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Notice of retraction
Vol. 34, No. 8(3), S&M3042

Notice of retraction
Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
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Sensors and Materials, Volume 35, Number 10(3) (2023)
Copyright(C) MYU K.K.
pp. 4751-4760
S&M3427 Research Paper of Special Issue
https://doi.org/10.18494/SAM4431
Published in advance: August 24, 2023
Published: October 25, 2023

Continuous Extraction and Electrochemical Monitoring of Potassium Ions in a Plant Leaf Using a Wearable Ion Sensor [PDF]

Kuniaki Nagamine, Natsuki Kudo, Hajime Sasaki, Arina Asano, and Shigeyuki Iwasa

(Received April 17, 2023; Accepted July 27, 2023)

Keywords: plant, biosensor, smart agriculture

To the best of our knowledge, this is the first study to show the minimally invasive extraction and continuous monitoring of potassium ions (K+) in a plant leaf, which is one of the most important electrolytes in plant cells. By utilizing the leaching phenomenon, K+ in a leaf was extracted using an extraction solution, which is composed of phosphate-buffered saline and a surfactant, TritonX-100. K+ sensor films were placed in contact with the leaf surface via a membrane soaked in the extraction solution to detect K+ extracted from the leaf into the extraction solution. This novel plant-wearable sensor is expected to enable the minimally invasive daily monitoring of the chemical compounds in leaves for advancements in plant healthcare in future agriculture.

Corresponding author: Kuniaki Nagamine


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Cite this article
Kuniaki Nagamine, Natsuki Kudo, Hajime Sasaki, Arina Asano, and Shigeyuki Iwasa, Continuous Extraction and Electrochemical Monitoring of Potassium Ions in a Plant Leaf Using a Wearable Ion Sensor, Sens. Mater., Vol. 35, No. 10, 2023, p. 4751-4760.



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