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Figure 2
Longitudinal section of a mature leaf branch of Astragalus bisulcatus, imaged with optical microscopy and using a metal monocapillary optic. The step size is 5 µm in both dimensions, and the specimen is approximately 100 µm thick. Concentration is derived as previously described (Pickering et al., 2000BB7) via a concentration standard. (a) and (b) are optical micrographs; (c) is a map of organic selenium.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 10| Part 3| April 2003| Pages 289-290
doi:10.1107/S0909049503003273
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