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- 저자 : Guolin Huang (검색결과 4 건)
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( Guolin Sun ),( Gordon Owusu Boateng ),( Hu Huang ),( Wei Jiang ) 한국인터넷정보학회 2019 KSII Transactions on Internet and Information Syst Vol.13 No.8
Cloud radio access networks (C-RANs) have been regarded in recent times as a promising concept in future 5G technologies where all DSP processors are moved into a central base band unit (BBU) pool in the cloud, and distributed remote radio heads (RRHs) compress and forward received radio signals from mobile users to the BBUs through radio links. In such dynamic environment, automatic decision-making approaches, such as artificial intelligence based deep reinforcement learning (DRL), become imperative in designing new solutions. In this paper, we propose a generic framework of autonomous cell activation and customized physical resource allocation schemes for energy consumption and QoS optimization in wireless networks. We formulate the problem as fractional power control with bandwidth adaptation and full power control and bandwidth allocation models and set up a Q-learning model to satisfy the QoS requirements of users and to achieve low energy consumption with the minimum number of active RRHs under varying traffic demand and network densities. Extensive simulations are conducted to show the effectiveness of our proposed solution compared to existing schemes.
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CXCL-13 Regulates Resistance to 5-Fluorouracil in Colorectal Cancer
Guolin Zhang,Xin Luo,Wei Zhang,Engeng Chen,Jianbin Xu,Fei Wang,Gaoyang Cao,Zhenyu Ju,Dongai Jin,Xuefeng Huang,Wei Zhou,Zhangfa Song 대한암학회 2020 Cancer Research and Treatment Vol.52 No.2
Purpose 5-Fluorouracil (5-Fu) is used as a conventional chemotherapy drug in chemotherapy for patients with advanced colorectal cancer, but many patients still suffer from treatment failure due to 5-Fu resistance. Emerging observations revealed the important role of chemokine (C-X-C motif) ligand 13 (CXCL-13) in tumor microenvironment and its relationship with prognosis in patients with colorectal cancer. This study is designed to reveal the important role of CXCL-13 in causing colorectal cancer resistance to 5-Fu. Materials and Methods CXCL-13 levels of patient's serum or cell culture supernatants were measured separately by enzyme-linked immunosorbent assay. In cell assays, cell viability is detected by Cell Counting Kit-8. Therefore, the recombinant human CXCL-13 was used to simulate its high expression in cells while its antibody and siRNA were used to reduce CXCL-13 expression in cells. Results In this study, we demonstrated that CXCL-13 is associated with 5-Fu resistance by culture medium exchange experiments and cytokine arrays of colorectal cancer resistant and nonresistant cells. Clinical studies showed that CXCL-13 is highly expressed in the serum of 5-Fu–resistant patients. High levels of serum CXCL-13 also predict a worse clinical outcome. The addition of recombinant CXCL-13 cytokine resulted in 5-Fu resistance, while its antibody overcame 5-Fu resistance, and knockdown of CXCL-13 expression by siRNA also reduced 5-Fu resistance, which can be saved by added recombination CXCL-13. Conclusion These results not only identify a CXCL-13 mediated 5-Fu resistance mechanism but also provide a novel target for 5-Fu–resistant colorectal cancer in prevention and treatment strategies.
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Liang Ma,Guolin Xiang,Yuan Huang,Meng-Ya He,Jianping Li,Pengbo Fu 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.85 No.-
Afluidized bed has the advantages of treating largeflows, intensifying mass and heat transfer, andlowering costs. This study proposed a cyclonicfluidized bed packed with spherical activated carbonadsorbents for volatile organic compounds adsorption. Thefluidization and self-rotation of the ACparticles in a 25 mm cyclonicfluidized bed were studied with high-speed camera testing technology. Theeffects of the particle movement on the adsorption efficiency of toluene were also tested. The resultsshow that most of the particles at the inlet side of the cyclonicfluidized bed were moving up when theinlet airflow rate was greater than 2.0 m3/h. The particles began to move in clusters when the relativepacking height increased to a critical value of 0.57. Increasing the gasflow rate and the diameter andheight of the core column will increase the self-rotation speed of the total particles. The maximum selfrotationspeed of spherical adsorbents reached 1700 rad/s at the inletflow rate of 2.5 m3/h. In the case ofthe same axial velocity of the gas phase in the upper space of the core column, increasing the particle selfrotationspeed can slightly improve the adsorption efficiency. The maximum adsorption efficiencyreached 99% when the inletflow rate is 1.0 m3/h with relative packing height 0.65.
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Qin Zhang,Lijiao Fan,Wenbin Liu,Yuming Xie,Jiangang Li,Guolin Huang 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.124 No.-
The core–shell structure UiO-66-NH2@Ni-MOF was prepared by in-diffusion growth of 2D Ni-MOF onUiO-66-NH2 using PVP (polyvinylpyrrolidone) as a structural guide. It was applied to the adsorption ofU(VI) in aqueous solution. The materials were characterized by powder X-ray diffraction (PXRD),Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), transmission electronmicroscopy (TEM), and energy dispersive spectrometer (EDS). The UiO-66-NH2@Ni-MOF adsorptionto U(VI) was investigated experimentally. The study showed that the adsorption of U(VI) onto UiO-66-NH2@Ni-MOF was endothermic and spontaneous. At pH 5.00 and 308 K, the adsorption capacity was581.40 mg/g according to Langmuir model. In addition, the adsorption process can be described by thepseudo-second-order kinetic model. The adsorption capacity was kept at 83.83% of its original one afterfive sorption–desorption cycles, a promising indication for repetitive usage.
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