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. Author manuscript; available in PMC: 2008 Dec 1.
Published in final edited form as: Environ Sci Technol. 2007 Dec 15;41(24):8439–8446. doi: 10.1021/es070908q

FIGURE 4.

FIGURE 4

Gastight acrylic volatilization chambers used to collect the volatilized mercury from untransformed and chloroplast engineered pLDR-MerAB and pLDR-MerAB 3′UTR tobacco lines (in three replicates) grown over a 13-day period on soil amended with 100 µM of either PMA or HgCl2. Volatile Hg was quantitatively trapped in alkaline peroxide liquid traps solution (1:1 of 0.1% NaOH and 30% H2O2).