On this episode, an electrochemical scaffold that delivers safe doses of hypochlorous acid to treat wound infections in humans, and a method for sampling and monitoring bacteria and viruses or surfaces using plain paper stickers. Links: E-scaffolds on TWiM 143 The EPS matrix (J Bact) Integrated HOCL-producing E-scaffold (AAM) Surface sampling bacteria with paper stickers (AEM) Surface sample viruses with paper stickers (Sci Rep)