59 Consequently, the δ 202 Hg values of bird tissues often exhibit a negative trend with decreasing %MeHg due to the demethylation reaction and a positive trend in δ 202 Hg in tissues with low %MeHg (<10%) due to HgSe biomineralization. 59 , 60 , 69 The different chemical forms of Hg exhibit unique Hg isotope signatures (δ 202 Hg MeHg > δ 202 Hg HgSe > δ 202 Hg Hg(Sec)4 ) that wer
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Internal Dynamics and Metabolism of Mercury in Biota: A Review of Insights from Mercury Stable Isotopes.
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