On-site identification of ozone damage in fruiting plants using vapor-deposited conducting polymer tattoos.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 32917623.
- Also identified by DOI 10.1126/sciadv.abc3296 and PMC identifier 7473748.
- Licence recorded as CC BY-NC.
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Abstract
Climate change is leading to increased concentrations of ground-level ozone in farms and orchards. Persistent ozone exposure causes irreversible oxidative damage to plants and reduces crop yield, threatening food supply chains. Here, we show that vapor-deposited conducting polymer tattoos on plant leaves can be used to perform on-site impedance analysis, which accurately reveals ozone damage, even at low exposure levels. Oxidative damage produces a unique change in the high-frequency (>10<sup>4</sup> Hz) impedance and phase signals of leaves, which is not replicated by other abiotic stressors, such as drought. The polymer tattoos are resilient against ozone-induced chemical degradation and persist on the leaves of fruiting plants, thus allowing for frequent and long-term monitoring of cellular ozone damage in economically important crops, such as grapes and apples.