Results 191 to 200 of about 51,488 (252)

Hybrid Quatsome‐Encapsulated Silver Nanoparticles as Stable Plasmonic Substrates for Surface‐Enhanced Raman Scattering

Journal of Raman Spectroscopy, EarlyView.
In this work, silver nanoparticles encapsulated within quatsome membranes have shown to preserve their plasmonic properties for at least 165 days without aggregation. These hybrid nanostructures enable strong SERS enhancement of pyrene and Prodan by confining the molecules within a few nanometers from the silver surface.
Renato Cezar Peramezza Ribeiro, Caio Hiroaki Miyake, Pedro Henrique Figueiredo Backes Costa, Jhenifer Hallen Braga Mauricio, Ana Luiza Correa Januário, Diogo Soga, Evandro Luiz Duarte, Márcia de Almeida Rizzutto, Rômulo Augusto Ando, Antonio Rodrigues da Cunha, Erix Alexander Milán‐Garcés   +10 more
wiley   +1 more source

Metasurface‐Based Polarization‐Controlled Generation of 128‐Dimensional Vector Vortex Combs

Laser &Photonics Reviews, EarlyView.
The generation and continuous control of 128‐dimensional vector vortex combs using a single metasurface is reported. This work creates a class of structured light that uniquely integrates ultrahigh dimensionality with vector properties, and represents a crucial step toward on‐chip, reconfigurable generators for ultrahigh‐dimensional vector structured ...
Jiaqi Wang, Wenxi Wang, Wen Chen
wiley   +1 more source

Synergistic effects of titanium dioxide nanoparticles and microplastics on lentil seeds by a non-invasive biospeckle optical coherence tomography. [PDF]

Front Plant Sci
Tyagi L, Kadono H, Rajagopalan UM.
europepmc   +1 more source

Efficient and Tunable Narrowband Second‐Harmonic Generation by a Large‐Area Etchless Lithium Niobate Metasurface

Laser &Photonics Reviews, EarlyView.
An etchless lithium niobate (LN) metasurface with a slanted periodic TiO2 grating enables efficient and narrowband second‐harmonic generation (SHG) thanks to the light confinement in the LN film granted by quasi‐bound‐state‐in‐the‐continuum (q‐BIC) modes.
Yaping Hou, Yigong Luan, Yu Fan, Alfonso Nardi, Attilio Zilli, Bobo Du, Jinyou Shao, Marco Finazzi, Chunhui Wang, Lei Zhang, Michele Celebrano   +10 more
wiley   +1 more source

Enhanced penetration and antibacterial efficacy of calcium hydroxide modified with titanium dioxide nanoparticles. [PDF]

Sci Rep
Dsouza TS, Rao LN, Monteiro AD, Shetty H.   +3 more
europepmc   +1 more source

Correlating Mid‐Infrared Absorption With Radiative Efficiency in Passive Daytime Radiative Cooling Systems

Macromolecular Rapid Communications, EarlyView.
We establish a correlation between the mid‐IR photonic response of Passive Daytime Radiative Cooling systems and their thermal radiation performances, characterized within a dedicated setup that simulates the irradiance toward outer space under controlled and reproducible conditions.
Emma Spotorno, Paola Stagnaro, Lucia Conzatti, Simona Losio, Roberto Utzeri, Francesco Bisio   +5 more
wiley   +1 more source

Effect of Pressure-Assisted Heat Treatment on the Crystalline Phase of Titanium Dioxide, Niobium Pentoxide, and Ruthenium-Modified Oxides. [PDF]

ACS Omega
Pires PB, Fuziki MEK, Lenzi GG, Sabino SDRF, Novatski A, Tebcherani SM, Dias DT.   +6 more
europepmc   +1 more source

Engineering Photonic Pigments From Titania–Block Copolymer Composites

Macromolecular Rapid Communications, EarlyView.
Ligand‐functionalized TiO2 nanoparticles selectively partition into P2VP‐rich lamellae of onion‐like PS‐b‐P2VP microspheres, increasing refractive index contrast while preserving concentric order through controlled self‐assembly. The resulting dry photonic pigments display defined Bragg reflections and angle‐robust structural color.
Niklas Rocca Schwarz, Jorge Larios, Antoine Scalabre, Matthias Saba, Ullrich Steiner, Andrea Dodero   +5 more
wiley   +1 more source

Eco-friendly synthesis of titanium dioxide nanoparticles from Cocos nucifera for improved photocatalytic and antimicrobial applications. [PDF]

Discov Nano
Tamilselvi Y, Sivasubramanian K, Lingeshwaran L, Velmurugan P, Sureshbabu A, Teja VD, Kumar K, Livingstone JR, Selvaraj AS, Daisy D, Rajkumar S.   +10 more
europepmc   +1 more source

Use of organ-on-chip devices and single particle ICP-MS for assessing dynamic in vitro bioavailability of silver and titanium dioxide nanoparticles from foodstuff. [PDF]

Mikrochim Acta
Beltrán-Osuna O, López-Mayán JJ, Gómez-Cibeira L, Jurado-Martín O, Ogando-Cortés A, Domínguez-González R, Taboada-Antelo P, Bermejo-Barrera P, Moreda-Piñeiro A.   +8 more
europepmc   +1 more source