離子黴素 的英文怎麼說

中文拼音 [líziméisù]
離子黴素 英文
ionomycin
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 素 : Ⅰ形容詞1 （本色; 白色） white 2 （顏色單純） plain; simple; quiet 3 （本來的; 原有的） native Ⅱ名...
  • 離子 : [物理學] ion
  • 黴素 : mycin
  1. Determination of chloramphenicol by gc ms ms

    離子阱時間串聯質譜測定食品中的氯黴素
  2. The tl seeds are screening on the ms medium which contains 50ug / ml kan, and there are about 70 % of the transgenic lines showed the kan - resistance with a ratio of 3 : 1. however, the other lines did n ' t show the ratio consistent with the mendelism. it might prove that most of the transgenic plants only have one insert

    對收獲的轉基因番茄t _ 1代種子進行卡那黴素抗性篩選，結果發現， 70以上獨立轉化株系的t _ 1代種子出現了3 1的抗性分離，另一些獨立轉化株系的種子並未表現出符合孟德爾遺傳的分離比，說明大部分er - shsp基因是以單拷貝的方式插入植物基因組。
  3. The adulterated edible oil could be determined by detecting the regular physicochemical indexes, metal ion content, conductivity, sdbs content, afb1, volatile material, fatty acid composition, cholesterol, ir and uv characteristic absorption

    通過對油脂的常規理化指標、金屬離子含量、電導率、十二烷基苯磺酸鈉（ sdbs ） 、黃麴黴毒素、揮發性物質、脂肪酸組成、膽固醇、紅外及紫外特徵吸收等指標進行定性定量分析，可以鑒別食用油是否摻偽。
  4. 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

    進一步對xynba進行了脫糖基化處理得到xynbb ，其分子量恢復到23kd ，證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現：三種酶的最適ph差異不大， xynb和xynba均為5 . 2 ， xynbb為5 . 0 ； xynb和xynba的最適溫度均為60 ， xynbb降為50 ：在耐熱性上， xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ； xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ，明顯低於原酶的比活2814 . 45iu mg ； xynb和xynba的km值相當，分別為21 . 56 （ g kg ）和20 . 87 （ g kg ） ，而xynbb的km值較大為27 . 10 （ g kg ） ； xynba和xynbb的vmax相差不大，分別為4568 mol mg ? min和5329 mol mg ? min ，明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性，對胃蛋白酶和胰蛋白酶有很好的抗性，且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現：以樺木木聚糖為底物時，酶解產物主要為木三糖和木四糖，含量分別為68 . 43和16 . 50 ，另外還含有11 . 79的木二糖；以玉米芯木聚糖為底物時，酶解產物主要為木二糖和木三糖，含量分別為81 . 78和11 . 55 。
  5. Purification and characterization of phytase from a. niger an 01001 a. niger an01001 was inoculated on solid media and cultivated at 30 for 5 days. proteins were extracted from solid - state fermentation with 50mm acetate buffer ( ph5. 5 ). the molecule weight of the phytase protein was determined as about 78kd by sds - page. the purification procedures include ammonium sulfate precipitation, deae - cellulose ion - exchange chromatography, gel electrophoresis and electroelution

    3 .植酸酶的分離純化及其性質研究黑麴黴ano1001經固體發酵，用緩沖液抽提后，經硫酸按沉澱， deae一纖維素離子交換層析，聚丙烯酞胺凝膠電泳和電洗脫等純化步驟獲得的植酸酶，用sds一page檢測為一條均一譜帶，其分子量約為78kd 。
  6. The recent research and application of at home and abroad about modem separation technologies, for example solvent extraction process, membrane separation technology, salt - induced phase separation processes, macroporous rosin adsorption process and ion exchange method in erythromycin extraction are reviewed in detail. besides, the foreground of these modem separation technologies was discussed

    綜述了近年來國內外現代分離技術溶劑萃取法、膜分離技術、鹽析沉澱法、大孔樹脂吸附法及離子交換技術在紅黴素分離提取領域的研究應用進展，並對這些現代分離技術的發展前景做了簡要探討。
  7. 3. 2. 1. 4 ) which was prepared by precipitation of the water extract of the culture of aspergillus niger with ammonium sulfate and desalted by sephadex g - 25, and was further fractionated by two steps of deae - toyopearl 650m and one step of poros 20pi chromatography. the other was a p - glucosidase ( ec. 3. 2. 1. 21 ) which was prepared by the above g - 25 fractions and was further fractionated by two steps of deae - toyopearl 650m chromatography. the specific activity of the endoglucanase with sodium carboxymethyl cellulose was estimated to be 433. 38 hj / mg

    -葡萄糖苷酶對水楊素的比活力為597 . 12iu mg ，並對其專一，不能水解棉花和羧甲基纖維素鈉；分子量為117 . 5kda ，加dtt後分子量不變；該組分最適ph和溫度分別為4 . 5和70 ，在ph5 . 0 、 50下對水楊素鈉的米氏常數km為3 . 73mg ml ，最大反應速度vm為0 . 088mg葡萄糖（ ml ? min ） ；與文獻中從黑麴黴中分離的-葡萄糖苷酶比較后發現，該組分是一個新的-葡萄糖苷酶。
  8. The system of ion beam implantation had been established and the biological effects were primarily studied

    壯觀鏈黴菌1043為一壯觀黴素生產菌種，通過實驗建立了離子注入選育壯觀鏈黴菌。
  9. The primary primordial germ cells is obtain from the human embryos after 4 - 8 weeks of pregnancy. after mechanical desection and enzymic digestion, the cells were cultured on mouse embryonic flbroblast or human embryonic flbroblast feeder layer inactivated by mitomycin. the medium contains several cytokines : lif ( leukemia inhibitory factor ), bfgf and foskolin

    從4 ? 8周的流產胎兒的原始生殖嵴部位分離到原始生殖細胞，經過機械和化學方法的解離后培養於事先用絲裂黴素處理過的小鼠胚胎成纖維細胞或人胚胎成纖維細胞飼養層上，培養基中添加了lif ， bfgef ， foskolin等細胞因子，此後大約每7天左右傳代一次。
  10. An active metabolite was obtained by purification with precipitated by ethanol, sephadex g - 25 gel, deae - cellulose ion exchange resin and silica gel column chromatography

    經乙醇（ 95 ）沉澱、 sephadexg - 25凝膠層析、 deae -纖維素離子交換層析和硅膠層析純化，得到抑制黑麴黴生長的單一組分。
  11. The enzyme retained full activity after being treated at room temperature for 1 hour at ph between 4. 0 and 11. 5. the enzyme can be incubated at 50 for 4h with only less 50 percent loss of activity and is stable in the frozen state. when streptomyces griseus atcc14811 was cultured in 10. 3 % sucrose yeme liquid medium, production of extracellular cholesterol oxidase increased for 5 days before decrease

    利用硫酸銨鹽析及deae -纖維素離子交換柱層析提取純化灰色鏈黴菌atcc14811發酵上清液中的膽固醇氧化酶，理化性質研究表明酶作用晟適ph為8 . 0 ，最適溫度為45 ， ph穩定范圍在ph4 . 0 - 11 . 5之間，在50條件下保溫4h ，仍保留54酶活力。
  12. The sensitivity to chloramphenicol of those tiny colonies and blue colonies suggested the morphological alteration was due to genome instability, which might be the secondary effect of loss - of - function of sc7c7. 05

    Hxy2形念異常的子代菌落有90以上對氯黴素敏感；而表型正常的菌落100對氯黴素有抗性，暗示hxy2的表型分離現象與基因組不穩定有關。
  13. In this study, we examined class 1 and 2 integron in shigella sonnei and shigella flexneri isolates from hangzhou, china, to investigate their distribution and determine their gene cassette arrays and their location in genome. a atypical class 1 integron without 3 " conserved region was found to prevail among shigella flexneri isolates, and the excision models of it ' s gene cassette were charactered by inverse pcr. moreover the roles of gene cassettes in the atypical class 1 integron and class2 integron to confer resistance were discussed

    本研究對杭州地區近年分離的福氏和宋內氏志賀菌株進行類和類整合子的檢測，了解其分佈特徵；進一步通過克隆測序和southenblot ，確定其攜帶的基因盒組成特徵以及其在基因組中的位置；在研究中發現了一種缺少3 』保守區的非典型類整合子，通過反轉pcr了解此整合子的切除基因盒的特徵；並對非典型類整合子和類整合子各自攜帶的aada賦予宿主菌鏈黴素抗性的不同能力，進行了探討。
  14. Study on breeding of high - yield avilamycin - producing strains by nitrogen ion implantation

    氮離子注入選育阿維拉黴素高產菌株的研究
  15. Studies on the adsorption of jinggangmycin by macroporous ion exchange resins

    大孔陽離子交換樹脂對井岡黴素的吸附研究
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