Results 101 to 110 of about 22,469 (293)
, 2015 (82-x)NbO2.5-17.4LaO(1.5)-xZrO(2)(NLZ) (x=7.5, 10, 12.5, 15, 17.5, and 20) bulk glasses codoped with Er3+/Yb3+ were successfully fabricated by aerodynamic levitation method for the first time.
Longhao Qi +9 more
core +1 more source
Preparation of photon-upconversion nanoparticles
, 2021 The present work aimed to characterize photon-upconversion nanoparticles based on lanthanides. The synthesis of NaGdF4:Yb/Tm@NaGdF4:Eu core-shell nanoparticles using a europium activator was designed based on the available literature.
Kelarová, Štěpánka
core +1 more source
Biophotonics characterization of upconversion nanoparticles [PDF]
, 2022 University of Technology Sydney. Faculty of Science.Upconversion materials have attracted enormous attention for a broad range of applications in biological imaging, energy-related light harvesting, and sensing, due to their unique physicochemical ...
Ding, Lei
core
Anisotropic functionalization of upconversion nanoparticles
Chemical Science, 2018 Ligand competition directs heterogeneous bio-chemistry surface and self-assembly for upconversion nanoparticles.
Wei Ren +9 more
openaire +4 more sources
BMEMat, EarlyView.A near‐infrared (NIR) light‐activated “lock‐key” nanodevice is reported for spatiotemporally resolved detection of intratumoral L‐lactate. The system stays silent until deep‐penetrating NIR light remotely unlocks its function, allowing for precise sensing within tumors.
Siyu Pan +8 more
wiley +1 more source
Upconversion-Powered Photoelectrochemical Bioanalysis for DNA Sensing
SensorsIn this work, we report a new concept of upconversion-powered photoelectrochemical (PEC) bioanalysis. The proof-of-concept involves a PEC bionanosystem comprising a NaYF4:Yb,Tm@NaYF4 upconversion nanoparticles (UCNPs) reporter, which is confined by DNA ...
Hong Liu +5 more
doaj +1 more source
Theory for upconversion of incoherent images [PDF]
, 2012 Upconversion of images is a generic method for shifting the spectral content of entire images. A comprehensive theory for upconversion of incoherent light images is presented and compared against experiments.
Tidemand-Lichtenberg, Peter +2 more
core +1 more source
Integrating chemo‐mechanical cues in nano‐microscale environments for stem cell regulation
BMEMat, EarlyView.Nano/microscale control strategies, including nano/microscale materials, ligand spacings, and cell encapsulating gels, cell mechanics, integrin signaling, and biochemical cues to direct stem cell fate, tissue regeneration, and organoid engineering, enabling advanced biomedical applications through mechanoregulation at cell‐material interfaces ...
Rajendra K. Singh +5 more
wiley +1 more source
Ultraviolet upconversion in Pr
, 2006 Ultraviolet upconversion fluorescence band (260–350 nm) has been observed from Pr3+:Y2SiO5 pumped by Ar+ ion laser (488 nm). Power dependence of the fluorescence emitted from 4f5d, 3P0 and 1D2 were measured.
C. H. Hu +4 more
core +1 more source
BMEMat, EarlyView.Engineered bacteria serve as smart, living therapeutics that target tumors, deliver drugs, and remodel immunosuppressive microenvironments. This review highlights their potential to potentiate immunotherapy, radiotherapy, and chemotherapy, offering a promising paradigm for precise and synergistic cancer treatment. Abstract The dynamic interplay between
Haonan Shen +9 more
wiley +1 more source