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| 1 | Single-cell analysis reveals bronchoalveolar epithelial dysfunction in COVID-19 patients显示文摘Dear Editor,In 2019,a zoonotic coronavirus named severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)was identified as the causative agent of Coronavirus Disease 2019(COVID-19).As of 8 June 2020,the World Health Organization(WHO)has reported 6,912,751 globally confirmed cases with 400,469 deaths.Although generally causes mild disease,SARS-CoV-2 infection can result in serious outcomes,including acute lung injury(ALI)and acute respiratory distress syndrome(ARDS),the leading cause of mortality in patients with comorbidities.Recent autopsy studies of COVID-19 patients revealed mononuclear infiltration and excessive production of mucus in the infected lung,especially in the damaged small airways and alveoli(Bian and Team,2020;Liu et al.,2020). | Jiangping He Shuijiang Cai Huijian Feng Baomei Cai Lihui Lin Yuanbang Mai Yinqiang Fan Airu Zhu Huang Huang Junjie Shi Dingxin Li' Yuanjie Wei Yueping Li Yingying Zhao’ Yuejun Pan He Liu Xiaoneng Mo Xi He Shangtao Cao FengYu Hu Jincun Zhao Jie Wang Nanshan Zhong Xinwen Chen Xilong Deng Jiekai Chen | 2020 | Protein & Cell2020，11，9： | 7 |
| 2 | Simulation and analysis of surface plasmon resonance biosensor based on phase detection 显示文摘 | YU Xinglong WANG Dingxin YAN Zibo | 2003 | Sensors and Actuators B2003，91，： | 1 |
| 3 | Simulation and analysis of surface plasmon resonance biosensor based on phase detection 显示文摘 | YU Xinglong WANG Dingxin YAN Zibo | 2003 | Sensors and Actuators B2003，91，： | 1 |
| 4 | Micro array detection system for gene expression products based on surface plasmon resonance imaging显示文摘 | Yu Xinglong Wang Dongsheng Wang Dingxin | 2003 | Sensors Actuators B: Chemical2003，91，13： | 1 |
| 5 | Micro-array detection system for gene expression products based on surface plasmon resonance imaging显示文摘 | Yu Xinglong Wang Dongsheng Wang Dingxin | 2003 | Sensors and Actuators B: Chemical2003，91，13： | 1 |
| 6 | A surface plasmon resonance imaging interferometry for protein micro-array detection显示文摘 | Yu Xinglong Wang Dingxin Wei Xing | 2005 | Sensors and Actuators B2005，108，： | 1 |
| 7 | Micro-array detection system for gene expression products based on surface plasmon resonance imaging 显示文摘 | Yu Xinglong Wang Dongsheng Wang Dingxin | 2003 | Sensors and Actuators B: Chemical2003，91，13： | 1 |
| 8 | Simulation and analysis of surface plasmon resonance biosensor based on phase detection 显示文摘 | WANG Dingxin YAN Zibo | 2003 | Sensors and Actuators B2003，91，： | 1 |
| 9 | A Fractional-Order Ultra-Local Model-Based Adaptive Neural Network Sliding Mode Control of n-DOF Upper-Limb Exoskeleton With Input Deadzone显示文摘This paper proposes an adaptive neural network sliding mode control based on fractional-order ultra-local model for n-DOF upper-limb exoskeleton in presence of uncertainties,external disturbances and input deadzone.Considering the model complexity and input deadzone,a fractional-order ultra-local model is proposed to formulate the original dynamic system for simple controller design.Firstly,the control gain of ultra-local model is considered as a constant.The fractional-order sliding mode technique is designed to stabilize the closed-loop system,while fractional-order time-delay estimation is combined with neural network to estimate the lumped disturbance.Correspondingly,a fractional-order ultra-local model-based neural network sliding mode controller(FO-NNSMC) is proposed.Secondly,to avoid disadvantageous effect of improper gain selection on the control performance,the control gain of ultra-local model is considered as an unknown parameter.Then,the Nussbaum technique is introduced into the FO-NNSMC to deal with the stability problem with unknown gain.Correspondingly,a fractional-order ultra-local model-based adaptive neural network sliding mode controller(FO-ANNSMC) is proposed.Moreover,the stability analysis of the closed-loop system with the proposed method is presented by using the Lyapunov theory.Finally,with the co-simulations on virtual prototype of 7-DOF iReHave upper-limb exoskeleton and experiments on 2-DOF upper-limb exoskeleton,the obtained compared results illustrate the effectiveness and superiority of the proposed method. | Dingxin He HaoPing Wang Yang Tian Yida Guo | 2024 | IEEE/CAA Journal of Automatica Sinica2024，11，3： | 0 |
| 10 | Characteristics of Surface Micro-discharge Excited by Pulsed Voltage in Open Air显示文摘The surface micro-discharge(SMD)excited by pulsed voltage in open air is experimentally studied by measuring its voltage,current,emission image,emission spectrum,and ultraviolet(UV)absorption spectrum.It is found that the SMD occurs intermittently in each cycle,and that it consists of many filaments on the surface of grounded electrode.While the applied voltage’s peak value Up increases from 1.75 kV to 7.25 kV,the discharge area keeps expanding until Up≈6 kV,when the discharge occupies all the available area.The emission spectrum of nitrogen metastable N2(C-B)and the density of ozone increase almost linearly.The ozone density decreases hyperbolically downstream of the grounded electrode due to the diffusion in open air.The characteristics of pulsed SMD are presented and analyzed as well,which may be referred by further investigations. | LI Dong BAI Chuangfei WANG Xiaohua KONG Gangyu LIU Dingxin | 2013 | 高电压技术2013，39，9： | 0 |
| 11 | Detection of decomposition products of SF6/air gas mixture by electron attachment mass spectrometry显示文摘Sulphur hexafluoride(SF_(6))is widely used in gas insulation,and its decomposition products can be used to diagnose potential insulation failures.Quick and accurate detection of decomposition products can help to understand equipment-operating conditions in time.In this study,the decomposition products of SF_(6)/air gas mixtures under different pulsed discharge voltages were studied.It was found that the main products were SOF_(2),SO_(2)F_(2),SO_(2),CF_(4)and SOF_(4),and the yields of SOF_(2),SO_(2)F_(2),SO_(2)and SOF_(4)increased with the number of discharge pulse.The productive rate of SOF_(2),SO_(2)and SOF_(4)were positively correlated with the discharge voltage,and when the discharge voltage increased from 5 to 15 kV,their yields after 50,000 discharges increased by 49%,120%and 1100%,respectively.The productive rate of SOF_(2)and SO_(2)were positively correlated with the proportion of air in the gas mixtures while that of SOF_(4)was opposite.When the proportion of air increases from 0%to 90%,their yields after 50,000 discharges became 270%,3169%and 10%of the originals,respectively.In addition,the productive rate of SO_(2)F_(2)was not affected by discharge voltage and the proportion of air in the gas mixtures.SO_(2)F_(2),SOF_(2),SOF_(4)and SO_(2)can be used as the basis for judging the discharge failures and the discharge degree of power equipment. | Huan Yuan Xiaonan Wang Aijun Yang Dingxin Liu Xiaohua Wang Mingzhe Rong | 2022 | High Voltage2022，7，3： | 0 |
| 12 | Towards intrinsically pure graphene grown on copper显示文摘The state-of-the-art semiconductor industry is built on the successful production of silicon ingot with extreme purity as high as 99.999999999%,or the so-called'eleven nines'.The coming high-end applications of graphene in electronics and optoelectronics will inevitably need defect-free pure graphene as well.Due to its two-dimensional(2D)characteristics,graphene restricts all the defects on its surface and has the opportunity to eliminate all kinds of defects,i.e.,line defects at grain boundaries and point or dot defects in grains,and produce intrinsically pure graphene.In the past decade,epitaxy growth has been adopted to grow graphene by seamlessly stitching of aligned grains and the line defects at grain boundaries were eliminated finally.However,as for the equally common dot and point defects in graphene grain,there are rare ways to detect or reduce them with high throughput and efficiency.Here,we report a methodology to realize the production of ultrapure graphene grown on copper by eliminating both the dot and point defects in graphene grains.The dot defects,proved to be caused by the silica particles shedding from quartz tube during the high-temperature growth,were excluded by a designed heat-resisting box to prevent the deposition of particles on the copper surface.The point defects were optically visualized by a mild-oxidation-assisted method and further reduced by etching-regrowth process to an ultralow level of less than 1/1,000 μm^(2).Our work points out an avenue for the production of intrinsically pure graphene and thus lays the foundation for the large-scale graphene applications at the integrated-circuit level. | Xiaozhi Xu Ruixi Qiao Zhihua Liang Zhihong Zhang Ran Wang Fankai Zeng Guoliang Cui Xiaowen Zhang Dingxin Zou Yi Guo Can Liu Ying Fu Xu Zhou Muhong Wu Zhujun Wang Yue Zhao Enke Wang Zhilie Tang Dapeng Yu Kaihui Liu | 2022 | Nano Research2022，15，2： | 0 |
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