Sources, sinks, and cycling of dissolved organic copper binding ligands in the ocean

A Ruacho, C Richon, H Whitby… - Communications Earth & …, 2022 - nature.com
Organic Cu-binding ligands have a fundamental influence on Cu distributions in the global
ocean and they complex> 99% of the dissolved Cu in seawater. Cu-binding ligands …

Metal organic complexation in seawater: Historical background and future directions

JW Moffett, RM Boiteau - Annual Review of Marine Science, 2024 - annualreviews.org
The speciation of most biologically active trace metals in seawater is dominated by
complexation by organic ligands. This review traces the history of work in this area, from the …

A call for refining the role of humic-like substances in the oceanic iron cycle

H Whitby, H Planquette, N Cassar, E Bucciarelli… - Scientific reports, 2020 - nature.com
Primary production by phytoplankton represents a major pathway whereby atmospheric
CO2 is sequestered in the ocean, but this requires iron, which is in scarce supply. As over …

The role of humic-type ligands in the bioavailability and stabilization of dissolved iron in the Western Tropical South Pacific Ocean

G Dulaquais, P Fourrier, C Guieu, L Mahieu… - Frontiers in Marine …, 2023 - frontiersin.org
The high N2 fixation rate observed in the Lau Basin of the western tropical South Pacific
Ocean (WTSP) is fueled by iron (Fe) released from shallow hydrothermal systems …

[HTML][HTML] Competition between copper and iron for humic ligands in estuarine waters

MM Abualhaija, H Whitby, CMG van den Berg - Marine Chemistry, 2015 - Elsevier
We determined the concentration of iron-and copper-binding humic substances (Fe-HS and
Cu-HS) in estuarine waters along with the concentrations of iron-and copper-complexing …

[HTML][HTML] Copper-binding ligands in the NE Pacific

H Whitby, AM Posacka, MT Maldonado… - Marine Chemistry, 2018 - Elsevier
Copper distribution and speciation were determined at stations P4 and P26 along Line P as
part of a GEOTRACES Process Study in the Northeast Pacific, at depths between 10 and …

New prospects in the electroanalysis of heavy metal ions (Cd, Pb, Zn, Cu): Development and application of novel electrode surfaces

V Keramari, S Karastogianni, S Girousi - Methods and Protocols, 2023 - mdpi.com
The detection of toxic heavy metal ions, especially cadmium (Cd), lead (Pb), zinc (Zn), and
copper (Cu), is a global problem due to ongoing pollution incidents and continuous …

Distribution of copper-binding ligands in Fram Strait and influences from the Greenland Shelf (GEOTRACES GN05)

V Arnone, JM Santana-Casiano… - Science of the Total …, 2024 - Elsevier
Abstract The Fram Strait represents the major gateway of Arctic Ocean waters towards the
Nordic Seas and North Atlantic Ocean and is a key region to study the impact of climate …

Structural characterization of natural nickel and copper binding ligands along the US GEOTRACES Eastern Pacific Zonal Transect

RM Boiteau, CP Till, A Ruacho, RM Bundy… - Frontiers in Marine …, 2016 - frontiersin.org
Organic ligands form strong complexes with many trace elements in seawater. Various
metals can compete for the same ligand chelation sites, and the final speciation of bound …

Distributions of humic substances in an estuarine region (Otsuchi Bay, Japan) determined using electrochemical and optical methods

YP Lee, KH Wong, H Obata, K Nishitani, H Ogawa… - Marine Chemistry, 2023 - Elsevier
Humic substances are major components of the dissolved organic carbon pool in aquatic
environments that can bind to trace metals like copper and iron as organic ligands. The …