trichloroacetic acid

[traɪˌklɔroəˈsitɪk ˈæsɪd][traɪˌklɔ:rəʊəˈsi:tɪk ˈæsid]

三氯乙酸,三氯醋酸

  • BCG Purified Protein Derivative ( BCG-PPD ) was isolated and purified from BCG Culture filtrate by trichloroacetic acid and ammonium sulfate methods .

    醋酸(TCA)和硫酸铵(AS)综合法,由卡介菌苗(BCG)培养滤液中提纯制得卡介菌素纯蛋白衍生物(BCG&PPD)。

  • Objective To study on the clinical application of trichloroacetic acid in the operation of cyst of jaw .

    目的探讨 醋酸在颌骨囊肿手术中的临床应用效果。

  • The Lactobacillus plantarum screened from the Northeastern pickle was used as experimental strain and the modified trichloroacetic acid method was applied to extract peptidoglycan from the strain . The extracts were identified structurally and analyzed physico-chemically .

    本论文将东北酸菜中筛选出的植物乳杆菌作为试验菌株,采用改良的 乙酸法从该菌株中分离提取肽聚糖,并对肽聚糖提取物进行了结构鉴定及理化分析。

  • The polysaccharide content was determined by the method of phenol-sulfuric acid . The protein in polysaccharide was removed by trichloroacetic acid .

    利用正交试验确定出多糖提取的最优化条件,用苯酚-硫酸法测定多糖的含量,通过 乙酸 除去多糖中的蛋白质。

  • Purity of polysaccharide reached 81.5 % after trichloroacetic acid was used to remove protein .

    实验确定用 乙酸 去除多糖的蛋白,多糖质量分数达到81.5%;

  • Removal of Halogenated Disinfection By-products Trichloroacetic Acid by Fe / Cu Catalytic Reduction in Drinking Water

    Fe/Cu催化还原去除饮用水消毒副产物 乙酸

  • METHODS Proteins in plasma samples were precipitated by trichloroacetic acid .

    方法血浆样品用 10% 乙酸沉淀蛋白。

  • METHODS : Serum protein was precipitated with trichloroacetic acid . HPLC was used for determination of 5-Fu .

    方法: 乙酸沉淀血清中蛋白质,高效液相色谱法测定含量。

  • Trichloroacetic acid precipitation plus biuret colorimetry to determine total protein in hirudo extract

    乙酸沉淀法结合双缩脲比色法测定水蛭提取液中总蛋白含量

  • Study on the production process of trichloroacetic acid and its industrial production

    乙酸生产工艺的研究和工业化生产

  • It is due to the catalytic effect of its acidic-basic sites which are determined by means of temperature pro - grammed desorption of NH_3 and CO_2 and by the trichloroacetic acid method .

    采用NH3和CQ2的程序升温脱附方法和 乙酸方法测定了催化剂的 -碱中心。

  • The study showed that trichloroacetic acid and methanol can extract the melamine and its analogues effectively in the aquatic products and precipitated the protein .

    结果表明, 乙酸和甲醇对水产品中的蛋白具有很好的沉淀效果,提取后 离心 澄清,并且 速度 ,能有效地提取三聚氰胺及其同系物。

  • The results show that the main trihalomethanes from both Oscillatoria cells and EOM are chloroform and bromodichloromethane and that the main haloacetic acids are dichloroacetic acid and trichloroacetic acid .

    研究表明,藻细胞和胞外分泌物的三卤甲烷类副产物都主要是氯仿和一溴二氯甲烷,卤乙酸类副产物都主要是二氯乙酸和 乙酸

  • Trichloroacetic acid solution was used both to precipitate proteins and to provide acidic reaction condition .

    乙酸作为 蜂王 的蛋白质沉淀剂,同时提供衍生化反应所需的酸性环境;

  • Research on the Optimum Experimental Conditions for Trichloroacetic Acid Precipitation of Liquid Milk Proteins

    乙酸沉淀液态奶蛋白的最佳实验条件研究

  • Study of effects of trichloroacetic acid and carnoy 's solution on the vessel walls of rabbit

    醋酸与Carnoy液对兔血管壁作用的实验研究

  • Then Trichloroacetic acid was used to removing the protein . After removing the pigment by the hydrogen peroxide DEAE A-25 column and Sephadex G-75 column chromatography was adopted to further purify them .

    然后用 乙酸 脱除其中的蛋白,用过氧化氢去色素后,再用DEAEA-25柱和SephadexG-75柱层析进一步纯化。

  • 15 % trichloroacetic acid ( based on the mass of the supernatant ) to eliminate remnant protein ;

    乙酸 添加量15%(以上清液质量为基准)进一步除残余蛋白质;

  • The thickness of epidermis of 50 % citric acid 35 % trichloroacetic acid and buffered phenol groups increase effectively ;

    50%柠檬酸、35% 乙酸和缓冲酚组表皮层厚度显著增加;

  • Effects of Carnoy solution and trichloroacetic acid on the cheek pouch mucosa of hamster

    Carnoy液和 醋酸对金黄地鼠颊囊黏膜损伤作用观察

  • The conditions of deproteinization by trichloroacetic acid ( TCA ) were optimized . TCA final concentration was about 5 % and precipitation time was 2h or longer . 4 .

    乙酸(TCA)脱蛋白条件进行了优化,选择TCA终浓度为5%左右,TCA沉淀蛋白的时间为2h或稍长。

  • The polysaccharides were primary purified with 5 % trichloroacetic acid Butanol ag Chloroform Butanol ag ( 5:1 ) .

    5% 乙酸正丁醇及氯仿正丁醇溶液(5:1)纯化多糖。

  • Sedimentary Character and Ancient Environment of Seaside and Inland Brine Distributive Areas ; Determination of Dichloroacetic Acid Trichloroacetic Acid and Glyphosate in Environmental Water by Ion Chromatography with Large Volume Direct Injection

    滨海和内陆卤水分布区沉积特征与古环境演变离子色谱法测定环境水体中的 乙酸和草甘膦

  • Finally the binding rate of plasma protein was determined by trichloroacetic acid precipitation .

    最后用 醋酸法测定其血浆蛋白结合率。

  • Corrosion Behaviors of Zinc in Trichloroacetic Acid

    乙酸TCA)中金属锌的腐蚀行为

  • Esterification of terpineol with oxalic acid chloroacetic acid and trichloroacetic acid by solid superacid MoO_3 / TiO_2 was studied .

    研究了MoO3/TiO2固体超强酸催化剂催化松节油与草酸、氯乙酸、 乙酸反应的规律。

  • Pepsin trypsin trichloroacetic acid α - amylase and cellulose had no significant effect on the flocculating ability of ZL 5-2 .

    胃蛋白酶、胰蛋白酶、 乙酸及α-淀粉酶、纤维素酶等糖苷酶作用于ZL5&2,对絮凝活性均无明显影响。

  • The polysaccharide was isolated by alcohol-precipitating and protein-depositing with trichloroacetic acid ( TCA ) and further puried by DEAE-celluose column chromatography . The chemical composition of polysaccharide was analyzed .

    采用乙醇沉淀、 乙酸(TCA)除蛋白以及透析等方法提取分离多糖,利用DEAE纤维素离子交换柱层析进一步分离纯化多糖,并对多糖的组成进行了分析。

  • In this study we compared three different methods i.e. trichloroacetic acid / acetone precipitation ( TCA ) trichloroacetic acid precipitation ( E-TCA ) and phenol extraction ( Phe ) to determine their efficiency in extracting total proteins from S. europaea by 2-DE analysis .

    比较了 乙酸/丙酮沉淀法(TCA)、三氯乙酸沉淀法(E-TCA)和酚抽法(Phe)三种方法对盐角草蛋白的提取效果。

  • Chloroacetic acids are one class of disinfection by-products with high carcinogenic risk . And the Dichloroacetic Acid and Trichloroacetic Acid are the main carcinogenic risk substances .

    氯代乙酸是一类具有很高致癌风险的氯化消毒副产物,其中的二氯乙酸和 乙酸是构成饮用水消毒副产物致癌风险的主要物质。