Study on Properties and Antibacterial Mechanism of Rare Earth Functional Antibacterial Materials Containing Europium
A new type of rare earth functional antibacterial material was prepared,europium-containing polymetallic oxygen clusters(POMs,EuW10)were co-assembled with spermine(Spm),and the fluorescence of EuW10 was enhanced by about 13-fold,and the antibacterial property was increased from 61.34%to 100%.The mechanism showed that the synergistic effect between EuW10 and Spm enhanced its uptake of bacteria,and pro-moted the assembly to produce a large number of reactive oxygen species(ROS)with the participation of abundant hydrogen peroxide(H2O2)in the bacterial microenvironment,achieving excellent antibacterial performance.
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