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二糖的英文

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"二糖"怎么读用"二糖"造句

英文翻译手机手机版

  • diglucoside
  • diose
  • disaccharide
  • disaccharose
  • saccharobiose

例句与用法

  • Application of immobilized cellobiase in cellulosic material hydrolysis
    固定化纤维二糖酶在纤维原料水解中的应用
  • Analysis of honey - determination of the content of saccharides fructose , glucose , saccharose , turanose and maltose - hplc method
    蜂蜜的分析.含糖果实葡萄糖蔗糖松二糖和麦芽糖
  • In particular , a disaccharide , trehalose , furnished adequate protection of protein against heat under the conditions used
    特别是二糖、海藻糖能提供蛋白足够的保护,对抗所在条件下的热量。
  • Cellulase an enzyme that hydrolyzes 1 , 4 - glycosidic linkages in cellulose , yielding cellobiose ( a disaccharide ) and glucose
    纤维素酶:一种能够水解纤维素中1 , 4糖苷键,生成纤维二糖(一种二糖)和葡萄糖的酶。
  • Hyaluronic acid ( ha ) is a high molecular weight linear polysaccharide composed of repeating disaccharide units of d - glucuronic acid ( glclia ) and n - acetyl - d - glucosamine ( glcnac ) linked by 3 - 1 - 3 and p - 1 - 4 glycoside bonds
    透明质酸( hyaluronicacid )是一种由葡萄糖醛酸( glcua )和n -乙酰氨基葡萄糖( clcnac )以- 1 - 3和- 1 - 4糖苷键相连的二糖单位重复构建而成的,具有生物相容性的高分子聚合物。
  • From the result of electrophoresis , it known that the different components of the enzyme system were expressed cooperatively . in order to study the essence of cellualase induction of different carbon sources , the extracellular , plasm - membrane - bound and intracellular cellulases were made to transform different soluble inducers , and the productions were analyzed by gc chromatogram . the results supported the assumption that cellobiose acted as the direct inducer or the metabolic analogue , b - gentiobiose from cellobiose acted as the true inducer through different metabolism ways in different strains
    制备细胞膜外、细胞膜、细胞内纤维素酶,用定位于这三部位的纤维素酶分别转化底物,然后进行气相色谱定性分析,从而探讨了不同碳源之间的诱导本质,结果认为不可溶的胞外纤维素以纤维二糖为桥梁,遵循不同的代谢途径,直接或间接地诱导了两株不同真菌纤维素酶的合成。
  • The recombinants were constructed by transforming ppic9 a - xynb into p . pastoris gs115 . the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p . pastoris . in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity . the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1 . xynbb was gotten by deglycasylation of xynba , whose molecule weight returned to 23kd . we comparised the enzymatic properties of xynba expressed in p . pastoris , xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph , the optimal ph of xynb and xynba were both 5 . 2 , the optimal ph of xynbb was 5 . 0 ; the optimal temperature of xynb and xynba were both 60 c , while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883 . 88iu / mg and 832 . 5hu / mg respectively , which were both lower than 2814 . 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21 . 56 ( g / kg ) and 20 . 87 ( g / kg ) , while the km value of xynbb was 27 . 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg . min and 5329umol / mg . min respectively which were lower than 27623 umol / mg . min of xynb ; additionally all of the three enzymes did not display cellulase activity . they all had well resistance to pepsion and trypsin , and were not sensitive to metal iron , surface active agent and chelating agent . the analysis of different xylans enzymatic hydrolysate revealed : by xynba , that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose , which account for 68 . 43 % and 16 . 50 % respectively , additionally there was 11 . 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose , which account for 81 . 78 % and 11 . 55 % . the result indicated that this xylanase was a kind of 1 , 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
    进一步对xynba进行了脱糖基化处理得到xynbb ,其分子量恢复到23kd ,证明xynba是糖基化蛋白。通过对毕赤酵母重组表达的木聚糖酶xynba 、脱糖基化的木聚糖酶xynbb以及橄榄绿链霉菌a1所产原酶xynb之间酶学性质的比较发现:三种酶的最适ph差异不大, xynb和xynba均为5 . 2 , xynbb为5 . 0 ; xynb和xynba的最适温度均为60 , xynbb降为50 :在耐热性上, xynba由于糖基化作用热稳定性明显高于未糖基化的xynb和xynbb ; xynba和xynbb的比活性分别为883 . 88iu mg和832 . 51iu mg ,明显低于原酶的比活2814 . 45iu mg ; xynb和xynba的km值相当,分别为21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值较大为27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分别为4568 mol mg ? min和5329 mol mg ? min ,明显低于xynb的27623 mol mg ? min此外三种酶均无纤维素酶活性,对胃蛋白酶和胰蛋白酶有很好的抗性,且对作用环境中的各种离子、表面活性剂、螯合剂不敏感。通过对不同木聚糖的酶解产物的糖份分析发现:以桦木木聚糖为底物时,酶解产物主要为木三糖和木四糖,含量分别为68 . 43和16 . 50 ,另外还含有11 . 79的木二糖;以玉米芯木聚糖为底物时,酶解产物主要为木二糖和木三糖,含量分别为81 . 78和11 . 55 。
  • [ objective ] heparin is linear polysaccharides consisting of repeating disaccharide unit backbones of n - acetyl - d - glucosamine that is linked to d - glucuronic acid . the disaccharide repeat unit can be modified to include n - and o - sulfation ( 6 - o and 3 - o sulfation of the glucosamine and 2 - o sulfation of the uronic acid ) . these specific sulfate patterns are involved in the interaction of heparin with other molecules
    [目的]肝素是由n -乙酰葡萄糖胺与d -葡萄糖醛酸以1 4糖苷键连接起来的重复二糖单位组成的线性多糖,葡萄糖胺可带有n -硫酸基团,可在c6上形成0 -硫酸酯,带有硫酸基团的独特结构参与了肝素与其他分子的相互作用。
  • Its km for sacilin at50 andph5 . owas3 . 73mg / ml . with the analysis of kinetics , the p - glucosidase showed synergistic action to the endoglucanase and the endoglucanase inhibited the p - glucosidase . the mechanism for their interaction was explained that the endoglucanase was combined with its products and the inhibition of these products to endoglucanase was removed by its hydrolysis by p - glucosidase
    经两组分共同作用的酶反应动力学分析后发现,两组分这种相互作用机制的核心是:内切酶和?葡萄糖苷酶与内切酶的水解产物,也是其底物类似物? ?纤维二糖和纤维寡糖的结合以及-葡萄糖苷酶对该产物的水解。
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