High-efficiency and water-quenching-resistant Tb3+-based nanoparticles for single-particle imaging
Nanophotonics, 2021 The structure of the host lattice has a substantial influence on the optical properties of lanthanide-doped luminescent materials. Hexagonal-phase (β-phase) NaREF4 (RE = rare earth) is the most commonly used crystal structure for lanthanide-doped ...
Cai Zhiwang +9 more
doaj +1 more source
Er3+-Ions-Doped Multiscale Nanoprobes for Fluorescence Imaging in Cellular and Living Mice
Nanomaterials, 2021 With the development of biotechnology, luminescent nanoprobes for biological disease detection are widely used. However, the further application in clinic is limited by the reduced penetration depth in the tissues and light scattering.
Cong Cao, Yu Xie, Shi-Wen Li, Chang Hong
doaj +1 more source
Upconversion nanoparticles for sensing pH [PDF]
The Analyst, 2019 pH sensing IR-excited dye-linked upconversion nanoparticles,viainner field effect quenching at 540 nm referenced to emission at 650 nm.
Evaline S. Tsai +4 more
openaire +2 more sources
Microscale Self-Assembly of Upconversion Nanoparticles Driven by Block Copolymer
Frontiers in Chemistry, 2020 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
doaj +1 more source
Linkage Pathways of DNA–Nanoparticle Conjugates and Biological Applications
Chemosensors, 2023 DNA–nanoparticle conjugates have extraordinary optical and catalytic properties that have attracted great interest in biosensing and biomedical applications.
Shan Huang, Jun-Jie Zhu
doaj +1 more source
NIR-excitable heterostructured upconversion perovskite nanodots with improved stability
Nature Communications, 2021 Combining two or more different materials with different crystal structures into single nanoparticle with combined advantages is challenging. Here, the authors demonstrate one-pot synthesis of perovskite-upconversion hybrid nanocrystals consisting of ...
Longfei Ruan, Yong Zhang
doaj +1 more source
Upconversion Nanoparticle-Based Förster Resonance Energy Transfer for Detecting DNA Methylation [PDF]
Sensors, 2016 Seockjune Kim +2 more
exaly +2 more sources
Upconversion nanoparticles as intracellular pH messengers [PDF]
Analytical and Bioanalytical Chemistry, 2020 AbstractUpconversion nanoparticles (UCNPs) should be particularly well suited for measurement inside cells because they can be imaged down to submicrometer dimensions in near real time using fluorescence microscopy, and they overcome problems, such as photobleaching, autofluorescence, and deep tissue penetration, that are commonly encountered in ...
Tsai, Evaline S. +4 more
openaire +4 more sources
Optimizing Upconversion Nanoparticles for FRET Biosensing
ACS Nano, 2023 Upconversion nanoparticles (UCNPs) are some of the most promising nanomaterials for bioanalytical and biomedical applications. One important challenge to be still solved is how UCNPs can be optimally implemented into Förster resonance energy transfer (FRET) biosensing and bioimaging for highly sensitive, wash-free, multiplexed, accurate, and precise ...
Federico Pini +4 more
openaire +3 more sources
Low threshold lasing emissions from a single upconversion nanocrystal
Nature Communications, 2020 Cross-relaxation between neighbouring emitters usually limits the brightness of luminescence due to self-quenching. Here, the authors present single upconversion nanoparticle lasing where the cross relaxation modulates the brightness and ultra-low ...
Yunfei Shang +7 more
doaj +1 more source