Results 251 to 260 of about 856,893 (374)

Alloxazine derivatives as multifunctional agents for photodynamic therapy, cancer cell imaging, and cell proliferation inhibition

open access: yesPhotochemistry and Photobiology, EarlyView.
Alloxazine photosensitizers, molecularly engineered through sugar conjugation and methoxy substitution to enhance solubility, photodynamic potency, and fluorescence, enable image‐guided photodynamic therapy while inhibiting cancer cell growth in the absence of photoactivation.
Rubej R. Khan   +7 more
wiley   +1 more source

Thermally Driven Lanthanide Dual‐Site Doping Enables High Performance Perovksite Solar Cells via Halide Migration Suppression

open access: yesCarbon Neutralization, Volume 5, Issue 1, January 2026.
Thermally induced gradient doping of Pr3+/Sm3+ into a wide‐bandgap perovskite suppresses halide migration via a dual‐site mechanism (interstitial/B‐site) minimizes lattice distortion. This strategy enables efficient and stable perovskite solar cells with a PCE exceeding 23% and facilitates high‐performance all‐perovskite tandem solar cells.
Mengni Zhou   +13 more
wiley   +1 more source

Entorhinal Silencing Reveals Energy Cascade Organization of Hippocampal Oscillations

open access: yesHippocampus, Volume 36, Issue 1, January 2026.
ABSTRACT Hippocampal theta and gamma rhythms are often viewed as discrete channels supporting distinct cognitive operations. In particular, “gamma multiplexing” models propose that slow and fast gamma bands independently encode separate information streams or memory processes.
Ben Zhao   +3 more
wiley   +1 more source

Risks of Time and Chronology as an Underpinning Infrastructure for Critical Systems: Emerging Chronorisks and Chronosecurity Needs

open access: yesJournal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT Time and chronology form the invisible architecture upon which modern civilization depends, governing synchronization across markets, power grids, communication networks, transportation, and defense. Yet, this shared temporal framework, engineered through atomic clocks, satellites, and digital synchronization, faces growing vulnerabilities ...
Bilal M. Ayyub
wiley   +1 more source

Comment on a Study on the Aromaticity of [n]Circulene (n = 3–8)

open access: yesJournal of Physical Organic Chemistry, Volume 39, Issue 1, January 2026.
[n]Circulenes, except of [6]circulene, are nonplanar molecules (presented here is the optimized structure of [3]circulene). TRE analyses have to assume planarity and unoptimized other geometrical parameters. This results in ill‐assignment of aromaticity.
Amnon Stanger
wiley   +1 more source

Paving the Way Toward New Push‐Pull Superbases in the Gas Phase by an Effective DFT Approach: The Case of a New Structurally Complex Molecule, 5‐Aminopyrrole‐2‐Amidine

open access: yesJournal of Physical Organic Chemistry, Volume 39, Issue 1, January 2026.
DFT calculations, carried out in the gas phase for all possible tautomers of 5‐aminopyrrole‐2‐amidine (APA), permit the estimation of their relative stabilities and allow the selection of energetically favored forms. All tautomers are push‐pull imino N‐bases that exhibit calculated basicities in the higher range of the current gas‐phase basicity scale.
Ewa Daniela Raczyńska   +2 more
wiley   +1 more source

Unexpected Sign Inversion of the Circular Dichroism and Circularly Polarized Luminescence Response of Chiral Copolymer Thin Films by Tuning the Thickness and Annealing Conditions

open access: yesChemPhotoChem, Volume 9, Issue 12, December 13, 2025.
Copolymer thin films with induced supramolecular chirality show promise for chiroptical optoelectronic applications. Sign changes of the strong circular dichroism and circularly polarized luminescence (CPL) of such films are demonstrated by tuning their film thickness and annealing conditions.
Domenic Gust   +8 more
wiley   +1 more source

Cu2O/Cu Chiral Catalysts for Highly Selective Solar‐Assisted CO2‐to‐CO Electroreduction

open access: yesAdvanced Functional Materials, Volume 35, Issue 50, December 9, 2025.
To address the poor target‐product selectivity of the eCO2RR, breakthrough approaches based on the chiral‐induced spin selectivity phenomenon enhance the Faradaic efficiency (FE) for target hydrocarbons, such as CO. To induce this spin polarization strategy in Cu2O/Cu catalysts, it is proposed using amine‐based intermediate organic molecules with ...
Hyungsoo Lee   +13 more
wiley   +1 more source

Strong and Weak Coupling Nanophysics with Free Electron Beams

open access: yesAdvanced Optical Materials, Volume 13, Issue 34, December 2, 2025.
This paper focuses on a short review of the study of the coupling between optical excitations at the nanometer scale, made possible by recent advances in free electron beam spectroscopies. In particular, plasmon–plasmon, plasmon–exciton, and plasmon–phonon couplings are reviewed. Abstract The work of Luis M.
Mathieu Kociak   +6 more
wiley   +1 more source

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