Results 261 to 270 of about 4,233 (285)

In Vitro Bioaccessibility and Speciation of Toxic and Nutritional Trace Elements in Brazil Nuts. [PDF]

open access: yesInt J Mol Sci
Barkleit A   +6 more
europepmc   +1 more source

Usability of Amorphous Manganese Oxide for Assessing the Proteoglycan Content in Articular Cartilage

open access: yesMagnetic Resonance in Chemistry, Volume 64, Issue 2, Page 207-216, February 2026.
Amorphous manganese oxide nanoparticles exhibit high relaxivity and diffuse into articular cartilage faster than Gd‐DTPA, making them a promising agent for evaluating proteoglycan content. ABSTRACT Osteoarthritis (OA) is a highly common chronic disease that decreases functional capacity and can cause disability. The early detection of the disease could
Riikka M. Korpi   +12 more
wiley   +1 more source

Evaluation of sampling and sample preparation methodologies for determination of mercury concentrations and stable mercury isotopes in foliage samples. [PDF]

open access: yesEnviron Monit Assess
Ali SW   +8 more
europepmc   +1 more source

VN Thin Films via MOCVD Using a New Vanadium Precursor: Linking Growth Chemistry to Functional Surface Properties

open access: yesSmall Methods, Volume 10, Issue 3, 9 February 2026.
A new vanadium precursor enables metalorganic chemical vapor deposition growth of pure and crystalline VN thin films with tailored orientation. Combined experiments and density functional theory calculations reveal the crucial role of NH3 in controlling decomposition pathways and film characteristics.
Jean‐Pierre Glauber   +11 more
wiley   +1 more source

Impact of Ferric and Ferrous Iron on the Crystallization of Rare Earth Sulphate Hydrates. [PDF]

open access: yesChemSusChem
Pawar N   +5 more
europepmc   +1 more source

Assessing Pb Isotopic Equilibrium Between Apatite and K‐Feldspar

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 2, February 2026.
Abstract Quantifying common Pb, the non‐radiogenic Pb present in a mineral independent of in situ U decay, is essential for obtaining accurate U–Pb ages in common Pb‐bearing minerals such as apatite. However, constraining the amount and composition of common Pb, as well as the timing of its entrapment, remains a persistent challenge.
Priyanjan Datta   +3 more
wiley   +1 more source

LA-ICPMS for In Situ U-Th Dating of Holocene Stalagmites. [PDF]

open access: yesAnal Chem
Wu CC   +3 more
europepmc   +1 more source

Diagenetic and Hydrothermal Processes Produce Heavy Molybdenum Isotope Signatures in Pelagic Sediments of the North and South Pacific

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 2, February 2026.
Abstract Molybdenum isotopes (δ98Mo) have been used for more than two decades to investigate past‐ocean redox conditions due to the distinct behavior of this element in oxic and anoxic environments. The oxic sink is generally accepted to have a near‐constant δ98Mo value of −0.7‰, a value derived primarily from the δ98Mo signatures of Fe–Mn crusts and ...
P. L. Fraga‐Ferreira   +3 more
wiley   +1 more source

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