聚赖氨酸

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  • polylysine
聚赖氨酸聚赖氨酸
  1. 多聚赖氨酸可促进细胞对材料的黏附,IGF1对成骨细胞的增殖促进作用明显。

    Polylysine could enhance the adhesion of cell onto the artificial bone material.IGF_1increased the proliferation of osteoblast markedly .

  2. MTG酶催化ε-聚赖氨酸接枝羊毛抗菌整理

    Grafting of ε - Polylysine on Wool with MTG for Antibacterial Finishing

  3. 结论糖化多聚赖氨酸对质粒DNA的肝脏靶向定位效果优于脂质体;

    Conclusion The effect of G-PLL on liver target uptake and expression is better than that of liposome ;

  4. 结果表明,在DNA固定率上,自行包被处理的国产载玻片与进口多聚赖氨酸载玻片没有显著差异;

    DNA attachment rates were investigated and the results indicated that there was no obvious difference between the two kinds of slides .

  5. 作为一种食品防腐剂,ε-聚赖氨酸抑菌谱广,水溶性强,安全性高,在高温下稳定,pH范围宽,已被越来越多应用。

    As one kind of food preservative ,ε - polylysine shows a wide PH range . It has been increasingly adopted as food preservatives nowadays .

  6. 用高压静电成囊装置制备藻酸钠-多聚赖氨酸-藻酸钠(APA)微囊化细胞。

    Alginate-polylysine-alginate ( APA ) microencapsulated cells were made with a high voltage electostatic system .

  7. 目的探讨海藻酸钙-多聚赖氨酸-海藻酸钙(APA)微囊低温保存的降温方法。

    ObjectiveTo explore the methods of low temperature preservation for alginate-polylysine-alginate ( APA ) microcapsules .

  8. 结论:细胞外基质多聚赖氨酸能明显促进MSCs的贴壁和增殖,有助于MSCs的体外扩增培养。

    Conclusion : The polylysine as an extracellular matrix can significantly increase the adhesion and proliferation capacity of MSCs in vitro .

  9. 免疫传感器的制备包括2个步骤,使用丝网印刷工艺制备一次性碳电极,然后通过戊二醛交联在电极表面固定2,4-D与多聚赖氨酸(PLL)的偶联物。

    The 2,4-D / PLL conjugate was immobilized on the surface of screen printed carbon electrode via crosslinking method .

  10. 结果表明双乙酸钠、Nisin、ε-聚赖氨酸的抑菌效果较明显。

    The experiments showed that the inhibition of Sodium Diacetate , Nisin , and ε - Polylysine was remarkable .

  11. 目的:探讨海藻酸钠多聚赖氨酸海藻酸钠(APA)微囊在宿主体内的免疫隔离作用。

    Objective : To study the immunoisolation effects of alginate - polylysine - alginate ( APA ) - microcapsules in vito .

  12. 对三维PHB多孔支架种植细胞实验表明,在PHB材料表面进行多聚赖氨酸衣被,可以有效地提高细胞种植效率。

    When the PHB foams scaffolds were coated by poly lysine , the seeding percentage of cells was also greatly enhanced .

  13. 方法从中国人外周血中分离单核细胞,采用多聚赖氨酸贴壁刺激0.5h后提取总RNA。

    Methods The peripheral blood mononuclear cells ( PBMCs ) were isolated by gradient fractionation and stimulated by adherence to polylysine coated culture dishes .

  14. 结论聚赖氨酸/海藻酸钠(APA)微胶囊与周围神经组织有良好的生物相容性;

    Conclusions There was good biocompatibility between the microencapsules of polylysine / sodium alginate and peripheral nerve tissue of rat in vivo .

  15. 采用真核细胞表达基因β半乳糖苷酶报道基因,在细胞培养中和小鼠体内观察乳糖聚赖氨酸复合物(LacPLL)对肝细胞的导向能力。

    Eukaryotic expression reporter gene β galactosidase was used to analyse the target delivery ability of the Lac PLL in cell culture and in mice .

  16. 珊瑚块分别用多聚赖氨酸、纤维粘连蛋白(Fn)和单纯培养液处理,接种成骨细胞后形成细胞/珊瑚复合物,在体外培养7、14、21天进行观察。

    The cells / coral composites were observed for the process of cells growth and matrix formation at 7 , 14 and 21 days after culture .

  17. 目的比较海藻酸壳聚糖聚乙烯乙二醇微囊(ACP微囊)和海藻酸聚赖氨酸海藻酸微囊(APA微囊)的生物相容性。

    Objective To compare the biocompatibility of the alginate polylysine alginate ( APA ) microcapsule and the alginate chitosan polyethyleneglycol ( ACP ) microcapsule .

  18. X光电子能谱和水接触角的数据表明多聚赖氨酸和DNA均能成功地自组装到钛及氧化钛纳米管表面。

    Finally , cellular behaviors of osteoblast cell on surfaces with different morphology and component were evaluated in vitro.X-ray photoelectron spectroscopy ( XPS ) and water contact angle measurement indicated that PLL and DNA were assembled onto titanium and titanium oxide nanotubes successfully .

  19. 方法以海藻酸钠-多聚赖氨酸-海藻酸钠(alginate-polylysine-alginate,APA)微囊包裹分离培养的毛乳头细胞;

    Methods The dermal papilla cells were encapsulated with alginate-polylysine-alginate by using a high-voltage electric field droplet generator .

  20. 方法:1、从SD大鼠骨髓中分离培养及鉴定MSCs。2、体外不同浓度SPIO联合多聚赖氨酸标记,未标记细胞设为对照组。

    Isolated MSCs from SD rat bone marrow , culture and identification of MSCs.2.1n vitro combined with different concentrations of poly-lysine tag SPIO , unlabeled cells as control .

  21. 方法SPDP法制备抗转铁蛋白受体与多聚赖氨酸(PLL)的复合物并用分子筛层析纯化。

    Methods The conjugate of anti-TfR McAb and polylysine ( PLL ) was made by SPDP and purified by molecular screen chromatography .

  22. 2比较卵磷脂、多聚赖氨酸和纤维粘连蛋白修饰PGA支架对支架的亲水性、软骨细胞生物学行为以及构建工程化软骨的影响。

    To compare the effect on the hydrophilia , absorptivity to chondrocytes and construction of tissue engineered cartilage of the PGA coated with different materials as cell scaffold .

  23. 目的探讨腹腔镜技术应用于海藻酸钠聚赖氨酸海藻酸钠(APA)微囊包裹猪胰岛小网膜腔内异种移植术的可行性。

    Objective To investigate the feasibility and security of omentum minus cavity xenotransplantation of alginic polylysine alginic ( APA ) microencapsulated neonatal swine islet cells by laparoscopic procedure .

  24. 将Aβ42肽疫苗及Aβ36-42与七聚赖氨酸耦联制成的亚单位疫苗分别接种于SD大鼠,对照组用等体积PBS加铝佐剂。

    A β 42 vaccine , subunit vaccine constructed with A β 36-42 and multiple antigens peptide were inoculated respectively into SD rats . PBS added aluminum adjuvant was inoculated into control group rats .

  25. 结果经脂质体或糖化多聚赖氨酸包埋的质粒DNA导入体内24h后均见明显表达,一周后逐渐下降,三周时仍有表达;

    Results The expression of the plasmid encapsulated by liposomes or G-PLL was obvious after transferred in vivo 24 h later , and one week later the expression began to decrease , but still could be found three weeks later .

  26. 在30min和60min两个时间点,Fn基质上细胞铺展分别降低了29%和26%;而在多聚赖氨酸基质上细胞铺展并没有变化。

    Similarly , at 30-min and 60-min , the cell spreading on Fn but not on polylysine was inhibited by 29 % and 26 % respectively .

  27. Fn处理的珊瑚在各时间点细胞数和碱性磷酸酶活性均高于多聚赖氨酸和培养液处理组,同时细胞数随培养时间呈增长趋势。

    At each time point , the samples treated with fibronectin showed higher cell count and alkaline phosphatase activity than the orals otherwise treated , and the cell count also increased with culture time .

  28. 通过正交试验设计,研究ε-聚赖氨酸、nisin、丁香油三种天然防腐剂对烧鸡保鲜的效果。

    Using orthogonal experiment design , the effect of preservation of three kinds of preservative such as ε - polylysine , nisin and clove oil on the roast chicken was studied .

  29. 分批发酵中搅拌转速、pH、通风比和温度对ε-聚赖氨酸发酵的影响;③流加补料发酵条件的研究以及ε-聚赖氨酸空间结构的预测。

    The effect of stir velocity , pH , aeration and temperature on the synthesis of - PL in batch fermentation ( 3 ) the fed-batch fermentation was studied and the secondary and space structure of - PL was predicted by using of bioinformatics and internet prediction serve .

  30. 方法应用藻酸钠聚赖氨酸藻酸钠(APLA)技术制备微囊化肝细胞,与游离肝细胞对照培养,比较两组细胞培养液中ALT及BUN浓度及安定清除率。

    Methods We made microencapsulated hepatocytes by alginate-polylysine-alginate ( APLA ) process and compared concentrations of ALT and BUN , and diazepam clearance rate in vitro culture between the microencapsulated and free hepatocytes .