Fig. 4: EIS characterization of the e-tattoo compared to conventional electrodes, versatility and long-term stability tests.
From: Epidermal electronic-tattoo for plant immune response monitoring
a Photos of a pothos leaf with different electrodes attached to the same site. b–c Bode plots obtained with different electrodes on the pothos leaf. d Photos of the A. thaliana leaf with different electrodes attached to the same site. e–f Bode plots obtained with different electrodes on the A. thaliana leaf. g–i Bode plots acquired with e-tattoo on the leaves of Coleus scutellarioides, Hypoestes phyllostachya, and Nicotiana benthamiana, respectively. j Photo of an intact A. thaliana plant with one leaf transfer-printed with the e-tattoo electrodes for EIS measurements. k–l Bode plots collected from day 1 to day 14, taken at the same time each day. Source data are provided as a Source Data file.
