NanoSIMS analysis of arsenic and selenium in cereal grain.
*Cereals are an important source of selenium (Se) to humans and many people have inadequate intakes of this essential trace element. Conversely, arsenic (As) is toxic and may accumulate in rice grain at levels that pose a health risk. Knowledge of the localization of selenium and arsenic within the cereal grain will aid understanding of their deposition patterns and the impact of processes such as milling. *High-resolution secondary ion mass spectrometry (NanoSIMS) was used to determine the l...Expand abstract
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