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A new coordination polymer for selectively detect TNP and its inhibition activity on P.gingivalis growth by reducing ragA and ragB gene expression
Journal of Polymer Research ( IF 2.8 ) Pub Date : 2019-12-02 , DOI: 10.1007/s10965-019-1958-3
Xu Wang , Dai-Qing Li , Jun Zhao , Chao Wei

A four-fold interpenetrated Zn(II)-based coordination polymer with the chemical formula of {[Zn2(L)2(bdc)]·(H2O)2·DMF}n (1) was synthesized by solvent method using terephthalic acid (H2bdc) and N1,N1,N4,N4-tetrakis(4-(1H-imidazol-1-yl)phenyl)benzene-1,4-diamine (L) as the mixed ligands. The as-prepared complex 1 was measured via the elemental analysis and single crystal X-ray diffraction. Furthermore, due to its strong intense emission, complex 1 could be applied as luminescent sensor to sensitively detect 2,4,6-trinitrophenol (TNP), which has the characteristics of high sensitivity and selectivity. In addition, to evaluate the anti-bacterial effect of compound 1 in vitro, the P.gingivalis growth curves were measured. And the relative expression of ragA and ragB was detected by RT-PCR to reveal the mechanism of the compound in the anti-infectious activity. The potential anti-infectious criteria that has been observed in the experimental measurement has been further studied by using molecular docking technique.



中文翻译:

一种通过降低ragA和ragB基因表达来选择性检测TNP及其对牙龈卟啉单胞菌生长的抑制作用的新型配位聚合物

采用溶剂法,通过化学合成了四倍互穿的Zn(II)基配位聚合物,其化学式为{[Zn 2(L)2(bdc)]·(H 2 O)2 ·DMF} n1)。对苯二甲酸(H 2 bdc)和N1,N1,N4,N4-四(4-(1H-咪唑-1-基)苯基)苯-1,4-二胺(L)作为混合配体。通过元素分析和单晶X射线衍射测量所制备的配合物1。此外,由于其强烈的强辐射,复合物1可作为发光传感器灵敏地检测2,4,6-三硝基苯酚(TNP),具有高灵敏度和高选择性的特点。另外,为了评价化合物1的体外抗菌作用,测量了牙龈卟啉单胞菌的生长曲线。通过RT-PCR检测ragAragB的相对表达,揭示了该化合物在抗感染活性中的作用机理。通过使用分子对接技术,对在实验测量中观察到的潜在抗感染标准进行了进一步研究。

更新日期:2019-12-02
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