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Relevant bibliographies by topics / Photon-upconversion nanoparticles

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Academic literature on the topic 'Photon-upconversion nanoparticles'

Author: Grafiati

Published: 28 June 2021

Last updated: 11 February 2022

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Journal articles on the topic "Photon-upconversion nanoparticles"

1

Chen, Xian, Denfeng Peng, Qiang Ju, and Feng Wang. "Photon upconversion in core–shell nanoparticles." Chemical Society Reviews 44, no. 6 (2015): 1318–30. http://dx.doi.org/10.1039/c4cs00151f.

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Lee, Eunsang, Minhyuk Jung, Youngeun Han, Gibok Lee, Kyujin Shin, Hohjai Lee, and Kang Taek Lee. "Stochastic Photon Emission from Nonblinking Upconversion Nanoparticles." Journal of Physical Chemistry C 121, no. 38 (September 19, 2017): 21073–79. http://dx.doi.org/10.1021/acs.jpcc.7b08509.

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Qu, Zuoming, Pengfei Duan, Jin Zhou, Yafei Wang, and Minghua Liu. "Photon upconversion in organic nanoparticles and subsequent amplification by plasmonic silver nanowires." Nanoscale 10, no. 3 (2018): 985–91. http://dx.doi.org/10.1039/c7nr07340b.

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Liu, Wen, Runze Chen, and Sailing He. "Ultra-stable near-infrared Tm3+-doped upconversion nanoparticles for in vivo wide-field two-photon angiography with a low excitation intensity." Journal of Innovative Optical Health Sciences 12, no. 03 (May 2019): 1950013. http://dx.doi.org/10.1142/s1793545819500135.

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Two-photon luminescence with near-infrared (NIR) excitation of upconversion nanoparticles (NPs) is of great importance in biological imaging due to deep penetration in high-scattering tissues, low auto-luminescence and good sectioning ability. Unfortunately, common two-photon luminescence is in visible band with an extremely high exciation power density, which limits its application. Here, we synthesized NaYF4:Yb[Formula: see text]Tm@NaYF4 upconversion NPs with strong two-photon NIR emission and a low excitation power density. Furthermore, NaYF4:Yb[Formula: see text]Tm@NaYF4@SiO2@OTMS@F127 NPs with high chemical stability were obtained by a modified multilayer coating method which was applied to upconversion NPs for the first time. In addition, it is shown that the as-prepared hydrophillic upconversion NPs have great biocompatibility and kept stable for 6 hours during in vivo whole-body imaging. The vessels with two-photon luminescence were clear even under an excitation power density as low as 25[Formula: see text]mW[Formula: see text]cm2. Vivid visualizations of capillaries and vessels in a mouse brain were also obtained with low background and high contrast. Because of cheaper instruments and safer power density, the NIR two-photon luminescence of NaYF4:Yb[Formula: see text]Tm@NaYF4 upconversion NPs could promote wider application of two-photon technology. The modified multilayer coating method could be widely used for upconversion NPs to increase the stable time of the in vivo circulation. Our work possesses a great potential for deep imaging and imaging-guided treatment in the future.

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Shuai Ye, Shuai Ye, Jun Song Jun Song, Dong Wang Dong Wang, Yuliang Tian Yuliang Tian, Junle Qu Junle Qu, and and Hanben Niu and Hanben Niu. "Reduced photon quenching in Ce-doped NaYF4:Yb/Ho upconversion nanoparticles with core/shell structure." Chinese Optics Letters 14, no. 2 (2016): 021601–21605. http://dx.doi.org/10.3788/col201614.021601.

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Chen, Xian, Denfeng Peng, Qiang Ju, and Feng Wang. "ChemInform Abstract: Photon Upconversion in Core-Shell Nanoparticles." ChemInform 46, no. 21 (May 2015): no. http://dx.doi.org/10.1002/chin.201521300.

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Poláchová, Veronika, Matěj Pastucha, Zuzana Mikušová, Matthias J. Mickert, Antonín Hlaváček, Hans H. Gorris, Petr Skládal, and Zdeněk Farka. "Click-conjugated photon-upconversion nanoparticles in an immunoassay for honeybee pathogen Melissococcus plutonius." Nanoscale 11, no. 17 (2019): 8343–51. http://dx.doi.org/10.1039/c9nr01246j.

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A method for the conjugation of photon-upconversion nanoparticles with streptavidin via copper-free click-chemistry was introduced, and the prepared label was applied in an immunoassay for European foulbrood diagnosis.

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Gao, Zhao, Lulu Shi, Xiao Ling, Ze Chen, Qingsong Mei, and Feng Wang. "Near-infrared photon-excited energy transfer in platinum(ii)-based supramolecular polymers assisted by upconverting nanoparticles." Chemical Communications 57, no. 15 (2021): 1927–30. http://dx.doi.org/10.1039/d0cc07445d.

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A hybrid supramolecular system with near-infrared photon-excited energy transfer has been successfully constructed, relying on the assistance of upconversion nanoparticles in platinum(ii)-based supramolecular polymers.

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Dong, Hao, Ling-Dong Sun, Ye-Fu Wang, Jia-Wen Xiao, Datao Tu, Xueyuan Chen, and Chun-Hua Yan. "Photon upconversion in Yb3+–Tb3+ and Yb3+–Eu3+ activated core/shell nanoparticles with dual-band excitation." Journal of Materials Chemistry C 4, no. 19 (2016): 4186–92. http://dx.doi.org/10.1039/c6tc00413j.

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Huang, Ying-Ying, Sulbha K. Sharma, Tianhong Dai, Hoon Chung, Anastasia Yaroslavsky, Maria Garcia-Diaz, Julie Chang, Long Y. Chiang, and Michael R. Hamblin. "Can nanotechnology potentiate photodynamic therapy?" Nanotechnology Reviews 1, no. 2 (March 1, 2012): 111–46. http://dx.doi.org/10.1515/ntrev-2011-0005.

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AbstractPhotodynamic therapy (PDT) uses the combination of nontoxic dyes and harmless visible light to produce reactive oxygen species that can kill cancer cells and infectious microorganisms. Due to the tendency of most photosensitizers (PS) to be poorly soluble and to form nonphotoactive aggregates, drug-delivery vehicles have become of high importance. The nanotechnology revolution has provided many examples of nanoscale drug-delivery platforms that have been applied to PDT. These include liposomes, lipoplexes, nanoemulsions, micelles, polymer nanoparticles (degradable and nondegradable), and silica nanoparticles. In some cases (fullerenes and quantum dots), the actual nanoparticle itself is the PS. Targeting ligands such as antibodies and peptides can be used to increase specificity. Gold and silver nanoparticles can provide plasmonic enhancement of PDT. Two-photon excitation or optical upconversion can be used instead of one-photon excitation to increase tissue penetration at longer wavelengths. Finally, after sections on in vivo studies and nanotoxicology, we attempt to answer the title question, “can nanotechnology potentiate PDT?”

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Dissertations / Theses on the topic "Photon-upconversion nanoparticles"

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Kembuan, Cynthia [Verfasser]. "Synthesis and characterization of gold shell nanoparticles for controlled enhancement of photon upconversion process / Cynthia Kembuan." Berlin : Freie Universität Berlin, 2020. http://d-nb.info/1203625022/34.

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Kembuan, Cynthia Elisabeth [Verfasser]. "Synthesis and characterization of gold shell nanoparticles for controlled enhancement of photon upconversion process / Cynthia Kembuan." Berlin : Freie Universität Berlin, 2020. http://d-nb.info/1203625022/34.

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Střítežská, Sára. "Detekce luminiscenčních nanočástic v rostlinách laserovou spektoroskopií." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-445148.

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This diploma thesis deals with evaluation of toxicity and bioaccumulation of photon-upconversion nanoparticles (UCNPs) in model plant maize (Zea mays). Lanthanide-doped UCNPs with different composition and size were tested in three different concentrations in this work. The exposure took place for 168 hours. Toxicity was assessed based on four macroscopic toxicological endpoints (mortality, the length of belowground part of the plants, the length of aboveground part of the plants and whole plants length). Spatial distribution of elements yttrium, ytterbium, erbium and gadolinium in model plants was determined using laser induced breakdown spectroscopy with spatial resolution of 100 m and 26 m. Distribution of UCNPs in plants was further studied with photon-upconversion microscanning with spatial resolution of 40 m. Stability of UCNPs during and after the plant exposure was also discussed in this thesis.

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Kijatkin, Christian. "Ultrafast Photon Management: The Power of Harmonic Nanocrystals in Nonlinear Spectroscopy and Beyond." Doctoral thesis, 2019. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-201904011323.

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The present work broaches the physics of light-matter interaction, chiefly using nonlinear optical spectroscopy in a newly developed framework termed as Photon Management Concept. This way, existing fragments dealing with specific properties of harmonic and upconversion nanoparticles (HNPs/UCNPs) are consolidated into a full and coherent picture with the primary goal of understanding the underlying physical processes and their impact on the application side, especially in terms of imaging techniques, via suitable experimental and numerical studies. Contemporary optical setups involving contrast-enhancing agents are frequently limited in their excitation and detection configurations owing to a specialization to a select number of markers. As a result, the bandwidth of experimental methods and specimens that may be investigated is severely restricted in a large number of state-of-the-art setups. Here, an alternative approach involving HNPs and UCNPs, respectively, is presented providing an overview from their synthesis to optical characterization and to potential fields of application. Based on their inherent flexibility based on their nonlinear optical response, especially in terms of wavelength and intensity tunability, the PMC alleviates prevalent limitations by dynamically adapting the setup to a sample instead of the preliminary culling to a reduced number of eligible specimens that must not change their optical properties significantly during investigation. The use of HNPs supersedes such concerns due to their nearly instantaneously generated, strongly anti-Stokes shifted, coherent emission capable of producing radiation throughout the visible spectral range, including infrared and ultraviolet wavelengths. This way, HNPs transcend the traditional field of imaging and introduces potential applications in optomanipulation or holographic techniques. Thorough (nonlinear) optical characterization of UCNPs and alkali niobate HNP ensembles is performed to assess the fundamental physical mechanisms interwoven with numerical studies leading to their wide-ranging applicability. Final remarks show that HNPs are ideal candidates for realization of the PMC and yet hold an even further potential beyond current prospects.

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Book chapters on the topic "Photon-upconversion nanoparticles"

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Zhang, Fan. "Upconversion Nanoparticles for Biosensing." In Photon Upconversion Nanomaterials, 255–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45597-5_8.

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Zhang, Fan. "Upconversion Nanoparticles for Thermal Sensing." In Photon Upconversion Nanomaterials, 343–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45597-5_10.

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Zhang, Fan. "Upconversion Nanoparticles for Other Applications." In Photon Upconversion Nanomaterials, 375–408. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45597-5_11.

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Zhang, Fan. "Upconversion Nanoparticles for Biomedical Imaging." In Photon Upconversion Nanomaterials, 187–232. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45597-5_6.

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Zhang, Fan. "Upconversion Nanoparticles for Light-Activated Therapy." In Photon Upconversion Nanomaterials, 285–341. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45597-5_9.

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Zhang, Fan. "Surface Modification and Bioconjugation of Upconversion Nanoparticles." In Photon Upconversion Nanomaterials, 159–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45597-5_5.

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Zhang, Fan. "The Applications of Upconversion Nanoparticles in Bioassay." In Photon Upconversion Nanomaterials, 233–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45597-5_7.

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Zhang, Fan. "“Wet” Chemical Synthesis and Manipulation of Upconversion Nanoparticles." In Photon Upconversion Nanomaterials, 21–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45597-5_2.

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Zhang, Fan. "Upconversion Nanoparticle-Based Nanocomposites." In Photon Upconversion Nanomaterials, 121–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45597-5_4.

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Conference papers on the topic "Photon-upconversion nanoparticles"

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Chen, Chaohao, Fan Wang, Shihui Wen, Yongtao Liu, Xuchen Shan, and Dayong Jin. "Upconversion nanoparticles assisted multi-photon fluorescence saturation microscopy." In Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVI, edited by Dan V. Nicolau, Dror Fixler, and Ewa M. Goldys. SPIE, 2019. http://dx.doi.org/10.1117/12.2513733.

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Ahiboz, Doguscan, Elina Andresen, Phillip Manley, Ute Resch Genger, Christian Wurth, and Christiane Becker. "Enhanced Photon Upconversion Using Erbium-Doped Nanoparticles Interacting with Silicon Metasurfaces." In 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC). IEEE, 2021. http://dx.doi.org/10.1109/pvsc43889.2021.9518495.

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FARKA, Zdeněk, Matthias Jürgen MICKERT, Antonín HLAVÁČEK, Veronika POLÁCHOVÁ, Uliana KOSTIV, Matěj PASTUCHA, Daniel HORÁK, Hans-Heiner GORRIS, and Petr SKLÁDAL. "PHOTON-UPCONVERSION NANOPARTICLES FOR SINGLE-MOLECULE IMMUNOSENSING OF CANCER BIOMARKERS AND BACTERIA." In NANOCON 2019. TANGER Ltd., 2020. http://dx.doi.org/10.37904/nanocon.2019.8445.

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