Results 171 to 180 of about 3,906 (255)

Direct NMR Evidence of Distinct Cation‐CO2 Adducts in Asymmetric Phosphonium‐Based Aprotic N‐Heterocyclic Anion (AHA) Ionic Liquids

open access: yesChemSusChem, Volume 19, Issue 14, 29 July 2026.
An in situ NMR method using isotopically enriched 13CO2 reveals regioisomeric cation‐CO2 adducts in asymmetric phosphonium‐based aprotic N‐heterocyclic anion ionic liquids. Two distinct carboxylate species, formed at chemically nonequivalent α‐carbons, are unambiguously identified and quantified.
Pranav J. Thacker   +3 more
wiley   +1 more source

Substantial Accumulation of Chemically Oxidizable Organic Carbon in Continental Margin Sediments

open access: yesGeophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract The balance between organic carbon (OC) sequestration and oxidation regulates the oceanic carbon cycle, and OC reactivity determines its susceptibility to remineralization or long‐term burial. However, the stability of sedimentary OC on continental margins remains poorly understood.
Yufan Zhang   +5 more
wiley   +1 more source

Biomass carbon removal can help sustainable aviation fuels achieve on-time arrival. [PDF]

open access: yesiScience
Langholtz M   +12 more
europepmc   +1 more source

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