Results 111 to 120 of about 83,260 (295)

UV–Vis Spectra of Carbonic Acid: Rationalizing Experimental Redshifts between Monomer and Bulk based on (H2CO3)n Calculations

open access: yesChemPhysChem, EarlyView.
In bulk carbonic acid (e.g., in interstellar icy dust grains) cluster formation produces two distinct UV‐Vis spectral features redshifted by ≈2 eV (25 nm) and by ≈5 eV (80 nm) compared to gas phase single molecule carbonic acid 's adiabatic ionization energy. Theory and experiment were used to investigate the origin of these shifts.
Dennis F. Dinu   +7 more
wiley   +1 more source

A Telescoped Strategy for the Preparation of Five‐Membered Hetero‐ and Carbocycles via Hydrogen Atom Transfer Photocatalysis in Flow

open access: yesChemSusChem, EarlyView.
Pyrroles, thiophenes, and cyclopentenones are vital in drug discovery, yet their synthesis via diversity oriented synthesis is limited. Herein, a modular platform is developed for the scalable, telescoped synthesis of named structures in continuous flow by streamlining photocatalyzed hydrogen atom transfer and Paal–Knorr or Hunsdiecker condensation ...
Filippo Sacchelli   +8 more
wiley   +1 more source

Transendocardial injection of expanded autologous CD34+ cells after myocardial infarction: Design of the EXCELLENT trial

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 1455-1463, April 2025.
Abstract Aims The extent of irreversible cardiomyocyte necrosis after acute myocardial infarction (AMI) is a major determinant of residual left ventricular (LV) function and clinical outcome. Cell therapy based on CD34+ cells has emerged as an option to help repair the myocardium and to improve outcomes.
Jerome Roncalli   +17 more
wiley   +1 more source

Cross‐Coupling Reactions in Aqueous Micellar Media

open access: yesEuropean Journal of Organic Chemistry, Accepted Article.
Thanks to their ability to efficiently and reliably construct carbon‐carbon and carbon‐heteroatom bonds, cross‐coupling reactions remain at the forefront of chemical research in both academic and industrial settings. However, the growing emphasis on sustainability has exposed the shortcomings of cross‐coupling chemistry in several areas, including the ...
Alexander Uner, Liam Thomas Ball
wiley   +1 more source

The Turret Telescope

open access: yesScientific American, 1912
n ...
openaire   +3 more sources

Lasers, Flowers, Bees: Modeling the Number of Flowers and Bee Forage on Cherry Trees Using 3D Point Clouds

open access: yes
The Bulletin of the Ecological Society of America, EarlyView.
Zoe Schindler   +2 more
wiley   +1 more source

Multistep Reactions Initiated by Amine‐Based Organometallic Methods

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
The advent of C–H activation and other organometallic methodologies making use of transient directing groups or free amines themselves for the elaboration of amine substrates provides unique access to cascade‐type reactions that can generate significant molecular complexity in one pot. The pursuit of atom‐ and step‐economical pathways to access complex
Victoria D. Ho   +3 more
wiley   +1 more source

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