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- zwitterionic chromogens 两性离子发色体
- Zwitterion An ion with both a positive and a negative charge. 两性离子：既带有正电荷又带有负电荷的离子。
- The dilute-solution was prepared.The chromogens substrate solution and the coloration solution were synthesized. 制备样品稀释液、自行合成色原基质液和显色液；
- Why is alanine predominantly zwitterionic rather than completely uncharged at its pI? 为什么在等电点pH时，丙氨酸主要为兼性离子而非完全不解离的形式?
- The cell wall can be destructed badly by zwitterionic porphyrin, when it was observed by AFM (Atomic Force Microscope). 同时我们还利用原子力显微镜(Atomic Force Microscope，AFM)观察到带有正负电荷的卟啉(16)对细胞壁的破坏作用明显强于只带负电荷的卟啉。
- Synergisms of zwitterionic surfactant between the mixed surfactant system of SDS/ C12-C12 were investigated. 采用界面张力法考察了两性表面活性剂C12-C12在癸烷中与十二烷基硫酸钠(SDS)的协同作用。
- The basic structure of chromogen in PFBs remains the same, so PFBs have fluorescent properties of traditional FBs. 聚合型荧光增白剂中基本发色团的结构不变，具有传统荧光增白剂的光学性能；
- Results The concentration of zwitterionic detergent CHAPS and reductant was decisive for obtaining good resolution of 2-DE pattern. 结果：两性离子去污剂CHAPS及还原剂的浓度是影响双向电泳图谱分辨力的重要因素；
- The optimum sought super zwitterion polymer drilling liquid is with the aim,practicality,advantage and economy. 优选的超级两性离子聚合物钻井液具有针对性、实用性、先进性、经济性。
- These polyoxyethylene g1ycols couldbe converted to cationic or zwitterionic polyether polyols,which can be used as raw... 该类聚醚经转化能得到各种阳离子型或双离子型功能型聚醚，可作为合成软段含离子基因的聚氨酯离聚物的原料。
- This paper describes their various surface properties and solubility phenomena when zwitterionic surfactant is mixed with them. (2) 加入两性表面活性剂的量适当, 混合溶液基本保持原正负离子表面活性剂的表面活性;
- Key words: protein-surface interactions antithrombotic material molecular dynamics simulation zwitterionic structure nine peptides of FXII. 尽管完全验证“维持自然状态说”还必须对更复杂的蛋白质分子进行模拟，但本课题的工作仍然为其提供了一个有力的佐证。
- Covalent bonds between chromogen and macromolecule chains enhance their photochemical stability, increase their whitening performance and fluorescence quantum yield. 发色团与高分子链间的共价键使其光化学稳定性大大增强，增白性能和荧光量子产率显著提高。
- In the paper , Optimization of zwitterionic polymer drilling fluid and its applications in Shanbei area were introduced. 介绍了两性离子聚合物钻井液的配方优选与现场技术措施。
- Recently,studies of structure and dynamic properties of wormlike micelle have extended to different surfactant type such as anionic,zwitterionic and polymeric surfactants. 最近,蠕虫状胶束的结构和动态性质的研究已经延伸到不同类型的表面活性剂,如阴离子、两性离子和聚合物表面活性剂。
- The results show that a dominant interaction between -OH group of n-propanol and the zwitterionic group of serine gives positive contribution to the transfer volume. 丝氨酸在正丙醇-水混合溶剂中的迁移偏摩尔体积为正值，且随醇浓度的增大而增大。
- After the reaction of the partial carboxyl anions with ETC molecules, PANa chains become zwitterionic, i.e. each of PANa chains carry both carboxylic anions and ammonium cations. 当部分PANa分子链和ETC分子作用之后，PANa分子就成为两性离子的分子，也就是说，PANa分子上同时带有羧酸负离子和铵正离子。
- Developing environmentally friendly high performance new products, mixing different PFBs and polymerizing more monomers with different chromogens are likely to be new areas of research. 开发环保型高性能新产品、不同类型增白剂共混与复配以及多个含不同发色团单体间的聚合有可能成为新的研究热点。
- Besides zwitterionic surface, two other typical surfaces, namely, hydrophobic, hydrophilic, were also modeled to present different surface chemistry to nine peptides of FXII. 由于受到计算资源的限制，模拟整个蛋白质分子目前尚不可行。
- Its chemical structure insures that the thickener does not react with cationic, anionic or zwitterionic surfactants and emulsifiers and does not require neutralization. 其化学结构的保险，该增稠剂不反应，阳离子，阴离子或两性离子表面活性剂和乳化剂，并且不需要失效。
