Results 131 to 140 of about 2,142,328 (247)

Automation of the Azapeptide Submonomer Synthesis Method

open access: yesJournal of Peptide Science, Volume 32, Issue 11, November 2026.
The solid phase submonomer azapeptide synthesis method was automated using a commercially available peptide synthesizer. Key findings for the successful automation included the use of stable isocyanate precursor for the semicarbazone installation step, elimination of all cooling steps, use of a heating block, and use of DMF as solvent.
Tyler G. Hobart   +3 more
wiley   +1 more source

Organic Viticulture in Europe

open access: yes, 2002
Introduction Organic agriculture is a thriving sector in Europe, and in some countries 10 % of the agricultural area is organic. Not so, however, for organic viticulture: the percentage of organic viticulture land compared to all vineyards is lower than
Willer, Helga   +3 more
core   +1 more source

Decoding legacy phosphorus speciation in acidic, organic, and calcareous soils using solution‐state 31P nuclear magnetic resonance

open access: yesSoil Science Society of America Journal, Volume 90, Issue 6, November/December 2026.
Abstract Crops grown on over 40% of arable land are limited by low levels of bioavailable phosphorus (P). Additionally, about 80% of applied P becomes fixed in soil through sorption, precipitation, and complexation with humic–metal complex surfaces. This accumulated P, excluding geogenic P, is known as “legacy P” and can contribute to crop's needs if ...
MD Anik Mahmud   +10 more
wiley   +1 more source

Orchestrating Anion–π+ Interactions to Accelerate Metal‐Free Room‐Temperature Phosphorescence

open access: yesAngewandte Chemie, Volume 138, Issue 43, 19 October 2026.
Tuning anion–π+ interactions in pyridinium iodide contact ion pairs enables ultrafast metal‐free room‐temperature phosphorescence (540–605 nm) with radiative rates up to 5.2×105 s−1. Strong iodide→π+ charge‐transfer coupling, enhanced spin–orbit interactions, and dynamic ion‐pair organization accelerate intersystem crossing and emission, establishing ...
Eetu Hakkarainen   +12 more
wiley   +2 more sources

Organometallic Solution and Surface Routes to Highly Dispersed Carbon Nanotube‐Based Fe–N–C Electrocatalysts

open access: yesSmall Structures, Volume 7, Issue 11, November 2026.
Isolated Fe–N–C sites embedded in an extended 3D carbon framework are accessible under ambient conditions without pyrolysis for the first time. 57Fe Mössbauer, XANES, and EPR spectroscopy reveals iron in intermediate Fe>2+ and Fe3+ spin states with long‐range magnetic coupling between iron centers which are catalytically active in ORR.
Jörg J. Schneider   +16 more
wiley   +1 more source

On Organic Scintillators

open access: yesJournal of Synthetic Organic Chemistry, Japan, 1957
openaire   +2 more sources

Development of a wide field of view X‐ray imaging detector and its application in X‐ray multi‐scale imaging

open access: yesJournal of Synchrotron Radiation, Volume 33, Issue 6, Page 1737-1744, November 2026.
A wide field of view X‐ray imaging detector has been developed, and applied to wide‐range X‐ray multi‐scale imaging to visualize a relatively large object from its entire structure to the cellular level.A wide field of view X‐ray imaging detector with an effective field of view of more than 90 mm has been developed.
Masato Hoshino, Kentaro Uesugi
wiley   +1 more source

Evidence That the Protein Phosphatase Activity of PTEN Contributes to Embryonic Development and Tumor Suppression

open access: yesCancer Science, Volume 117, Issue 11, Page 2982-2996, November 2026.
Mice expressing only mutant PTEN Y138L, a protein which shows normal suppression of cellular AKT yet lacks protein phosphatase activity, die in utero, and heterozygous mice display a range of tumors. This indicates both the lipid and protein phosphatase activities of PTEN work together for normal tumor suppression and embryonic development.
Priyanka Tibarewal   +16 more
wiley   +1 more source

FAM3A Inhibits Plasma Triglyceride Levels via Microvasculature‐Involved Enhancement of VLDL‐Triglyceride Hydrolysis and Lipid Uptake

open access: yesThe FASEB Journal, Volume 40, Issue 20, 31 October 2026.
FAM3A enhances the PPARα signaling, leading to upregulated expression of lipid transporters including CD36 and TCF15. The upregulated CD36 and TCF15 enhance FA uptake and trans‐endothelial delivery in MVECs. Meanwhile, FAM3A‐enhanced PPARα signaling also increases LPL expression in myocytes and LPL position in lumen side of microvasculature to promote ...
Xiaohong Song   +7 more
wiley   +1 more source

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