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RISS 인기검색어
- 검색키워드
- 저자 : Jia Lulu (검색결과 4 건)
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Zhigang Jia,Lulu Yang,Jianhong Liu,Qiuze Wang,Rongsun Zhu 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
Magnetic carbon spheres have been successfully prepared by the synchronous carbonation and activationof the 8-quinoliolato Fe(III) complexe with sphere morphology, which has been synthesized bysolovthermal method. The obtained composite possesses relatively even pore diameter of 3.8 nm, highsurface area of 335.59m2/g with 52.67 wt.% Fe3O4 coated, and a saturation magnetization (Ms) of35.27 emu/g. Dye separationperformance of the magnetic carbon spheres is investigated using methyleneorange and methylene blue as modle. The resluts show that the maxium adsorption capacity formethylene orange and methylene blue is 128.70mgg 1 and 151.29mgg 1, respectively, and the processcan rapidly reach adsorption equilibrium within 5 min, which is important for the application of the aspreparedmagnetic carbon spheres.
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Endogenous leptin promotes autophagy in EBSS-induced PFCs
Deling Jiao,Zhen Yang,Lulu Wang,Binyue Hu,Jing Wang,Anyong Xu,Wenmin Cheng,Baoyu Jia,Yubo Qing,Hong-Ye Zhao,Hong-Jiang Wei 한국통합생물학회 2019 Animal cells and systems Vol.23 No.5
Leptin is an important adipokine and plays a vital role in animals. However, the role of leptin in the autophagic response of pig fibroblast cells (PFCs) has not been fully elucidated. In this study, we investigated the relationship between leptin and autophagy as well as underlying molecular basis. We found that PFCs treated with EBSS could secrete leptin, and the leptin concentration in the supernatant of leptin transgenic PFCs was higher than that of WT PFCs. We found an increase in LC3-II protein level and a decrease in p62 protein level in treated leptin transgenic PFCs compared with treated WT PFCs. Meanwhile, we observed an increase of autophagosomes by transmission electron microscopy and an enhancement of the accumulation of LC3 puncta in the cytoplasm of treated leptin transgenic PFCs, and these effects were further augmented by Baf A1 treatment. Furthermore, we detected the expression levels of 7 autophagy signaling pathway genes and 17 autophagy-related (ATG) genes by q-PCR. We found that between the two types of EBSS-treated cells 3 genes expression pattern were significantly different among the 7 autophagy signaling pathway genes and 8 genes expression pattern were significantly differernt among the ATG genes. These results indicated that leptin may promote autophagy and involving the downregulation of FOXO1 and LMNA genes via an unknown pathway which causes the upregulation of the 4 genes and the downregulation of 4 genes.
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Resistance Reduction Scheme for Tower Grounding with Conductive Cement
Lun Li,Tian Xu,Pei Feng,Liu Xin,Jia Lulu,Deng Chenxing,Wang Xing,Lan Fen,Cheng Hongbo 대한전기학회 2021 Journal of Electrical Engineering & Technology Vol.16 No.3
The construction conditions of transmission lines are becoming more and more diffi cult. It is necessary to fi nd new ways to reduce the grounding resistance of poles and towers at high soil resistivity and small construction area. Conductive cement samples with graphite, stainless steel fi bers, and their mixtures as conductive phases materials were prepared, the resistivity, fl exural strength and compressive strength were tested, compared and analyzed. The graphite and stainless steel fi ber conductive cement with better comprehensive performance was selected out for tower grounding. The application schemes of conductive cement for tower grounding were designed and compared, the partial wrapping scheme was selected and its application methods under diff erent soil resistivity was analyzed. The analysis results can provide theoretical basis and guidance for the application of conductive cement in transmission tower grounding, the feasibility of scheme is proved by the fi eld application.
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Lu Lu,Jia Li,Dickon H.L. Ng,Ping Yang,Peng Song,Min Zuo 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.46 No.-
Hierarchically porous Fe3O4@MgAl–LDH magnetic microspheres were reported as novel efficientadsorbent for the removal of anionic dye from water. The as-prepared microspheres had vertically/slantly/horizontally oriented platelets-coated morphology, and exhibited superb adsorption capacity of813.0 mg/g for Congo red (CR), which was the highest reported value of magnetic adsorbents. Theadsorption kinetics and isotherm of CR on microspheres followed the pseudo-second-order andLangmuir model, respectively, and the adsorption processes were spontaneous and endothermic innature. The adsorbed samples could be regenerated by methanol, and easily magnetically separated fromaqueous solution. The synthesized materials might act as excellent adsorbents for environmentalprocesses.
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