Results 201 to 210 of about 160,210 (280)

Insights Into Bifenthrin Stereoisomers and Their Regulatory Implications

open access: yesChemistryOpen, Volume 15, Issue 5, May 2026.
Bifenthrin is a pyrethroid insecticide with two stereogenic centers, generating four stereoisomers with distinct physicochemical and electronic properties. A combined crystallographic and density functional theory study, supported by Hirshfeld surface, quantum theory of atoms in molecules, natural bond orbital, and reactivity descriptor analyses ...
Nayara C. M. Santos   +7 more
wiley   +1 more source

Total Synthesis of the Spirocyclic Bis‐Indole Alkaloid (−)‐Owerreine via a [4+2] Annulation

open access: yesAngewandte Chemie, Volume 138, Issue 17, 20 April 2026.
The total synthesis of the bis‐indole alkaloid (−)‐owerreine has been accomplished by a diastereoselective [4+2] annulation between an enamine and an α,β−unsaturated indolenine precursor to form the 3‐spirocyclic tetrahydropyridine linkage of the natural product. DFT calculations allow an understanding of the mechanism of the key annulation.
Elisa Coll   +4 more
wiley   +2 more sources

Synthesis, crystal structure and Hirshfeld surface of bis-(acetato-κ<sup>2</sup> <i>O</i>,<i>O</i>')(2-benzyl-1<i>H</i>-benzimidazole-κ<i>N</i> <sup>3</sup>)copper(II). [PDF]

open access: yesActa Crystallogr E Crystallogr Commun
Boboyeva G   +6 more
europepmc   +1 more source

C21. DEFINICIÓN DE ENDOCARDITIS PROTÉSICA PRECOZ

open access: yesCirugía Cardiovascular
J. Calderón-Parra   +14 more
openaire   +2 more sources

The Impact of the Sulfur Allotropes and Sulfur Hydrides on the Venus Cloud Chemistry

open access: yesJournal of Geophysical Research: Planets, Volume 131, Issue 5, May 2026.
Abstract Venus is home to vivid sulfur chemistry, with SO2 ${\text{SO}}_{2}$ as the major sulfur gas species and a global cloud layer between 47 and 70 km composed of H2SO4 ${\mathrm{H}}_{2}{\text{SO}}_{4}$ and H2 ${\mathrm{H}}_{2}$O. The chemistry in the clouds has been extensively studied with 1D models, but none is able to reproduce the three orders
Maxence Lefèvre   +6 more
wiley   +1 more source

Protein phosphatase 2A subunit B55 alpha is required for angiotensin type 2 receptor elicited natriuresis. [PDF]

open access: yesAm J Physiol Renal Physiol
Gildea JJ   +7 more
europepmc   +1 more source

Gap Analysis of Metabolic Conversions of Off‐Flavors and Antinutrients in Plant‐Based Substrates

open access: yesComprehensive Reviews in Food Science and Food Safety, Volume 25, Issue 3, May 2026.
ABSTRACT To drastically reduce the carbon footprint of the food production chain, a major shift towards alternatives to conventional meat and dairy products is required. The use of plant‐based proteins is a promising route, but it also comes with challenges: Plant‐based proteins often contain antinutritional factors and off‐flavors, which can ...
Robin I. Kuijpers   +16 more
wiley   +1 more source

More tools to uncover cancer cells. [PDF]

open access: yesMol Ther Oncol
Pignataro MF, Santos J.
europepmc   +1 more source

OSA Initiates Histone Lactylation That Drives PDE4B/FUS/AGT Axis to Pulmonary Hypertension

open access: yesCell Proliferation, Volume 59, Issue 5, May 2026.
This study illustrates how chronic intermittent hypoxia (CIH) in obstructive sleep apnea (OSA) leads to hypertension via increased oxidative stress and mitochondrial dysfunction in pulmonary artery smooth muscle cells (PASMCs), causing glycolytic dysregulation. Lactate accumulation enhances histone lactylation, upregulating phosphodiesterase 4B (PDE4B),
Li Yang   +12 more
wiley   +1 more source

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