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- Phospholipase A2(PLA2)is a family of enzymes which catalyzes the hydrolysis of the special ester bond of phospholipids. 磷脂酶A2是一大类能催化水解磷脂特定酯键的酶,与哺乳动物神经系统存在密切的关系。
- PME,which is belong to saponifcational enzyme,can randomly hydrolyze the methyl ester bond of pectin. 果胶酯酶(PME)或称果胶甲基酯酶,它是果胶酶系的一种,能从果胶中脱去甲氧基,生成果胶酸,属于皂化酶。
- PHB deplymerase produced by DS9701 mainly attacked the second ester bond of PHB and the degraded product was dimmer, determined by using mass spectrometer. DS9701菌株所产生的PHB解聚酶主要降解PHB的第二个酯键;降解产物为二聚体.
- In extracellular matrix, this kind of ester bond can be transferred from chondroitin sulfate chain to hyaluronan.Thus the extracellular matrix and cell functions were regulated. 在细胞外间质中, 这种酯键可以转移到透明质酸糖链上, 进而调控细胞外间质的大小和细胞的性质。
- The coupling ratio values of hapten to BSA and OVA by active ester reaction and diazotizition reaction were 12,2 and 30,1 respectively. 结论全抗原偶联成功,活性酯法和重氮化法使氯霉素半抗原与BSA,OVA的偶联比值分别为12,2; 30,1。
- McAb 3A5, a rat monoclonal antibody, was linked to norcantharidin (NCTD),an antitumor drug currently in clinical use, by active ester method. 用大鼠单克隆抗体3A5与去甲斑蝥素(NCTD)制备偶联物。
- Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose. 摘要单宁酶可水解没食子酸单宁中的酯键和缩酚羧键,生成没食子酸和葡萄糖。
- N,N-Dihydroxyethyl-acetoacetamide,the raw material of the borate ester bonding agent,was synthesized from methyl acetoacetate and diethanolamine. 二乙醇胺与乙酰乙酸甲酯反应合成了硼酸酯键合剂原料N,N-二羟乙基乙酰乙酰胺。
- A mixture of formic acid and acetic anhydride was found to be effective for the formation of an oxazolone, which was converted to an active ester in situ in the presence of a phenol or an N-hydroxide. 实验发现甲酸和醋酐混合物对恶唑酮的生成非常有效,恶唑酮在苯酚或N-氢氧化物存在的条件下在原位转化为酯。
- Laccase treatments resulted in the degradation of most of the extractives while the lipase specifically hydrolyzed the ester bonded extractives in the colloidal fractio... 漆酶处理能降解浆水中大部分的抽出物,而脂肪酶处理主要是水解胶体物中的酯键抽出物。
- biquaternaryammonium salt surfactant with ester bond 酯基Gemini型表面活性剂
- Fipronil(F) and one of its analogy(FH)were adopted as haptens0 The former was coupled to carrier protein by both EDC and GD, and the later was coupled to carrier protein by active ester. 本文采用氟虫腈(F)及其一种类似物(FH)作为半抗原,分别通过碳化二亚胺法(EDC)和戊二醛法把氟虫腈偶联到载体蛋白上,通过活性酯法把FH偶联到载体蛋白上,作为人工抗原。
- gemini quaternary ammonium salt contained ester bond 酯基双子季铵盐
- In particular, the resulting active ester with pentafluorophenol facilitated the subsequent reaction with an amine and the hydrazine derivative to yield the C-terminal amide and hydrazide, respectively. 特别是与五氟苯酚生成的酯对后续的与氨或肼衍生化分别生成C端酰胺或酰肼非常有利。
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- Bovine serum albumin(BSA) and ovalbumin(OVA) were used as protein carriers respectively to couple with hapten ENR by an active ester method, and complete antigens ENR-BSA and ENR-OVA were prepared. 通过N-羟基琥珀酰亚胺活性酯法(NHS法)将半抗原ENR分别与蛋白质载体牛血清白蛋白(BSA)和卵清蛋白(OVA)偶联成为全抗原ENR-BSA和ENR-OVA。
- This glue makes a good firm bond. 这种胶水粘得很结实。
- Common tastes form a bond between the two men. 共同的爱好使两人结交为朋友。
- The burglar alarm was activated by mistake. 防盗铃误响了。
- The bond that binds the smugglers together is a rope of sand. 把走私犯联接起来的是条沙做的绳子,一碰就碎。