Novel approach to study mechanisms of Na+ transport in plants using Lab on a Chip technology

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A Lab on a Chip for sodium ion measurements in plants is proposed, offering a long overdue solution to the lack of appropriate techniques to study the mechanisms of sodium iron uptake, transport and compartmentation. Sodium ion transport is a key determinant of salt tolerance, but a good understanding of its transport mechanisms is lacking since no appropriate measurement tools are available. Using the system proposed here, sodium ion is separated from interfering ions, allowing fast and selective measurements. A series of ground breaking studies towards sodium ion uptake, transport and compartmentation in plants will be conducted using this Lab on a Chip.