1)aqueous two-phase system双水相体系
1.Phase diagram of the PEG (poly(ethylene glycol))-Cs_2SO_4-H_2O aqueous two-phase system at 298.15 K;硫酸铯/聚乙二醇双水相体系在29815K的相平衡
2.Influence of temperature,total concentration and molar ratio on the aqueous two-phase system of sodium dodecylbenzene sulfonate(SDBS) and tetradecyltrimethylammnium chloride(TTAC) was investigated and the ternary phase diagram of the SDBS/TTAC/H2O system was determined.研究了十四烷基三甲基氯化铵(TTAC)和十二烷基苯磺酸钠(SDBS)混合表面活性剂水溶液双水相体系的性质,测定了分相区域并绘制了相图,以色氨酸为对象研究了双水相体系的萃取作用。
3.The bioconversion of phenylpyruvate to L-phenylalanine using aspartate transaminase in an aqueous two-phase system(ATPS) was investigated.以天冬氨酸转氨酶为催化剂,开展了双水相体系中苯丙酮酸转氨反应制备L-苯丙氨酸的研究。
英文短句/例句
1.Extraction-Spectrophotometric Determination of La(Ⅲ) by Using Non-Organic Solventsi;双水相体系萃取光度法测定镧的研究
2.Ion of copper Extraction in the Aqueous Two-Phase System Based on PEG600-PVP Combination Surfactant-(NH_4)_2SO_4-H_2O;PEG600-PVP-(NH_4)_2-H_2O双水相体系萃取Cu~(2+)
3.Preparation of AM/DMC Copolymer in Aqueous Two-Phase SystemAM/DMC共聚物双水相体系的制备
4.The Application of Ionic Liquids Two-phase System in the Biological Separation;离子液体双水相体系在生物分离中的应用
5.Recover Gold from Waste Printed Wiring Board with Aqueous Two-phase System;双水相体系提取废弃印刷线路板中的金
6.Study on Puerarin Extraction Technology from Pueriae in Aqueous Two-Phase System;双水相体系对葛根中葛根素的萃取技术的研究
7.Extraction of Candida valida lipase by aqueous two-phase system双水相体系萃取粗状假丝酵母脂肪酶的研究
8.Aqueous two-phase system and ultrasonic wave co-extraction of total flavones from coriandrum sativum超声波协同双水相体系提取芫荽总黄酮的研究
9.Chiral Recognition of Mandelic Acid by Temperature Induced Double Aqueous Phases System温度诱导双水相体系中扁桃酸的手性识别研究
10.C_(11) α-Hydroxylation of C_(21) Steroidal Aglycones in Aqueous Two-Phase双水相体系中C_(21)甾苷C_(11) α-羟化研究
11.Preparation of Nicotine by Aqueous Two Phase System/Reverse Extraction双水相体系/溶剂反萃取法制备高纯天然烟碱
12.Separation of porcine pancreatic trypsin using aqueous two-phase systems聚乙二醇/硫酸铵双水相体系萃取猪胰蛋白酶
13.Extraction Performance of Catechin and Resveratrol in Ionic Liquid Aqueous Two-phase System儿茶素、白藜芦醇在离子液体双水相体系中的萃取性能研究
14.Ionic Liquids Aqueous Two-Phase System-UV Spectrophotometric Determination of Oxolinic Acid离子液体双水相体系-紫外分光光度法测定恶喹酸
15.Determination of Chloramphenicol in Eggs Using an Aqueous Two Phase Systems of Pyridine Ionic Liquid and Salt一种用于鸡蛋中氯霉素残留测定的吡啶类离子液体双水相体系
16.Separation of BSA in N-ethyl-N-butylmorpholine tetrafluoroborate ionic liquid aqueous two-phase systemN-乙基-N-丁基吗啉离子液体双水相体系萃取分离蛋白质
17.Extraction technique in binary-water phase system has been widely used in separation and purification of enzyme.双水相体系萃取技术巳被广泛应用于酶的分离纯化。
18.The Partition Properties of Bovine Serum Albumin in Polyethyleneglycol(PEG)/Dextran Aqueous Two-Phase System牛血清白蛋白在聚乙二醇/葡聚糖双水相体系中分配特性的研究
相关短句/例句
Aqueous biphasic system双水相体系
1.The ditribution behavior of La, Yb, Eu and asenazoⅢ in the polyethylene glycol ammonium sulphate aqueous biphasic system have been investigated.系统研究了稀土离子镧、铕和镱及偶氮胂Ⅲ在聚乙二醇 (PEG) 硫酸铵双水相体系中的分配行为 ,得出稀土元素的分配比随PEG分子量及偶氮胂Ⅲ浓度的增大而提高 。
2.The distribution behaviors and extraction mechanism of gold in PrOH-(NH4)2SO4 aqueous biphasic system have been studied and an extraction rate of 98.研究了丙醇-硫酸铵-碘化钾双水相体系中金(Ⅲ)的分配行为,获得了最佳萃取条件:HC l浓度0。
3)Aqueous two-phase systems双水相体系
1.11) was studied in aqueous two-phase systems (ATPS).应用聚乙二醇 (PEG) /硫酸镁双水相体系 (ATPS)进行了酶法合成头孢氨苄的反应 双水相萃取的耦合过程研究 。
2.The technical aspects of a new and powerful separation technique, extractive purification by aqueous two-phase systems were studied in detail.根据双水相体系的特点,选择了Ф20(环)圆筒式离心萃取器进行a-淀粉酶的双水相体系萃取实验,考察了萃取器的水力学特性,确定了萃取操作范围,并考察了萃取器转鼓转速、总流量对体系传质特性、a-淀粉酶失活和收率的影响。
4)two-phase aqueous system双水相体系
1.) This two-phase aqueous system was prepared by dissolving suitable amounts of polyethylene glycol(PEG)and(NH_4)_2SO_4 in(aqueous) solution.利用双水相体系分离纯化柿叶黄酮。
2.The characters and application situation of two-phase aqueous systems based on polymer-salt-extraction reagent are introduced.介绍了聚合物 盐 萃取剂双水相体系的特点和研究现状,综述了双水相体系萃取分离金属离子的研究状况,最后提出了双水相体系需要进一步研究的问题。
5)aqueous two phase extraction system双水相萃取体系
6)biphasic system双相体系
延伸阅读
双水相萃取分子式:分子量:CAS号:性质:萃取是在两个液相间进行。大部分萃取采用一个是水相。另一个是有机相。但有机相易使蛋白质等生物活性物质变性。最近,发现有一些高分子水溶液(如分子量从几千到几万的聚乙二醇硫酸盐水溶液)可以分为两个水相,蛋白质在两个水相中的溶解度有很大的差别。故可以利用双水相萃取过程分离蛋白质等溶于水的生物产品。例如用聚乙二醇(PEG Mr为6000)/磷酸钾系统从大肠杆菌匀浆中提取β-半乳糖苷酶。这是一个很有前途的新的分离方法,特别适用于生物工程得出的产品的分离。