双水相系统

用填料萃取塔时青霉素G钠盐在双水相系统中的传质性能采用渗透压冲击法提取大肠杆菌E。

Penicillin G sodium salt mass transfer coefficients in aqueous two-phase system using a packed extraction column Penicillin G acylase from E.

在双水相系统中生物转化丙烯腈为丙烯酰胺的研究

Bioconversion of Acrylonitrile to Acrylamide in Aqueous Two-Phase System

PEG/磷酸盐双水相系统及BSA在其中的分配特性

PEG / Phosphate aqueous two-phase system and the partition properties of BSA in the system

利用PEG/（NH4）2SO4双水相系统从粗酶液中提取糖化酶。

The glucoamylase was extracted and purified by PEG / ( NH4 ) 2SO4 double aqueous phase system .

考察了双水相系统、聚合物的分子量和浓度、亲和配基加入量、pH值、相比以及生物质加入量等因素对亲和分配的影响。

Effeet of various factors on ATPS , such as type of ATPS systems , molecular weight and concentration of phase-forming polymers , concentration of affinity ligand , pH value , phase ratio and the amount of fermentation broth were investigated .

研究了PEG/磷酸盐双水相系统分离纯化α-淀粉酶的工艺，对PEG分子量、pH、相浓度、NaCl浓度、酶浓度等影响因素进行了研究。

The partition behavior of α - amylase in aqueous two-phase systems was investigated . The effects of the weights and concentrations of polyethylene glycol , pH , the concentrations of NaCl and enzyme concetration on the partition coefficient K was studied .

采用双水相系统中的悬浮交联方法制备亲水性聚合物泊洛沙姆（poloxamer）微球。

The cross linked poloxamer micro spheres were prepared in an aqueous two phase system without the use of an organic solvent and additional surfactant .

当xT≤0.005时，这些系统的粘度值通常为几到几十mPa·s.初步探索了CTAB/AS/H2O双水相系统萃取中草药有效成分大黄素的条件。

When xT ≤ 0.005 , their shear viscosities are usually several to dozens mPa · s.The extraction conditions of the aqueous two-phase CTAB / AS / H2O systems on the effective component emodin of Chinese rhubarb were explored preliminarily .

引入相互作用参数后，得到了修正的Cabezas模型，用此模型关联上述各双水相系统相平衡，精度有显著提高。

By introducing the interaction parameter to the model , a modified Cabezas model was presented . When the phase equilibrium data of above mentioned systems were calculated by the modified model , the accuracy of calculation was increased effectively .

双水相系统分离纯化南极假丝酵母脂肪酶

Separation and purification of Candida antarctica lipase in aqueous two-phase system

双水相系统在抗生素提取和合成中的应用

Applications of aqueous two-phase systems in extraction and synthesis of antibiotics

酵母醇脱氢酶在双水相系统中的亲和分配行为

Afinity Partition of Yeast Alcohol Dehydrogenase in the Aqueous Two-phase Systems

双水相系统纯化山楂叶中黄酮类物质的研究

Research of Aqueous Two-phase Extraction System Purification Flavonoids of Hawthorn Leaves

双水相系统中酶法水解明胶制取氨基酸的研究

Study on Aqueous Two-phase Systems to Produce Amino Acids Through Gelatin Hydrolysis

聚合物－聚合物双水相系统相平衡计算

Calculation of phase equilibrium for aqueous two-phase polymer systems

黄芩甙在伴有温度诱导效应双水相系统中的分配行为

Partitioning of Baicalin in aqueous two phases system combined with temperature induced phase separation

双水相系统连续逆流萃取蛋白质&填料塔中的传质系数

Continuous counter-current aqueous two-phase extraction of protein & mass transfer coefficient in packed column

双水相系统萃取细菌素发酵

Extractive Fermentation of Bacteriocin Using Aqeous Two-phase Systems

静态双水相系统分散相液滴上升速率的数学模拟

Mathematical Simulation of the Rising Rate of Dispersed Phase Droplets in Static Aqueous Two-Phase System

探讨了生物小分子在双水相系统中的分配机理。

The partition mechanism is also discussed .

在PEG&盐双水相系统中，进行了蛋白酶催化明胶水解制取混合氨基酸的研究。

S : To produce amino-acids through gelatin hydrolysis , catalyzed by protease by aqueous two - phase systems was studied .

糠醛精制新型萃取塔的研究和应用填料塔中牛血清清蛋白在聚乙二醇-硫酸铵双水相系统中的传质特性

Study on performance of new type-stack packed extraction column for furfural refining unit BAS Mass Transfer Coefficients in Apueous Two Phase System Using a Packed Extraction Column

本文采用七种活性染料为亲和配体，在双水相系统中分离人血清白蛋白、α球蛋白和β-球蛋白。

In this work , affinity partitioning of the human serum proteins ( albumin , α - globulin and β - globulin ) in the aqueous two-phase systems by using seven different species of active-dye-substituted polyethlene glycol has been investigated .

考察了聚合物分子量及其分布、盐种类、结线长度、相比及添加剂对生物物质在双水相系统中分配的影响，还进行了模拟料液与不同批次发酵液的对比实验。

The influencing factors of polymers ( molecular weight and its distribution ), salts , tie-line length , phase ratio and additives were all examined and the partition results of antibiotics and amino acids in different batches of fermentation broth were also given .

对于水溶性产品，如抗生素、糖、糖肽等的合成，需在水相中进行，此处利用双水相系统有其明显优势。

When the products are fully water-soluble , such as antibiotics , sugars , glycopeptides , etc , the synthesis has to be carried out in aqueous medium . In this case the use of aqueous two-phase systems could be a suitable option for continuous extraction of the products .

静电相互作用主导的双水相胶束系统研究

Study on the Electrostatic Interaction-dependent Aqueous Micellar Two-phase Systems

实验结果还表明紧邻双水相区边界的各向同性单相系统、层状液晶系统以及双水相系统的两共存相的粘度均不太大。

Experimental results illustrate that both the isotropic single-phase systems and lamellar liquid crystalline systems located at position very close to the boundaries of the aqueous two-phase systems , as well as the coexisted phases in aqueous two-phase systems are not very viscous .