Purificati相关论文
Orthogonal Solubility in Fully Conjugated Donor-Acceptor Block Copolymers:Compatibilizers for Polyme
Donor-acceptor(D-A) type fully conjugated block copolymer systems have been rarely reported due to the challenges in syn......
This paper reports the preparation and identification of two monoclonal antibodies against FTB, and the establishment of......
Objective:To explore antidiabetic principles of the Eastern Nigeria mistletoe,Loranlhus micranthus Linn,parasitic on Per......
cDNA cloning,sequence analysis,and recombinant expression of akitonin beta,a C-type lectin-like prot
AIM: To clone the cDNA of a new member of snake venom C-type lectin-like proteins, to study its structure- function rela......
Mass spectrometric identification of double bond positional isomers of hexadecenyl acetate without c
A method for the identification of the double bond positional isomers of hexadecenyl acetate has been established by an......
Studies on the Physicochemical Properties, Structure and Antitumor Activity of an Oligosaccharide Ho
An oligosaccharide homologue named SnS-2 was isolated from the root of Scrophularia ningpoensis Hemsl. SnS-2 was purifie......
The reaction of aromatic carboxylic acid with oxalyl chloride gives rise to the corres- ponding acid chloride which wi......
The copolymer poly(L-lactic acid)-b-poly(L-cysteine) (PLA-b-PCys) was co-electrospun with PLGA into ultrafine fibers. Th......
The microbial population dynamics in bulk and developing cucumber rhizospheres were studiedby cultivation and cultivatio......
With the development of colloid interface and enzyme technologies,enzyme-containing reversed micellar system has been re......
The project of Reprocessing Technology of Nuclear Fuel was funded by nuclear energy R&D program,which has to be complete......
The new air exhaust center for radioactive work area 111-2#,which replaced original workshop 111#,111-1#and 144-2#,was p......
Gene Sequence, Soluble Expression and Homologous Comparison of a D-Hydantoinase from Pseudomonas put
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
目的:探索高效率、条件温和的方法分离纯化有黏附活性的变形链球菌表面蛋白 P1,为进一步分析表面蛋白 P1生物学特性奠定实验基础.......
Preparation of recombinant firefly luciferase by a simple and rapid expression and purification meth
A simple and rapid expression and purification method of recombinant firefly luciferase was developed for bacteria detec......
研究葡萄汁有孢汉逊酵母β-葡萄糖苷酶的提取纯化步骤,为其增香酿造特性的研究提供技术支持。首先将优选酵母细胞在振幅为80的超声......
文章采用聚酰胺吸附树脂,采用水、0.2M/LNaCl溶液、5%NaOH水溶液为洗脱剂梯度洗脱分离纯化,得到了三个芦荟多糖组分,通过IR、UV、GC等手......
随着我国工业的迅猛发展,在很多行业中锅炉成为了不可或缺的设备,对锅炉用水进行必要的处理显得尤为重要。本文从锅炉水处理环节的......
目的探讨重组人干细胞因子/血小板生成素(SCF-TPO)融合蛋白纯化及复性的最佳方法.方法裂解法提取包涵体,在变性条件下利用金属螯和......
摘要 [目的]研究并优化啤酒活性干酵母凝血质的提取工艺。[方法]生长曲线法确定其培养时间,采用L9(34)正交试验设计,应用低温和葡聚糖......
对沙棘籽粕原花青素的提取工艺进行了研究。结果表明:以水作为提取溶剂,最佳提取工艺条件为料液比1:10,提取温度50℃,提取时间1h;静态和......
采用正交实验得出了微波辅助提取山药糖蛋白的优化实验条件,即微波功率200W、提取时间1min、料液比1∶10。山药提取液经脱蛋白、透......
Bacillus pumilus CN8菌株的发酵液,经离心分离得到粗酶液,再经硫酸铵盐析、透析,DEAE-Cellulose-52离子交换层析等步骤获得电泳纯......
将ACF加入由以十二胺、正硅酸乙酯、乙醇、水等组成的介孔分子筛(MS)合成反应液中制备负载MS的活性碳纤维(ACF-MS),MS含量由反应液......
目的:通过静态吸附解吸法优选适宜的大孔树脂,并对筛选出的树脂进行工艺优化,确定大孔吸附树脂纯化桑叶总黄酮的最佳工艺。方法采用比......
石蒜科植物红花石蒜(Lycoris radiata)球茎经生理盐水浸取、硫酸铵分级沉淀、DEAE-Sepharose和SephacrylS-100分子筛层析得到石蒜......
对单种和多种植物人工湿地对污水的净化效果和植物生长生物量进行了研究.结果表明,两种湿地对有机物CODcr的净化效果差异不明显,但多......
探讨了利用电渗析法去除木糖液中杂质离子的方法,通过单因素试验,获得了电流密度、循环流量、温度、操作浓度等优化操作条件。采用......
本实验在分离纯化胰酶样蛋白酶(Trypsin like protease,TLP)的过程中,牙龈卟啉菌(Pg)381胞外膜泡(extracellular vesicles,ECV)经......
采用树脂全容量交换技术及套碱工艺,实现碱性流出液与硫氰酸钠产品分离。经现场标定,改进后的腈纶污水系统硫氰酸钠回收率由原来的......
在“苏打焙烧-碱浸出-氯气浸出-TBP萃取除铁-中和水解除铬-P204萃取除微量杂质-N235萃取分离镍、钴”处理废高温镍钴合金工艺的基......
通过水培试验,研究了弯囊苔草在不同浓度生活污水中的生长特性及对生活污水TN、NH3-N、TP、CODCr的去除效果。结果表明,弯囊苔草在......
在工业企业中,根据企业的性质不同,锅炉房每日用水量一般占到企业用水量的10% ̄550%,而水膜除尘器的耗水量又占到锅炉房水量的75%。这隶若不加以利......
介绍了广西金川有色金属有限责任公司化工厂1600kt/a硫酸装置废酸废水处理系统产出化工中水回用情况。将化工中水用作药剂制备水、......
大黑花芸豆(Phaseolus multiflorus.Willd)种子经匀浆、浸取、硫酸铵分级沉淀、阴离子交换层析(DEAE-Sepharose)、阳离子交换层析(CM-Sep......
江西青霉是药用江西虫草的无性型,本文对江西青霉发酵菌丝体甲醇提取物的正丁醇萃取部位运用反复色谱层析进行了系统的分离纯化,得......
Twelve samples derived from different locations in south central area of China are treated by enrichment and spread-plat......
生产碱的细胞外的脂肪分解酵素的紧张 HB-03 从充满油的土壤样品被孤立并且作为曲霉属菌 awamori 识别了。为由紧张 HB-03 的脂肪......
红茶菌液经过滤、离心、减压 缩,丙酮加盐沉淀、SephadexG-50柱层析后,得到两个分子量部分,其中小分子量部分有抗菌活性,采用尿素-SDS-PAGE测定抗菌蛋白分子......
毛栓菌胞外漆酶经盐析、透析、sephadexH75和G25四步纯化,粗酶液被纯化了39.1倍,比活力12152,回收率45.3%。漆酶最适PH值为4.0,最适反应温度为30℃。K^+Cu^+2、Zn^2+离子可激活漆酶,而Ag^+、Fe^3+离......
为改善水合物分离效率,研究了蒙脱石(MMT)对CH4分离效果的影响。对甲烷体积分数为24.9%和40.4%的瓦斯气样A和B在四氢呋喃(THF)-MMT、十......
核酮糖二磷酸羧化酶在植物叶子中含量很高,一般约占总可溶性蛋白的50%以上,是世界上最为丰富的一种蛋白质(Ellis 1979)。这种蛋白质......
目的:研究表达重组人骨形态发生蛋白-7工程菌的发酵和表达产物的纯化工艺.方法:利用16L发酵罐发酵培养工程菌,设定了溶氧、搅拌速度......
目的:获得大鼠crip2基因片段,并在大肠杆菌中表达、纯化大鼠CRIP2(cysteine-richintestinalprotein2)蛋白。方法:从大鼠主动脉组织中提......
目的克隆表达及纯化屋尘螨第九组变应原(Derp9)蛋白,并鉴定其反应原性。方法提取屋尘螨总RNA,通过RT-PCR克隆Der P9基因,并连接到p......
长庆气田第一净化厂从德国Linde公司引进了一套采用Clinsulf-Do工艺的硫磺回收装置,用以处理1200×104m3/d MDEA脱硫装置产生......
研究自构建的重组人白细胞介素- 6(rhIL-6)基因工程菌株高效表达的影响因素及其rhIL-6产品中试工艺。方法:①将rhL-6-PBV重组质粒转化至RRI、JM103和 DH5 a不同宿主菌中,在M9CA......