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Surface Acoustic Waves to Drive Plant Transpiration.
Linköping University, Department of Science and Technology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-5154-0291
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-2799-3490
2017 (English)In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 7, 45864Article in journal (Refereed) Published
Abstract [en]

Emerging fields of research in electronic plants (e-plants) and agro-nanotechnology seek to create more advanced control of plants and their products. Electronic/nanotechnology plant systems strive to seamlessly monitor, harvest, or deliver chemical signals to sense or regulate plant physiology in a controlled manner. Since the plant vascular system (xylem/phloem) is the primary pathway used to transport water, nutrients, and chemical signals-as well as the primary vehicle for current e-plant and phtyo-nanotechnology work-we seek to directly control fluid transport in plants using external energy. Surface acoustic waves generated from piezoelectric substrates were directly coupled into rose leaves, thereby causing water to rapidly evaporate in a highly localized manner only at the site in contact with the actuator. From fluorescent imaging, we find that the technique reliably delivers up to 6x more water/solute to the site actuated by acoustic energy as compared to normal plant transpiration rates and 2x more than heat-assisted evaporation. The technique of increasing natural plant transpiration through acoustic energy could be used to deliver biomolecules, agrochemicals, or future electronic materials at high spatiotemporal resolution to targeted areas in the plant; providing better interaction with plant physiology or to realize more sophisticated cyborg systems.

Place, publisher, year, edition, pages
Nature Publishing Group , 2017. Vol. 7, 45864
National Category
Botany
Identifiers
URN: urn:nbn:se:liu:diva-136748DOI: 10.1038/srep45864ISI: 000397898100001PubMedID: 28361922OAI: oai:DiVA.org:liu-136748DiVA: diva2:1090423
Note

Funding agencies:Funding made possible by the Knut and Alice Wallenberg Foundation Scholar grant (KAW 2012.0302). Thank you to Drs. Eleni Stavrinidou, Gabor Mehes, David Poxson, and Mr. Jesper Edberg for support and discussions on current and future e-plant research and ideas. Additional acknowledgement to Prof. Thomas Laurell, Dr. Andreas Lenshof, Dr. Maria Antfolk (Lund University), and Prof. Leslie Yeo (RMIT University, Melbourne) for assistance getting started with SAW acoustofluidics. Magnus Karlsson and Gustav Knutsson (Linkoping University) provided indispensable help with the RF amplifier.

Available from: 2017-04-24 Created: 2017-04-24 Last updated: 2017-04-28

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