Results 131 to 140 of about 36,694 (225)
Small, EarlyView.This review explores how interfacial engineering of silica&metal‐based nanohybrids enables precise architectural control, leveraging the structural and functional contributions of silica to overcome the inherent limitations of meta‐based materials. The antibacterial performance of these nanohybrids including membrane disruption, stimuli‐responsive ...
Dan Cheng, Yuchao Gu, Chengzhong Yu
wiley +1 more source
ElectronOptically responsive composite materials hold significant promise for in vivo diagnostics and targeted therapies. Rare‐earth‐doped upconversion nanoparticles (UCNPs), renowned for their unique luminescence properties, large anti‐Stokes shift, excellent ...
Jinghan Zhang +6 more
doaj +1 more source
Activatable smart contrast agents for photoacoustic imaging
Smart Molecules, EarlyView.This review highlights recent advances in smart activatable photoacoustic imaging (PAI) contrast agents, which dynamically modulate their optical properties in response to external stimuli or microenvironmental cues. It discusses their molecular design, activation mechanisms, biomedical applications, and future prospects for clinically tailored use ...
Donghyeon Oh +5 more
wiley +1 more source
Solar RRL, Volume 10, Issue 7, 15 April 2026.Perovskite solar cells have reached high power‐conversion efficiencies, yet further gains require improved optical design, particularly in the near‐infrared. This review surveys analytical and numerical studies on plasmonic nanoparticle‐enhanced perovskite solar cells (PSCs), clarifying key enhancement mechanisms. The influence of nanoparticle material,
Diogo F. Carvalho +5 more
wiley +1 more source
Optically Switchable Organic Field Effect Transistor via Intensity Modulated Single Near‐IR Source
Advanced Electronic MaterialsOptically switchable organic field effect transistors (OFETs) offer an additional modality for conventional electronic devices, allowing their electrical output to be switched via a specific optical input. Previously, optically switchable OFETs employing
Sungil Sunwoo +6 more
doaj +1 more source
ÓXIDO DE ÍTRIO E ALUMÍNIO DOPADO COM Yb3+ E Er3+ INCORPORADO EM MEMBRANA DE POLIAMIDA
Química NovaLanthanide ions have special light emission, which can occur through descending and ascending energy conversion. Ascending energy conversion is especially interesting for bioapplications because excitation in the infrared region does not excite ...
Michel L. de Souza +8 more
doaj +1 more source
Advanced Science, Volume 13, Issue 19, 2 April 2026.Disrupted neurovascular coupling contributes to ovarian dysfunction in polycystic ovary syndrome. Using near‑infrared II long‑wavelength imaging, this study visualizes how electroacupuncture dynamically regulates ovarian blood vessels in vivo. Immediate and cumulative stimulation elicit distinct vascular responses via a Netrin‐1 dependent mechanism ...
Yicong Wang +15 more
wiley +1 more source
Angewandte Chemie, Volume 138, Issue 13, 23 March 2026.A needle‐shaped gold nanocluster, Au42(PET)32, serves as a powerful triplet sensitizer, enabling rubrene to fully express its intrinsic annihilator capability (spin statistical factor f = 0.58). This sensitizer–annihilator pair achieves record‐high upconversion internal quantum yields of 21.4% (808 nm excitation) and 15.0% (936 nm excitation ...
Masaaki Mitsui +2 more
wiley +2 more sources
A sensitive infrared imaging up converter and spatial coherence of atmospheric propagation [PDF]
An infrared imaging technique based on the nonlinear interaction known as upconversion was used to obtain images of several astronomical objects in the 10 micrometer spectral region, and to demonstrate quantitatively the sharper images allowed for ...
Boyd, R. W., Townes, C. H.
core +1 more source
BioEssays, Volume 48, Issue 4, April 2026.Metal‐enhanced fluorescence (MEF) harnesses plasmonic interactions between fluorophores and metal nanostructures to increase excitation and/or radiative decay rates, yielding brighter, more photostable fluorescence signals for cellular imaging. This review highlights how nanoparticle size, shape, distance, and spectral overlap govern enhancement versus
Gregory K. Hodgson +1 more
wiley +1 more source