Fig. 4. The numbers of E. coli 1030 recovered after irradiation 300 lux, for 48 hours. Initial – inoculum; control – untreated polyurethane (PU); PU + AuNP + CV – PU with encapsulated AuNP and coated with crystal violet. All experiments were carried out in duplicate and repeated three times. The data shows mean values + SD, statistical significance was determined using the Student's t-test comparing each test condition to its respective control (*p < 0.05).
