以高浓度碘的水溶液作为显色剂,用紫外吸收分光光谱法测定非离子表面活性剂Tween20和Tween40的临界胶束浓度(CMC)分别为5.19×10-5 mol/L和1.90×10-5 mol/L,再采用黏度法测定这2种表面活性的CMC分别为5.00×10-5 mol/L和1.93×10-5 mol/L,并研究了不同浓度的NaCl溶液对临界胶束浓度和黏度的影响.结果表明黏...
Purity 85%, by SDS-PAGE with Coomassie Brilliant Blue staining. Formulation The purified protein was Lyophilized from sterile PBS (58mM Na2HPO4,17mM NaH2PO4, 68mM NaCl, pH7.4). 5 % trehalose and 5 % mannitol are added as protectant before lyophilization. The elution buffer contain 300mM imidazo...
1 mM的NaCl溶液中SDS或CTAB的CMC是多少？我查的文献基本都是10 mM以上盐浓度的体系里测得的CMC，请问...
which are in good agreement with literature values.Further determinations of surfactant cmc under various conditions show that the influence of temperature and the inorganic salt NaCl on the accuracy of the method is slight.Therefore,the applicability of the method is proven.We also tested the ...
燥后,将得到的样品置于相对湿度为75%的环境中干热反应一定时间后,通过质构分析、色度分析、SDS-PAGE、 差示扫描量热分析、扫描电子显微镜研究鸡蛋清蛋白与CMC及CMC-Na交联改性后性质的变化。结果表明:反 应温度60℃、反应时间2d时,各样品的凝胶强度显著增大,凝胶的微观网络更为均匀致密,蛋清粉中的小分子 ...
www.nature.com/scientificreports OPEN Sub-CMC solubilization of dodecane by rhamnolipid in saturated porous media received: 14 June 2016 accepted: 22 August 2016 Published: 13 September 2016 Hua Zhong1,2,3, Hui Zhang1,4, Zhifeng Liu1,4, Xin Yang1,4, Mark L. Brusseau3 & ...
图3-10不同浓度改性剂的十二烷基硫酸钠(SDS)水溶液的紫外吸收光谱图 Fig.3-10 UV spectrum of SDS solution with different concentrations of modifier 图3-11改性剂的标准曲线图 Fig.3-11 Standard curve of modifier 24 3.4小结 1.以黄原胶和氯代烃为原料,通过醚化反应合成了改性黄原胶(MXG), 研究了各种...
Further, the presence of NaCl at concentrations lower than 100 mM caused a decrease in the agarase activity; whereas, the activity was enhanced up to a concentration of 500 mM.Ravichand JonnadulDepartment of BiotechnologySanjeev C. Ghadi
In each measured system the increase of CMC adsorption in the presence of surfactants was observed. This increase was the smallest in the presence of SDS, a bit larger in the presence of Triton X-100 and the largest when the mixture of SDS/Triton X-100 was used. These results are a ...