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Jing Xu,Zezhong Li,Zhenlu Liu,Shengming Xu,Xinyu Liu 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.126 No.-
A novel composite is constructed by loading ZIF-8 on Cu2O by in situ growth. By visible light driven semiconductorand p-p* conjugation effect of the metal–organic framework, the migration ability of photogeneratedcarriers is improved, and electrons are accumulated to participate in hydrogen ionreduction. The superior hydrogen evolution performance (981.8 lmolg1h1) and stability test indicatethat the coupling of ZIF-8 and semiconductor Cu2O successfully improves the catalytic capacity of thematerial. Cu2O provides a place to stimulate activity for ZIF-8 with high specific surface area. The electrontransfer mechanism in composites is studied by electrochemical and spectroscopy methods. This workalso provides a new opportunity for the in-situ growth of metal–organic frame materials onto singlemetaloxides.
Jing Xu,Guodong Liu,Jiadi Lian,Jing Ni,Jing Xiao 한국물리학회 2018 Current Applied Physics Vol.18 No.11
In this paper, forced vibration was used to regulate the droplet migration, fully recording the transient migration of droplets on a micro-textured substrate under the resonance frequency by a high-speed camera. The influence of resonance frequency and dynamic migration characteristics of droplets on the solid micro-texture surface under lateral vibration were researched. The experiment demonstrates that the driving force is caused by the difference between the left and right contact angles made the droplet oscillate and migrate, and as time t increases, the left and right contact points are periodically shifted and the amplitude of migration increases. Therefore, based on the droplet migration behavior and its force balance mechanism, a spring vibration model of migration behavior of the vibrating droplet micro unit was set up to predict the complete trajectory of its migration on a solid surface. The calculation results show that the theoretical displacement is less than the experimental displacement, and the longer the time, the larger the difference. Affected by the vibration, part of the droplet permeates through the micro-texture, resulting in the droplet losing height and the contact angle becoming smaller as well. While the other part of droplet overcomes the internal surface tension to migrate.
Investment Climate Analysis of China and South Korea: Based on Grading Method
Jing LI(Jing LI),Xin Yu XU(Xin Yu XU),Jie XU(Jie XU),Shuai SU(Shuai SU),Fan ZHANG(Fan ZHANG) 한국4차산업학회 2022 4차산업연구 Vol.2 No.2
Purpose - This study analyzes the investment environment of South Korea by using the rating scale of Robert B Stobaugh, Jr, and draws conclusion implication. Research design, data, and methodology - The study conducted a survey on according to the political stability, capital repatriation, foreign ownership allowed, discrimination and controls, foreign vs domestic businesses, currency stability, willingness to grant tariff protection, availability of local capital, and annual inflation for last 5 years. The score of these eight aspects will be given based on the current situation in South Korea and the sum of the scores will be calculated. Result - China-Korea economic and trade relations are in a stage of transformation and upgrading, and the level of economic and trade cooperation in various fields is reaching a new level. It is hoped that Chinese enterprises will grasp business opportunities, strengthen research and analysis of the Korea market and achieve mutually beneficial cooperation. Conclusion - The investment environment of South Korea is superior according to the political stability, capital repatriation, foreign ownership allowed, discrimination and controls, foreign vs domestic businesses, currency stability, willingness to grant tariff protection, availability of local capital, and annual inflation for last 5 years.
Xu Xiuzhang,Chen Dawei,Ye Xin,Xia Wenjie,Shao Yuan,Deng Jing,Chen Yangkai,Ding Haoqiang,Liu Jing,Xu Yaori,Santoso Sentot,Fu Yongshui 대한진단검사의학회 2023 Annals of Laboratory Medicine Vol.43 No.1
Antibodies against human CD36 are responsible for several immune-mediated disorders. The detection of anti-CD36 antibodies using the standard monoclonal antibody (mAb) immobilization of platelet antigens (MAIPA) assay is hampered by a high frequency of false-negative results, most likely due to competitive inhibition of the mAb used as the capture antibody. We generated a panel of mouse mAbs against CD36 and seven hybridomas (GZ-3, GZ-13, GZ-70, GZ-143, GZ-413, GZ-507, and GZ-608), which were selected for MAIPA assays, as they reacted with mouse and human CD36. Fourteen anti-CD36 sera were assayed; all of which showed a positive reaction in a PakPlus (Immucor GTI Diagnostics, Inc., Waukesha, WI, USA) ELISA-based screening (optical density: 0.257–2.292). When the reference anti-CD36 mAb FA6-152 was used in the MAIPA assay, only 6/14 (42.9%) sera displayed a positive reaction. In contrast, anti-CD36 antibodies were detected in 13/14 (92.9%) sera when GZ-70 and GZ-608 mAbs were used. This significant improvement resulted in the identification of anti-CD36 antibodies by an antigen capture assay. Since patient’s platelets possibly carrying rare native antigens are used, this method will facilitate the identification of new platelet antibodies against CD36 that are involved in immune-mediated thrombocytopenia and other diseases, such as transfusion-related acute lung injury.
Culture of a Whole Porcine Liver Ex Situ without Red Blood Cells
( Jing Dong ),( Lingling Xia ),( Hefang Shen ),( Congwen Bian ),( Sujin Bao ),( Ming Zhang ),( Yan Dai ),( Yanhong Xu ),( Qiru Xiong ),( Jianjian Xu ),( Lili Xu ) 대한간학회 2018 춘·추계 학술대회 (KASL) Vol.2018 No.1
Aims: Liver transplantation is an effective approach to end-stage liver disease. Shortage of donor liver and increased waiting time for liver transplantation necessitate the development of an organ culture system by which livers can be cultured and maintained ex situ for a prolonged period of time. The aim of this work is to test whether cell culture condition in vitro could be used to culture whole livers ex situ without the use of erythrocytes. Methods: Eight castrated male land race/farm young porcine livers were exposed to 30 min warm ischemia and 30 min cold perfusion. Livers were isolated and connected to an ex situ liver culture system using a standard culture medium RPMI 1640 supplied with 10% of fetal calf serum and sufficient dissolved oxygen under a normothermic condition for 6 hours. Metabolic biomarkers, bile and urea production, hepatic cell viability, and histology analysis of biopsies were performed and analyzed. Results: Dissociated porcine hepatic cells survived and grew in vitro under the standard RPMI 1640 culture medium. When the same RPMI 1640 medium supplemented with 10% of FCS and sufficient oxygen was used to culture livers ex situ, over 98% of liver cells were viable for at least 6 hours during ex situ whole organ culture based on the results from biochemical assays. Conclusions: Our data demonstrate that the liver culture system established in this work can be used to culture whole livers ex situ in the absence of erythrocytes.
A metal oxide TFT gate driver with a single negative power source employing a boosting module
Yangang Xu,Jun-Wei Chen,Wen-Xing Xu,Lei Zhou,Wei-Jing Wu,Jianhua Zou,Miao Xu,Lei Wang,Junbiao Peng 한국정보디스플레이학회 2020 Journal of information display Vol.21 No.1
This paper presents a new gate driver integrated by In-Zn-O thin-film transistors (IZO TFTs) with the etch stop layer (ESL) structure, in which only a single negative power source is used on account of a new boosting module. The boosting module is controlled only by the VIN signal for generating a lower level than VSS. The proposed gate driver with 15 stages is fabricated through the IZO TFT process on a glass substrate to verify its function. The experiment results showed that the proposed gate driver can successfully output full-swing waveforms with resistive load RL=2 kΩ and capacitive load CL=30 pF at the 16.7 and 66.7 kHz clock frequencies, and can also output as small as 3.2 μs pulse width with little distortion, revealing good stability.
Jing-shu Xu,Yong-xin Li,Xiao-li Yang 대한토목학회 2018 KSCE JOURNAL OF CIVIL ENGINEERING Vol.22 No.10
Soil strength nonlinearity and dilatancy have significant impacts on the stability of a slope. In the present analysis, a seismic stability analysis of a three-dimensional two-stage slope considering the joined influences of soil strength nonlinearity and dilatancy is conducted. Based on the limit analysis method, the external work rates by soil weight and the seismic forces as well as the internal energy dissipations are calculated and thereafter the critical height of the slope is derived. In virtue of the nonlinear optimization procedure, the stability factor of a 3D slope subjected to seismic forces is captured. The effects of slope geometry, seismic forces, soil strength nonlinearity and dilatancy on the slope stability are investigated by parameter analysis. It is found from the results that, the depth coefficient α1 and dilative parameter n have positive effects on the stability of a two-stage slope while the other factors such as the seismic coefficient kh and the nonlinear coefficient m have negative effects on it. In addition, the effect of soil nonlinearity on slope stability aggravates when the seismic force coefficient kh and the dilative parameter n increase.