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Updated: Feb 7, 2026

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Analysis and imaging of boron distribution in maize by quantitative neutron capture radiography
Xingyao Wang1, John D Brockman2, James M Guthrie2
1Department of Chemistry, University of Missouri, 601S College Ave, 65211 Columbia, MO, USA.
Abstract:
Quantitative neutron capture radiography (QNCR) of 10B found in pre-dried maize samples has been conducted. Calibration standards constructed from filter paper mimicked plant tissues to reduce confounding matrix effects. A mathematical track elimination method improves the LOD as well as the visual contrast image at low boron concentration levels. The LOD for total boron is 1.7 µg/g in a 4 mm2 region of interest (ROI). The w(B) in five individual maize tassel meristems has been determined to be 14.9 µg/g - 21.2 µg/g.
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