新型化复合物的合成和表征:探索DNA/BSA结合和抗菌潜力
Jeniffer Meyer Moreira1, Sara Dos Santos Félix Vieira2, Gabriel de Deus Correia2
1Quality Control and Thermal Analysis Laboratory, Federal University of Grande Dourados, Dourados, State of Mato Grosso do Sul 79804-970, Brazil.
ACS omega
|March 3, 2025
概括
新的希夫基基金属复合物显示出生物医学中的潜力. 和铜复合物与DNA和牛血清白蛋白相互作用,铜复合物表现出显著的抗菌活性.
科学领域:
- 协调化学 协调化学
- 生物有机化学 生物有机化学
- 药用化学 医学化学
背景情况:
- 希夫基酸是协调化学中的有价值的配体.
- 这些配体及其金属复合体具有多种应用,特别是在生物无机和生物医学领域.
研究的目的:
- 为了合成和表征一个新的希夫基酸联体, (E) - 2 - 2 - 2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 酸) 甲基) (H2L).
- 准备并从结构上阐明从H2L.L.L.L.中衍生出的新 () 和铜 (铜) 复合物.
- 为了研究合成复合物的DNA和牛血清白蛋白 (BSA) 结合相互作用和生物活性.
主要方法:
- 通过凝结反应合成联结体.
- 复杂的形成与 (II) 化物和铜 (II) 酸盐.
- 使用IR,UV-vis,TGA-DSC和单晶X射线衍射 (SCXRD) 的结构特征.
- 通过光谱定位和粘度测量进行DNA相互作用研究.
- 分割系数分析. 分割系数分析.
- 使用光光谱学进行牛血清白蛋白 (BSA) 结合研究.
- 生物活性测试 (抗微生物,抗菌剂).
主要成果:
- 合成了三种新的晶体复合物:[Ni () HL () 2 () ] () 1 (),[Ni () 2 () L () 2 () Py () 2 () EtOH () ]·DMF·0.5H () 2 () O () 2 () 和[Cu () 3 () L () 2 () DMF () 2 () 3 () ] .
- 结构分析证实了具有N和O捐赠原子的单核,双核和三核复合体构成.
- 复合体通过间接与DNA相互作用,相互作用强度的顺序是:3 > 2 > 1.
- 复合体1和3显示出更高的脂性,表明潜在的膜透性.
- 复合体与BSA结合,遵循与DNA相同的相互作用顺序.
- 连接体没有显示抗微生物或抗酵母活性,而金属复合物则具有生物活性.
- 铜复合体表现出最强大的抗菌活性.
结论:
- 合成的希夫基酸连接体形成稳定的单核,双核和三核复合体,其中包括Ni (II) 和Cu (II).
- 金属复合体表现出显著的DNA和BSA结合能力,具有膜相互作用的潜力.
- 铜复合体显示出有前途的抗菌特性,突出其潜在的治疗应用.
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