Results 231 to 240 of about 16,820 (310)
A Mononuclear Scenario for the Copper‐Catalyzed Monooxygenation of Phenolic Substrates
ABSTRACT Whereas a dinuclear pathway applies to the monooxygenation of phenols by the type 3 copper enzyme tyrosinase, a mononuclear pathway has been identified for the same reaction in corresponding small‐molecule systems. DFT calculations of five copper model complexes reveal that the latter mechanism is energetically feasible, identifying all ...
Alexander Koch +3 more
wiley +1 more source
In vitro comparative evaluation of the flexural strength of acrylic denture bases reinforced with nano-PEEK and PEEK-zirconia composites. [PDF]
Alrais S, Alghoraibi I, Salloum A.
europepmc +1 more source
In situ phenoxide formation at the benzene terminus triggers room‐temperature conversion of thia[6]helicene S,S‐dioxides to coronene. The solubility contrast drives product precipitation, enabling isolation by simple filtration. This pericyclic annulation between the helical termini provides direct access to coronene‐type planar architectures ...
Kaito Seino, Takashi Murase
wiley +1 more source
Effect of Framework Material and Thermal Aging on Shear Bond Strength of Three Different Gingiva-Colored Composite Resins. [PDF]
Incearik SC +4 more
europepmc +1 more source
A2.4Cr8Te14$A_{2.4}{\rm Cr}_{8}{\rm Te}_{14}$ (A = Rb, Cs) compounds exhibit a layered, ladder‐like Cr‐Te framework uniting structural motives of hollandite‐like and delafossite‐like phases. Alkali atoms are situated both in the interlayer space and tunnels within the Cr8Te14${\rm Cr}_{8}{\rm Te}_{14}$ framework.
Kai D. Röseler +2 more
wiley +1 more source
Effects of Thermal Aging on Optical, Surface, Mechanical, and Biological Properties of CAD/CAM Polymer-Based Dental Materials. [PDF]
Ateş G, Gungormus M.
europepmc +1 more source
New redox‐active oligothioguanidines are developed and used in dehydrogenative P–P coupling reactions and hydroquinone oxidations. Tetrathioguanidino‐ and tetraguanidinobenzenes oxidize high‐potential halogenated hydroquinones faster than relatively low‐potential hydroquinone.
Ute Wild +4 more
wiley +1 more source
Design and Characterization of Durable Glass Fibre (GF)-Reinforced PLA and PEEK Biomaterials. [PDF]
Gain AK, Zhang L.
europepmc +1 more source
Characterising and modelling tool-ply friction of viscous textile composites [PDF]
Akkerman, R. +3 more
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