Results 1 to 10 of about 3,646,083 (163)

A 14,000‐Year Sediment Record of Mercury Accumulation and Isotopic Signatures From Lake Malaya Chabyda (Siberia)

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 129, Issue 10, October 2024.
Abstract Eurasian permafrost soils contain large amounts of organic carbon (OC) and mercury (Hg), sequestered by vegetation during past and present interglacial periods. Lake sediment archives may help understand past OC and Hg dynamics and how they interact with climate‐related variables.
Lara Hughes‐Allen   +6 more
wiley   +1 more source

A history of strategies and a tapestry of triumphant tales in tackling plant fungal diseases

open access: yesPlant Pathology, Volume 73, Issue 7, Page 1619-1628, September 2024.
Here we review several major historical triumphs made by plant pathologists and breeders to tackle fungal diseases predominantly of the top five food crops—rice, wheat, maize, soybean and potato. Abstract Ever since the first crops were domesticated over 10,000 years ago, pests and pathogens have wreaked havoc on crop production.
Sarah L. Bailey   +3 more
wiley   +1 more source

Green Metrics and Sustainability in Photocatalysis

open access: yesChemCatChem, Volume 16, Issue 14, July 22, 2024.
Lights and shadows in photocatalysis. This Review analyzes the sustainability of photoredox catalytic processes in the context of mass‐based metrics, highlighting significant sustainability issues in photocatalysts synthesis and in catalytic protocols, primarily driven by energy demanding preparations and by solvent intensive work‐up and purification ...
Arianna Quintavalla   +2 more
wiley   +1 more source

Towards the Stable Binding of Mercury: Synthesis and Functionalization of Dibenzyldiazabicyclononane Scaffolds

open access: yesEuropean Journal of Organic Chemistry, Volume 27, Issue 25, July 1, 2024.
Mercury was safely caged into a dibenzyldiazabicyclononane scaffold to ensure the stable preparation of organomercurials for later radiotracer applications in nuclear medicine. The chosen synthesis route opens the easy introduction of different leaving groups for the mercuration process.
Toni Weber   +6 more
wiley   +1 more source

Methylmercury Effects on Birds: A Review, Meta‐Analysis, and Development of Toxicity Reference Values for Injury Assessment Based on Tissue Residues and Diet

open access: yesEnvironmental Toxicology and Chemistry, Volume 43, Issue 6, Page 1195-1241, June 2024.
Abstract Birds are used as bioindicators of environmental mercury (Hg) contamination, and toxicity reference values are needed for injury assessments. We conducted a comprehensive review, summarized data from 168 studies, performed a series of Bayesian hierarchical meta‐analyses, and developed new toxicity reference values for the effects of ...
Joshua T. Ackerman   +3 more
wiley   +1 more source

Arctic plasmidome analysis reveals distinct relationships among associated antimicrobial resistance genes and virulence genes along anthropogenic gradients

open access: yesGlobal Change Biology, Volume 30, Issue 5, May 2024.
We investigated the impact of melting glaciers and wastewater in the Arctic on the aquatic resistome. Plasmids, small genetic carriers known for transferring antibiotic resistance genes among bacteria were our target. By studying these genetic elements in glacial ice and nearby waters of Svalbard, we uncovered the presence of the unique as well ...
Nicoletta Makowska‐Zawierucha   +5 more
wiley   +1 more source

Neutral and cationic cyclic (alkyl)(amino)carbene mercury [cAAC-Hg(ii)] complexes: scope of hydroamination of alkynes with organomercury compounds.

open access: yesDalton Transactions, 2018
D. Bawari   +6 more
semanticscholar   +1 more source

A decacationic ferrocene-based metallostar. [PDF]

open access: yesChem Sci, 2023
Rupf SM, Moshtaha AL, Malischewski M.
europepmc   +1 more source

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