Results 181 to 190 of about 282,921 (292)

1,4‐Digermacyclopenta‐1,3‐diene: Continuous Cyclic σ*–π Delocalization Enables Aromatic Stabilization in a Heavy‐Element 4π System

open access: yesAngewandte Chemie, EarlyView.
A five‐membered digermacycle exhibits an unusual 4π electron delocalization enabled by σ*(Ge–C)–π coupling within a nearly planar framework. Combined experimental and theoretical analyses reveal a continuous cyclic delocalization pathway, highlighting σ*–π interactions as a design principle for aromatic stabilization beyond classical π‐conjugated ...
Daichi Uchida   +2 more
wiley   +2 more sources

Methylene blue in the critical care setting. [PDF]

open access: yesWorld J Crit Care Med
Elmati PR   +4 more
europepmc   +1 more source

Mechanically Activated Luminescence in Polyurethanes Incorporating Calixarene Mechanophores

open access: yesAngewandte Chemie, EarlyView.
The conformational flexibility of a calix[4]arene is exploited to obtain a reversible mechanoluminophore featuring a pyrene excimer couple at the upper rim. Stretching a linear polyurethane incorporating such mechanophore results in luminescence color change from yellow–green to blue, consistent with a force‐induced conformational motion of the ...
Lucia Visieri   +3 more
wiley   +2 more sources

Cold atmospheric plasma degrades methylene blue and shifts bacterial inactivation during photodynamic therapy. [PDF]

open access: yesSci Rep
Baek KH   +8 more
europepmc   +1 more source

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