Herein we present investigations of electrochemical behavior over a series of selected bisicosahedral cobalt bis(heteroborane)(1-) derivatives in aqueous phosphate buffers. This pilot study is focused on distinct effects connected with either exo-skeletal substitutions at boron atoms with bridging and non-bridging groups or by influence of endo-hedral replacement of four cage CH groups present in the parent cobalt bis(dicarbollide) ion by two isolobal sulfur groups. The substitutions can thus be utilized for an easy tuning of the electrochemical properties of these boron polyhedral ions and for optimizing their responses in two quite broad electrochemical windows. The former is found in the negative potential corresponding to the redox process on the central metal atom; the latter, which was not considered in the literature, is located in the positive potential region and is connected with core cage oxidation process. Such properties seem to provide promising potential for electroanalytical sensing of this family of heterometallaboranes in tissues and their use for electrolabelling of biopolymers.

本文中，我们介绍了在磷酸盐缓冲液中一系列选定的双二十面体钴双（杂硼烷）（1-）衍生物的电化学行为。这项前瞻性研究的重点是与具有桥联和非桥联基团的硼原子上的外骨架取代有关的独特效应，或受内-由两个等边硫基团取代存在于母体双（双糖）钴离子中的四个笼形CH基团的面体取代。因此，该取代可用于容易地调节这些硼多面体离子的电化学性质，并用于在两个相当宽的电化学窗口中优化它们的响应。前者存在于中心金属原子上与氧化还原过程相对应的负电位中；后者未在文献中考虑，位于正电势区域，并与核心笼氧化过程有关。这样的性质似乎为该组织中的杂金属戊二烯家族的电分析感测及其在生物聚合物的电标记中的应用提供了有希望的潜力。