Toxicity of Upconversion Nanoparticles. Overview [PDF]
Background and Objectives: The object of the study was the toxicity of upconversion nanoparticles. The aim is to overview the literature on the toxicity of various types of upconversion nanoparticles and to search for their maximum permissible ...
Yanina, Irina Iur'evna +1 more
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Understanding shell coating effects to overcome quenching in single anisotropic upconversion nanoparticles. [PDF]
Cai Y, Lu M, Qin X, Jin D, Zhou J.
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Microscale Self-Assembly of Upconversion Nanoparticles Driven by Block Copolymer
Lanthanide-based upconversion nanoparticles can convert low-energy excitation to high-energy emission. The self-assembled upconversion nanoparticles with unique structures have considerable promise in sensors and optical devices due to intriguing ...
Qianqian Su +6 more
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A Facile Approach for the Ligand Free Synthesis of Biocompatible Upconversion Nanophosphors
Upconversion nanophosphors, particles that can absorb low energy radiation and emit high energy light through multi-photon absorption processes, have gained augmented attention in recent years.
Elizabeth Shiby +2 more
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Sub-20 nm Core-Shell-Shell Nanoparticles for Bright Upconversion and Enhanced Förster Resonant Energy Transfer. [PDF]
Upconverting nanoparticles provide valuable benefits as optical probes for bioimaging and Förster resonant energy transfer (FRET) due to their high signal-to-noise ratio, photostability, and biocompatibility; yet, making nanoparticles small yields a ...
Alivisatos, A Paul +9 more
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Multi-Color Luminescence Transition of Upconversion Nanocrystals via Crystal Phase Control with SiO2 for High Temperature Thermal Labels [PDF]
Upconversion nanocrystals (UCNs)-embedded microarchitectures with luminescence color transition capability and enhanced luminescence intensity under extreme conditions are suitable for developing a robust labeling system in a high-temperature thermal ...
Baek, Dahye +8 more
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Upconversion nanoparticles for bioimaging
Fluorescent labeling is a widely used indispensable tool in biology. Conventional downconversion fluorescence labels with ultraviolet or short-wavelength excitation suffer from autofluorescence, low signal-to-noise ratio, and incident photo damage to ...
Song Chenxi +5 more
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Ascorbic acid mediated fluorescence emission of MnO2 modified upconversion nanoparticles for anti-counterfeiting. [PDF]
Zhang Y, Liu X, Wang Y, Song M, Qin Z.
europepmc +3 more sources
Rare earth based nanostructured materials: Synthesis, functionalization, properties and bioimaging and biosensing applications [PDF]
Rare earth based nanostructures constitute a type of functional materials widely used and studied in the recent literature. The purpose of this review is to provide a general and comprehensive overview of the current state of the art, with special focus ...
Becerro Nieto, Ana Isabel +7 more
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Upconversion Nanomaterials: Synthesis, Mechanism, and Applications in Sensing
Upconversion is an optical process that involves the conversion of lower-energy photons into higher-energy photons. It has been extensively studied since mid-1960s and widely applied in optical devices. Over the past decade, high-quality rare earth-doped
Julia Xiaojun Zhao, Jiao Chen
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