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The use of the X-ray absorption spectroscopy laboratory setup in the examination of copper(II) compounds for biomedical applications
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms ( IF 1.3 ) Pub Date : 2021-04-22 , DOI: 10.1016/j.nimb.2021.03.027
Wiktoria Stańczyk , Joanna Czapla-Masztafiak

New alternatives of platinum chemotherapeutics are still in the area of interest of many researches, that concentrates around other metal compounds, like copper. In this paper we demonstrate applicability of laboratory X-Ray Absorption Spectroscopy (XAS) experiments to study Cu-based materials. Unoccupied electronic structure of Cu(1,10-phenanthroline)Cl2 compound was examined. Herein we present obtained results supported with density of states calculations to determine the atomic contributions of ligands to Cu electronic states. Due to a specific molecular geometry, the Cu(1,10-phenanthroline)Cl2 complex is regarded as a potential candidate to coordinate to nitrogenous bases and in a consequence to break DNA at specific sites. The fundamental understanding of the electronic properties of this compound is thus crucial for any future application studies.



中文翻译:

X射线吸收光谱实验室设置在生物医学应用中检测铜(II)化合物的用途

铂化学疗法的新替代品仍在许多研究领域中,这些研究集中在其他金属化合物(如铜)周围。在本文中,我们演示了实验室X射线吸收光谱(XAS)实验对研究铜基材料的适用性。研究了Cu(1,10-菲咯啉)Cl 2化合物的未占据电子结构。在这里,我们提出的结果得到状态密度计算的支持,以确定配体对Cu电子态的原子贡献。由于特定的分子几何形状,Cu(1,10-菲咯啉)Cl 2该复合物被认为是潜在的候选物,可以与含氮碱基进行协调,从而破坏特定位点的DNA。因此,对该化合物的电子性质的基本了解对于任何未来的应用研究都至关重要。

更新日期:2021-04-22
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