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organic extracts     
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  有机提取物
     The mice were treated with organic extracts through intraperitoneal injection at the doses of 25 L/kg, 12.5 L/kg, 6.25 L/kg, 3.125 L/kg water sample respectively for 3 consecutive days.
     以养殖污水有机提取物原液、1/2原液、1/4原液、1/8原液对小鼠染毒,分别相当于25、12.5、6.25、3.125L/kg,以DMSO为阴性对照,环磷酰胺(40mg/kg)为阳性对照,连续染毒3天。
短句来源
     Detection of DNA Damage in HepG2 Cells Exposed to Organic Extracts from the Chlorinated Water of Wuhan Using Comet Assay
     彗星试验检测武汉市氯化饮水有机提取物对HepG2 DNA的损伤
短句来源
     It was found that PM2.5 organic extracts increased significantly the rate of micronucleited binucleated cells (P<0.01), the frequency of comet cells and the distances of migration of DNA (P<0.01), and inhibited the GJIC;
     发现PM2.5有机提取物可引起双核微核细胞率显著增加(P<0.01)及导致慧星细胞率和DNA迁移长度显著增加(P<0.01);
短句来源
     Results The lowest concentrations inducing DNA damage were 1 67 ml/ml culture in organic extracts from CDW sampled on August and 167, 16 7 and 1 67 ml/ml culture in organic extracts of CDW sampled on March from raw water sources of C river, D lake and H river respectively.
     结果 氯化饮水有机提取物诱导DNA损伤的最低浓度 ,C江、D湖、H水丰水期 (8月份 )均为 1.6 7m l/ ml培养液 ,平水期 (3月份 )分别为 16 7、 16 .7、1.6 7m l/ ml培养液 ;
短句来源
     Results The cell transformation induced by organic extracts from water of Songhua River was inhibited by water logging extracts from garlic, which could induce the expression of p53, p16, and p21 protein and apoptosis in the cell with DNA injury.
     结果大蒜水浸液可通过诱导细胞中p53、p16和p21的表达 ,进而引起受损伤细胞的凋亡而抑制江水有机提取物诱发的转化。
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  有机污染物
     An analysis of the organic extracts from source water and drinking water in city C and the effects on DNA damage in primary hepatocytes in rats
     C市枯水期饮用水中有机污染物分析及对肝细胞DNA损伤的研究
短句来源
     Conclusion It indicated that water logging extracts from garlic could block the carcinogenic activity of organic extracts from water of Songhua River.
     结论大蒜水浸液对松花江水有机污染物的致癌活性具有阻断作用。
短句来源
     Effects of Organic Extracts of Drinking Water in a City on the Ovary of Mice
     某市饮用水有机污染物对小鼠卵巢功能的影响
短句来源
     Study on the Genotoxicity of the Organic Extracts in Soil and Vegetables of the Pollution-free Vegetable Farms
     无公害蔬菜生产基地土壤及蔬菜产品有机污染物的遗传毒性研究
短句来源
     Conclusion The organic extracts from drinking water had adverse effects on the female reproductive system by affecting the development and maturity of the follicles.
     结论城市饮用水有机污染物可影响小鼠卵泡的发育和成熟,对雌性小鼠生殖具有潜在的危害。
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  有机浓集物
     Study on Contents of Elements and Mutagenecity of Organic Extracts of Drinking Water in Different Processes of Deep Water Treatment
     水深度处理工艺对水中元素含量及有机浓集物致突变性的影响
短句来源
     ②The mutagenicity of organic extracts in the treated water could not be increased with ClO_2 killing algae.
     ②ClO2 杀藻不会增加水样中有机浓集物的致突变性 .
短句来源
     In addition, the Comet assay was employed, and results showed DNA damages in human lymphocytes were induced after exposure to organic extracts from water samples and the potential genetic hazardousness existed.
     同时,采用人外周血淋巴细胞彗星试验,对各水样有机浓集物的生物毒性进行了研究,结果表明水样浓集物可对淋巴细胞DNA产生不同程度的损伤,存在一定的遗传毒性。
短句来源
     The results showed that DNA damages in human peripheral blood lymphocytes were induced after exposure to the organic extracts from all water samples and the genetic hazard also existed.
     结果表明 ,各水样的有机浓集物均可对人外周血淋巴细胞DNA产生不同程度的损伤 ,存在一定的遗传毒性 .
短句来源
     Methods Mutagenic activity of organic extracts of source water chloridized water in water plant and tap water from the city were detected with single cell gel-electrophoresis mouse primary hepatocytes in culture were used and Ames test.
     方法采用Ames试验和小鼠肝原代细胞单细胞凝胶电泳(彗星试验)分别对某市自来水厂的水源水、出厂水、管网水的有机浓集物的诱变性进行检测。
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  有机浓集
     Study on Contents of Elements and Mutagenecity of Organic Extracts of Drinking Water in Different Processes of Deep Water Treatment
     水深度处理工艺对水中元素含量及有机浓集物致突变性的影响
短句来源
     ②The mutagenicity of organic extracts in the treated water could not be increased with ClO_2 killing algae.
     ②ClO2 杀藻不会增加水样中有机浓集物的致突变性 .
短句来源
     In addition, the Comet assay was employed, and results showed DNA damages in human lymphocytes were induced after exposure to organic extracts from water samples and the potential genetic hazardousness existed.
     同时,采用人外周血淋巴细胞彗星试验,对各水样有机浓集物的生物毒性进行了研究,结果表明水样浓集物可对淋巴细胞DNA产生不同程度的损伤,存在一定的遗传毒性。
短句来源
     In a survey of various unit purification processes,the mutagecities of organic extracts of drinking water taken from a city were tested,and the influence of various unit process on purifying efficiency was studied . By means of Ames test ,the results showed that the water samples from non-chlorinated treatment were negative with TA 98 and TA 100 strains .
     用Ames试验检测了某市饮用水处理试验工艺各单元出水有机浓集液的致突变性,研究了不同处理单元对水的致突变活性的影响.结果证明,试验工艺的出水不加氯时,对TA98和TA100菌株的致突变活性均为阴性;
短句来源
     The results showed that DNA damages in human peripheral blood lymphocytes were induced after exposure to the organic extracts from all water samples and the genetic hazard also existed.
     结果表明 ,各水样的有机浓集物均可对人外周血淋巴细胞DNA产生不同程度的损伤 ,存在一定的遗传毒性 .
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      organic extracts
    The therapeutic effect of organic extracts of Santolina oblongifolia in adjuvant-carrageenan-induced inflammation (ACII) in Wistar rats was investigated.
          
    Inhibition of [3H] fumazenil binding by organic extracts derived from the cerebral cortices of HE rats did not increase with progression of encephalopathy.
          
    Alkaline organic extracts of proteolytically digested homogenates of cerebral cortices from HE rats were more effective than corresponding extracts from controls at inhibiting the binding of [3H]flumazenil.
          
    Cationic complexes of Eu(III) and Sr(II) with diphosphine dioxides in organic extracts
          
    Crude organic extracts of whole tunic and internal tissues contained vanadium metabolites (225 and 750 ppm dry mass, respectively) and were palatable to T.
          
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    A water soluble organic extract from Tanshen (Radix salviae miltiorrhizae) was found to inhibit cyclic AMP phosphodiesterase(cAPD) from all tissues examined. Enzymes from uterus, brain, urinary bladder and lung of rabbit were more sensitive to the inhibitor. At the concentration of several micrograms per mililitter, the extrac tinhibited the enzyme markedly, and when added to a concentration of 1~2mg/ ml, they inhibited the enzyme activity completely. The inhibiting oharacteristio studies indicated that...

    A water soluble organic extract from Tanshen (Radix salviae miltiorrhizae) was found to inhibit cyclic AMP phosphodiesterase(cAPD) from all tissues examined. Enzymes from uterus, brain, urinary bladder and lung of rabbit were more sensitive to the inhibitor. At the concentration of several micrograms per mililitter, the extrac tinhibited the enzyme markedly, and when added to a concentration of 1~2mg/ ml, they inhibited the enzyme activity completely. The inhibiting oharacteristio studies indicated that its inhibition was of uncompetitive and irreversible pattern.The aqueous extract from Tanshen was chromatographed on silica G thin layer plates giving 16 organic spots which all proved to be effective in inhibiting cAPD. The most potent inhibiting fraction was also separated with organic solvent, and designated as fraction 4, of which the predominant component was spot 13, with 50 percent inhibition at 8 μg/ml. Its inhibition was 32 times more effective than theophylline when tested with cAPD from rabbit brain.Some physiological effects of the aqueous extract of Tanshen in vivo are disoussed in terms of its action as an inhibitor of cAPD.

    丹参水溶性提出物发现有抑制体外环腺苷酸磷酸二酯酶(cAPD)的作用。这种抑制对被试动物和组织具有普遍性,但以家兔子宫、大脑、膀胱和肺中的cAPD最敏感。每个测定含微克量级的丹参水溶性有机物即可产生明显抑制作用,剂量增加到1~2毫克出现完全抑制。兔脑匀浆上清液中的蛋白质对其cAPD有保护作用。酶作用动力学的研究指出,丹参水溶性成分对兔脑cAPD表现典型的非竞争性抑制,并且是不可逆性抑制。丹参水溶性提出物用硅胶G薄板层析可检出16个斑点。用有机溶剂分离的部分4(主要为斑点13)对兔脑cAPD的抑制力最强,其50%抑制量为8微克/毫升,比茶碱强32倍。丹参水溶性成分可能通过抑制cAPD而发挥某些生理效应。

    A water soluble organic extract from Tanshen (Radix salviae miltiorrhizae)wasfound to inhibit cyclic AMP phosphodiesterase(cAPD) from all tissues examined.Enzymes from uterus, brain, urinary bladder and lung of rabbit were more sensitiveto the inhibitor. At the concentration of several micrograms per mililitter, theextrac tinhibited the enzyme markedly, and when added to a concentration of 1~2mg/ml, they inhibited the enzyme activity completely. The inhibiting characteristicstudies indicated that its inhibition...

    A water soluble organic extract from Tanshen (Radix salviae miltiorrhizae)wasfound to inhibit cyclic AMP phosphodiesterase(cAPD) from all tissues examined.Enzymes from uterus, brain, urinary bladder and lung of rabbit were more sensitiveto the inhibitor. At the concentration of several micrograms per mililitter, theextrac tinhibited the enzyme markedly, and when added to a concentration of 1~2mg/ml, they inhibited the enzyme activity completely. The inhibiting characteristicstudies indicated that its inhibition was of uncompetitive and irreversible pattern.The aqueous extract from Tanshen was chromatographed on silica G thin layerplates giving 16 organic spots which all proved to be effective in inhibiting cAPD.The most potent inhibiting fraction was also separated with organic solvent, anddesignated as fraction 4, of which the predominant component was spot 13, with 50percent inhibition at 8μg/ml. Its inhibition was 32 times more effective thantheophylline when tested with cAPD from rabbit brain.Some physiological effects of the aqueous extract of Tanshen in vivo are discussedin terms of its action as an inhibitor of cAPD.

    丹参水溶性提出物发现有抑制体外环腺苷酸磷酸二酯酶(cAPD)的作用。这种抑制对被试动物和组织具有普遍性,但以家兔子宫、大脑、膀胱和肺中的cAPD 最敏感。每个测定含微克量级的丹参水溶性有机物即可产生明显抑制作用,剂量增加到1~2毫克出现完全抑制。兔脑匀浆上清液中的蛋白质对其cAPD 有保护作用。酶作用动力学的研究指出,丹参水溶性成分对兔脑cAPD 表现典型的非竞争性抑制,并且是不可逆性抑制。丹参水溶性提出物用硅胶G 薄板层析可检出16个斑点。用有机溶剂分离的部分4(主要为斑点13)对兔脑cAPD 的抑制力最强,其50%抑制量为8微克/毫升,比茶碱强32倍。丹参水溶性成分可能通过抑制cAPD 而发挥某些生理效应。

    The solvent extraction and spectrophotometric determination of micro amounts of tertiary amine in the raffinate pulp from solvent extraction of uranium in the clarified leached solution using methyl orange as the chromatic reagent is described.The amine in the raffinate pulp is dissolved in a mixed solvent of isopropanol and water buffered with acetic acid-sodium acetate to pH 4, and reacts with methyl-orange to form a yellow complex. The complex is solvent-extracted with chloroform and the organic...

    The solvent extraction and spectrophotometric determination of micro amounts of tertiary amine in the raffinate pulp from solvent extraction of uranium in the clarified leached solution using methyl orange as the chromatic reagent is described.The amine in the raffinate pulp is dissolved in a mixed solvent of isopropanol and water buffered with acetic acid-sodium acetate to pH 4, and reacts with methyl-orange to form a yellow complex. The complex is solvent-extracted with chloroform and the organic extract is then determined by spectrophotometry. This analytical method is highly sensitive, simple, rapid and reproducible. Relative standard deviation is better than + 5% and the recovery of amine is 100+5%.

    本文叙述了采用萃取-分光光度法测定萃余矿浆中微量三脂肪胺。萃余矿浆中的胺溶于异丙醇水溶液,在pH为4的醋酸-醋酸钠介质中,胺与甲基橙生成黄色络合物。然后用氯仿将其络合物萃取,进行分光光度测定。本法灵敏度高、简便、快速、重现性好。相对标准偏差优于±5%,回收率为100±5%。

     
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