Zn(II)-Containing Metal–Organic Framework for Fluorescence Detection of Nitrobenzene and Prevention Effect on Hypertension via Down-Regulating the Expression of Vitamin D Receptor

  • Ling Wei
  • Jian Lou
  • Li Liu
  • Xiu-Zhi Ma
  • Jia Li
  • Rui PanEmail author
  • Yong-Xin ZhangEmail author
Original Paper


A novel Zn(II)-based metal–organic framework {[Zn(L)](DMF)3}n (1) was prepared by using Zn(II) ions and bifunctional imidazole carboxylate ligands (5-(1H-imidazol-1-yl)isophthalic acid, H2L). Complex 1 is a fluorescent Zn-MOF sensor with high selectivity and sensitivity for the detection of nitrobenzene. KSV can reach 2.875 × 103 M−1. The protective effect of compound 1 on the hypertension was further explored. Firstly, the RT-PCR was performed to explore the influence of compound on vdr expression in vascular endothelial cells. Then, the ELISA assay was conducted to measure the renin and angiotensin II level in vivo after compound treatment. The results obtained from molecular docking and pose scoring software exhibited a possible binding mode of the compound binding to vitamin D receptor, which might provide potential regulation mechanisms for the compound.


Zn(II)-complex 3D framework Nitrobenzene detection Hypertension Molecular docking 



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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Clinical NutritionThe Second People’s Hospital of Yunnan ProvinceKunmingChina
  2. 2.Department of Clinical NutritionKunming Yan’an HospitalKunmingChina
  3. 3.Department of Clinical NutritionGejiu People’s HospitalGejiuChina
  4. 4.Department of CerebrovascularYuxi People’s HospitalYuxiChina
  5. 5.Department of Clinical NutritionYuxi People’s HospitalYuxiChina

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