Results 171 to 180 of about 20,257 (257)

Recent Advances in Nanomedicine for Targeted Phototherapy in Head and Neck Cancer. [PDF]

open access: yesInt J Nanomedicine
Liu H   +9 more
europepmc   +1 more source

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

open access: yesChemistry – 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   +8 more
wiley   +1 more source

Knowledge mapping of photodynamic therapy in bladder cancer: a bibliometric analysis (2000-2025). [PDF]

open access: yesTransl Androl Urol
Yuan J   +9 more
europepmc   +1 more source

N‐Aryl Acridone Derivatives as Effective Catalysts for Energy Transfer Reactions

open access: yesChemistry – A European Journal, EarlyView.
Acridones derivatives have high triplet energy, are simple accessible, and could be used in challenging [2+2] ENT reactions. ABSTRACT Organic photocatalysts capable of promoting high‐energy triplet energy transfer (EnT) remain limited, particularly for demanding [2+2] photocycloaddition reactions.
Francesco Calogero   +8 more
wiley   +1 more source

Impact of Organo‐Functionalization on the Light‐Driven Hydrogen Evolution Reactivity of Molecular Molybdenum Sulfides

open access: yesChemistry – A European Journal, EarlyView.
Organo‐functionalized molecular molybdenum sulfides were synthesized using bidentate N‐donor ligands and investigated as light‐driven homogeneous hydrogen evolution reaction (HER) catalysts. Trends observed in the HER activity of these catalysts were elucidated by combining photophysical, electrochemical and computational studies.
Moritz Jahn   +9 more
wiley   +1 more source

Bidirectional Photoswitching of a Tailored Azobenzene with Red and Far-Red Light Involving Triplet Sensitization in an Aqueous System. [PDF]

open access: yesAdv Sci (Weinh)
Miroshnichenko M   +11 more
europepmc   +1 more source

A Bio‐Based Chiroptical Overcrowded Alkene From Flavanone: Photoreactivity and Theoretical Investigation

open access: yesChemistry – A European Journal, EarlyView.
A sustainable route to photoresponsive molecular systems is achieved using the bio‐based flavanone (‐)‐isolonchocarpin from Tephrosia vogelii. Through McMurry homocoupling and light‐driven 6‐π‐electrocyclization, an overcrowded alkene and a fluorescent O‐heterocyclic phenanthrene are synthesized.
Deryl H. Limawan   +8 more
wiley   +1 more source

Photosensitizing Au(I) Catalysis With Coumarins

open access: yesChemistry – A European Journal, EarlyView.
A Au(I) complex with a tethered coumarin fragment was synthesized and characterized by UV‐vis and emission spectroscopy. Its ability to facilitate photo‐driven cross‐coupling reactions through single‐electron and energy transfer events was evaluated. ABSTRACT Gold catalysis shows versatility in a wide range of challenging transformations, wherein light‐
Liliana Capulín Flores   +2 more
wiley   +1 more source

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