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Mechanical Behavior of CCA Wall Infilled Steel Frames with Preset Vertical Slits
You-Sheng Yu,Ya-Nan Guo,Can Mei 대한토목학회 2021 KSCE JOURNAL OF CIVIL ENGINEERING Vol.25 No.10
In view of the unfavorable interaction between the steel frame and cellulose fiber cement sheets autoclaved (CCA) wall, preset vertical slits are adopted on the wallboard. Four 1:2-scale, single-bay, and single-storey steel frames, one bare steel frame, one CCA wall infilled steel frame without any measures, and two CCA wall infilled steel frames with different patterns of a slit, were tested under low cyclic load. The failure mode and additional stiffness of the CCA wall were obtained from the test. Besides, the effects of the vertical slits on hysteretic performance, bearing capacity, and the stiffness degradation of specimens were also studied. It was found that the preset vertical slits were effective in delaying the cracking of the CCA wall, and in reducing the additional stiffness of the CCA wall for the steel frame structures. To further study the failure characteristics of CCA wall, the finite element models of the CCA wall infilled steel frames were established and verified against the test results. The findings in this paper will have a certain reference value for the future research and engineering applications of similar steel frames with infill walls.
Genetic Diversity for Rice Blast Management
(You Yong Zhu),(Hai Ru Chen),(Yun Yue Wang),(Zuos Hea Li),(Yan Li),(Jing Hua Fan),(Jian Bing Chen),(Jin Xiang Fan),(Shi Sheng Yang),(Guang Liang Ma),(Ling Ping Hu),(Jin Yu Zou),(Christopher C . Mundt) 한국균학회 2001 Proceedings of the Fifth Korea-China Joint Symposi Vol.- No.-
( Huang Yu Tzu ),( Pi Ling Chen ),( Galilee Uy Semblante ),( Sheng Jie You ) 한국미생물 · 생명공학회 2012 Journal of microbiology and biotechnology Vol.22 No.8
Polyhydroxyalkanoate (PHA) is a class of biodegradable plastics that have great potential applications in the near future. In this study, the micro-biodiversity and productivity of PHA-accumulating bacteria in activated sludge from a domestic wastewater treatment plant were investigated. A previously reported primer set and a selfdesigned primer set (phaCF1BO/phaCR2BO) were both used to amplify the PHA synthase (phaC) gene of isolated colonies. The new primers demonstrated higher sensitivity for phaC, and combining the PCR results of the two primer sets was able to widen the range of detected genera and raise the sensitivity to nearly 90%. Results showed that 85.3% of the identified bacteria were Gram-negative, with Ralstonia as the dominant genus, and 14.7% were Gram-positive. In addition, Zoogloea and Rhizobium contained the highest amounts of intracellular PHA. It is apparent that glucose was a better carbon source than pentone or tryptone for promoting PHA production in Micrococcus. Two different classes, class I and class II, of phaC were detected from alphaproteobacteria, betaproteobacteria, and gammaproteobacteria, indicating the wide diversity of PHA-accumulating bacteria in this particular sampling site. Simultaneous wastewater treatment and PHA production is promising by adopting the high PHAaccumulating bacteria isolated from activated sludge.
Expression profiles of circular RNAs in sheep skeletal muscle
Cao, Yang,You, Shuang,Yao, Yang,Liu, Zhi-Jin,Hazi, Wureli,Li, Cun-Yuan,Zhang, Xiang-Yu,Hou, Xiao-Xu,Wei, Jun-Chang,Li, Xiao-Yue,Wang, Da-Wei,Chen, Chuang-Fu,Zhang, Yun-Feng,Ni, Wei,Hu, Sheng-Wei Asian Australasian Association of Animal Productio 2018 Animal Bioscience Vol.31 No.10
Objective: Circular RNAs (circRNAs) are a newfound class of non-coding RNA in animals and plants. Recent studies have revealed that circRNAs play important roles in cell proliferation, differentiation, autophagy and apoptosis during development. However, there are few reports about muscle development-related circRNAs in livestock. Methods: RNA sequencing analysis was employed to identify and annotate circRNAs from longissimus dorsi of sheep. Reverse transcription followed by real-time quantitative (q) polymerase chain reaction (PCR) analysis verified the presence of these circRNAs. Targetscan7.0 and miRanda were used to analyse the interaction of circRNA-microRNA (miRNA). To investigate the function of circRNAs, an experiment was conducted to perform enrichment analysis hosting genes of circRNAs using gene ontology (GO) and Kyoto encyclopedia of genes and genomes (KEGG) pathways. Results: About 75.5 million sequences were obtained from RNA libraries of sheep skeletal muscle. These sequences were mapped to 729 genes in the sheep reference genome. We identified 886 circRNAs, including numerous circular intronic RNAs and exonic circRNAs. Reverse transcription PCR (RT-PCR) and DNA sequencing analysis confirmed the presence of several circRNAs. Real-Time RT-PCR analysis exhibited resistance of sheep circRNAs to RNase R digestion. We found that many circRNAs interacted with muscle-specific miRNAs involved in growth and development of muscle, especially circ776. The GO and KEGG enrichment analysis showed that hosting genes of circRNAs was involved in muscle cell development and signaling pathway. Conclusion: The study provides comprehensive expression profiles of circRNAs in sheep skeletal muscle. Our study offers a large number of circRNAs to facilitate a better understanding of their roles in muscle growth. Meanwhile, we suggested that circ776 could be analyzed in future study.
Ming-feng Jiang,Sheng-wei Li,Min Chen,Ying-fan Cai,Yong-fang Xie,Biao Li,Quan Sun,Huai-zhong Jiang,Zheng Pan,Yun-ling Gao,You-Lu Yuan,Yu-zheng Shi 한국식물학회 2009 Journal of Plant Biology Vol.52 No.5
A cDNA encoding a novel cysteine proteinase inhibitor (CPI) was isolated from a gland mutant Xiangmian-18 of upland cotton during the pigments gland forming stage. The cDNA comprises 378 bp and encodes 125 amino acid residues with molecular mass of 13.8 kDa. It contains the conserved motif of cysteine protease inhibitors and belongs to the cystatin superfamily (Gln- Val-Val-Ala-Gly). The deduced amino acid sequences of the domains are highly similar to the normal upland cotton (96.8%). SDS-PAGE and western hybridization analysis showed that the expressed recombinant protein was recombinant CPI. The inhibitory activity of recombinant CPI was 46 u/μg which was measured by inhibiting the protease activity of papain. RT-PCR results indicated that the expression level of developing gland stage was higher than that of undeveloped gland stage.
Hieu Trung Nguyen,Si-Yu Guo,Sheng-Jie You,Ya-Fen Wang 대한환경공학회 2022 Environmental Engineering Research Vol.27 No.3
In this study, the PDVF membranes were fabricated with a La-doped TiO₂ (La-TiO₂) photocatalytic coating in which La element was recovered from the waste fluorescent powder. The process of La element recovery was investigated under different conditions with different acid concentrations. La-TiO₂ photocatalysts were facilely synthesized by the solvothermal method at 80°C followed by thermal sintering at 400°C. The La-TiO₂ photocatalytic membrane fabrication was carried out by dip-coating the polyacrylic acid (PAA) plasma-grafted PVDF membrane into the suspension La-TiO₂. The waste fluorescent powder was characterized by X-Ray Photoelectron Spectroscopy (XPS) and Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) after dissolving in the aqua regia. The La-TiO₂ by Fourier-Transform Infrared Spectroscopy (FTIR), X-ray diffraction (XRD), UV–Vis diffuse reflectance spectroscopy (DRS), and Scanning Electron Microscopy (SEM). The La-TiO₂ coated PVDF membrane was used to study the filtration and visible light driven photocatalytic degradation of Reactive Blue 5 solution. The experimental results showed that La-TiO₂ possesses high photocatalytic activity (efficiency of 100% after 6-h irradiation), and the best membrane (La-TiO₂/PAA/PVDF) performance (efficiency of 87%) with the water contact angle of 11.4⁰ was achieved. Thereby, it showed that the La-TiO₂ photocatalytic membranes were successfully fabricated with antifouling, self-cleaning properties.
Two Androstane Derivatives from the Cultures of Fungus Marasmiellus ramealis (Bull.) Singer
Ning-Ning Yang,Qing-Yun Ma,Sheng-Zhuo Huang,Hao-Fu Dai,Zhi-Kai Guo,Zhi-Fang Yu,You-Xing Zhao 대한화학회 2014 Bulletin of the Korean Chemical Society Vol.35 No.11
A new androstane derivative, 4β-methyl-15-oxa-14β-androstane-7-ene-4α-carboxylic acid (1) and a known one 4β-methyl-15-oxa-14β-androstane-7-ene-4α-hydroxyl (2) were isolated from the EtOAc extract of the cultures of the fungus Marasmiellus ramealis (Bull.) Singer. Their structures were elucidated on the basis of 1D and 2D NMR as well as MS spectroscopic data analysis. The inhibitory activity of two isolates against acetylcholinesterase (AChE) revealed that compound 1 exhibited definitely inhibitory activity.
Two Androstane Derivatives from the Cultures of Fungus Marasmiellus ramealis (Bull.) Singer
Yang, Ning-Ning,Ma, Qing-Yun,Huang, Sheng-Zhuo,Dai, Hao-Fu,Guo, Zhi-Kai,Yu, Zhi-Fang,Zhao, You-Xing Korean Chemical Society 2014 Bulletin of the Korean Chemical Society Vol.35 No.11
A new androstane derivative, $4{\beta}$-methyl-15-oxa-$14{\beta}$-androstane-7-ene-$4{\alpha}$-carboxylic acid (1) and a known one $4{\beta}$-methyl-15-oxa-$14{\beta}$-androstane-7-ene-$4{\alpha}$-hydroxyl (2) were isolated from the EtOAc extract of the cultures of the fungus Marasmiellus ramealis (Bull.) Singer. Their structures were elucidated on the basis of 1D and 2D NMR as well as MS spectroscopic data analysis. The inhibitory activity of two isolates against acetylcholinesterase (AChE) revealed that compound 1 exhibited definitely inhibitory activity.
Ge, Nai-Jian,Shi, Zhi-Yong,Yu, Xiao-He,Huang, Xiao-Jun,Wu, You-Sheng,Chen, Yuan-Yuan,Zhang, Jin,Yang, Ye-Fa Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.9
Background: Hepatocellular carcinoma (HCC) is one of the most prevalent malignancies worldwide. Transarterial chemoembolisation (TACE) is the standardized therapy for intermediate stage HCC. However, the prognosis for HCC patients treated by TACE greatly varies. Thus, there is a critical need for finding biomarkers to predict the prognosis of HCC patients. The amino acid transporter-2 (ASCT2) is involved in tumorigenesis and progression of many malignancies. This study aimed to evaluate the predictive role of two single nuclear polymorphisms (SNPs, rs3826793 and rs2070246) in the ASCT2 gene in HCC patients treated by TACE. Materials and Methods: Two functional SNPs (rs3826793 and rs2070246) in the ASCT2 gene were selected and genotyped using the Sequenom iPLEX genotyping system in a cohort of 448 unresectable Chinese HCC patients treated by TACE. Univariate and multivariate Cox proportional hazards models and Kaplan-Meier curves were used for the prognosis analyses. Results: There was no significant association between two SNPs (rs3826793 and rs2070246) in the ASCT2 gene and overall survival of TACE treated HCC patients. However, we demonstrated that patients with early stage HCC carrying T genotype in rs2070246 showed better OS than those carrying CC genotype (P=0.023). Conclusions: We demonstrated that patients with early stage HCC carrying T genotype in rs2070246 showed better OS than those carrying CC genotype.