Chemistry

A laboratory-validated RP-HPLC assay quantified residual 7-chloroquinaldine in a montelukast sodium intermediate with a quantification limit of 0.4932 ppm.

Canadian Science Publishing launched a Diamond Open Access collection of 14 French-language articles from eight journals on Érudit and opened...

A laboratory study found that ultrasound-assisted free-radical grafting attached sesamol to whey protein isolate in 90 minutes, matching a 24-hour...

Hubble observations of nearby starburst galaxies associate faster supernova-driven winds with less escaping ionizing radiation, strengthening a reionization scenario in...

A 40-day batch study in Jordan found that co-digesting hot-pressed olive pomace with municipal wastewater increased net methane yield to...

A laboratory study found that phytic-acid-modified corn-stalk superabsorbents adsorbed fertilizer solutions and reduced early urea and KDP release in soil...

China’s Da Qi-1 active lidar produced carbon-dioxide observations that closely matched passive satellites and ground-based references while extending coverage into...

An experimental study found regular polar-vortex patterns in lead-free BaTiO3/SrTiO3 superlattices grown on silicon, with phase-field modelling used to explain...

An experimental 25 mm photonic crystal scintillator increased average light output 4.64-fold and X-ray imaging signal-to-noise ratio by 13 dB...

Cooling a manganese dioxide electrocatalyst close to water’s freezing point suppressed permanganate-driven degradation more strongly than it reduced oxygen evolution...

An UNLV-led experiment found that solid water adopts a lower-symmetry structure above 222 GPa under pressures approximating conditions in Neptune’s...

A controlled high-field experiment identifies spin-fluctuation-mediated pairing in an electron-doped cuprate while leaving the distinct factor behind higher hole-doped transition...

A magnetic-probe and electron spin resonance method revealed differences in water-attracting and water-repelling environments inside covalent organic framework pores.

Spectroscopy and density functional theory provided the first reported characterization of methyl 6-bromo-2-naphthoate, including distinct vibrational modes, anharmonic bands and...

A single-turnover imaging method reveals that, during water dissociation on gold, regions with the strongest voltage response tended to have...

Statistical optimization of a surfactant-free precipitation process produced sub-100-nanometer silver oxide particles that delivered 400 mAh g⁻¹, or 92.6% of...

A peer-reviewed theoretical study found that non-unique quantum mixed-state decompositions may permit deterministic energy transfer without a corresponding transfer of...

A laboratory study found that a whey protein-carboxylated cellulose nanofiber Pickering emulsion increased capsaicin’s measured in vitro bioaccessibility to 46.23%...

A modeling study expanded benzene and phenol oxidation chemistry and reduced it to 30 reactions for regional air-quality models while...

An ultrasound-assisted click reaction generated ten theophylline–triazole acetamide hybrids in 55 minutes, with four halogenated compounds showing the strongest activity...