In the past on the film blog, we’ve talked about how antimicrobial film could extend the shelf life of food. Along those lines, researchers are developing better ways to tell consumers when that shelf life has expired. Researchers at McMaster University are developing a polymer film treated with DNA molecules, which they call DNAzymes, to display when food is expired or not good to eat. These DNAzymes would react with harmful bacteria, such as E. coli, and through a phone app, consumers could see these reactions. This film is simply laser-printed onto the polymer level, and has potential applications in the medical field to determine whether equipment is sterile for use.
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Bryan Hauger Consulting, Inc.'s Film Team features experts in everything from flexible packaging to failure analysis.