Retraction notice to "Two Cu(II) coordination polymers: Heterogeneous catalytic Knoevenagel condensation reaction and treatment activity on atherosclerosis via regulating the expression of the COX-2 in vascular endothelial cells". [J. Inorg. Biochem. 220 (2021) 111464]

Affiliations

• ¹ Imaging Intervention Room, 3201 Hospital of Xi'an Jiaotong University, Hanzhong, Shaanxi, China.
• ² Internal Courage, Hiser Hospital of Qingdao City, Qingdao, Shandong, China.
• ³ Vascular Surgery, Dalian Municipal Central Hospital, Dalian, Liaoning, China. Electronic address: Lnjdy1977@163.com.
• ⁴ Department of Chemistry, Capital Medical University, Beijing, China.