Lanthanide ion-doped upconversion nanoparticles for low-energy super-resolution applications [PDF]
Energy-intensive technologies and high-precision research require energy-efficient techniques and materials. Lens-based optical microscopy technology is useful for low-energy applications in the life sciences and other fields of technology, but standard ...
Simone Lamon +3 more
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Understanding shell coating effects to overcome quenching in single anisotropic upconversion nanoparticles [PDF]
Shell coating is known to suppress luminescence quenching in spherical upconversion nanoparticles. However, the emergence of anisotropic nanoparticles with facet-selective, directional growth complicates the coating process, and the use of traditional ...
Yangjian Cai +4 more
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Lanthanide-Doped Upconversion Nanoparticles for Super-Resolution Microscopy
Super-resolution microscopy offers a non-invasive and real-time tool for probing the subcellular structures and activities on nanometer precision. Exploring adequate luminescent probes is a great concern for acquiring higher-resolution image.
Hao Dong +3 more
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Upconversion fluorescent tuning based on CdS and SiO2 photonic crystals for computer chip label
Manipulating fluorescence color to achieve patterned function may access to many applications and remains some challenges. In this work, we provide an effective way to manipulate upconversion fluorescence through the photonic crystals.
Zihao Chen +4 more
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Cytotoxicity of various types of coated upconversion nanoparticles. Overview [PDF]
Background and Objectives: The object of the study was the cytotoxicity of various types of coated upconversion nanoparticles. The aim is to overview the literature on the cytotoxicity of various types of upconversion nanoparticles without/with coating ...
Verkhovskii, Roman A. +9 more
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Preparation and applications of polymer-modified lanthanide-doped upconversion nanoparticles
Lanthanide-doped upconversion nanoparticles have emerged as a superior and promising nanomaterial due to their unique luminescent properties, nil-background noise, and low toxicity.
Haoran Zhang +3 more
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Photon upconversion through triplet exciton-mediated energy relay
Photon upconversion in lanthanide-doped nanoparticles enables important technological developments. Here the authors demonstrate a mechanism leading to enhanced upconversion emission in core-shell nanoparticles, and long-distance energy transfer between ...
Sanyang Han +10 more
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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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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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