Synthesis of high-quality lanthanide oxybromides nanocrystals with single-source precursor for promising applications in cancer cells imaging

Yan, Dong; Lei, Bo; Chen, Bin; Wu, Xue; Liu, Zhengqing; Li, Na; Juan, Gloria; Xue, Yumeng; Du, Yaping; Zheng, Zhiping; Zhang, Hua

doi:10.1016/j.apmt.2015.06.001

Cited by 20 publications

(4 citation statements)

References 28 publications

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“…Eu 3+ :LaF 3 nanocrystals are representative of nanoluminophores based on a lanthanide substrate doped with Eu 3+ ions. The advantage of Eu 3+ :LaF 3 nanoparticles is their biocompatibility [70,71], which can be crucial when dealing with food products. However, the production of such particles is more difficult.…”

Section: Discussionmentioning

confidence: 99%

Two Types of Europium-Based Photoconversion Covers for Greenhouse Farming with Different Effects on Plants

et al. 2023

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In the present work, we investigated the effect of light conversion using europium (Eu(III))-based photoconversion covers on the cultivation of agricultural plants and their resistance to stress conditions. Two types of europium nanoparticles were used. The first one was obtained from europium oxide (Eu2O3) by laser fragmentation. The second one was Eu3+:LaF3 nanocrystals obtained by hydrothermal-microwave treatment, the content of europium ions in which was 50% of the total amount of cations. Tomatoes (Solanum lycopersicum) and cucumbers (Cucumis sativus) were used as model plants. It was shown that plants grown under cover with Eu2O3 (PCC-Eu2O3) were 30–40% larger, gave a higher yield, and the activation of gas exchange processes and the light phase of photosynthesis in the leaves in response to the lighting was faster. On the contrary, plants grown under cover with Eu3+:LaF3 (PCC-Eu3+:LaF3) tended to slow down the rate of biomass accumulation and decrease the rate of gas exchange activation. It was shown that photoconversion covers change the resistance of plants to stress conditions: if plants grown under PCC-Eu2O3 became more sensitive to heat (+40 °C) and cold (+4 °C) treatment, then plants grown under PCC-Eu3+:LaF3 became more resistant to high and low temperatures. It was found that PCC-Eu2O3 inhibited the development of the phytopathogen Phytophthora infestans on tomato plants. It was assumed that changes in the illumination spectrum by the photoconversion covers cause both the activation of plant growth in the case of Eu2O3 and an increase in plant resistance in the case of Eu3+:LaF3 applications.

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Section: Discussionmentioning

confidence: 99%

Two Types of Europium-Based Photoconversion Covers for Greenhouse Farming with Different Effects on Plants

et al. 2023

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“…Since three decades, LaOBr is utilized as X-ray radiographic receptor in intensifying screens for medical imaging; such technology improves diagnostic performance and reduces X-ray exposure 38 . Besides, of particular interest is the potential use of lanthanide oxyhalides as chemically stable and low-phonon energy hosts for doping of optically lanthanide ions in lighting applications 39 .…”

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confidence: 99%

Mechanochemical conversion of brominated POPs into useful oxybromides: a greener approach

Cagnetta

Liu

Zhang

et al. 2016

Sci Rep

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Brominated organic pollutants are considered of great concern for their adverse effect on human health and the environment, so an increasing number of such compounds are being classified as persistent organic pollutants (POPs). Mechanochemical destruction is a promising technology for POPs safe disposal because it can achieve their complete carbonization by solvent-free high energy ball milling at room temperature. However, a large amount of co-milling reagent usually is necessary, so a considerable volume of residue is produced. In the present study a different approach to POPs mechanochemical destruction is proposed. Employing stoichiometric quantities of Bi2O3 or La2O3 as co-milling reagent, brominated POPs are selectively and completely converted into their corresponding oxybromides (i.e. BiOBr and LaOBr), which possess very peculiar properties and can be used for some actual and many more potential applications. In this way, bromine is beneficially reused in the final product, while POPs carbon skeleton is safely destroyed to amorphous carbon. Moreover, mechanochemical destruction is employed in a greener and more sustainable manner.

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“…58 EuOF is a red dye that can be excited by the near-ultraviolet laser and scanned in the red channel of LSCM. 59 Meanwhile, GdOF is a near-ultraviolet-excited orange dye that can be observed in the corresponding color at the red and green channel in LSCM imaging and in orange color by merging the red and green channels. 31,33,51 Thus, the different emissive lights of GdOF and EuOF supplied us a method to distinguish the Gd-D PMI-NGR p and Eu-Bcl9 p -T CD133 in cells by LSCM imaging with near-ultraviolet excitation.…”

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confidence: 99%

A Hierarchical Peptide–Lanthanide Framework To Accurately Redress Intracellular Carcinogenic Protein–Protein Interaction

Yan

Hou

et al. 2019

Nano Lett.

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Intracellular protein–protein interactions (PPIs) are a vital and yet underexploited class of therapeutic targets for their crucial roles in cellular processes and involvement in disease initiation and progression. Although some successful chemistry and nanotechnologies have been introduced into peptide PPI modulators to allow cell and tissue permeability, significant challenges remain with regard to the efficient and precise modulation of PPIs within specific cells of diseased tissues, such as solid tumors. Herein, an intratumoral transformable hierarchical framework, termed iPLF, was fabricated via a two-step self-assembly between peptides and lanthanide-doped nanocrystals. In this proof-of-concept study, using NanoEL effect, TME response, and tumor marker targeting, iPLF in vivo delivered the p53-MDM2 modulator DPMI into tumor cells and β-catenin-Bcl9 modulator Bcl9p into tumor stem cells. This crafted programmed nanomedicine with triple-stage delivery and responsiveness accurately modulated the specific intracellular protein–protein interactions, resulting in the suppression of tumor growth and metastasis in vivo, while maintaining a highly favorable safety profile. iPLF reached the goal of accurate, potent, and hazard-free intracellular PPI modulation, thereby providing a means to improve current knowledge of PPI networks and a novel therapeutic strategy for a great variety of diseases.

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Synthesis of high-quality lanthanide oxybromides nanocrystals with single-source precursor for promising applications in cancer cells imaging

Cited by 20 publications

References 28 publications

Two Types of Europium-Based Photoconversion Covers for Greenhouse Farming with Different Effects on Plants

Two Types of Europium-Based Photoconversion Covers for Greenhouse Farming with Different Effects on Plants

Mechanochemical conversion of brominated POPs into useful oxybromides: a greener approach

A Hierarchical Peptide–Lanthanide Framework To Accurately Redress Intracellular Carcinogenic Protein–Protein Interaction

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