Now showing items 660-679 of 5878

    • D_(201)-GM大孔树脂吸附交联固定菊粉酶的研究 

      万武光; 魏文铃; 王世媛 (1999)
      克鲁维酵母(kluyVErOMyCESSP.)y-85产生的胞内菊粉酶(EndOCElulArInulInASE),以d201-gM大孔径阴离子交换树脂吸附交联法固定化,其制备固定化酶(IE)的适宜条件:树脂吸附酶时PH6.5、温度30℃、时间3H;交联时戊二醛浓度0.03%、温度4℃、时间3H。上述条件下制得IE的活性产率可达62%,水解菊粉底物的最适温度55℃,对热的稳定性和贮存稳定性均有明显提高,用IE填充床反应器连续降解菊粉抽提 ...
    • DA-6对甜菊叶片糖苷含量和组分影响研究 

      林永顺; 陈睦传; 沈明山; 洪维廉 (1998)
      培育丰产、优质、高糖苷含量的甜菊新品种是关系甜菊资源利用的主要课题。本研究以3种不同浓度(20x10-6、30x10-6和40x10-6)dA-6处理甜菊叶片,不同时间(处理后7d,14d和21d)取材,应用重量法测定总糖苷含量,HPlC分离检测两种主要糖苷组分(SS和rA),显示dA—6对叶片总糖苷含量及主要组分的影响均呈一定的浓度效应和时间效应,并由此而筛选出有利于生产合适的dA—6处理方法。
    • DA-6对甜菊叶片细胞超微结构的影响研究 

      沈明山; 林永顺; 陈睦传; 洪维廉 (1999)
      本试验以3 种不同浓度(20 x10 - 6g/Ml、30x10- 6g/Ml和40 x10- 6g/Ml)dA- 6 处理甜菊叶片,不同时间( 处理后7d、14d 和21d) 取材,应用电镜技术观察细胞超微结构,发现处理后多种细胞器发生了不同程度的变化,并呈一定的浓度效应和时间效应。
    • Daxx cooperates with the Axin/HIPK2/p53 complex to induce cell death 

      Li, Qinxi; 李勤喜; Wang, Xuan; Wu, Xiaoling; Rui, Yanning(Department of Biochemistry, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China); Liu, Wei(Department of Biochemistry, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China); Wang, Jifeng; Wang, Xinghao(Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah); Lion, Yih-Cherng(Department of Biological Science, National University of Singapore, Singapore ); Ye, Zhiyun; 叶志云; Lin, Sheng-Cai; 林圣彩 (AMER ASSOC CANCER RESEARCH, 2007)
      Daxx, a death domain-associated protein, has been implicated in proapoptosis, antiapoptosis, and transcriptional regulation. Many factors known to play critically important roles in controlling apoptosis and gene transcription ...
    • DDEFL1的结构和功能研究进展 

      刘秋艳(华侨大学分子药物学研究所分子药物教育部工程研究中心); 许瑞安(华侨大学分子药物学研究所分子药物教育部工程研究中心); 杨云青 (《中国卫生产业》编辑部, 2012-03)
      DDEFL1又称为ASAP3(、ACAP4或UPLC1,属于小G蛋白家族中Arfs家族的一种ArfGAP。人的肝和肺是DDEFL1表达水平较高的两个组织[1]。了解DDEFL1的结构及功能,可以为肝癌或其它癌症患者提供一种新的基因治疗方案。
    • Decomposition dynamic of fine roots in a mixed forest of Cunninghamia lanceolata and Tsoongiodendron odorum in mid-subtropics 

      Yang, YS; 杨玉盛; Chen, GS; Guo, JF; 郭剑芬; Lin, P; 林鹏 (E D P SCIENCES, 2004)
      Decomposition of fine roots (< 2 mm in diameter, viz. < 0.5 mm, 0.5-1.0 mm, 1.0-2.0 mm) was studied by means of litter bag in a mixed forest of Chinese fir (Cunninghamia lanceolata (Lamb.) Hook.) and Tsoong's tree ...
    • Decreased monoamine oxidase (MAO) activity and MAO-A expression as diagnostic indicators of human esophageal cancers 

      Jiang, Jie; Du, Haoxin; Geng, Guojun; Yao, Chengcai; Yang, Bingye; Jiang, Zhen; Zhang, Qiqing; Jin, Lihua; 金利华 (TAYLOR & FRANCIS LTD, 2009)
      Human esophageal cancer is a common occurring malignancy with high mortality rate partially due to lack of tools for early diagnosis. In this study, we have analysed tumour tissue from 50 cases of primary esophageal cancer. ...
    • Decreased pygopus 2 expression suppresses glioblastoma U251 cell growth 

      Wang, Zhan-xiang(Fujian Med Univ, Hosp Xiamen 1, Dept Neurosurg); Chen, Yu-ying; Li, Bo-an; 李博安; Tan, Guo-wei; Liu, Xi-yao; Shen, Shang-hang; Zhu, Hong-wei; Wang, Hai-dong (SPRINGER, 2010)
      Gliomas are common malignant tumors of the human neural system, and Wnt signaling activation is closely related to glioma malignancy. Human Pygopus 2 (Pygo2) was recently discovered to be a component of the Wnt signaling ...
    • Defects in cytoskeletal microtubule deployment of microsporocytes contribute to fertility loss in genic male-sterile Chinese cabbage 

      Fu, Shao; Zhang, Ya Nan; Wang, Ya Ying; Zhu, Xue Yi; Tian, Hui Qiao; Russell, Scott D.; 朱学艺; 田惠桥 (SPRINGER, 2013)
      The microtubular cytoskeleton of male-sterile Chinese cabbage was examined to characterize cytoplasmically based defects during microsporogenesis of fertile and sterile microsporocytes. At the onset of meiosis, microtubules ...
    • Deficiency in steroid receptor coactivator 3 enhances cytokine production in IgE-stimulated mast cells and passive systemic anaphylaxis in mice 

      Xia, Xiaochun; Wan, Wei; Chen, Qiang; Liu, Kun; Majaz, Sidra; Mo, Pingli; Xu, Jianming; Yu, Chundong; 莫萍丽; 陈强; 俞春东 (BIOMED CENTRAL LTD, 2014-04-23)
      Background: Steroid receptor coactivator 3 (SRC-3) is a multifunctional protein that plays an important role in malignancy of several cancers and in regulation of bacterial LPS-induced inflammation. However, the involvement ...
    • Degradation of retinoid X receptor alpha by TPA through proteasome pathway in gastric cancer cells 

      Ye, XF; Liu, S; Wu, Q; 吴乔; Lin, XF; Zhang, B; Wu, JF; Zhang, MQ; Su, WJ; 苏文金 (W J G PRESS, 2003)
      AIM: To investigate and determine the mechanism and signal pathway of tetradecanoylphorbol-1, 3-acetate (TPA) in degradation of RXRalpha. METHODS: Gastric cancer cell line, BGC-823 was used in the experiments. The expression ...
    • Denaturation Kinetics of N-Acetyl/beta-D-glucosaminidase from Scylla serrata in Urea Solution 

      Lin, JC; Li, HL; Chen, LH; Yang, XM; Wang, Q; Chen, QX (2011-09)
      N-Acetyl-beta-D-glucosaminidase(NAGase, EC 3.2.1.52), which catalyzes the cleavage of N-acetylglucosamine polymers, plays important roles in the molting, digestion of chitinous foods in green crab. In the study, the efforts ...
    • Denaturation Kinetics of N-Acetyl/beta-D-glucosaminidase from Scylla serrata in Urea Solution 

      Lin Jian-cheng; Li Hua-liang; Chen Liang-hua; Yang Xue-min; Wang Qin; Chen Qing-xi; 陈清西 (2011-09)
      N-Acetyl-beta-D-glucosaminidase(NAGase, EC 3.2.1.52), which catalyzes the cleavage of N-acetylglucosamine polymers, plays important roles in the molting, digestion of chitinous foods in green crab. In the study, the efforts ...
    • DEPENDENCE OF PHENANTHRENE DISSIPATION IN MANGROVE SEDIMENT ON THE DISTANCE TO ROOT SURFACE OF KANDELIA OBOVATA L 

      Fang, Yu; Yan, Chong-Ling; Du, Jing-Na; Yu, Jun-Yi; 严重玲 (2012)
      We explored the relationship between the distance from roots and rhizosphere-mediated phenanthrene (PHE) dissipation in planted mangrove sediment. A compartmentalized device (rhizobox) was used that separated root surface ...
    • Description of a new ascarid species in elasmobranchs from Taiwan Strait 

      Fang, Wenzhen; 方文珍; Luo, Damin; 罗大民 (AMER SOC PARASITOLOGISTS, 2006)
      A new ascarid of elasmobranchs, Terranova amoyensis sp. n., is described from the intestine of the red stringray, Dasyatis akajei (Muller and Henle), from Taiwan Strait. This is the second report from this genus with a ...
    • Detailed modeling of Superconducting Magnetic Energy Storage (SMES) system 

      陈亮 (2006)
      This paper presents a detailed model for simulation of a Superconducting Magnetic Energy Storage (SMES) system. SMES technology has the potential to bring real power storage characteristic to the utility transmission and ...
    • Detecting and tracking regional outliers in meteorological data 

      陈亮 (2007)
      Detecting spatial outliers can help identify significant anomalies in spatial data sequences. In the field of meteorological data processing, spatial outliers are frequently associated with natural disasters such as tornadoes ...
    • Detection of antitumor and antimicrobial activities in marine organism associated actinomycetes isolated from the Taiwan Strait, China 

      Zheng, Z. H.; Zeng, W.; Huang, Y. J.; Yang, Z. Y.; Li, J.; Cai, H. R.; Su, W. J.; 郑忠辉 (2000-07-01)
      The purpose of this work was to screen the actinomycetes having antitumor or antimicrobial activity, which were isolated from the surface, epidermis and intestines of sea plants and animals collected from the Taiwan Strait, ...
    • Detection of antitumor and antimicrobial activities in marine organism associated actinomycetes isolated from the Taiwan Strait, China 

      Cai,HR; Zeng,W; Zheng,ZH; Su,WJ; Li,J; Yang,ZY; Huang,YJ; 黄耀坚 (2000-07-01)
      The purpose of this work was to screen the actinomycetes having antitumor or antimicrobial activity, which were isolated from the surface, epidermis and intestines of sea plants and animals collected from the Taiwan Strait, ...
    • Detection of autoantibodies to multiple tumor-associated antigens in the immunodiagnosis of ovarian cancer 

      Wang, Kaijuan(Univ Texas El Paso); Zhang, Jian-Ying(Univ Texas El Paso); Li, Liuxia(Univ Texas El Paso); Dai, Liping(Zhengzhou Univ); Wang, Peng(Zhengzhou Univ); Peng, Xuan-Xian; 彭宣宪 (SPANDIDOS PUBL LTD, 2008)
      Ovarian cancer is one of the most common cancers in women. Its early stages may be asymptomatic, and as a result diagnosis frequently occurrs at an advanced, often incurable, stage. The high mortality and low survival rates ...