Gold and Hairpin DNA Functionalization of Upconversion Nanocrystals for Imaging and In Vivo Drug Delivery.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201704811
Abstract: © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim wileyonlinelibrary.com 1770289 (8 of 8) Gold and Hairpin DNA Functionalization of Upconversion Nanocrystals for Imaging and In Vivo Drug Delivery Sanyang Han, Animesh Samanta, Xiaoji Xie,… read more here.
Keywords: gold hairpin; upconversion nanocrystals; nanocrystals imaging; functionalization upconversion ... See more keywords
The combination of rare earth upconversion nanocrystals with rhodamine dyes for the selective detection of amino acids
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2018.08.006
Abstract: Abstract The following paper designed two rhodamine-based chemosensors for cysteine optical recognition. In order to decrease their photobleaching, up-conversion NaYF4 nanocrystals were used as excitation host. There was an efficient energy transfer from these NaYF4… read more here.
Keywords: upconversion nanocrystals; earth upconversion; rhodamine dyes; rare earth ... See more keywords
Fast synthesis of sub-10 nm β-NaYF4:Yb3+, Er3+@NaYF4 core-shell upconversion nanocrystals mediated by oleate ligands
Sign Up to like & getrecommendations! Published in 2018 at "Materials Research Bulletin"
DOI: 10.1016/j.materresbull.2018.03.011
Abstract: Abstract We developed a facile approach for the fast synthesis of ultrasmall and monodisperse β-NaYF 4 :Yb 3+ , Er 3+ nanocrystals down to 5.3 nm with the assistant of oleate ligands, based on which the… read more here.
Keywords: fast synthesis; upconversion nanocrystals; core shell; sub ... See more keywords
Enhanced Cellular Ablation by Attenuating Hypoxia Status and Reprogramming Tumor-Associated Macrophages via NIR Light-Responsive Upconversion Nanocrystals.
Sign Up to like & getrecommendations! Published in 2018 at "Bioconjugate chemistry"
DOI: 10.1021/acs.bioconjchem.8b00068
Abstract: Near-infrared (NIR) light-mediated photodynamic therapy (PDT), especially based on lanthanide-doped upconversion nanocrystals (UCNs), have been extensively investigated as a promising strategy for effective cellular ablation owing to their unique optical properties to convert NIR light… read more here.
Keywords: nir light; upconversion nanocrystals; tumor associated; cellular ablation ... See more keywords
Spatial and Temporal Resolution of Luminescence Quenching in Small Upconversion Nanocrystals.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c23498
Abstract: Luminescent upconversion nanocrystals (UCNCs) have become one of the most promising nanomaterials for biosensing, imaging, and theranostics. However, their ultimate translation into robust luminescent probes for daily use in biological and medical laboratories requires comprehension… read more here.
Keywords: spatial temporal; ucl quenching; upconversion nanocrystals; temporal resolution ... See more keywords
Near-infrared light-mediated rare-earth nanocrystals: recent advances in improving photon conversion and alleviating the thermal effect
Sign Up to like & getrecommendations! Published in 2018 at "NPG Asia Materials"
DOI: 10.1038/s41427-018-0065-y
Abstract: With the rapid development of nanotechnology, the unique rare-earth lanthanide-doped upconversion nanocrystals (UCNs), which can convert tissue-penetrable near-infrared (NIR) photonic irradiation into ultraviolet, visible, and NIR emissions, have a significant potential in bioimaging, diagnosis, and… read more here.
Keywords: upconversion nanocrystals; upconversion; rare earth; effect ... See more keywords
Tuning hexagonal NaYbF4 nanocrystals down to sub-10 nm for enhanced photon upconversion.
Sign Up to like & getrecommendations! Published in 2017 at "Nanoscale"
DOI: 10.1039/c7nr04877g
Abstract: Enhancing upconversion emission is critical for small-sized lanthanide doped upconversion nanocrystals. A promising way is increasing the doping concentration of excitation energy absorbers, the Yb3+ sensitizer. However, it is still a challenge to obtain small-sized… read more here.
Keywords: upconversion nanocrystals; upconversion emission; naybf4 nanocrystals; hexagonal naybf4 ... See more keywords
Transparent and flexible resins functionalized by lanthanide-based upconversion nanocrystals.
Sign Up to like & getrecommendations! Published in 2021 at "Dalton transactions"
DOI: 10.1039/d1dt00786f
Abstract: Functional resins with optical adjustment capability own great potential in multiple application scenarios. To this end, we functionalize resins with upconversion nanocrystals (UCNCs), namely an UCNC-Au composite structure, to endow them with the unique ability… read more here.
Keywords: upconversion nanocrystals; flexible resins; functionalized lanthanide; resins functionalized ... See more keywords
Expanding the toolbox for lanthanide-doped upconversion nanocrystals
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ab29c7
Abstract: The ability to convert low-energy quanta into a quantum of higher energy is critical for a variety of applications, including photovoltaics, volumetric display, bioimaging, multiplexing sensing, super-resolution imaging, optogenetics, and potentially many others. Although the… read more here.
Keywords: physics; upconversion; doped upconversion; upconversion nanocrystals ... See more keywords
Colloidal upconversion nanocrystals enable low-temperature-grown GaAs photoconductive switch operating at λ = 1.55 μm
Sign Up to like & getrecommendations! Published in 2021 at "Nanotechnology"
DOI: 10.1088/1361-6528/ac197c
Abstract: Microwave photoconductive switches, allowing an optical control on the magnitude and phase of the microwave signals to be transmitted, are important components for many optoelectronic applications. In recent years, there are significant demands to develop… read more here.
Keywords: low temperature; upconversion nanocrystals; colloidal upconversion; photoconductive switches ... See more keywords
Core-Shell Structures of Upconversion Nanocrystals Coated with Silica for Near Infrared Light Enabled Optical Imaging of Cancer Cells
Sign Up to like & getrecommendations! Published in 2018 at "Micromachines"
DOI: 10.3390/mi9080400
Abstract: Optical imaging of cancer cells using near infrared (NIR) light is currently an active area of research, as this spectral region directly corresponds to the therapeutic window of biological tissues. Upconversion nanocrystals are photostable alternatives… read more here.
Keywords: upconversion nanocrystals; core shell; optical imaging; cancer cells ... See more keywords