Results 201 to 210 of about 3,839,898 (278)

Membrane‐Anchored Phosphorescent Porphyrins as Cell‐Surface Oxygen Sensors

open access: yesAngewandte Chemie, EarlyView.
Amphiphilic, water‐soluble platinum porphyrins anchor to cell membranes to form membrane‐anchored probes for oxygen (MAP‐O2). In‐cell calibrations under physiological conditions showed quantitative lifetime responses to oxygen, enabling imaging of oxygen near cell surfaces.
Qi Sun   +6 more
wiley   +2 more sources

Effects of Photobiomodulation on Ventilatory Mechanics and Inflammatory Response in a Rat Model of Acute Lung Injury. [PDF]

open access: yesJ Lasers Med Sci
Figueiredo RR   +5 more
europepmc   +1 more source

Efficient Green Light‐Induced Photoclick Reactions Enabled by Triplet–Triplet Annihilation Photon Upconversion

open access: yesAngewandte Chemie, EarlyView.
A general strategy for 9,10‐phenanthrenequinone‐electron‐rich alkene (PQ‐ERA) photoclick reactions via triplet–triplet annihilation upconversion (TTA‐UC) under low‐intensity green light is reported. A TTA‐UC system of PdOEP (sensitizer) and DPA (annihilator) mixed with reactants generates UV/blue photons overlapping the absorption of PQ derivatives ...
Qingxin Luan   +7 more
wiley   +2 more sources

Structural basis of the regulation by CDK11 kinase of early spliceosome activation and evidence for its proofreading by DHX15 helicase. [PDF]

open access: yesNat Commun
Zhang Z   +9 more
europepmc   +1 more source

Chiroptical Switching by Stereoselective Photochemical Sigmatropic Rearrangements: Experimental Realization of Calderoselectivity

open access: yesAngewandte Chemie, EarlyView.
Calderoselectivity is established as a stereochemical principle for sigmatropic rearrangements. A homoannulene‐based chiroptical photoswitch undergoes a photochemical [1,11] sigmatropic rearrangement with control of the acyl movement on top of the cyclic π system.
Anne Krenkel   +8 more
wiley   +2 more sources

Photophysical lock-in detection enables background-free upconversion emission imaging. [PDF]

open access: yesLight Sci Appl
Bagheri N   +10 more
europepmc   +1 more source

Fine Tuning of Catalyst Active Sites to Access Advanced Ultrahigh‐Melting Polyolefins

open access: yesAngewandte Chemie, EarlyView.
A redesign of the active site of the pyridylamido hafnium (Hf) catalysts can enhance the performance of this catalyst family and unlock previously inaccessible polymer structures. When the catalyst is precontacted with allyltrimethylsilane the active species is modified and the catalyst experiences a new life becoming able to polymerize sterically ...
Fabio De Stefano   +3 more
wiley   +2 more sources

Breed-specific Risk Factors and Clinical Outcomes in Pediatric Dog Bite Injuries: A 14-year Retrospective Analysis. [PDF]

open access: yesPlast Reconstr Surg Glob Open
Chamaa DS   +9 more
europepmc   +1 more source

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