Research Article
Nanofibrillated Cellulose and Copper Nanoparticles Embedded in Polyvinyl Alcohol Films for Antimicrobial Applications
Figure 3
Bacterial enumeration of the 24 h Escherichia coli culture exposed to control materials: (a, b) PVA film and (c, d) PVA/TNFC film for 1 week at room temperature. (a, c) Representative Petrifilm plates for 10−5 dilution; (b, d) representative Petrifilm count plates for 10−6 dilution.
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