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- 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。
- 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。
- active ester method 活泼酯法
- 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。
- 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。
- 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。
- 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。
- Appilication: N-hydroxy succinimide and its derivatives are important materials for the synthesis of peptides, antibiotics, amino acids, proteins, active esters ect. 用途: N-羟基丁二酰亚胺及其衍生物是合成肽、抗生素、氨基酸、蛋白质、活性酯等的重要中间体。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- An active volcano may explode at any time. 活火山随时都有可能爆发。
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智?
- STUDIES ON SYNTHESIS OF LOW ERUCIC ACID RAPESEED OIL DIETHANOLAMIDE BY METHYL ESTER METHOD 低芥酸菜籽油脂肪酸甲酯合成二乙醇酰胺的研究
- She was active as a left-winger in the party. 她是党内积极的左翼分子。
- He was very active and rode down several horses. 他劲头很大,一连骑了好几匹马。
- She plays an active part in local politics. 她积极参与地方政治活动。
- Studies on preparation of amino acid active ester in peptide synthesis 多肽合成中氨基酸活化酯的制备研究
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
- An active volcano may erupt at any time. 活火山随时可能喷发。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries