregulates,WRKY40 expression.The cpn20-1 mutation induces downregulation of WRKY40,and suppresses the upregulated level of WRKY40 due to the cch mutation in the ABAR gene.ABA-induced repressive effect of the WRKY40 gene is strengthened by downregulation of CPN20 but reduced by upregulation of CPN20.Together with our previously reported genetic data,we provide evidence that CPN20 functions through antagonizing the ABAR-WRKY40 coupled pathway,and ABA relieves this pathway of repression by inhibiting the ABAR-CPN20 interaction to activate ABAR-WRKY40 interaction.ZHANG XiaoFeng JIANG Tao YU YongTao WU Zhen JIANG ShangChuan LU Kai FENG XiuJing LIANG Shan LU YanFen WANG XiaoFang ZHANG DaPeng 2014Science China(Life Sciences)2014,57,1:11
6Endovascular revascularisation of acute tandem vertebrobasilar artery occlusion:seven case series with literature reviews显示文摘background The outcome of acute ischaemic stroke due to tandem vertebrobasilar artery occlusion was poor.Endovascular revascularisation may be a positive approach for acute basilar artery occlusion combined with vertebral ostium stenosis or occlusion.We reported seven patients with acute vertebrobasilar tandem occlusion by using angioplasty or stenting for proximal lesion and thrombectomy for distal occlusion.Materials and methods Consecutive patients with acute tandem vertebrobasilar artery occlusion at two centres were included in this study.We retrospectively analysed the clinical,technical and functional outcomes of the patients.results From March 2016 to March 2017,seven patients were included.The mean age and National Institute of Health Stroke Scale score at admission was 57 years and 22,respectively.A reverse approach was used in five patients.The Thrombolysis in Cerebral Infarction score 2b-3 was acquired in all patients.There were no procedural complications.The modified Rankin Scale score was 1-2 for three patients and 4 for one patient at 3 months.Three patients died at 3 months of follow-up.Conclusions Endovascular revascularisation may be feasible for acute tandem vertebrobasilar artery occlusion,and more researches are needed.Haihua Yang Ning Ma Shiyong Zhang Xiaochuan Huo Feng Gao Xuan Sun Dapeng Mo Zhongrong Miao 2018Stroke & Vascular Neurology2018,3,1:10
7Temperature increase impacts personality traits in aquatic non-native species: Implications for biological invasion under climate change显示文摘Dapeng ZHAO Peishan FENG 2015Current Zoology2015,61,6:5
8The friction and wear characteristics and lubrication mechanism of imidazole phosphate ionic liquid显示文摘Several imidazole phosphate ionic liquids with varying carbon chain length have been synthesized at room temperature.Corrosion characteristics and tribological properties of these synthesized ionic liquids were studied using four-ball friction and wear testing machine.Its lubrication mechanism was also investigated by means of electron microscopy and X-ray photoelectron spectroscopy.The ex-perimental results showed that no corrosion was generated when the imidazole phosphate ionic liquid was applied to steel-steel pair.Meanwhile,the imidazole phosphate showed excellent anti-wear and lubricating performances,its frictional performance was related to the polarity of ionic liquids.It is suggested that the ionic liquids react with friction surface to form a protective film of iron phosphate and result in reduction in friction and wear.ZHANG Lin FENG DaPeng XU Bin LIU XuQing LIU WeiMin 2009Science China(Technological Sciences)2009,52,5:5
9Mechanics of flexible and stretchable piezoelectrics for energy harvesting显示文摘As rapid development in wearable/implantable electronic devices benefit human life in daily health monitoring and disease treatment medically, all kinds of flexible and/or stretchable electronic devices are booming, together with which is the demanding of energy supply with similar mechanical property. Due to its ability in converting mechanical energy lying in human body into electric energy, energy harvesters based on piezoelectric materials are promising for applications in wearable/implantable device's energy supply in a renewable, clean and life-long way. Here the mechanics of traditional piezoelectrics in energy harvesting is reviewed, including why piezoelectricity is the choice for minor energy harvesting to power the implantable/wearable electronics and how. Different kinds of up to date flexible piezoelectric devices for energy harvesting are introduced, such as nanogenerators based on Zn O and thin and conformal energy harvester based on PZT. A detailed theoretical model of the flexible thin film energy harvester based on PZT nanoribbons is summarized, together with the in vivo demonstration of energy harvesting by integrating it with swine heart. Then the initial researches on stretchable energy harvesters based on piezoelectric material in wavy or serpentine configuration are introduced as well.CHEN Ying LU BingWei OU DaPeng FENG Xue 2015Science China(Physics,Mechanics & Astronomy)2015,58,9:5
10A comparison between acute large vessel occlusion in the posterior circulation and anterior circulation after endovascular treatment:the ANGEL-ACT registry experience显示文摘Background and purpose Endovascular treatment(EVT)has shown an overwhelming benefit for acute anterior circulation artery occlusion(ACO).Whether it can achieve the same outcomes in posterior circulation artery occlusion(PCO)has not been well explained.We aimed to evaluate the characteristics and prognosis of ACO and PCO after EVT in a nationwide registry.Method The present analysis was based on the prospective ANGEL-ACT Registry in China between November 2017 and March 2019.Demographic data,periprocedural times,recanalisation rate,intracranial haemorrhage(ICH)and 90-day functional outcomes were compared between the ACO and PCO groups.Results A total of 1793 patients were analysed including 397(22.1%)consecutive patients with PCO and 1396(77.9%)patients with ACO treated with EVT.A larger proportion of patients with PCO had intracranial atherosclerotic disease and received extra angioplasty during EVT.Successful recanalisation and 90-day favourable functional outcomes did not differ significantly between the two groups.Patients with PCO showed lower 24-hour ICH and symptomatic ICH rates.There was a trend towards higher mortality rate in the PCO group(22.09%vs 14.44%;adjusted OR 1.286(95%CI 0.820 to 2.017),p=0.2731),especially when the onset to puncture time was over 6 hours(30.77%vs 11.13%;adjusted OR 2.673(95%CI 1.280 to 5.583),p=0.0089,interactive p=0.0002).Conclusions In this large prospective multicentre registry,there was a significant difference in the characteristics and periprocedural features between patients with PCO and ACO.However,successful recanalisation and 90-day favourable functional outcomes in PCO were equivalent to those in ACO.Xuan Sun Jingyu Zhang Xu Tong Baixue Jia Dapeng Mo Ning Ma Feng Gao Lian Liu Xiaochuan Huo Ligang Song Yiming Deng Zhongrong Miao 2022Stroke & Vascular Neurology2022,7,4:4
11Preparation and nanotribological behavior of PAH/graphite oxide molecular deposition film显示文摘Polyallylamine hydrochloride/graphite oxides ultra thin film (coded as PAH/GO ultra thin film) was prepared by molecular deposition (MD) in laboratory. The resulting PAH/GO ultra thin film was heated to convert the electrostatic force towards covalent bond so as to increase the bonding strength of the film. The structure and nanotribological properties of the film were analyzed by means of atomic force microscopy and ultraviolet-visible spectroscopy. It was found that the PAH/GO ultra thin film had a much smaller friction force than the glass substrate and the friction force was dependent on the hardness and appearance of the glass substrate.FENG Dapeng WANG Deguo ZHANG Siwei 2004Science China(Technological Sciences)2004,47,4:4
12Staged angioplasty versus regular carotid artery stenting in patients with carotid artery stenosis at high risk of hyperperfusion:a randomised clinical trial显示文摘Background and purpose Hyperperfusion(HP)is a devastating complication associated with carotid artery stenting(CAS)or endarterectomy.The efficacy and safety of staged angioplasty(SAP)in patients with CAS at high risk of HP remains unclear.We sought to determine whether SAP is superior to regular CAS in patients with high risk of HP.Methods A randomised,multicentre open-label clinical trial with blinded outcome assessment(STEP)was conducted.Patients with severe carotid stenosis at high risk of HP were randomly assigned(1:1)to the SAP or regular CAS group.The primary endpoint was hyperperfusion syndrome(HPS)and intracerebral haemorrhage(ICH)within 30 days after the procedure.Results From November 2014 to January 2017,a total of 64 patients were enrolled in 11 centres.33 patients were allocated to the SAP group and 31 to the regular CAS group.At 30 days,the rate of primary endpoint was 0.0%(0/33)in the SAP group and 9.7%(3/31)in the regular CAS group(absolute risk reduction(ARR),9.7%;95%CI−20.1% to 0.7%;p=0.11).As one of the secondary endpoints,the incidence of HP phenomenon(HPP)was lower in the SAP group than the regular CAS group(0.0%vs 22.6%,ARR,−22.6%;95% CI−36.8%to−10.2%;p=0.04).Conclusion The rate of HPS and ICH was not significantly lower in SAP group;the extended secondary endpoint of HPP,however,significantly reduced,which suggested that SAP may be a safe and effective carotid revascularisation procedure to prevent HP.Dapeng Mo Baixue Jia Huaizhang Shi Yaxuan Sun Qingan Liu Chengzhe Fan Jianping Deng Jinglin Yuan Wei Wu Changchun Jiang Guilian Zhang Hanjun Du Ning Ma Feng Gao Xuan Sun Ligang Song Lian Liu Guangge Peng Yongjun Wang Yilong Wang Zhongrong Miao the STEP Study Group 2021Stroke & Vascular Neurology2021,6,1:3
13Quercetin promotes human epidermal stem cell proliferation through the estrogen receptor/β-catenin/c-Myc/cyclin A2 signaling pathway显示文摘Skin epidermal stem cells(EpSCs)play an important role in wound healing.Quercetin is a phytoestrogen reported to accelerate skin wound healing,but its effect on EpSCs is unknown.In this study,we investigated the effect of quercetin on human EpSC proliferation and explored the underlying mechanisms.We found that quercetin at 0.1~1μM significantly promoted EpSC proliferation and increased the number of cells in S phase.The pro-proliferative effect of quercetin on EpSCs was confirmed in cultured human skin tissue.Mechanistic studies showed that quercetin significantly upregulated the expressions ofβ-catenin,c-Myc,and cyclins A2 and E1.Inhibitor forβ-catenin or c-Myc significantly inhibited quercetin-induced EpSC proliferation.Theβ-catenin inhibitor XAV-939 suppressed quercetin-induced expressions ofβ-catenin,c-Myc,and cyclins A2 and E1.The c-Myc inhibitor 10058-F4 inhibited the upregulation of c-Myc and cyclin A2 by quercetin.Pretreatment of EpSCs with estrogen receptor(ER)antagonist ICI182780,but not the G protein-coupled ER1 antagonist G15,reversed quercetin-induced cell proliferation and upregulation ofβ-catenin,c-Myc,and cyclin A2.Collectively,these results indicate that quercetin promotes EpSC proliferation through ER-mediated activation ofβ-catenin/c-Myc/cyclinA2 signaling pathway and ER-independent upregulation of cyclin E1 and that quercetin may accelerate skin wound healing through promoting EpSC proliferation.As EpSCs are used not only in clinic to treat skin wounds but also as seed cells in skin tissue engineering,quercetin is a useful reagent to expand EpSCs for basic research,skin wound treatment,and skin tissue engineering.Zhaodong Wang Guangliang Zhang Yingying Le Jihui Ju Ping Zhang Dapeng Wan Qiang Zhao Guangzhe Jin Hao Su Jinwei Liu Jiaxuan Feng Yi Fu Ruixing Hou 2020Acta Biochimica et Biophysica Sinica2020,52,10:3
14Recent advances and perspectives for Zn-based batteries:Zn anode and electrolyte显示文摘Zn-based batteries have attracted extensive attention due to their high theoretical energy density,safety,abundant resources,environmental friendliness,and low cost.They are a new energy storage and conversion technology with significant development potential and have been widely used in renewable energy and portable electronic devices.Considerable attempts have been devoted to improving the performance of Zn-based batteries.Specifically,battery cycle life and energy efficiency can be improved by electrolyte modification and the construction of highly efficient rechargeable Zn anodes.This review compiles the progress of the research related to Zn anodes and electrolytes,especially in the last five years.This review will introduce fundamental concepts,summarize recent development,and inspire further systematic research for high-performance Zn-based batteries in the future.Huaiyun Ge Xilan Feng Dapeng Liu Yu Zhang 2023Nano Research Energy2023,2,1:3
15Effects of Ginsenoside Rg1 on nuclear factor-kappa B activity in beta amyloid protein-treated neural cells显示文摘BACKGROUND:Modern pharmacological studies have shown that Ginsenoside Rg1 is one of the active components of ginseng that promote intelligence in the nervous system.Ginsenoside Rg1 can improve memory and learning in mouse models ofβ-amyloid protein(Aβ)-induced dementia. OBJECTIVE:To investigate whether effects of Ginsenoside Rg1 against Aβare associated with activity of nuclear factor-kappa B(NF-κB). DESIGN,TIME AND SETTING:The randomized,controlled,cell biological experiment was performed at the DME Center,Institute of Clinical Pharmacology,Guangzhou University of Chinese Medicine,China from July 2005 to May 2006. MATERIALS:Beta-amyloid fragment 25-35(Aβ_(25-35)) was supplied by the Neural Biochemical Laboratory,Xuanwu Hospital,Capital Medical University,China.Ginsenoside Rg1 was obtained from National Institute for the Control of Pharmaceutical and Biological Products,China.Rabbit anti-rat NF-κB p65 antibody was purchased from Santa Cruz Biotechnology,USA. METHODS:Hippocampal neurons and cortical astrocytes of neonatal Sprague Dawley rats were harvested and treated with various concentrations(0,5,10,20,and 40μmol/L) of Aβfor 6,12,and 24 hours to establish cellular models of Alzheimer's disease.Cellular models were pretreated with various concentrations of Ginsenoside Rg1(1,2,4,8,and 16μmol/L).According to cell morphology and activity,the following conditions were selected:40μmol/L Aβfor 24 hours,as well as 2,4,and 8μmol/L Ginsenoside Rg1.NF-κB activity was observed using immunofluorescence and cytochemical staining. MAIN OUTCOME MEASURES:Morphology and viability of hippocampal neurons and cortical astrocytes,and activities of NF-κB were measured. RESULTS:Hippocampal neuron activity was significantly greater in the normal and 2 and 4μmol/L Ginsenoside Rg1 groups compared with the model group(P<0.05).Astrocyte activity was significantly greater in the normal,1,2,4,8,and 16μmol/L Ginsenoside Rg1 groups compared with the model group(P<0.05).NF-κB activity of hippocampal neurons was significantly greater in the normal,2,4,and 8μmol/L Ginsenoside Rg1 groups compared with the model group(P<0.01). NF-κB activity of astrocytes was significantly less in the normal,2,4,and 8μmol/L Ginsenoside Rg1 groups compared with the model group(P<0.01 or P<0.05).No significant difference in NF-κB activity was determined between the 2μmol/L Ginsenoside Rg1 and normal groups(P>0.05). CONCLUSION:Ginsenoside Rg1 protected neural cells by upregulating NF-κB activity in neurons and downregulating NF-κB activity in astrocytes.Ginsenoside Rg1(2μmol/L) maintained cell activity and NF-κB activity at normal levels.Yunbo Chen Dapeng Zhang Mei Feng Qi Wang Shuyi Cheng Weixiong Liang Zehuai Wen 2009Neural Regeneration Research2009,4,8:2
16Functional delivery vehicle of organic nanoparticles in inorganic crystals显示文摘Encapsulation of bioactive substances for extended shelf life and controlled,targeted release is critical for their applications in food and drug delivery.Here,a new method has been developed to encapsulate bioactive molecules in the crystal composites,showing greatly enhanced stability and unique pHtriggered response.Chlorophyll,a model bioactive,is first loaded in shellac nanoparticles via coprecipitation with a high encapsulation efficiency,and then the chlorophyll-loaded nanoparticles are incorporated into calcite crystals grown from a gel media containing the nanoparticles.Under the protection of shellac nanoparticles and calcite crystals,chlorophyll shows excellent stability even under light.Encapsulated chlorophyll could only be released by first dissolving the calcite crystals under acidic condition and then dissolving the shellac nanoparticles under alkaline condition.The unique pHtriggered release mimics the pH change from acidic in the stomach to alkaline in the intestine and is thus well suited for controlled,targeted intestinal release.This work suggests that the crystal composites are an ideal delivery vehicle for the functional design of bioactive molecules.Linlin Kong Xinyi Jin Dapeng Hu Leyun Feng Dong Chen Hanying Li 2019Chinese Chemical Letters2019,30,12:2
17Acute Ischaemic Stroke Cooperation Group of Endovascular Treatment (ANGEL) registry: study protocol for a prospective, multicentre registry in China显示文摘Background and purpose Endovascular treatment could improve functional outcomes and reduce mortality in patients with intracranial large artery occlusion. This registry aims to evaluate the endovascular treatment delivery and to improve endovascular treatment algorithm in clinical practice for patients with stroke in China. Methods and analysis This multicentric, nationwide, prospective registry plans to include 20 stroke centres and recruit 900 consecutive AIS patients with large- artery occlusion under endovascular treatment. This registry will enrol acute large vessel occlusion patients suitable for endovascular treatment and the inclusion and exclusion criteria. In this study, 90 days functional independence (modified Rankin Scale score ≤2) is the primary efficacy endpoint. The procedural efficacy endpoint of this registry is target artery recanalisation defined by modified Thrombolysis in Cerebral Infarction score 2b or 3 after endovascular therapy. Symptomatic intracranial haemorrhage with 24±3 hours after the procedure is the primary safety endpoint of this registry. Ethics and dissemination Beijing Tiantan Hospital’s Ethics committee and all other participating centres approved the protocol and data collection of Acute Ischaemic Stroke Cooperation Group of Endovascular Treatment registry. Each participant or representative had a written informed consent.Xiaochuan Huo Ning Ma Dapeng Mo Feng Gao Ming Yang Yilong Wang Yongjun Wang Zhongrong Miao ANGEL investigators 2019Stroke & Vascular Neurology2019,4,1:2
18电磁监测试验卫星及其初步成果显示文摘As the first satellite of the China national geophysical field observation series of stllite missions,the China Seismo--Electromagnetic Satellite(CSES)was designed upon an optimized CAST2000 platform for a sun synchronous orbit.Onboard CSES,there are total eight types of scientific payloads including the Search-coil Magnetometer,Electric Field Detector,High Precision Magnetometer,GNSS Occupation Receiver,Plasma Analyzer,Langmuir Probe,Energetic Particle Detector Package,and a Three-band Transmitter to individually acquire the global eletromagnetic field,elec-tromagnetic waves,ionospheric plasma parameters as well as energetic particles.Up to now,CSES has been operating normally in orbit for 2 years.By using the various sensor data acquired by CSES,we have achieved scientfic research in the areas of the global geomagnetic field modeling,space weather,earthquake event analysis,the Lithosphere-Atmo-sphere-lonosphere coupling mechanism and so on..SHEN Xuhui ZEREN Zhima YUAN Shigeng DAI Jianping HUANG Jianping ZHU Xinghong YANG Yanyan YAN Rui ZHAO Shufan LIU Dapeng ZHANG Zhenxia WANG Qiao CHU Wei LU Hengxin XU Song GUO Feng TAN Qiao LI Wenjing ZHOU Na 2020Aerospace China2020,21,1:2
19Benzimidazolyl phosphates as anti‐wear additives in poly(ethylene glycol) for steel/steel contacts显示文摘Dan Qiao Haizhong Wang Dapeng Feng 2014Lubr Sci2014,,1:1
20Study of High Frequency Folded Waveguide BWO with MEMS Technology显示文摘Feng Jinjun Ren Dapeng Li Hanyan 0,,04:1
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