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Готові списки джерел за темами / Nanoparticles, Upconversion, Nanothermometry, Lanthanides / Статті в журналах

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Статті в журналах з теми "Nanoparticles, Upconversion, Nanothermometry, Lanthanides"

Автор: Grafiati

Опубліковано: 11 березня 2023

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1

Vetrone, Fiorenzo. "(Invited) Multi-Architectured Lanthanide Doped Nanoparticles for Theranostics." ECS Meeting Abstracts MA2022-01, no. 53 (2022): 2210. http://dx.doi.org/10.1149/ma2022-01532210mtgabs.

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Анотація:

Light triggered theranostic (therapy and diagnostic) nanoplatforms have gained a considerable attention in recent years. In theranostics, light as an external trigger stands out due to its non-invasiveness, high local precision and temporal resolution. Many such nanoplatforms employ high-energy (visible or UV) light to initiate the individual therapeutic and diagnostic modalities. However, light at these wavelengths suffers from inherent drawbacks such as having little to no penetration in living tissue, inducing autofluorescence from inherent fluorophores or chromophores in tissues and causin

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2

Zheng, Shuhong, Weibo Chen, Dezhi Tan, et al. "Lanthanide-doped NaGdF4 core–shell nanoparticles for non-contact self-referencing temperature sensors." Nanoscale 6, no. 11 (2014): 5675–79. http://dx.doi.org/10.1039/c4nr00432a.

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3

Li, Hao, Esmaeil Heydari, Yinyan Li, et al. "Multi-Mode Lanthanide-Doped Ratiometric Luminescent Nanothermometer for Near-Infrared Imaging within Biological Windows." Nanomaterials 13, no. 1 (2023): 219. http://dx.doi.org/10.3390/nano13010219.

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Owing to its high reliability and accuracy, the ratiometric luminescent thermometer can provide non-contact and fast temperature measurements. In particular, the nanomaterials doped with lanthanide ions can achieve multi-mode luminescence and temperature measurement by modifying the type of doped ions and excitation light source. The better penetration of the near-infrared (NIR) photons can assist bio-imaging and replace thermal vision cameras for photothermal imaging. In this work, we prepared core–shell cubic phase nanomaterials doped with lanthanide ions, with Ba2LuF7 doped with Er3+/Yb3+/N

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4

Liu, Huiming, Long Yan, Jinshu Huang, Zhengce An, Wang Sheng, and Bo Zhou. "Ultrasensitive Thermochromic Upconversion in Core–Shell–Shell Nanoparticles for Nanothermometry and Anticounterfeiting." Journal of Physical Chemistry Letters 13, no. 10 (2022): 2306–12. http://dx.doi.org/10.1021/acs.jpclett.2c00005.

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5

Lin, Mei, Liujing Xie, Zijun Wang, Bryce S. Richards, Guojun Gao, and Jiuping Zhong. "Facile synthesis of mono-disperse sub-20 nm NaY(WO4)2:Er3+,Yb3+ upconversion nanoparticles: a new choice for nanothermometry." Journal of Materials Chemistry C 7, no. 10 (2019): 2971–77. http://dx.doi.org/10.1039/c8tc05669b.

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6

Halubek-Gluchowska, Katarzyna, Damian Szymański, Thi Ngoc Lam Tran, Maurizio Ferrari, and Anna Lukowiak. "Upconversion Luminescence of Silica–Calcia Nanoparticles Co-doped with Tm3+ and Yb3+ Ions." Materials 14, no. 4 (2021): 937. http://dx.doi.org/10.3390/ma14040937.

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Анотація:

Looking for upconverting biocompatible nanoparticles, we have prepared by the sol–gel method, silica–calcia glass nanopowders doped with different concentration of Tm3+ and Yb3+ ions (Tm3+ from 0.15 mol% up to 0.5 mol% and Yb3+ from 1 mol% up to 4 mol%) and characterized their structure, morphology, and optical properties. X-ray diffraction patterns indicated an amorphous phase of the silica-based glass with partial crystallization of samples with a higher content of lanthanides ions. Transmission electron microscopy images showed that the average size of particles decreased with increasing la

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7

Xu, Hanyu, Mochen Jia, Zhiying Wang, Yanling Wei, and Zuoling Fu. "Enhancing the Upconversion Luminescence and Sensitivity of Nanothermometry through Advanced Design of Dumbbell-Shaped Structured Nanoparticles." ACS Applied Materials & Interfaces 13, no. 51 (2021): 61506–17. http://dx.doi.org/10.1021/acsami.1c17900.

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8

Ferrera-González, Juan, Laura Francés-Soriano, Cristina Galiana-Roselló, et al. "Initial Biological Assessment of Upconversion Nanohybrids." Biomedicines 9, no. 10 (2021): 1419. http://dx.doi.org/10.3390/biomedicines9101419.

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Анотація:

Nanoparticles for medical use should be non-cytotoxic and free of bacterial contamination. Upconversion nanoparticles (UCNPs) coated with cucurbit[7]uril (CB[7]) made by combining UCNPs free of oleic acid, here termed bare UCNPs (UCn), and CB[7], i.e., UC@CB[7] nanohybrids, could be used as photoactive inorganic-organic hybrid scaffolds for biological applications. UCNPs, in general, are not considered to be highly toxic materials, but the release of fluorides and lanthanides upon their dissolution may cause cytotoxicity. To identify potential adverse effects of the nanoparticles, dehydrogenas

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9

Yang, Han Yu. "Lanthanide-Based Nanoprobes for Time-Resolved Luminescence Imaging on Various Ions and Molecules." Materials Science Forum 1075 (November 30, 2022): 9–17. http://dx.doi.org/10.4028/p-76fds1.

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Lanthanide-doped upconversion nanoparticles (Ln-UCNPs) have been extensively explored in the biological field. In particular, Ln-UCNPs with near-infrared (NIR) fluorescence have tremendous potential for biological imaging because of their outstanding photo-and chemo-stability, extended photoluminescence lifetimes, low long-term toxicities and narrow photoluminescence bandwidths as well as minimal background interferences. Using predesigned energy transfer routes makes it possible to get upconversion luminescence from lanthanides' 4f-4f optical transitions. This article clarifies the key workin

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10

Rostami, Iman. "Empowering the Emission of Upconversion Nanoparticles for Precise Subcellular Imaging." Nanomaterials 11, no. 6 (2021): 1541. http://dx.doi.org/10.3390/nano11061541.

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Анотація:

Upconversion nanoparticles (UCNPs) are a class of inorganic fluorophores that follow the anti-Stokes mechanism, to which the wavelength of emission is shorter than absorption. This unique optical behavior generates relatively long-lived intermediate energy levels of lanthanides that stabilize the excitation state in the fluorescence process. Longer-wavelength light sources, e.g., near-infrared (NIR), penetrate deeper into biological materials such as tissue and cells that provide a larger working space for cell biology applications and imaging, whereby UCNPs have recently gained increasing int

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11

Hemmer, Eva. "(Invited) Rare-Earth-Based Nanoparticles As Multimodal Bioprobes." ECS Meeting Abstracts MA2022-01, no. 53 (2022): 2212. http://dx.doi.org/10.1149/ma2022-01532212mtgabs.

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The remarkable optomagnetic properties of the rare-earths (RE) make RE-based materials ideal for biomedical applications, including diagnostic (e.g., imaging, nanothermometry) and therapeutic (e.g., drug delivery, photodynamic therapy) approaches. This is due the unique electronic properties of the f-elements allowing for upconversion and near-infrared emission under near-infrared excitation as well as high magnetic moments. Yet, challenges remain; low emission intensity and efficiency of small nanoparticles (NPs), and reliable, fast synthesis routes. As material chemists, we tackle these chal

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12

Sun, Lining. "(Digital Presentation) Tailored Rare Earth-Doped Nanomaterials Toward Information Storage and Deep Learning Decoding." ECS Meeting Abstracts MA2022-02, no. 51 (2022): 1981. http://dx.doi.org/10.1149/ma2022-02511981mtgabs.

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Lanthanide-doped nanoparticles have been considered as one of the most promising luminescent materials due to their excellent properties such as high photochemical stability, long-lived (μs-ms) luminescence, narrow emission band, and low toxicity.Moreover, benefiting from a unique electronic structure (4fn5s25p6 , n = 0-14), lanthanides have discrete energy levels and exhibit practical wavelength conversion via downshifting and upconversion processes. Hence, their emissions cover the spectral regions from ultraviolet (UV) to near-infrared (NIR).[1,2] Here, my talk is mainly devoted to our rece

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13

Savchuk, Oleksandr, Joan Josep Carvajal Marti, Concepción Cascales, et al. "Bifunctional Tm3+,Yb3+:GdVO4@SiO2 Core-Shell Nanoparticles in HeLa Cells: Upconversion Luminescence Nanothermometry in the First Biological Window and Biolabelling in the Visible." Nanomaterials 10, no. 5 (2020): 993. http://dx.doi.org/10.3390/nano10050993.

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The bifunctional possibilities of Tm,Yb:GdVO4@SiO2 core-shell nanoparticles for temperature sensing by using the near-infrared (NIR)-excited upconversion emissions in the first biological window, and biolabeling through the visible emissions they generate, were investigated. The two emission lines located at 700 and 800 nm, that arise from the thermally coupled 3F2,3 and 3H4 energy levels of Tm3+, were used to develop a luminescent thermometer, operating through the Fluorescence Intensity Ratio (FIR) technique, with a very high thermal relative sensitivity. Moreover, since the inert shell surr

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14

Vetrone, Fiorenzo. "(Invited) Rare Earth Doped Nanoparticles." ECS Meeting Abstracts MA2022-02, no. 36 (2022): 1319. http://dx.doi.org/10.1149/ma2022-02361319mtgabs.

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Luminescent nanomaterials that can be excited, as well as emit, in the near-infrared (NIR) have been investigated for use in a plethora of applications including nanomedicine, nanoelectronics, biosensing, bioimaging, photovoltaics, photocatalysis, etc. The use of NIR light for excitation mitigates some of the drawbacks associated with high-energy (UV or blue) excitation, for example, little to no background autofluorescence from the specimen under investigation as well as no incurred photodamage. Moreover, one of the biggest limitations is of course, that of penetration. As such, NIR light can

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15

Kamimura, Masao, Yuto Yano, Shuhei Kuraoka, et al. "Near-Infrared to Visible Upconversion Emission Induced Photopolymerization: Polystyrene Shell Coated NaYF₄ Nanoparticles for Fluorescence Bioimaging and Nanothermometry." Journal of Photopolymer Science and Technology 30, no. 3 (2017): 265–70. http://dx.doi.org/10.2494/photopolymer.30.265.

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16

Senthilselvan, J., Sinju Thomas, L. Anbharasi, et al. "EDTA functionalization of SrF2:Yb,Er nanoparticles by hydrothermal synthesis: Intense red upconversion, NIR-to-NIR emission and luminescence nanothermometry characteristics." Journal of Materials Science: Materials in Electronics 30, no. 23 (2019): 20376–92. http://dx.doi.org/10.1007/s10854-019-02311-y.

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17

Dos Santos, L. F., J. C. Martins, K. O. Lima, et al. "In vitro assays and nanothermometry studies of infrared-to-visible upconversion of nanocrystalline Er3+,Yb3+ co-doped Y2O3 nanoparticles for theranostic applications." Physica B: Condensed Matter 624 (January 2022): 413447. http://dx.doi.org/10.1016/j.physb.2021.413447.

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18

Nahorniak, Mykhailo, Ognen Pop-Georgievski, Nadiia Velychkivska, et al. "Rose Bengal-Modified Upconverting Nanoparticles: Synthesis, Characterization, and Biological Evaluation." Life 12, no. 9 (2022): 1383. http://dx.doi.org/10.3390/life12091383.

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Анотація:

High-quality upconverting NaYF4:Yb3+,Er3+ nanoparticles (UCNPs; 26 nm in diameter) based on lanthanides were synthesized by a high-temperature coprecipitation method. The particles were modified by bisphosphonate-terminated poly(ethylene glycol) (PEG) and Rose Bengal (RB) photosensitizer. The particles were thoroughly characterized using transmission electron microscopy, dynamic light scattering, thermogravimetric analysis, FTIR, and X-ray photoelectron and upconversion luminescence spectroscopy in terms of morphology, hydrodynamic size, composition, and energy transfer to the photosensitizer.

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19

de Oliveira Lima, Karmel, Luiz Fernando dos Santos, Rodrigo Galvão, Antonio Claudio Tedesco, Leonardo de Souza Menezes, and Rogéria Rocha Gonçalves. "Single Er3+, Yb3+: KGd3F10 Nanoparticles for Nanothermometry." Frontiers in Chemistry 9 (July 21, 2021). http://dx.doi.org/10.3389/fchem.2021.712659.

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Анотація:

Among several optical non-contact thermometry methods, luminescence thermometry is the most versatile approach. Lanthanide-based luminescence nanothermometers may exploit not only downshifting, but also upconversion (UC) mechanisms. UC-based nanothermometers are interesting for biological applications: they efficiently convert near-infrared radiation to visible light, allowing local temperatures to be determined through spectroscopic investigation. Here, we have synthesized highly crystalline Er3+, Yb3+ co-doped upconverting KGd3F10 nanoparticles (NPs) by the EDTA-assisted hydrothermal method.

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20

Di, Xiangjun, Dejiang Wang, Qian Peter Su, et al. "Spatiotemporally mapping temperature dynamics of lysosomes and mitochondria using cascade organelle-targeting upconversion nanoparticles." Proceedings of the National Academy of Sciences 119, no. 45 (2022). http://dx.doi.org/10.1073/pnas.2207402119.

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The intracellular metabolism of organelles, like lysosomes and mitochondria, is highly coordinated spatiotemporally and functionally. The activities of lysosomal enzymes significantly rely on the cytoplasmic temperature, and heat is constantly released by mitochondria as the byproduct of adenosine triphosphate (ATP) generation during active metabolism. Here, we developed temperature-sensitive LysoDots and MitoDots to monitor the in situ thermal dynamics of lysosomes and mitochondria. The design is based on upconversion nanoparticles (UCNPs) with high-density surface modifications to achieve th

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21

Qiu, Xiaochen, Qianwen Zhou, Xingjun Zhu, Zugen Wu, Wei Feng, and Fuyou Li. "Ratiometric upconversion nanothermometry with dual emission at the same wavelength decoded via a time-resolved technique." Nature Communications 11, no. 1 (2020). http://dx.doi.org/10.1038/s41467-019-13796-w.

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AbstractThe in vivo temperature monitoring of a microenvironment is significant in biology and nanomedicine research. Luminescent nanothermometry provides a noninvasive method of detecting the temperature in vivo with high sensitivity and high response speed. However, absorption and scattering in complex tissues limit the signal penetration depth and cause errors due to variation at different locations in vivo. In order to minimize these errors and monitor temperature in vivo, in the present work, we provided a strategy to fabricate a same-wavelength dual emission ratiometric upconversion lumi

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