Decoding the marine biogeochemical cycling of mercury by stable mercury isotopes

L Yang, B Yu, D Han, K Zhang, H Liu… - Critical Reviews in …, 2023 - Taylor & Francis
The oceans, serving as some of the most extensive reservoirs of mercury (Hg) on Earth, play
an essential role in the global Hg biogeochemical circulation, as a sink for atmospheric …

Using Mercury Stable Isotopes to Quantify Directional Soil–Atmosphere Hg (0) Exchanges in Rice Paddy Ecosystems: Implications for Hg (0) Emissions to the …

K Zhang, Q Pu, J Liu, Z Hao, L Zhang… - Environmental …, 2024 - ACS Publications
Gaseous elemental mercury [Hg (0)] emissions from soils constitute a large fraction of global
total Hg (0) emissions. Existing studies do not distinguish biotic-and abiotic-mediated …

Mercury isotopic evidence for the importance of particles as a source of mercury to marine organisms

LC Motta, JD Blum, BN Popp, BP Umhau… - Proceedings of the …, 2022 - pnas.org
The origin of methylmercury in pelagic fish remains unclear, with many unanswered
questions regarding the production and degradation of this neurotoxin in the water column …

Isotope data constrains redox chemistry of atmospheric mercury

Z Song, S Huang, P Zhang, T Yuan… - … Science & Technology, 2024 - ACS Publications
The redox chemistry of mercury (Hg) in the atmosphere exerts a significant influence on its
global cycle. However, our understanding of this important process remains shrouded in …

Dissociation of mercuric oxides drives anomalous isotope fractionation during net photo-oxidation of mercury vapor in air

G Sun, X Feng, R Yin, F Wang, CJ Lin, K Li… - Environmental …, 2022 - ACS Publications
The atmosphere is the primary medium for long-distance transport and transformation of
elemental mercury (Hg), a potent neurotoxin. The recent discovery of mass-independent …

[HTML][HTML] Atmospheric Hg (0) dry deposition over environmental surfaces: Insights from mercury isotope fractionation

Y Liu, H Liu, Y Guo, D Lu, X Hou, J Shi, Y Yin… - Eco-Environment & …, 2024 - Elsevier
Atmospheric Hg (0) dry deposition is a vital process that significantly affects the global
distribution and cycling of Hg. However, significant knowledge gaps and challenges persist …

Using mercury stable isotopes to quantify bidirectional water–atmosphere Hg (0) exchange fluxes and explore controlling factors

H Zhang, X Fu, X Wu, Q Deng, K Tang… - Environmental …, 2023 - ACS Publications
In this study, exchange fluxes and Hg isotope fractionation during water–atmosphere Hg (0)
exchange were investigated at three lakes in China. Water–atmosphere exchange was …

Root uptake dominates mercury accumulation in permafrost plants of Qinghai-Tibet Plateau

X Wang, W Yuan, CJ Lin, D Wang, J Luo… - … Earth & Environment, 2022 - nature.com
Uptake of atmospheric elemental mercury via foliage is thought to be the dominant pathway
of mercury accumulation in terrestrial ecosystems, including those in the Arctic permafrost …

Stable isotopes reveal photoreduction of particle-bound mercury driven by water-soluble organic carbon during severe haze

K Zhang, W Zheng, R Sun, S He, W Shuai… - Environmental …, 2022 - ACS Publications
Haze with high loading of particles may result in significant enrichment of particle-bound Hg
(PBM), potentially impacting the atmospheric Hg transformation and transport. However, the …

Nuclear spin effects in biological processes

O Vardi, N Maroudas-Sklare, Y Kolodny… - Proceedings of the …, 2023 - pnas.org
Traditionally, nuclear spin is not considered to affect biological processes. Recently, this has
changed as isotopic fractionation that deviates from classical mass dependence was …