Rare earth-doped nanoparticles have been widely used in disease diagnosis, drug delivery, tumor therapy, and bioimaging. Among various bioimaging methods, the fluorescence imaging technology based on the rare earth-doped nanoparticles can visually display the cell activity and lesion evolution in living animals, which is a powerful tool in biological …

The development of efficient contrast agents for tumor-targeted imaging remains a critical challenge in the clinic. Herein, we proposed a tumor-derived extracellular vesicle (EV)-mediated targeting approach to improve in vivo tumor imaging using ternary downconversion nanoparticles (DCNPs) with strong near infrared II (NIR-II) …

China's intelligence agency has accused overseas institutions of targeting Chinese rare earths and food industries as part of an ongoing public awareness campaign over the …

Rare-earth-doped EVs emitting strong near ... The targeting mechanism and design strategy will inspire new insights and thoughts on targeting design and will speed up precision medicine and ...

In vivo covalent cross-linking of photon-converted rare-earth nanostructures for tumour localization and theranostics. Nat. Commun. 7:10432 doi: 10.1038/ncomms10432 (2016).

A laboratory study on rare earth element bearing mine tailings, collected from Bangka Island, Indonesia, reported a new spectral absorption feature at 674 nm associated with Erbium. The present study aims to evaluate the capability of the European Space Agency's Sentinel-2 MSI sensors to detect this absorption feature from space.

Rare-earth doped nanoparticles (RENPs) are usually composed of lanthanide- or actinide-doped transition metals and emit both up-conversion luminescence in visible (450–700 nm) window and down-conversion luminescence in the second near-infrared (NIR-II, 1000–1700 nm) window. ... In the results, CC-Nd@PEG shows good …

Rare earth oxides such as CeO 2 and Sm 2 O 3 are thermally ceramic oxides which help in improving the properties by solid-solution strengthening and work hardening hence leading to improved ductility [1], [10]. Additionally, there are very less report where an alloying element has been added to magnesium rare earth oxide nanocomposites to see ...

A laboratory study on rare earth element bearing mine tailings, collected from Bangka Island, Indonesia, reported a new spectral absorption feature at 674 nm associated with Erbium.

China's intelligence agency has accused overseas institutions of targeting Chinese rare earths and food industries as part of an ongoing public awareness campaign over the risks posed by foreign spies.. The latest warnings were issued in a documentary on state television to coincide with "national security education day" on Monday, aimed at …

Cao et al. reported ultrasmall sub-5 nm KGdF 4 rare earth NPs as nanofluorescent probes for in vitro and in vivo tumor targeting imaging by conjugating with the RGD peptide, which exhibited up ...

Importantly, rare-earth based materials coupled with biomolecules such as antibodies, peptides, and drugs can overcome the blood-brain barrier and be used for …

Here, chiral second near-infrared (NIR-II) emitting rare-earth doped silver selenide nanoparticles (R- or S-Ag 2 Se:Nd/Yd/Er NPs) were fabricated, exhibiting circular dichroism peak at 850 nm and fluorescence peak at 1550 nm, with 145.7-fold enhanced intensity compared to the reported Ag 2 Se NPs.

The rare earth (Ce, Er)-doped ZnO nanostructures have shown enhanced optical, structural, and photoluminescence properties after doping as compared with undoped ZnO nanostructures and bulk ZnO crystals. With these enhanced properties, ZnO can be used in multiple and unique applications field of technology.

For nanoparticle targeting imaging, 50 μL of 2.5 × 10 6 U87-luc cells mixed with 50 μL of Matrigel were subcutaneously injected into the right flank. ... Rare-earth-doped nanoparticles were first synthesized according to a well-established thermal decomposition method and were composed of an ytterbium (Yb) ...

@article{Lou2022FabricationOT, title={Fabrication of tumor targeting rare-earth nanocrystals for real-time NIR-IIb fluorescence imaging-guided breast Cancer precise surgery.}, author={Kang-Liang Lou and Peiji Wang and Rui-Qin Yang and Yiyang Gao and Haina Tian and Yongkang Dang and Yang Li and Wen-He Huang and Min-Chen and …

By taking advantage of the homologous targeting property of tumor derived EVs, remarkable improvement in the tumor accumulation (6.5% injection dose (ID)/g) was achieved in the subcutaneous colorectal cancer model when compared to that of individual DCNPs via passive targeting (1.1% ID/g). ... In vivo bioorthogonal labeling of rare-earth …

The recent progress in doping rare-earth (RE) ions in the building blocks of PSCs such as semiconductor electrodes and photoactive perovskite layers, and their use as a separate spectral conversion layer in PSCs is systematically reviewed. The effect of RE-UCNPs/RE-DCNPs incorporation in PSCs in terms of utilizing NIR and UV spectrum, …

Importantly, rare-earth based materials coupled with biomolecules such as antibodies, peptides, and drugs can overcome the blood-brain barrier and be used for targeted treatment.

The NDs were endowed with strong and stable luminescence by covalently binding the rare-earth complex (TTA:RE). • Eu 3+ and Gd 3+ ions were chelated onto NDs simultaneously to achieve optical/MR dual-modal imaging.. The NDs-based nanoplatform shows high drug storage capabilities, pH-responsive release behavior, and enhanced …

While several nanomaterials have been shown capable of generating SWIR emissions, rare-earth-doped nanoparticles (REs) have emerged as an exceptionally bright and biocompatible class of SWIR emitters. ... REs for several applications, including lymphatic mapping, real-time monitoring of probe biodistribution, and molecular targeting of the ...

In 2020, the Department of Defense invested $10 million into the $200 million project, according to a Pentagon press release. MP Materials will focus on refining a …

Rare-earth-doped nanoparticles were first synthesized according to a well-established thermal decomposition method and were composed of an ytterbium (Yb) ... While passive targeting provides a convenient means to screen the tumor accumulation properties of nanoparticles in vivo, this approach lacks the required specificity to …

Rare earth alloys and magnets that China controls are critical components in missiles, firearms, radars and stealth aircraft.

Rare Tagging / Targeting Macro. WoW Classic Era Shaman Macro. This macro allows you to quickly target a rare mob and cast Earth Shock to tag it, ensuring that you get credit for killing it. This can be especially useful when competing …

Key Takeaways. The global 2050 carbon emissions targets may be eclipsed by a rare-earth supply-demand imbalance—unless governments, investors, and companies take swift, aggressive, and …

China's intelligence agency has accused overseas institutions of targeting Chinese rare earths and food industries as part of an ongoing public awareness campaign over the risks posed by foreign ...

Here, we report an NIR-II fluorophore based on DSPE-mPEG encapsulated rare earth doped nanoparticles (RENPs@DSPE-mPEG), which shows inherent affinity to bone without linking any targeting ligands, and thus, it provides an alternative noninvasive and nonradiation strategy for skeletal system mapping and bone disease diagnoses.

Aluminum (Al) is often associated with rare earth resources, and the removal of Al 3+ from rare earth elements (REEs) is a difficult task due to its amphoteric properties. Aluminum ions (Al 3+) enrich in Sm 3+-Gd 3+ solution with the traditional 2-Ethylhexylphosphoric acid mono-2-ethylhexyl ester (P507)-kerosene-HCl system, …

In vivo bioorthogonal labeling of rare-earth doped nanoparticles for improved NIR-II tumor imaging by extracellular vesicle-mediated targeting. Nano …