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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Microsc Res Tech. 2010 Aug 23;74(7):671–681. doi: 10.1002/jemt.20907

Fig. 4.

Fig. 4

TXM mosaic transmission image of S. foliosa roots taken at 9 keV in absorption contrast shows dark particles and dark channels due to absorption by Hg (A). Blowup (B) shows greater detail. 2D stills (-ln(I/I0)) from tomography of particles from (B) show particles with greatest absorption (lightest), possibly surrounded by biofilms (C). 2D tomographic still (D) and reconstructed slice (E) of large particle indicate that highest Hg concentrations (lightest intensity) are on the outside of the fairly hollow particles. Figure reproduced from Patty et al. Environ. Sci. Technol. 2009, 43, 7397–7402.