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- 저자 : Xinglin Yang (검색결과 2 건)
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Jiaqi Zhang,Quanhui Hou,Yanbing Liu,Xinglin Yang 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.118 No.-
The design of catalysts with excellent catalytic activity plays an important role in the field of solid-statehydrogen storage of new energy sources. Herein, a novel hydrangea-like NiO@NiMoO4 composite catalystwas prepared through a facile hydrothermal reaction. Subsequently, NiO@NiMoO4 was doped into MgH2by ball milling to solve the problems of high dehydrogenation temperature and slow desorption kineticsof MgH2. It can be seen from the experimental results that the MgH2 + 10 wt% NiO@NiMoO4 compositestarts to dehydrogenate at about 190 C, which is about 170 C lower than that of pure MgH2. Meanwhile,after complete dehydrogenation, the composites can start to absorb hydrogen below 40 C. Comparedwith pure MgH2, the activation energy of hydrogen absorption and dehydrogenation of the compositedecreased by 47.6 kJ/mol and 46.5 kJ/mol, respectively. In 10th cycle tests, the MgH2 + 10 wt%NiO@NiMoO4 composite still has good cycle stability. After adding a small amount of biomass charcoal,the hydrogen storage capacity can even be maintained above 97%. Furthermore, the characterizationresults show that the in situ generated new species Mo and Mg2Ni/Mg2NiH4 synergistically promotethe adsorption and dissociation of hydrogen. This new synergistic mechanism provides new comprehensiveinsights for improving reversible hydrogen storage in MgH2.
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Identification and Characterization of EDT1 Conferring Drought Tolerance in Rice
Tao Wu,Mingxing Zhang,Hongjia Zhang,Kai Huang,Mojun Chen,Chen Chen,Xue Yang,Zhao Li,Haoyuan Chen,Zhiming Ma,Xunming Zhang,Wenzhu Jiang,Xinglin Du 한국식물학회 2019 Journal of Plant Biology Vol.62 No.1
Basic Leucine Zipper (bZIP) transcription factors(TFs) play important roles in many processes, especially inabiotic stress response in plants. In this study, we characterizeda new gene EHANCED DROUGHT TOLERANCE 1 (EDT1),member of group E of bZIP transcription factor family inrice. The EDT1 protein contains one bZIP domain, oneputative nuclear localization signal (NLS) and six conservedphosphorylation sites. The expression of EDT1 is suppressedby several abiotic stresses, such as cold, droutht, and salt. Corresponding with expression patterns, several stress-associatedcis-acting elements were found in the EDT1 promoter. Theresults of subcellular localization and transactivation abilityanalyses indicated that EDT1 was localized in the nucleusand functioned as a nuclear protein, with its transactivationactivity primarily located in N-terminal. Transgenic riceoverexpressing EDT1 showed drought tolerance that hasbeen significantly improved. Real-time PCR analysis revealedthat some stress-related genes, such as OsbZIP12, SNAC1,OsLEA3, OsbZIP16, OsbZIP10 and OsABI2 were up-regulatedin EDT1 overexpression lines. These results indicate thatEDT1 plays a positive role in drought tolerance and providesvaluable targets for breeding drought-tolerant rice cultivars.
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