Results 231 to 240 of about 998,630 (332)

A Photoredox Radical‐Polar Crossover Reaction for the Preparation of Monoprotected Dicarbonyl Compounds

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
An ATRA‐based, Ru‐photocatalyzed radical‐polar crossover reaction for the preparation of monoprotected dicarbonyl compounds is reported. This procedure is based on the capture of a cationic intermediate, arising from the radical step, with diverse nucleophiles.
Derek Mota‐Hernández   +2 more
wiley   +1 more source

Improving the Characteristics of the Direct FOC Strategy in DFIG‐Based Wind Turbine Systems Using FOIDD and FOPD Controllers

open access: yesEnergy Science &Engineering, EarlyView.
This study presents a new control strategy for doubly fed induction generator (DFIG) wind turbine systems to overcome the limitations of traditional direct field control using proportional‐integral (DFOC‐PI) regulators, which are sensitive to coefficient changes and lead to low power quality.
Hamza Gasmi   +5 more
wiley   +1 more source

Deriving the Charring Rate of a Wood Fibre Insulation Board by Exposure to the ISO 834 Standard Fire

open access: yesFire and Materials, EarlyView.
ABSTRACT Wood fibre insulation boards (WFIB) are widely used combustible building materials, commonly applied in energy‐efficient construction for their thermal and hygric performance. The present study investigates the behaviour of the most common type of wood fibre insulation when exposed to the ISO 834 standard fire.
Joel Philippe Karolin   +4 more
wiley   +1 more source

Assessment of Metabolites in Noni Fruit Slurry Fermented With Four Non‐Saccharomyces Yeasts

open access: yesFood Frontiers, EarlyView.
Dried noni fruit slurry (DNFS) was fermented for 14 days with selected non‐Saccharomyces yeasts. GCMS, HPLC and amino acid analysis showed that Pichia kluyveri Frootzen and Williopsis saturnus NCYC22 grew well, reduced off‐flavor fatty acids, generated fruity aroma compounds and preserved total phenolic content. ABSTRACT Noni products often suffer from
Zhuoran Zhang, Shao Quan Liu, Yuyun Lu
wiley   +1 more source

Distinct Dimerization Mechanisms in Silkworm and Spider Silk Proteins Revealed by Mass Photometry. [PDF]

open access: yesJ Phys Chem Lett
Johnson HR   +8 more
europepmc   +1 more source

π‐Expanded Fluoranthenes as Chromophores With Tailored Properties

open access: yesHelvetica Chimica Acta, EarlyView.
A series of π‐expanded fluoranthene scaffolds selectively functionalized with electron donors and acceptors were synthesized. The evolution of the structural, optoelectronic, and redox properties in relation to substitution and cyclization was comprehensively studied both in experiment and in theory. The results identify the compounds as highly tunable
Silas C. Eiden   +4 more
wiley   +1 more source

TTF-1 and p40 co-expression defines a distinct subtype of non-small cell lung cancer with frequent <i>TP53</i> mutations and FGFR pathway dysregulation. [PDF]

open access: yesTransl Lung Cancer Res
Braun M   +8 more
europepmc   +1 more source

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