生物活性的

With its unique molecular structure and outstanding bio-activities, qinghaosu has been proven as a worthy subject for in-depth studies with profound influence, not only for pharmacy, but also for phytochemistry, biogenetic synthesis and organic synthetic chemistry, chemical biology, etc. A great amount of work has been done in the last 30 years, with a lot more issues to be explored. Researchers need to seize the opportunity and make more achievements.

青蒿素以其独特的分子结构和杰出的生物活性显示出它是一有深远影响的研究对象，不仅对于药学，而且对于植物化学、生源合成、有机合成化学、化学生物学等学科都是一个可以大有作为的课题。30年来国内外已做了不少工作，但是还有更多的问题有待探索，机不可失，时不再来，期待着在綻放青蒿素的故土上结出更多的果实。

The samples of decalcified bone matrix, composite material and recombinant human bone morphogenetic protein 2 were respectively co-incubated with C2C12 cells for 72 hours.

细胞裂解后用比色法分别检测裂解液中成骨细胞特异性标记物碱性磷酸酶及总蛋白的吸光度值，以两者的比值表示单位数量的C2C12细胞所含有的碱性磷酸酶含量，以此衡量待测生物材料成骨活性的高低。

In order to maintain its normal life activity in adverse circumstance, the microorganism can strengthen its metabolizing intensity.

从本研究的结果及前人的研究结果来看，重金属污染胁迫下土壤的微生物生态效应，在土壤微生物生物量、生理生化代谢活性、种群结构及其动力学特征以及生物修复的机理等基础理论和应用研究上取得了一定的研究成果。

Compared with the control, the percentages of living microorganisms on the biomembrane were 27.6, 14.1 and 0.01, respectively, after extracted by hydroxylamine hydrochloride （0.01mol·L^-1 NH2OH·HCl ＋ 0.01mol·L^-1 HNO3 ）, sodium dithionite （ 0.4mol·L^-1 Na2S2O4, pH 6.0 ）, and acidified ammonium oxalate.

经0.01mol·L^-1 NH2OH·HCl＋0.01mol·L^-1 HNO3、0.4mol·L^-1 Na2S2O4（pH6.0）和0.2mol·L^-1草酸氨（pH4.0）萃取后存活的微生物总量分别下降到原膜的27.6％、14.1％和0.01％；经15％HNO3萃取后，膜上只有极少数的细菌存活；而经H2O2／HNO3萃取后则无细菌存活、原生动物和藻类存活，说明选择性化学萃取剂的使用影响生物膜的活性。

The infiltrating MC around the cancer tissue may play a important role in the angiogenesis of tumor and the proliferation of tumor cell by releasing biological active substance. MCD、MVD and PCNA might be effective targets for the tumor progression, metastatic status and judging prognosis of the cervical carcinoma.

癌组织中浸润的MC通过释放生物活性物质促进肿瘤血管的形成和肿瘤细胞增殖，MCD、MVD和PCNA的异常表达与宫颈癌的发生、发展密切相关，对评估肿瘤恶性程度、转移和预后具有重要的意义。

The bioactivity of titania coatings before and after modification were investigated by simulated body fluidtests in vitro.X-ray diffraction,Scanning electron microscope,Fourier transform infrared spectroscope and Energy diffraction spectroscope were used to investigate the microstr...

结果表明：氧化钛涂层和钛合金基体的结合强度较高，其值高达40MPa，涂层的耐模拟体液腐蚀性优于钛合金。酸和碱溶液表面改性后的氧化钛涂层经模拟体液浸泡可在其表面生成含有碳酸根的羟基磷灰石，显示良好的生物活性。

Compared to wild-type plants, the onset of flowering was advanced. The results of this study may be useful in the mulberry gene engineering and the results may be helpful to study the regulation of SBPase.Rubisco activase is a soluble chloroplast protein, coded in nucleus, and has the activation of Rubisco in photosynthetic autotrophs.

本研究为桑树基因工程提供了有效的候选基因，为深入研究SBPase的分子调控机制奠定了基础。1，5-二磷酸核酮糖羧化酶活化酶广泛存在于光合生物中，它是一种由核基因编码的叶绿体蛋白，具有调节Rubisco活性的功能。

Igh Pin1 expression_r_r is associated with tumor progression in colorectal cancer. J Surg Oncol, 2006, 94(2): 155160.[8] Yong Y. Treatment of the positive surgical margin following radical prostatectomy.

AI1是matriptase的抑制因子，在柱状上皮中高表达，能调节matriptase的生物活性，从而调控HGF系统的激活，在抑制肿瘤的转移过程中起重要作用[13]。

With the development of modern biotechnology, the unique absorption, high activity and diversity of polypeptides arouse people\'s interest in application, demonstrated its tremendous value.

随着现代生物技术的发展，多肽物质以其独特的吸收机制和极强的活性及多样性成为国内外研究的热点，显示了其巨大的应用价值。

A research indicated that flavonoids in corn silk not only were greatly high in content but also had preferable bioactivity: for instance, corn silk total flavoniods extracts have functions on increasing the adapt ability to exercise tolerance, resisting the produce of fatigue and accelerating the dispelling of fatigue.

有试验表明，黄酮类化合物在玉米须中不仅有较高的含量还有较高的生物活性：例如玉米须黄酮提取物对增加机体运动负荷的适应能力、抵抗疲劳产生和加速疲劳消除方面具有明显的作用。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。