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- MethodsThe optimized host cell,culture medium and induction time were deternined according to the growth and expression specificity of nrhTNF on test tube and flask shaker. Then fed batch culture was carried out on 5 L automatic fermentor. 方法通过探讨nrhTNF工程菌在试管和锥形摇瓶中的生长和表达规律 ,筛选并确定其最适宿主菌、最佳培养基及最佳诱导表达条件 ,然后在 5L自控发酵罐中进行分批补料培养。
- Attachment of anticaneer drugs to biocompatible polymers can significantly improve both tumor targeting and therapeutic efficacy, to express specificity, high activity and tow toxic side effects . 利用具有生物相容性的高分子作为载体,化学结合或物理包裹抗肿瘤化学药物,可提高抗肿瘤药物在体内的稳定性和生物利用度。
- Mature neural cells after differentiation could express specific antigens of neuron, astrocyte and oligodendrocyte. 分化后的细胞表达神经元细胞、质细胞和少突胶质细胞的特异性抗原。
- Oarian carcinomas hae been found to express specific receptors for gonadotropins. 卵巢癌中可发现表达促性腺激素的特异性受体。
- Myostatin(MSTN) gene is expressed specifically in developing and mature skeletal muscle,and the expression products of MSTN gene inhibits muscle growth and differentiation. 摘要 双臀基因(MSTN)在发育和成熟的骨骼肌中特异表达,并对肌肉具有负调控作用。
- An expression of pain flitted across her face. 她脸上闪过一种痛苦的表情。
- He always shows a doleful expression. 他总是露出忧郁的表情。
- The connotation is expressed specifically in Hippocratic Oath of modern version. 这一内涵在现代版"希波克拉底誓言"中得以具体体现。
- I can think of no greater expression of defeatism. 这是我听到的最悲观的失败主义论调了。
- BSG 5 gene was cloned by subtractive different screening as a new gene expressed specifically in mouse brain. BrainSpecificGene 5 (BSG5 )基因是用消减差异筛选的方法克隆到的在小鼠胚胎头部特异表达的新基因。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- She looked at me without expression. 她毫无表情地朝我看着。
- The scenery there was beautiful beyond expression. 那儿的风景美丽得无法形容。
- Cancer vaccines can activate, recover or power the immune system to kill and eliminate tumor cells by expressing specific cancer antigens. 肿瘤疫苗是应用其表达特异性的肿瘤抗原，来激活、恢复或加强机体抗肿瘤的免疫反应，进而杀伤、清除肿瘤细胞。
- He looked at her with a solemn expression. 他表情严肃地望着她。
- There was an expression of discontent on her face. 她脸上有不满的表情。
- Equally, where very unique spaces are required, the building rises out of it's uniform horizontality expressing specific parts of the program;such as the theater. 同样，非均质的空间是必存的，就如剧场部分，通过提高其均质的等级用以表现特殊的部分。
- People have the rights of assembly and expression. 人们有集会和发表言论的权利。
- Second, Marxism is a kind of argument which expresses specific and complex matter and thus always has a priority of explaining capitalism but not a specific proposition instead. 马克思主义是一种“论争”，不等同于特定的命题，而是对特定的复杂问题的表述，因而始终具有解释资本主义的优先权；
- She gave expression to her sadness. 她流露出了悲伤之情。
