光抑制

The mechanism of GCT restrained by ADM: To determine the mechanism of GCT restrained by ADM, the GCT cells were cul- tured with ADM (the dense of ADM after adding were 0.04μg/ml, 0.4μg/ml and 4μg/ml) for 72 hours. The GCT cell were observed by microscope and electron lens, analyzed by flow cell counter and DNA electrophoresis.

阿霉素抑制骨巨细胞瘤的机理：为探讨阿霉素抑制骨巨细胞瘤的机理，我们用阿霉素与骨巨细胞瘤细胞悬液共同培养72小时（阿霉素最终浓度分别为0.04μg/ml，0.4μg/ml及4μg/ml），搜集细胞，用光镜、电镜观察及用流式细胞仪、DNA电泳进行分析。

Desiccation during the emersion increased photosynthesis at low levels of water loss(about 10%),it reduced the rate at higher levels of water loss.

UVR所导致的相对抑制率随着光强的增加而增大，但高浓度CO_2的存在能够缓解这种抑制作用。

The results indicate that the growth of tumor is inhibited by means of transfusion blood with ultraviolet radiation of hematoporphyrin. The most remarkable inhibitory effect is in ultraviolet radiation and hematoporphyrin group. The generation of singlet oxygen by PDT may be one of the mechanisms of killing tumor cells.

经紫外光照射的血或含有血卟啉的血均对肿瘤生长有抑制作用，而且紫外光照射与注人血卟啉相结合对抑制肿瘤生长效果最佳，该光动力学疗法对肿瘤治疗作用机制之一可能是通过产生单态氧而杀伤瘤细胞的。

On the basis of the photochemical energy state of oxygen ,the effect of oxygen on the photopolymerization , several methods and mechanism against the inhibition of oxygen were investigated .

介绍了光固化涂料在光固化过程中常见的空气中氧的阻聚作用，并从氧的光化学能量态着手，给出了氧在光聚合反应中的作用，并且探讨了几种抑制氧阻聚的方法及其机

24H treatment group compared with 24h model group: the level of MCP-1 of the Gardenoside group decreased, but the level of MIP-1 of it is no different with the model group; the level of the MCP-1 of the Baicalin group increase and the level of MIP-1 of it all decreased; the level of MCP-1 and MIP-1 of the Concha Margatitifera Usta all decreased; the level of MCP-1 of the Cholic Acid group decreased and the level of MIP-1 is no different with the model group; the level of MCP-1 and MIP-lof the Hefang Group decreased than the model group.

在本实验中，脑缺血能够诱导P53蛋白表达，P53蛋白可能参与调控缺血后神经细胞延迟性死亡的病理生理过程，药物通过抑制细胞凋亡，从而发挥治疗作用。五、大鼠局灶性脑缺血12小时模型组缺血脑组织HSP70光密度值含量较正常组明显增高（p＜0.05）。珍珠母治疗脑缺血12小时组缺血脑组织HSP70光密度值较缺血12小时模型组无显著性差异（p＞0.05）。胆酸治疗脑缺血12小时组缺血脑组织HSP70光密度值较缺血12小时模型组无显著性差异（p＞0.05）。

The results indicated that the water or 50% ethanol extracts from peonies petals could reduce light absorption of DPPH and OH initiated hydroxylation of salicylate, and inhibit O2(superscript -) mediated light chemical reduction of nitroblue tetrazolium effectively, and lipid peroxidation of polyunsaturated fatty from yolk lipoprotein, in which DPPH scavenging activities of 6 peonies water extracts were hinger than that of 200 μg/mL BHT, but lower than 80 μg/mL Vc. In 4 kinds of detecting systems of antioxidation, the peroxidation activity of deep colored flowers of peonies was higher than that of light colored flowers of peonies.

牡丹花瓣提取液能明显抑制卵黄组织匀浆的脂质过氧化作用，降低DPPH的吸光值、抑制O2介导的NBT光化学还原及OH作用下的水杨酸羟基化作用，其中牡丹花瓣提取液清除DPPH自由基的活性高于200μg/mL BHT，但低于80μg/mL Vc.6个品种的牡丹花瓣提取液，在4种测定系统中均具有一定程度的抗氧化能力，且水提取液的抗氧化活性略高于体积分数50%乙醇提取液，深色花瓣提取液对不同自由基的清除能力较强。

PhyA is the photoreceptor of far-red light perception in Arabidopsis and mediates the inhibition of the hypocotyl elongation under FR light. phyA has two domains : the N-terminal photosensory domain with a chromophore-binding site and the C-terminal domain which contains signaling motifs such as a kinase domain.

phyA为阿拉伯芥中远红光的接受体，在远红光中可抑制下胚轴延长，phyA的N端带有一个可感受光讯息的色基，C端含有可传递讯息给下游基因的kinase区域。

MTT assay FAK signaling pathway inhibitor genistein on human corneal epithelial cell cytotoxicity;RT-PCR detection of human corneal epithelial cells adhesion to fungus at different times,extracellular matrix protein including laminin,fibronectin,FN glass,Ⅳcollagen,transmembrane protein integrinαⅤ,integrinβ1(ITGβ1),as well as the FAK signaling pathway FAK1,FAK2 and Paxillin gene expression;Western blot detection of the signal transduction pathway adhesion-associated protein ITGβ1,FAK and PAX expression and the inhibition of genistein. Immunocytochemical method was used to observe the LN,FN and FAK expression in human corneal epithelial cells during interaction with the fungues;Laser scanning confocal microscope had a cell positioning on FN,FAK and PAX,observed the changing of the human corneal epithelial cytoskeleton after stimulated by fungues;Quantitatived by flow cytometry to detect of human corneal epithelial cells with PAX at ITGβ1 fungal expression after adhesion;Optical microscopy quantitied the fungues and human corneal epithelial cell adhesion and recorded to determination the integral optical density afrer adhesion;Scanning and transmitted electron microscope observed the changing of cell ultrastructure after fungues and human corneal epithelial cell adhesion.

第一部分真菌激活人角膜上皮细胞FAK信号转导通路的体外实验研究将三种常见致病真菌(白色念珠菌、烟曲霉菌和茄病镰刀菌)分别与人角膜上皮细胞共孵育，MTT法检测FAK信号通路抑制剂染料木黄酮的对人角膜上皮细胞的细胞毒性作用；RT-PCR检测真菌黏附人角膜上皮细胞后不同时间细胞外基质层连蛋白、纤连蛋白、玻连蛋白、Ⅳ型胶原、跨膜蛋白整合素αV、整合素β1(ITGβ1)，以及FAK信号通路中FAK1、FAK2和桩蛋白基因的表达情况；Western blot的方法检测黏附信号转导途径相关蛋白ITGβ1、FAK和PAX的表达，以及染料木黄酮对真菌刺激人角膜上皮细胞FAK信息通路活化的抑制作用；免疫细胞化学方法观察人角膜上皮细胞与真菌相互作用过程中LN、FN和FAK的表达；激光共聚焦显微镜对FN、FAK和PAX进行了细胞定位，并观察真菌刺激后人角膜上皮细胞骨架的变化；流式细胞仪定量检测人角膜上皮细胞ITGβ1与PAX在真菌黏附后表达的改变；光学显微镜观察真菌与人角膜上皮细胞黏附数量，记录并测定了黏附后积分光密度值OD扫描及投射电镜观察了真菌与人角膜上皮细胞黏附后，细胞超微结构的改变。

The seedlings of Vallisneria natans were also restrained in the control where underwater light intensity was more than 43.3% of natural light intensity, but the seedlings grew well in the water at turbidity of 30NTU where underwater light intensity was more than 7.1%.

在对照水体中，水下的光强为水面光强的43.3%以上，苦草幼苗也受到抑制；而在水下光强≥7.1%的30NTU水体中，苦草幼苗有较高的光能利用率，幼苗生长较好。

The results showed:①Anthocyanin content in mature fruits was 132170 U·g-1FW in bud mutation which was very significantly higher than that in'Ralls'(49140 U·g-1FW);②Activities of PAL and UFGT were almost the same between the two materials, but CH I and DFR activitieswere significantly high in bud mutation, which were related to the increase of anthocyanin levels in the mutant;③Bagging treatment inhibited anthocyanin synthesis of bud mutation. But anthocyanin content had significantly increased after removing the bags. Activities of CHI and UFGT increased rap idly and were much higher than those in the control after the bag removal. The increase was consistentwith the imp rovement of anthocyanin levels.

结果显示：①在果实发育期间，芽变果皮的花青苷含量明显高于'国光'，尤其是成熟期芽变果皮花青苷含量为132170 U·g-1FW，而'国光'仅为49140 U·g-1FW；②在果实发育期间，两个品种间PAL 和UFGT的酶活性无明显差异，但芽变的CHI和DFR酶活性明显高于'国光'，表明芽变花青苷合成能力的提高与CHI和DFR酶活性高有关；③套袋抑制芽变果皮花青苷的合成，但解袋后花青苷的含量极显著升高，解袋后4种酶的变化趋势差异较大， CHI和UFGT活性均迅速升高，明显高于对照，这与解袋后花青苷迅速合成相吻合。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐