Journal
CHEMISTRY LETTERS
Volume 37, Issue 3, Pages 304-305Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.2008.304
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A transition edge sensor (TES) microcalorimeter detector with an energy resolution of 17.3eV@1.74keV mounted on an SEM has been newly developed and applied for the first time to reveal the cellular distribution of Cd in a cadmium hyper-accumulating plant. The elemental maps of the light element P as well as the heavy elements Cd and Zn were also successfully obtained. Similarly, the simultaneous analysis of As L alpha and Mg K alpha in an arsenic-accumulating fern was possible with this system. It is expected that the microcalorimeter EDS system has the potential to open a new area of the X-ray microanalysis of biological samples.
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