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X-ray Phase-contrast imaging

Martin Bech

Universitetslektor

X-ray Phase-contrast imaging

eSoil : A low-power bioelectronic growth scaffold that enhances crop seedling growth

Författare

  • Vasileios K. Oikonomou
  • Miriam Huerta
  • Alexandra Sandéhn
  • Till Dreier
  • Yohann Daguerre
  • Hyungwoo Lim
  • Magnus Berggren
  • Eleni Pavlopoulou
  • Torgny Nãsholm
  • Martin Bech
  • Eleni Stavrinidou
Visa allt

Summary, in English

Active hydroponic substrates that stimulate on demand the plant growth have not been demonstrated so far. Here, we developed the eSoil, a low-power bioelectronic growth scaffold that can provide electrical stimulation to the plants' root system and growth environment in hydroponics settings. eSoil's active material is an organic mixed ionic electronic conductor while its main structural component is cellulose, the most abundant biopolymer. We demonstrate that barley seedlings that are widely used for fodder grow within the eSoil with the root system integrated within its porous matrix. Simply by polarizing the eSoil, seedling growth is accelerated resulting in increase of dry weight on average by 50% after 15 d of growth. The effect is evident both on root and shoot development and occurs during the growth period after the stimulation. The stimulated plants reduce and assimilate NO-3more efficiently than controls, a finding that may have implications on minimizing fertilizer use. However, more studies are required to provide a mechanistic understanding of the physical and biological processes involved. eSoil opens the pathway for the development of active hydroponic scaffolds that may increase crop yield in a sustainable manner.

Avdelning/ar

  • Medicinsk strålningsfysik, Lund
  • LTH profilområde: Teknik för hälsa
  • X-ray Phase Contrast

Publiceringsår

2024

Språk

Engelska

Publikation/Tidskrift/Serie

Proceedings of the National Academy of Sciences of the United States of America

Volym

121

Issue

2

Dokumenttyp

Artikel i tidskrift

Förlag

National Academy of Sciences

Ämne

  • Plant Biotechnology

Nyckelord

  • bioelectronics
  • electrical stimulation
  • plant growth

Status

Published

Forskningsgrupp

  • X-ray Phase Contrast

ISBN/ISSN/Övrigt

  • ISSN: 0027-8424