Noninvasive Tools for Measuring Metabolism and Biophysical Analyte Transport at the Root– Rhizosphere Interface: Self-Referencing Electrochemical and Optical Sensors

Authored by: Eric S. McLamore , D. Marshall Porterfield

Plant Roots

Print publication date:  April  2013
Online publication date:  April  2013

Print ISBN: 9781439846483
eBook ISBN: 9781439846490
Adobe ISBN:

10.1201/b14550-51

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Abstract

The interface between roots and the surrounding rhizosphere is the boundary layer formed at the root surface, and the understanding of spatial and temporal variations of analyte activity within this unstirred layer provides critical information regarding root physiology. Thus, root biologists have been exploring this mass boundary layer using a wide variety of different techniques. Among these techniques, microsensors have contributed a large dataset regarding spatial and temporal variations in soil chemistry.

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