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Two new meroterpenoids produced by the endophytic fungus Penicillium sp. SXH-65
Xinhua Sun,Xianglan Kong,Huquan Gao,Tianjiao Zhu,Guangwei Wu,Qianqun Gu,Dehai Li 대한약학회 2014 Archives of Pharmacal Research Vol.37 No.8
Two new meroterpenoids, arisugacins I (1) andJ (2), together with five known meroterpenoids includingarisugacin B (3), arisugacin F (4), arisugacin G (5), territremB (6) and territrem C (7) were isolated from anendophytic fungus Penicillium sp. SXH-65. Their structureswere determined by extensive spectroscopic experimentsand comparison with literature data. Theircytotoxicities were evaluated against Hela, HL-60 andK562 cell lines, and only 3 and 4 exhibited weak cytotoxicitiesagainst Hela, HL-60 and K562 cell lines withIC50 values ranging from 24 to 60 lM.
Zhuhong Ding,Bin Gao,Yongshang Wan,Xinhua Zhu,Shengsen Wang,Andrew R. Zimmerman 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.37 No.-
Hickory biochars were obtained through slow pyrolysis under 350 8C, 450 8C, and 600 8C. Multiplecharacterization techniques were used to characterize the biochars and showed pyrolysis temperatureaffected their O/C ratios, surface areas, cation-exchange capacities, zeta potential, surface acidic groups. As the result, the biochars showed different adsorption ability to Pb(II) and methylene blue in aqueoussolutions, which was due to the important roles of the physicochemical properties of the biochars incontrolling the sorption processes. This work provided a comprehensive evaluation of biochars, and thusexpanded on previous research on effects of pyrolysis temperature on biochar properties.
Shi Lijun,Zhang Longchao,Wang Ligang,Liu Xin,Gao Hongmei,Hou Xinhua,Zhao Fuping,Yan Hua,Cai Wentao,Wang Lixian 아세아·태평양축산학회 2022 Animal Bioscience Vol.35 No.6
Objective: This study was conducted to identify the functional long non-coding RNAs (lncRNAs) for swine lactation by RNA-seq data of mammary gland. Methods: According to the RNA-seq data of swine mammary gland, we screened lncRNAs, performed differential expression analysis, and confirmed the functional lncRNAs for swine lactation by validation of genome wide association study (GWAS) signals, functional annotation and weighted gene co-expression network analysis (WGCNA). Results: We totally identified 286 differentially expressed (DE) lncRNAs in mammary gland at different stages from 14 days prior to (-) parturition to day 1 after (+) parturition, and the expressions of most of lncRNAs were strongly changed from day –2 to day +1. Further, the GWAS signals of sow milk ability trait were significantly enriched in DE lncRNAs. Functional annotation revealed that these DE lncRNAs were mainly involved in mammary gland and lactation developing, milk composition metabolism and colostrum function. By performing weighted WGCNA, we identified 7 out of 12 lncRNA-mRNA modules that were highly associated with the mammary gland at day –14, day –2, and day +1, in which, 35 lncRNAs and 319 mRNAs were involved. Conclusion: This study suggested that 18 lncRNAs and their 20 target genes were promising candidates for swine parturition and colostrum occurrence processes. Our research provided new insights into lncRNA profiles and their regulating mechanisms from colostrogenesis to lactogenesis in swine. Objective: This study was conducted to identify the functional long non-coding RNAs (lncRNAs) for swine lactation by RNA-seq data of mammary gland.Methods: According to the RNA-seq data of swine mammary gland, we screened lncRNAs, performed differential expression analysis, and confirmed the functional lncRNAs for swine lactation by validation of genome wide association study (GWAS) signals, functional annotation and weighted gene co-expression network analysis (WGCNA).Results: We totally identified 286 differentially expressed (DE) lncRNAs in mammary gland at different stages from 14 days prior to (-) parturition to day 1 after (+) parturition, and the expressions of most of lncRNAs were strongly changed from day –2 to day +1. Further, the GWAS signals of sow milk ability trait were significantly enriched in DE lncRNAs. Functional annotation revealed that these DE lncRNAs were mainly involved in mammary gland and lactation developing, milk composition metabolism and colostrum function. By performing weighted WGCNA, we identified 7 out of 12 lncRNA-mRNA modules that were highly associated with the mammary gland at day –14, day –2, and day +1, in which, 35 lncRNAs and 319 mRNAs were involved.Conclusion: This study suggested that 18 lncRNAs and their 20 target genes were promising candidates for swine parturition and colostrum occurrence processes. Our research provided new insights into lncRNA profiles and their regulating mechanisms from colostrogenesis to lactogenesis in swine.
Renxin Xu,Huan Yang,Huajun Sun,Jing Zhou,Zhijun Yue,Xinhua Gao 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2019 NANO Vol.14 No.2
Mg0.2Mn0.8YxFe2-xO4 (x = 0.000, 0.025, 0.050 and 0.075) nanocrystalline is synthesized via hydrothermal technique. Single cubic spinel phase is confirmed by XRD and the formation of Mg0.2Mn0.8YxFe2-xO4 is verified by EDS. The average size of the nanoferrites is around 80 nm, which is examined by TEM image. Y3+ substituted Mg-Mn nanoferrites exhibit low saturation magnetization (Ms) and coercivity (Hc). Especially, the nanoferrites with x = 0.075 show the lowest Ms and Hc of 46.96 emu/g and 12.04 Oe, respectively. The ferrite composites present that the resistivity and the magnetic loss are less than 4.5 x 10 7 Ω · cm and 0.7 in the range of 2–18 GHz, respectively. The low coercivity and high resistivity indicate that the addition of Y3+ contributes to the synthesis of the excellent soft magnetic materials.