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Electrochemical mapping of indole-3-acetic acid and salicylic acid in whole pea seedlings under normal conditions and salinity.

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Title: Electrochemical mapping of indole-3-acetic acid and salicylic acid in whole pea seedlings under normal conditions and salinity.
Authors: Sun, Li-Jun1,2, Zhou, Jia-Jing1, Pan, Jin-Lin1,2, Liang, Yun-Yun2, Fang, Zi-Jun2, Xie, Yuan1, Yang, Haibing3,4, Gu, Hai-Ying1 hygu@ntu.edu.cn, Bao, Ning1,5 ningbao@ntu.edu.cn
Source: Sensors & Actuators B: Chemical. Dec2018, Vol. 276, p545-551. 7p.
Subjects: Indoleacetic acid, Salicylic acid, Peas, Seedlings, Salinity, Electrochemical sensors
Abstract: Highlights • Electrochemical detection for visual analysis of IAA and SA in plants based on paper-based analytical devices. • A multichannel electrochemical station was used to improve the detection throughput. • Contents of IAA and SA in pea seedlings could be obtained and presented with the form of heat maps. • Levels of IAA and SA in Pea seedlings under normal conditions and salinity could be differentiated. Abstract Indole-3-acetic acid (IAA) and salicylic acid (SA) are two essential phytohormones for plants. Their regulating functions depend on their levels in different locations of plants. However, currently there is no satisfactory method for visual analysis of such small molecules in a whole plant. Herein the levels of IAA and SA in continuous parts of whole pea seedlings were analysed with paper-based electroanalytical devices coupled with a multichannel electrochemical station. The parts of pea seedlings were cut and put on the working electrodes for quantification. The contents of IAA and SA in continuous parts could be presented in the form of heatmaps, illustrating polar distribution of IAA levels and gradual changes of SA levels in whole pea seedlings. The contents distribution of IAA and SA further revealed variation of IAA and SA in different locations of pea seedlings. More importantly, the contents of IAA and SA in pea seedlings under normal conditions and salinity could also be differentiated with heatmaps and the contents distribution. Such results implied that our approach might be able to be extended for the study of mechanisms of plant hormones under various stresses. This study provided a possible route for visualization of small biochemical molecules in vivo with paper-based electrochemical devices. [ABSTRACT FROM AUTHOR]
Copyright of Sensors & Actuators B: Chemical is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 131767991
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  Label: Title
  Group: Ti
  Data: Electrochemical mapping of indole-3-acetic acid and salicylic acid in whole pea seedlings under normal conditions and salinity.
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  Data: <searchLink fieldCode="AR" term="%22Sun%2C+Li-Jun%22">Sun, Li-Jun</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Jia-Jing%22">Zhou, Jia-Jing</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pan%2C+Jin-Lin%22">Pan, Jin-Lin</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Liang%2C+Yun-Yun%22">Liang, Yun-Yun</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Fang%2C+Zi-Jun%22">Fang, Zi-Jun</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Xie%2C+Yuan%22">Xie, Yuan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yang%2C+Haibing%22">Yang, Haibing</searchLink><relatesTo>3,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Gu%2C+Hai-Ying%22">Gu, Hai-Ying</searchLink><relatesTo>1</relatesTo><i> hygu@ntu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Bao%2C+Ning%22">Bao, Ning</searchLink><relatesTo>1,5</relatesTo><i> ningbao@ntu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Sensors+%26+Actuators+B%3A+Chemical%22">Sensors & Actuators B: Chemical</searchLink>. Dec2018, Vol. 276, p545-551. 7p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Indoleacetic+acid%22">Indoleacetic acid</searchLink><br /><searchLink fieldCode="DE" term="%22Salicylic+acid%22">Salicylic acid</searchLink><br /><searchLink fieldCode="DE" term="%22Peas%22">Peas</searchLink><br /><searchLink fieldCode="DE" term="%22Seedlings%22">Seedlings</searchLink><br /><searchLink fieldCode="DE" term="%22Salinity%22">Salinity</searchLink><br /><searchLink fieldCode="DE" term="%22Electrochemical+sensors%22">Electrochemical sensors</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Highlights • Electrochemical detection for visual analysis of IAA and SA in plants based on paper-based analytical devices. • A multichannel electrochemical station was used to improve the detection throughput. • Contents of IAA and SA in pea seedlings could be obtained and presented with the form of heat maps. • Levels of IAA and SA in Pea seedlings under normal conditions and salinity could be differentiated. Abstract Indole-3-acetic acid (IAA) and salicylic acid (SA) are two essential phytohormones for plants. Their regulating functions depend on their levels in different locations of plants. However, currently there is no satisfactory method for visual analysis of such small molecules in a whole plant. Herein the levels of IAA and SA in continuous parts of whole pea seedlings were analysed with paper-based electroanalytical devices coupled with a multichannel electrochemical station. The parts of pea seedlings were cut and put on the working electrodes for quantification. The contents of IAA and SA in continuous parts could be presented in the form of heatmaps, illustrating polar distribution of IAA levels and gradual changes of SA levels in whole pea seedlings. The contents distribution of IAA and SA further revealed variation of IAA and SA in different locations of pea seedlings. More importantly, the contents of IAA and SA in pea seedlings under normal conditions and salinity could also be differentiated with heatmaps and the contents distribution. Such results implied that our approach might be able to be extended for the study of mechanisms of plant hormones under various stresses. This study provided a possible route for visualization of small biochemical molecules in vivo with paper-based electrochemical devices. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Sensors & Actuators B: Chemical is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.snb.2018.08.152
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 7
        StartPage: 545
    Subjects:
      – SubjectFull: Indoleacetic acid
        Type: general
      – SubjectFull: Salicylic acid
        Type: general
      – SubjectFull: Peas
        Type: general
      – SubjectFull: Seedlings
        Type: general
      – SubjectFull: Salinity
        Type: general
      – SubjectFull: Electrochemical sensors
        Type: general
    Titles:
      – TitleFull: Electrochemical mapping of indole-3-acetic acid and salicylic acid in whole pea seedlings under normal conditions and salinity.
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            NameFull: Zhou, Jia-Jing
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              Text: Dec2018
              Type: published
              Y: 2018
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