酶活化劑 的英文怎麼說
中文拼音 [huóhuàjì]
酶活化劑
英文
activator of enzyme- 酶 : 名詞[生物化學] (生物體的細胞產生的有機膠狀物質) enzyme; ferment
- 活 : Ⅰ動詞1 (生存; 有生命) live 2 [書面語](救活) save (the life of a person):活人無算 (of a goo...
- 劑 : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
- 活化 : [化學] activation radioactivation; activate活化處理 activating treatment; 活化分析 [核物理] activ...
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Improved method to measure bilirubin oxidase by using ascorbic acid as terminating agent
終止劑法測定膽紅素氧化酶活性Such as when the substrates was benzidine and a - naphthol, the absortion peak was 450nm after catalyticed by dna, and 501nm after catalyticed by pod, if changing substrate to benzidine and pyrocatechol, the absortion peak was 503nm after catalyticed by dna and 603nm after catalyticed by pod. the second difference was the different result after hplc : the result of hplc ( substrates : benzidine and a - naphthol ) showed that the products under the affect of dna and pod had different value on the peak and the area
然後對以聯苯胺與-萘酚為底物,以h _ 2o _ 2為氧化劑,進行高效液相色譜分析,分析結果表明dna與過氧化物酶作用后的產物在峰面積和峰高上有不同數值;同時,不同形式的dna對該反應都有催化活性,表明只要是生物來源的dna (非特異性dna )都具有一定程度的催化活性。Studies on resistant induction of citral to candida albicans in vitro
永川豆豉胰蛋白酶抑制劑的分離純化及其降糖活性研究The a - transglucosidase was selectively modified by pcmb, me, edc, clac, acetyl acetone and nbs, and changes in the activities of the enzyme have been detected. the reaction of a - transglucosidase with pcmb, me, edc and clac resulted in a strong inhibition of the enzyme activities which decreased with the increase of modifier concentration. the acetyl acetone and nbs were found without inhibition effect
酚丙酮、小涅代唬拍酷亞胺剛b引等化學修飾劑對a葡萄糖轉苦酶的幾種氨基酸殘基進行選擇修飾,並測定其酶活力變化,結果表明: pcmb 、 me 、 edc 、 ciac能顯著抑制酶的活性,活力的下降與修飾劑的濃度有關,乙酚丙酮、 nbs白巾飾對酶的奪製作用不明顯。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 。In the study, four models were applied and used for prescreening antimicrobial, antitumor and the a - glucosidase inhibitory agents from medicinal fungi including filamentous fungi and macro fungi in fujian ; we studied the antimicrobial, antitumor and a - glucosidase inhibitory activities of three kinds of ganoderma sp. ; as well as we studied the a - glucosidase inhibitor from filamentous fungi w - 20 and its physical and chemical properties. there are abundant antimicrobial, antitumor and a - glucosidase inhibitory agents in filamentous fungi and macrofungi
本課題以福建省的藥用真菌資源為對象,應用了抗菌、抗腫瘤和-葡萄糖苷酶抑制劑的體外篩選模型,進行了藥(食)用曲的絲狀真菌和大型真菌生物活性物質的篩選;對3種靈芝真菌的抗菌抗腫瘤、 -葡萄糖苷酶抑制活性,以及絲狀真菌w - 20抑制-葡萄糖苷酶的活性物質及其理化性質進行了初步研究,為我省藥用資源的開發利用打基礎。Thirdly, the changes of peroxidase ( pod ) activity and the analysis of the enzyme spectrum in the morphological different stage in the arabidopsis thaliana were tested. the result indicated that the relation of dose and the activit y was consistent with that of dose and the injury rates of the nutrient organs
通過對離子注入后擬南芥過氧化物同工酶活性的測定和酶譜的分析表明,其活性的大小、酶譜譜帶的有無及深淺與劑量的關系和苗期性狀指標與劑量的關系是一致的。The protective efficacy on lactobacillus casei shirota of four cryoprotectants, including skim milk, glucose, sodium glutamate and fructose, was studied by viable cell count and lactate dehydrogenase activity analysis of rehydrated starter made by freeze - drying l. casei shirota
摘要將活化后的乾酪乳桿菌代田株製成凍干發酵劑,通過對其復水后活菌數和乳酸脫氫酶的測定,比較了脫脂奶、葡萄糖、谷氨酸鈉、海藻糖4種凍干保護劑對乾酪乳桿菌代田株的保護效果。The result shows that the combination of vc , vital gluten, emulsifier and - amylase in proportion was more effective than single improver
結果表明:將vc 、活性麵筋、乳化劑及?澱粉酶按適當比例添加到小麥粉中併科學混合均質,要比單一使用發揮更好的改良效果。Chinese herbal medicine ' s effect on antioxidant enzyme in blood and lung of young ducks
中草藥復方制劑對雛鴨血液和肺抗氧化酶活性的影響The vasomotion was induced by noradrenaline na in vivo, then the changes of vasomotion after injecting si and ngmonomethyllarginine lnmma, a no synthase inhibitor were measured respectively on a tv monitor using a tv camera mounted on the microscope, and the influence of lnmma on effect of si was also observed
在活體情況下運用去甲腎上腺素noradrenaline , na血管運動誘導法誘導出血管運動,分別觀察靜脈注射g單甲基精氨酸gmonomethyllarginine , lnmma si后血管運動的變化及應用一氧化氮合酶抑制劑lnmma對si作用的影響,攝錄結果於監視器上用暫停功能測量。A novel aqueous two - phase system can be formed by the mixtures of a polymer and cationicanionic surfactants. such a system can be used as a partitioning system of proteins. in this work, we investigated the formation, phase behavior and protein partitioning in aqueous two - phase systems formed by dodecyltriethylammonium bromide / sodium dodecylsulfate / peg and dodecyltriethylammonium bromide / sodium dodecylsulfate / dextran. the ligands with affinity were attached to the polymers and the affinity partitioning of proteins was investigated. it was shown that the surfactants and polymers are enriched in different phases of aqueous two - phase systems. phase separation are promoted by increasing temperature and adding inorganic salts. different proteins are partitioned in different phases. the selectivity of protein partitioning is increased by adding ligands with affinity
報道了由正負離子表面活性劑與高聚物混合溶液形成的一種可用於蛋白質的分離及分析的新型雙水相萃取體系.研究了正負離子表面活性劑(溴化十二烷基三乙銨/十二烷基硫酸鈉)分別與葡聚糖和聚乙二醇混合雙水相體系的形成規律、相行為及牛血清蛋白和溶菌酶在雙水相體系中的分配.通過在高聚物分子中接上親和配基,研究蛋白質在雙水相體系中的親和分配.結果表明,在該體系中,表面活性劑與高聚物分別富集於不同相中.升高溫度及加入無機鹽均可促進雙水相體系的形成,不同蛋白質可分配于不同的相中.親和配基的引入極大地增強了蛋白質分配的選擇性Study on angiotensin converting enzyme inhibitory peptides from digestion of soy protein in vitro
大豆蛋白體外酶解物中血管緊張素轉化酶抑制劑活性肽研究Protective effect of p38 mitogen activated protein kinase inhibitor on organs in sepsis in rats
38絲裂原活化蛋白激酶抑制劑對膿毒癥大鼠多器官損傷的保護作用研究Enzyme any of numerous proteins or conjugated proteins produced by living organisms and functioning as biochemical catalysts
酶,由活的有機體產生的各種蛋白質或蛋白質結合體的一種,起生物催化劑的作用A substance, especially an enzyme, that initiates or modifies the rate of a chemical reaction in a living body ; a biochemical catalyst
生物催化劑能在活的體內產生化學反應或改變生物體內化學反應速度的物質,尤指酶;生物化學催化劑Background : reactive oxidants are implicated in cardiovascular disease, and elevated plasma mpo is reported to predict adverse outcome in acute coronary syndromes
背景:在心血管疾病中氧化劑活化具有重要意義,血漿髓過氧化酶升高據報道可預測急性冠狀動脈綜合征的不良結局。They are widely used in the fields such as catalysis, catalytic supports, selective sorbent, molecular screen, film, electrochemistry, optical element, zymic counterfeit and dyestuff base materials for their good properties of large bet surface area, porosity and large surface activity
它具有大比表面積、多孔和高表面活性等性能,在催化劑及催化劑載體、選擇吸附劑、分子篩、膜、電化學、光學元件、酶仿製品和染料基質等領域顯示出廣闊的應用潛力。Effects of low dose radiation on antioxidant enzymes after radiotherapy of tumor - bearing mice
低劑量輻射對荷瘤鼠放療后血清中抗氧化酶活性的影響This is a problem vitally important to both molecular biologists and bioinformatists today. we herein become interests in comparing ( - sheet topologies of protein main - chain, identifying combination of the side - chain, introducing structural mobility into secondary structure and conformation, and simulating enzyme active site fluctuation by intelligent polymer catalysts
本文致力於比較蛋白質主鏈的( -折疊片拓撲,識別側鏈的組合,並將結構的運動性引入二級結構和構象,且用智能高分子催化劑來模擬酶活性部位的漲落。分享友人