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Embeddable arrows for electrical monitoring of plant organs using gelatin methacryloyl
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- Authors
- Geonho Lee, Jaehyun Kim, Giheon Ha, Gahae Han, Hyo-Jun Lee, Giju Eoh, Jongseok Park, Jae Joon Kim, Junmin Lee
- Issue Date
- 2025-11
- Citation
- Device, v.권호미정, pp.1-13
- ISSN
- 2666-9986
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- Long-term monitoring of plant health is essential in agriculture for managing crop yields. However, sensors with rigid electrodes can harm plants by disrupting their homeostasis and growth. Here, we introduce an electronic plant arrow (EPA), a substrate-free electrode made from photo-crosslinked gelatin methacryloyl (GelMA). GelMA offers flexibility, biocompatibility, and low electrical impedance, allowing electrical plant monitoring. The EPA is rigid when dry for easy insertion but softens and swells upon moisture absorption, minimizing tissue damage while ensuring stable electrical contact. The arrowhead shape enhances stable attachment, while the substrate-free design minimizes growth interference. This system enables continuous, organ-specific monitoring of plants, supporting precision agriculture.
- KSP Keywords
- Crosslinked gelatin, Electrical impedance, Long-term Monitoring, Plant Monitoring, Plant organs, Precision agriculture, crop yield, electrical contact, gelatin methacryloyl, moisture absorption, substrate-free