Results 81 to 90 of about 9,394 (232)
Advanced Materials Interfaces, 2022 Introducing additives during the preparation can effectively modulate characteristics of lanthanide‐doped upconversion nanoparticles (UCNPs) that are pivotal to applications of the nanoparticles, ranging from bioimaging to super‐resolution microscopy ...
Ze Yuan +8 more
doaj +1 more source
Machine‐Learning‐Assisted Onset‐Time Determination in Transient Luminescence Thermometry
Advanced Intelligent Discovery, EarlyView.Artificial neural networks enable autonomous extraction of onset times from transient heating curves in luminescence thermometry. Using Ln3+‐doped upconverting nanoparticles as luminescent thermometers, we combine experimental transients with physically motivated synthetic curves to enhance data diversity and improve generalization.
David J. Sousa +3 more
wiley +1 more source
Flame Synthesis of Complex Fluoride-Based Nanoparticles as Upconversion Phosphors [PDF]
, 2013 Recent improvements in precursor chemistry, reactor geometry and run conditions extend the manufacturing capability of traditional flame aerosol synthesis of oxide nanoparticles to metals, alloys and inorganic complex salts.
Stark, Wendelin J. +2 more
core
One-Step Protein Conjugation to Upconversion Nanoparticles
, 2015 The emerging upconversion nanoparticles offer a fascinating library of ultrasensitive luminescent probes for a range of biotechnology applications from biomarker discovery to single molecule tracking, early disease diagnosis, deep tissue imaging, and ...
Yinghui Chen (1505644) +8 more
core +1 more source
Photon upconversion tuning through energy migration in lanthanides sensitized nanoparticles
Nano Materials ScienceLanthanide-sensitized upconverting nanoparticles (UCNPs) are widely studied because of their unusual optical characteristics, such as large antenna-generated anti-Stokes shifts, high photostability, and narrow emission bandwidths, which can be harnessed ...
Xingwen Cheng +2 more
doaj +1 more source
Real‐time biosensing of Parkinson's disease biomarkers via NIR‐activated upconversion nanoparticles
BMEMat, EarlyView.Schematic illustration of the luminescence resonance energy transfer‐driven core‐shell‐shell UCNPs (cssUCNPs@Fluo4) nanoprobe for simultaneous monitoring of Ca²⁺‐temperature dynamics in Parkinson's disease models. Abstract Parkinson's disease (PD) is a progressive neurodegenerative disorder with incompletely understood pathophysiology, necessitating ...
Jialin Liu +9 more
wiley +1 more source
Phosphors for lighting applications
, 2012 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Trivalent rare earth cations (RE3+) activated nanometre-sized Y2O2S and Gd2O2S phosphors were prepared by converting hydroxycarbonate precursor powders ...
Yan, Xiao
core
Upconversion luminescence of CdTe nanoparticles
, 2005 Efficient upconversion luminescence is observed from CdTe nanoparticles in solution and precipitated as solids. In the solids, the upconversion luminescence spectrum is significantly red shifted relative to the photoluminescence spectrum, whereas in ...
Joly, A G +4 more
core +1 more source
, 2020 Fundamental studies of light-matter interactions are important for basic knowledge and in applications. Thanks to advances in experimental and theoretical methods, nowadays it is possible to perform such studies in a broad dynamic range, covering ...
Marcos, Belançon +5 more
core +1 more source
Ultrafast upconversion superfluorescence with a sub-2.5 ns lifetime at room temperature
Nature CommunicationsPhoton upconversion through lanthanide-doped nanoparticles is of great significance for various applications. However, the current development of upconversion nanoparticles is hindered by the low quantum efficiency and long radiative lifetimes of ...
Mengwei Zhou +8 more
doaj +1 more source