把对氢质子敏感的四氯对位苯醌(TCPBQ)置于在不锈钢丝末端的双层类脂膜(s-BLM)里.然后将这种固体支撑的s-BLM作为工作电极,Ag-AgCl电极作为参比电极,在各种pH水溶液里测得的电动势与pH的关系符合Nernst公式.这种s-BLM电极易于制备,尺寸很小(直径只有0.2 mm),能在两天内保持稳定.用这种电极对常规pH计难以测定的水包油型乳状液的pH作了测定,得到较好的结果.
参考文献
| [1] | Tien H T;Ottova A L.Membrane biophysics:As viewed from experimental bilayer lipid membranes (planar lipid bilayers and spherical iposomes)[M].Amsterdam and New York:Elsevier,2000:1-648. |
| [2] | Tien H T;Ottova A L .From self-assembled bilayer lipid membranes (BLMs) to supported BLMs on metal and hydrogel substrateds to practical applications[J].Colloids and Surfaces A:Physicochemical and Engineering Aspects,1999,149:217-233. |
| [3] | Umezawa Y;Kihara S;Suzuki K T et al.Molecular recognition at liquid-liquid iterfaces:Fundamentals and analytical applications[J].Special Issue of Analytical Science,1998,14(01):1-245. |
| [4] | 毕只初,H.T.TIEN,A.L.OTTOVA.类脂双层（BLM）概念及其实验进展--BLM四十年[J].生物化学与生物物理进展,2001(04):447-454. |
| [5] | Bi Z C;Qian Y Y;Zhao X L et al.Photosensitization systems of covalently linked phthalocyanine complexes in both BLMs and tin oxide photovoltaic cell[J].Photochemistry and Photobiology,1994,59(01):111-115. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%