Results 51 to 60 of about 477,272 (219)
Human neutrophils exist as two epigenetically imprinted subtypes defined by stable CD177 expression or absence — a ratio that persists across time, circadian rhythms, and inflammation. CD177− neutrophils display a distinct molecular landscape enriched in arginase 1 and lipid metabolism markers, accumulate in head‐and‐neck tumors, and associate with ...
Marcel Jung +39 more
wiley +1 more source
A metal‐free fluorinated ketazine‐linked COF is introduced as an efficient electrocatalyst for nitrate reduction to ammonia under neutral conditions. Fluorine substitution enhances π–π stacking and crystallinity, enabling a Faradaic efficiency of 59.9% and an NH3 yield rate of 1639.9 µmol h−1 mgCOF−1 at −0.9 V versus RHE. This establishes an unexplored
Islam E. Khalil +12 more
wiley +2 more sources
High‐curvature γ‐Al2O3 nanoneedles concentrate heat into nanoscale hotspots under identical external heating, amplifying local temperature and accelerating CF4 decomposition. By linking curvature‐induced thermal localization to lower apparent activation barriers and enhanced intermediate formation, this work reveals geometry as a powerful design ...
Hang Zhang +12 more
wiley +1 more source
Heavier Alkyne‐Ni0 Complexes, [R2E2·Ni] (E = Sn, Pb), Exhibiting σ‐Complex Character
Using a reductive group elimination strategy, heavier alkyne (LEEL; E = Sn, Pb) complexes of Ni0 are accessed. In contrast to classical alkyne coordination, these systems are best described as σ‐complexes, driven by ligand‐induced constraints and the established poor π‐bonding in heavier alkyne analogues.
Leopold Junge +3 more
wiley +2 more sources
Kinetic–energetic projection of time‐resolved photoluminescence reveals that charge‐transfer injection acts as a universal bottleneck in organic solar cells. A physics‐constrained Bayesian framework identifies an emergent effective CT injection rate governing the trade‐off between charge generation and nonradiative energy loss.
Rong Wang +16 more
wiley +1 more source
An AI‐assisted approach is introduced to decode synthesis–performance relationships in metal‐organic framework‐derived supercapacitor materials using Bayesian optimization and predictive modeling, streamlining the search for optimal energy storage properties.
David Gryc +8 more
wiley +1 more source
M. G. Müller, Die Teilungen Polens 1772 - 1793 - 1795
Recenzja: Michael G. Müller, Die Teilungen Polens 1772-1793-1795, München 1984, ss. 133.
Stanisław Salmonowicz
doaj +1 more source
OS SABERES DOCENTES NO DIÁLOGO COM PROFESSORES DE CIÊNCIAS SOBRE EDUCAÇÃO CTS E NOVO ENSINO MÉDIO
Esta pesquisa tem por objetivo compreender os saberes docentes, a partir da fala de professores de Ciências sobre Educação em Ciência-Tecnologia-Sociedade e o Novo Ensino Médio, por meio do problema de pesquisa: O que é isso que se mostra, sobre saberes ...
Sinara München, Vanda Thomas Preussler
doaj +1 more source
Severin Rodler,1 Alexander Buchner,1 Lennert Eismann,1 Gerald Bastian Schulz,1 Julian Marcon,1 Stephan Ledderose,2 Boris Schlenker,1 Christian G Stief,1 Alexander Karl,3 Jan-Friedrich Jokisch1 1Department of Urology, Klinikum der Universität München ...
Rodler S +9 more
doaj
Ein chirales, sattelförmiges Nanographen mit zwei Heptagon‐integrierten [4]Helicenen
Wir präsentieren eine neuartige Synthesestrategie für ein chirales, sattelförmiges Nanographen (cSNG) über eine zweistufige Oxidation eines prochiralen Anthracen‐Vorläufers. Die Scholl‐Oxidation liefert zunächst ein Schlüsselzwischenprodukt mit sp3‐defekten Heptagonen, die anschließende oxidative Dehydrierung ergibt das vollständig konjugierte cSNG ...
Felix Trautner +11 more
wiley +1 more source

