Results 151 to 160 of about 113,612 (284)

Dinuclear Copper(I) Complexes Featuring Metal–Metal Interactions and a μ2‐Bridging Phosphane With Additional Olefinic Binding Sites

Chemistry – A European Journal, EarlyView.
A Cu2P triangle captured in a tetrapodal phosphane tris(olefin) ligand, where all binding forces are weak apart from the Cu─P interaction. ABSTRACT The molecule Ptrop3 contains in each trop unit (trop = dibenzo[a,d]cyclohepten‐5‐yl) a rigid central seven‐membered ring with an olefinic binding site making Ptrop3 potentially a tetradentate ligand ...
Zhongshu Li, Daniel Himmelbauer, Jan Oswald, Michael Wörle, René Verel, Zoltán Benkő, Hansjörg Grützmacher   +6 more
wiley   +1 more source

Bilingual evaluation of large language models for patient education in refractive surgery. [PDF]

Int J Ophthalmol
Tsai TH, Tsai CL, Hsu JH, Hsiao CH, Chen HC.   +4 more
europepmc   +1 more source

Breaking the Mold: Electrophilic Hydrophosphanation Emerges

Chemistry – A European Journal, EarlyView.
Electrophilic hydride attack on the olefin, instead of the classical nucleophilic addition by a phosphanido ligand, is unveiled in rhodium‐catalyzed olefin hydrophosphanation. This hydride‐driven pathway operates for both activated and inactivated olefins, with transition states characterized by elongated Rh─H bonds and nascent C─H bond formation ...
Víctor Varela‐Izquierdo, Janeth Navarro, Judit Cano‐Asensio, José A. López, Cristina Tejel   +4 more
wiley   +1 more source

Investigation of a Suspected Autochthonous Cholera Case in Brazil After an 18-Year Absence of Reported Cases. [PDF]

Rev Soc Bras Med Trop
Barberino MGMA, Mendes AVA, Marques GN, Barcia CAL, Muhana MA, Freitas AMC, Mercês MLS, Soares ÊS, Souza LJR, Mello ALES, Pereira FM, Santos AFDM, Rodrigues DDP, Ribeiro GS, Cardoso CW.   +14 more
europepmc   +1 more source

Pap Mutant of Avian Pathogenic Escherichia coli O1, an O1:K1:H7 Strain, Is Attenuated In Vivo

, 2009
P or Pap fimbriae of avian pathogenic Escherichia coli (APEC) have previously been shown to be important in the pathogenesis of colibacillosis. However, no study has been done to ascertain the effects of deletion of the genes responsible for P fimbrial ...
Kariyawasam, Subhashinie, Nolan, Lisa
core  

Double Thionation of 4‐Dimethylaminophthalimide Leads to the Development of a Highly Effective Photosensitizer

Chemistry – A European Journal, EarlyView.
We report on the photophysical properties and electronic relaxation mechanisms of 4‐dimethylaminophthalimide (DMAP) and thio‐4‐dimethylaminophthalimide (SDMAP). While DMAP is fluorescent, SDMAP shows negligible fluorescence due to ultrafast intersystem crossing to a long‐lived triplet state that decays in 3.4 ± 0.05 µs.
Chris Acquah, Eric Lee, Sourav Kanti Seth, Reshma Mathew, Rubej R. Khan, Steffen Jockusch, Shudan Yang, Han Xiao, Carlos E. Crespo‐Hernández   +8 more
wiley   +1 more source

A comparative benchmark of DeepSeek-R1 on the USMLE: surpassing human and AI performance averages. [PDF]

Clinics (Sao Paulo)
Zhou Y, Wang W, Zhao X, Hu K.
europepmc   +1 more source

Ultra‐Wideline 2D Correlations Among Low‐γ Species in Solid‐State NMR via the Progressive Saturation of a Common Proton Reservoir

Chemistry – A European Journal, EarlyView.
This study introduces PROSPECT, a 2D solid‐state NMR method that correlates MHz‐wide, low‐γ anisotropic powder patterns. PROSPECT operates by progressively depleting a shared 1H dipolar‐order reservoir via two independently stepped cross‐polarizing offsets, yielding homonuclear and heteronuclear correlations without requiring direct transfers or even ...
Rihards Aleksis, Lucio Frydman
wiley   +1 more source

SO2 Transfer Enabled by an Easy‐to‐Handle Ionic Liquid

Chemistry – A European Journal, EarlyView.
Best of both worlds: The ionic liquid [NEt3Me][Cl(SO2)n] unites the atom economy and low cost of sulfur dioxide with the safety and applicability of common surrogates, streamlining SO2 transfer to access to 3‐sulfolenes, sulfonamides, and SuFEx reagents.
Johanna S. Sturm, Letizia Lanfredi, Severin Erbertseder, Marius Balizs, Patrick Voßnacker, Simon Steinhauer, Merlin Kleoff, Anja Wiesner, Niklas Limberg, Patrick Pröhm, Franz‐Lucas Haut, Sebastian Riedel   +11 more
wiley   +1 more source

A new hexa-gonal polymorph of magnesium perchlorate hexa-hydrate obtained from an acetamide medium. [PDF]

Acta Crystallogr E Crystallogr Commun
Velyanova G, Kossev K, Nikolova R.
europepmc   +1 more source