Assessment of the Antimicrobial Activity of Polymer Materials with Added Nanosilica Modified by Silver Compounds

Abstract

The study was performed using PU and IPNs with 83 % PU and 17 % PHEMA. 10 % of the nanosilica with silver salt immobilized as one "layer" on the surface was inserted into each of them. The antimicrobial activity of the known central venous catheter with the immobilized silver compound and created in this work composites were compared. The microbiological studies included determination of the antimicrobial activity of the investigated samples and determination of their influence on the ability of the microorganisms to form a biofilm. The obtained results of the microbiological studies prove that the proposed samples are equal to the existing analogues and according to some criteria even surpass them.