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The effects of HHV - 6 infection in vitro on cytokines such as IL - 6, IL - 8 synthesis and NK activity of human peripherial blood mononuclear cels (PBMC) were studied by comparing CN8 strain with GS strain.
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采用生物活性法和／或酶联免疫吸附法以及乳酸脱氢酶释放法，研究了人类疱疹病毒6型（HHV－6）南京地方株CNS对人外周血单个核细胞（PBMCs）的IL—6、IL－8的诱生和NK活性的影响，并与国外的GS株作比较。 |
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The effects of alternariol monomethyl ether on the DNA contents of human fetal lung 2BS cells and cell cycles
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交链孢酚单甲醚对人胚肺2BS细胞DNA含量和细胞周期的影响 |
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The effects of antibiotic barrier (physical and mucilaginous elimination) and joint prevention in the antibacterial immunity system of Eisenia fetida were analyzed in this study by applying animal immunology, ecology and biochemistry.
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本研究以动物免疫学、生态学、生物化学为指导思想,以蚯蚓的生态免疫系统为主线,探讨了赤子爱胜蚓的体壁屏障系统(包括皮肤的物理排除作用和随体表粘液分泌排除)和协同防御作用在其免疫系统中的作用。 |
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The effects of iodine and selenium deficiency on permeability of thyroid cell in rats
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碘硒缺乏对大鼠甲状腺细胞膜通透性影响——碘硒对甲状腺影响研究之Ⅲ |
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The effects of reaction conditions, such as substrate concentration, inhibition of product, reaction pH and temperature, co-substrate and cell culture condition, on the reaction were investigated.
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同时发现在水相体系中反应,存在一定程度的副反应。 实验考察了底物浓度、产物的抑制、反应体系的pH、反应温度以及辅助底物等反应条件和菌体培养条件对酵母细胞不对称还原COBE的影响。 |
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The eight cDNAs from C/SH/F/98 were cloned into the bidirectional transcription/expression vector pHW2000, and a panel of reasserted viruses containing HA and NA genes from C/SH/F/98 were generated by reverse genetics technique.
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8个基因的序列已发表在GenBallk，登录号为AY250750一AY250756，AF46 1 532。 C/SH/F/98成为在GenBank中第一个登录序列完整的HgNZ亚型流感病毒株，也是中国大陆第一个自主登录基因组全长序列的HgNZ亚型毒株。 |
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The end cell density OD600 of the engineering strain pNSR-16/BL21(DE3)pLysS was 60-90, and the expression of the recombinant spider silk protein was up to the 11-12% of the total protein by the Do-stat fed-batch culture.
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采用Do-stat补料分批发酵,最终菌体密度OD_(600)可在60-90范围,产物表达量约占总蛋白量的11～12%。 |
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The enzyme activities of trichlorobenzene dioxygenase, dihydrodiol dehydrogenase, and catechol 1,2-dioxygenase, the enzymes were inspected and surveyed respectively.
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在转化子中分别检测了三氯苯双加氧酶、脱氢酶、邻苯二酚1,2-双加氧酶的酶活性. |
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The enzyme activity reached 5.47U/mg crude protein when K. pneumoniae F-1 was induced for 4h by 0.5mmol/L IPTG.
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IPTG诱导表达研究表明,在IPTG浓度为0.5mmol/L时,诱导4h后甲酸脱氢酶表达明显; 发酵过程中甲酸脱氢酶比酶活达到5.47U/mg; |
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The enzyme digestion results showed that the six DNA samples could be digested by EcoRⅠ,and were suitable for further molecular biological experiments.
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酶切实验结果表明,6种海洋微藻的基因组DNA都能被EcoRⅠ酶切,酶切图谱呈弥散状,满足分子水平操作的要求,可直接应用于进一步的分子生物学实验。 |
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The enzyme extraction obtained with sterile water at 28 ℃ for 3h was used for the activity determination.
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30℃固体培养70h,发酵后用无菌水(pH5.0)28℃浸提3h测定酶活性。 |
