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Search for "core–shell" in Full Text gives 238 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

  • Akeem Adeyemi Oladipo and
  • Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

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  • solution with adequate reusability, that is, without noticeable loss of efficiency. Several strategies are currently used to achieve the listed features, including tuning of size, morphology, and particle dimensions. Also, the composition of the photocatalyst is varied yielding coreshell structures
  • a coreshell heterojunction nanocomposite made of BiFeO3 and TiO2 for the degradation of textile dye. The authors reported a 70% degradation of Congo red dye after 70 min of visible-light irradiation, which they attributed to an improvement in quantum efficiency caused by the efficient separating of
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Published 03 Mar 2023

Nanotechnology – a robust tool for fighting the challenges of drug resistance in non-small cell lung cancer

  • Filip Gorachinov,
  • Fatima Mraiche,
  • Diala Alhaj Moustafa,
  • Ola Hishari,
  • Yomna Ismail,
  • Jensa Joseph,
  • Maja Simonoska Crcarevska,
  • Marija Glavas Dodov,
  • Nikola Geskovski and
  • Katerina Goracinova

Beilstein J. Nanotechnol. 2023, 14, 240–261, doi:10.3762/bjnano.14.23

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  • copolymer coreshell NPs, (ii) polymer–polypeptide hybrid coreshell NPs, and (iii) polymer–lipid hybrid coreshell NPs additionally decorated with ligands for overexpressed receptors on cancer cells [92]. Traditionally selected overexpressed cancer cell surface markers for the active targeting of NPs
  • membrane-decorated NPs, platelet membrane-coated coreshell nanovesicles, and cancer cell membrane-coated nanoparticles are also versatile biomimetic nanocarriers showing improved biodistribution and increased tumor-homing potential [127][128][129][130]. Among them, cancer cell membrane biomimetic NPs may
  • such as cyclodextrin, inulin, and chitosan. These polymers are used alone or combined with amphiphilic polymers for coreshell nanoparticles such as the triblock polymer poly(ʟ-lactide)-poly(ethylene glycol)-poly(ʟ-lactide) (PLLA-PEG-PLLA) to increase the stability and decrease the immunogenicity of
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Published 22 Feb 2023

Two-step single-reactor synthesis of oleic acid- or undecylenic acid-stabilized magnetic nanoparticles by thermal decomposition

  • Mykhailo Nahorniak,
  • Pamela Pasetto,
  • Jean-Marc Greneche,
  • Volodymyr Samaryk,
  • Sandy Auguste,
  • Anthony Rousseau,
  • Nataliya Nosova and
  • Serhii Varvarenko

Beilstein J. Nanotechnol. 2023, 14, 11–22, doi:10.3762/bjnano.14.2

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  • composed of maghemite only. According to previous studies, magnetite–maghemite coreshell nanoparticles can be prepared by partial oxidation of magnetite core during and/or after synthesis, and the thickness of its shell can be controlled. Furthermore, the prolonged oxidation may result in the production
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Published 03 Jan 2023

Facile preparation of Au- and BODIPY-grafted lipid nanoparticles for synergized photothermal therapy

  • Yuran Wang,
  • Xudong Li,
  • Haijun Chen and
  • Yu Gao

Beilstein J. Nanotechnol. 2022, 13, 1432–1444, doi:10.3762/bjnano.13.118

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  • the complex pathogenic mechanisms of cancer, synergistic PTT with two or more PTAs that suppress tumor cells via different pathways is an appealing strategy to treat cancer. Yu et al. coated prussian blue (PB) on NaNdF4 nanoparticles to fabricate coreshell nanocomplexes with improved photothermal
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Published 02 Dec 2022

Supramolecular assembly of pentamidine and polymeric cyclodextrin bimetallic core–shell nanoarchitectures

  • Alexandru-Milentie Hada,
  • Nina Burduja,
  • Marco Abbate,
  • Claudio Stagno,
  • Guy Caljon,
  • Louis Maes,
  • Nicola Micale,
  • Massimiliano Cordaro,
  • Angela Scala,
  • Antonino Mazzaglia and
  • Anna Piperno

Beilstein J. Nanotechnol. 2022, 13, 1361–1369, doi:10.3762/bjnano.13.112

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  • monometallic (nanoG) structures or coreshell bimetallic (nanoGS) architectures with an external silver layer. Here, we describe the preparation of a supramolecular assembly between nanoGS and pentamidine, an antileishmanial drug endowed with a wide range of therapeutic properties (i.e., antimicrobial, anti
  • during the reduction/stabilization of metal NPs was investigated for the first time by NMR spectroscopy. Keywords: antimicrobial agents; bimetallic nanoparticles; gold/silver coreshell; Leishmania; pentamidine; polycyclodextrin; Introduction Noble metal nanoparticles (NPs), in particular those
  • distribution of the metallic element determines the structural characteristics of the resulting BMNPs (i.e., alloy, coreshell, or intermediate stages) [6]. The scientific value of noble MNPs and BMNPs has been recently highlighted by the development of novel antimicrobial agents with remarkable activity
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Published 18 Nov 2022

Near-infrared photoactive Ag-Zn-Ga-S-Se quantum dots for high-performance quantum dot-sensitized solar cells

  • Roopakala Kottayi,
  • Ilangovan Veerappan and
  • Ramadasse Sittaramane

Beilstein J. Nanotechnol. 2022, 13, 1337–1344, doi:10.3762/bjnano.13.110

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  • [16]. Recently, Larsen et al. reported that, due to the appropriate bandgap (1.6–1.8 eV), AgGaSe2 is a wide-range light absorber in thin film solar cells [17]. Tianya Bai et al. [18] examined that ZnS-coated AgGaS2 nanocrystals (AgGaS2/ZnS coreshell nanocrystals) have a tunable bandgap and PL colors
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Published 14 Nov 2022

Recent advances in green carbon dots (2015–2022): synthesis, metal ion sensing, and biological applications

  • Aisha Kanwal,
  • Naheed Bibi,
  • Sajjad Hyder,
  • Arif Muhammad,
  • Hao Ren,
  • Jiangtao Liu and
  • Zhongli Lei

Beilstein J. Nanotechnol. 2022, 13, 1068–1107, doi:10.3762/bjnano.13.93

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Published 05 Oct 2022

Sodium doping in brookite TiO2 enhances its photocatalytic activity

  • Boxiang Zhuang,
  • Honglong Shi,
  • Honglei Zhang and
  • Zeqian Zhang

Beilstein J. Nanotechnol. 2022, 13, 599–609, doi:10.3762/bjnano.13.52

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  • structure and produce microstructures such as the coreshell structure, local lattice distortion, interstitial atoms, and atomic vacancies, which are critical to its excellent photocatalytic activity. Keywords: brookite titanium dioxide; coreshell structure; photocatalytic activity; sodium doping; twins
  • atomic pair distribution function based on electron diffraction. High-resolution transmission electron microscopy results revealed the existence of a coreshell structure, lattice distortion, interstitial atoms, and atomic vacancies in NaxTi1−xO2, which is critical for an excellent photocatalytic
  • lattice-plane indices Two octahedron layers spacing ≈3.7433 Å share corners to construct the brookite structure, as depicted in the inset of Figure 5b. The coreshell structure, defects, and twins in the brookite Considering the differences in the ionic radius and the electronegativity between Na and Ti
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Published 05 Jul 2022

Zinc oxide nanostructures for fluorescence and Raman signal enhancement: a review

  • Ioana Marica,
  • Fran Nekvapil,
  • Maria Ștefan,
  • Cosmin Farcău and
  • Alexandra Falamaș

Beilstein J. Nanotechnol. 2022, 13, 472–490, doi:10.3762/bjnano.13.40

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  • metal NPs with ZnO. Au–ZnO coreshell NPs were obtained by preparing first AuNPs by chemical reduction and then fabricating Au–ZnO NPs by a seed growth method [51][54]. A higher enhancement in the Raman signal of p-aminothiophenol molecules was obtained using the Au–ZnO NPs compared to using Au NPs
  • alone, an effect which the authors assigned to the amplification of the chemical effect of the ZnO layer by the LSPR of the Au cores. In another study, Ag nanowires were prepared by a polyol process and coreshell Ag–ZnO heteronanowires were synthesized by a simple solution process adding Zn(NO3)2 and
  • milli-Q water to the freshly prepared Ag nanowire solution [55]. A higher photocatalytic activity was shown for the Ag–ZnO coreshell particles compared to ZnO alone under solar light irradiation. SERS applications of ZnO-based nanostructures SERS is a powerful technique with promising applications for
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Published 27 May 2022

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

  • Senuri Kumarage,
  • Imalka Munaweera and
  • Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

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  • separating nanohybrid membrane with a SiO2 NP-integrated F-PBZ functional layer on the surface of an electrospun coreshell-structured membrane of CA/PI nanofibers. The membrane showed hydrophobicity with a water contact angle of 160° and superlipophilicity with an extremely low oil contact angle of 0°. The
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Published 31 Jan 2022

Sputtering onto liquids: a critical review

  • Anastasiya Sergievskaya,
  • Adrien Chauvin and
  • Stephanos Konstantinidis

Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2

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Published 04 Jan 2022

Identifying diverse metal oxide nanomaterials with lethal effects on embryonic zebrafish using machine learning

  • Richard Liam Marchese Robinson,
  • Haralambos Sarimveis,
  • Philip Doganis,
  • Xiaodong Jia,
  • Marianna Kotzabasaki,
  • Christiana Gousiadou,
  • Stacey Lynn Harper and
  • Terry Wilkins

Beilstein J. Nanotechnol. 2021, 12, 1297–1325, doi:10.3762/bjnano.12.97

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  • evaluated using nested cross-validation on this dataset. Models were initially developed for both lethality endpoints using multiple descriptors representing the composition of the core, shell and surface functional groups, as well as particle characteristics. However, interestingly, the 24 hours post
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Published 29 Nov 2021

Assessment of the optical and electrical properties of light-emitting diodes containing carbon-based nanostructures and plasmonic nanoparticles: a review

  • Keshav Nagpal,
  • Erwan Rauwel,
  • Frédérique Ducroquet and
  • Protima Rauwel

Beilstein J. Nanotechnol. 2021, 12, 1078–1092, doi:10.3762/bjnano.12.80

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  • their coreshell structures with Zn-based compounds possessing higher bandgaps than Cd-based compounds [8][9][10][11][12]. The wide bandgap of Zn-based compounds has provided an opportunity to produce blue-emitting ‘all ZnO’-based LED, following the successful fabrication of p-type ZnO [13]. Organic
  • terms of the Creative Commons Attribution 2.0 International License, https://creativecommons.org/licenses/by/2.0/). Figure 9b was adapted from [57], Z. Shi et al., “Localized Surface Plasmon Enhanced All-Inorganic Perovskite Quantum Dot Light-Emitting Diodes Based on Coaxial Core/Shell Heterojunction
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Published 24 Sep 2021

Comprehensive review on ultrasound-responsive theranostic nanomaterials: mechanisms, structures and medical applications

  • Sepand Tehrani Fateh,
  • Lida Moradi,
  • Elmira Kohan,
  • Michael R. Hamblin and
  • Amin Shiralizadeh Dezfuli

Beilstein J. Nanotechnol. 2021, 12, 808–862, doi:10.3762/bjnano.12.64

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Published 11 Aug 2021

Recent progress in magnetic applications for micro- and nanorobots

  • Ke Xu,
  • Shuang Xu and
  • Fanan Wei

Beilstein J. Nanotechnol. 2021, 12, 744–755, doi:10.3762/bjnano.12.58

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  • magnetoelectric coreshell composite nanowires had a magnetostrictive core and a piezoelectric shell, and it exhibited a strain-mediated magnetoelectric effect. In terms of device design and manufacturing, this biphasic coreshell configuration offered greater flexibility than single-phase magnetoelectric
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Published 19 Jul 2021

A review of defect engineering, ion implantation, and nanofabrication using the helium ion microscope

  • Frances I. Allen

Beilstein J. Nanotechnol. 2021, 12, 633–664, doi:10.3762/bjnano.12.52

Graphical Abstract
  • ], tungsten [83][84][85], an Fe–Zr alloy [86], a Y2O3/Fe bilayer [87], and nanocluster films of magnetite and coreshell iron–magnetite nanoparticles [88]. In these studies, various implantation effects have been investigated, including the tendency for grain boundaries and interfaces to act as sinks for
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Published 02 Jul 2021

Rapid controlled synthesis of gold–platinum nanorods with excellent photothermal properties under 808 nm excitation

  • Jialin Wang,
  • Qianqian Duan,
  • Min Yang,
  • Boye Zhang,
  • Li Guo,
  • Pengcui Li,
  • Wendong Zhang and
  • Shengbo Sang

Beilstein J. Nanotechnol. 2021, 12, 462–472, doi:10.3762/bjnano.12.37

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  • . Most of the reported Au–Pt bimetal nanoparticles are isotropic, such as alloys or coreshell structures [18][19][20]. However, the LSPR peaks of such alloys or coreshell structures are located in the visible light region and inhibit the plasma performance [21]. Significant efforts have been made to
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Published 17 May 2021

A review on nanostructured silver as a basic ingredient in medicine: physicochemical parameters and characterization

  • Gabriel M. Misirli,
  • Kishore Sridharan and
  • Shirley M. P. Abrantes

Beilstein J. Nanotechnol. 2021, 12, 440–461, doi:10.3762/bjnano.12.36

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  • of AgNPs with different morphologies: (D) nanoplates, (E) mixture of spheres and nanorods, (F) spherical bimetallic coreshell Ag@Fe, silver core with iron shell. Part A reprinted with permission from [37], Copyright 2006 American Chemical Society; part B reprinted with permission from [38
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Published 14 May 2021

The impact of molecular tumor profiling on the design strategies for targeting myeloid leukemia and EGFR/CD44-positive solid tumors

  • Nikola Geskovski,
  • Nadica Matevska-Geshkovska,
  • Simona Dimchevska Sazdovska,
  • Marija Glavas Dodov,
  • Kristina Mladenovska and
  • Katerina Goracinova

Beilstein J. Nanotechnol. 2021, 12, 375–401, doi:10.3762/bjnano.12.31

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  • resistant to IM. Cortese and co-workers developed wool-like hollow polymeric nanoparticles loaded with the abovementioned drug combination for the treatment of CML (Figure 3) [62]. The authors developed coreshell nanoparticles from polycaprolactone (PCL). The core of the nanoparticles was loaded with
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Published 29 Apr 2021

Scanning transmission helium ion microscopy on carbon nanomembranes

  • Daniel Emmrich,
  • Annalena Wolff,
  • Nikolaus Meyerbröker,
  • Jörg K. N. Lindner,
  • André Beyer and
  • Armin Gölzhäuser

Beilstein J. Nanotechnol. 2021, 12, 222–231, doi:10.3762/bjnano.12.18

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  • [18], Hall measured the thickness of a silicon nitride membrane down to 5 nm using the bright-field signal [19]. A different detection method is the use of a microchannel plate (MCP). Woehl et al. were able to resolve the coreshell structure of silica-coated gold nanoparticles with an annular
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Published 26 Feb 2021

The role of gold atom concentration in the formation of Cu–Au nanoparticles from the gas phase

  • Yuri Ya. Gafner,
  • Svetlana L. Gafner,
  • Darya A. Ryzkova and
  • Andrey V. Nomoev

Beilstein J. Nanotechnol. 2021, 12, 72–81, doi:10.3762/bjnano.12.6

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  • addition, the displacement of gold atoms to the cluster surface also plays a role [9]. A cluster begins to form with a copper core and a gold shell (coreshell clusters). The surface atoms already have a lower binding energy due to a decrease in their coordination number, and surface gold atoms have an
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Published 19 Jan 2021

ZnO and MXenes as electrode materials for supercapacitor devices

  • Ameen Uddin Ammar,
  • Ipek Deniz Yildirim,
  • Feray Bakan and
  • Emre Erdem

Beilstein J. Nanotechnol. 2021, 12, 49–57, doi:10.3762/bjnano.12.4

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  • comparison of the characteristics of bulk and nanoscale ZnO fits very well to the coreshell model described elsewhere [1][2][3]. In particular, EPR spectroscopy and PL spectroscopy (Figure 1a,b) are important for the investigation of defects here. Both techniques reveal distinct signals that originate from
  • . This is mainly due to the strong spin–orbit coupling. According to the coreshell model, the g ≈ 1.96 signal arises from the core, where the electrons are trapped and become bound [3][5]. However, defects at the surface require less energy to become unbound and, thus, yield an EPR signal around g
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Published 13 Jan 2021

Scanning transmission imaging in the helium ion microscope using a microchannel plate with a delay line detector

  • Eduardo Serralta,
  • Nico Klingner,
  • Olivier De Castro,
  • Michael Mousley,
  • Santhana Eswara,
  • Serge Duarte Pinto,
  • Tom Wirtz and
  • Gregor Hlawacek

Beilstein J. Nanotechnol. 2020, 11, 1854–1864, doi:10.3762/bjnano.11.167

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  • annular microchannel plate detector was used for investigating gold–silica coreshell nanoparticles in ADF mode [30]. These approaches require a physical aperture to restrict the acceptance angle when performed in BF, and a physical change of the distance between the sample and the annular detector to
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Published 11 Dec 2020

Unravelling the interfacial interaction in mesoporous SiO2@nickel phyllosilicate/TiO2 core–shell nanostructures for photocatalytic activity

  • Bridget K. Mutuma,
  • Xiluva Mathebula,
  • Isaac Nongwe,
  • Bonakele P. Mtolo,
  • Boitumelo J. Matsoso,
  • Rudolph Erasmus,
  • Zikhona Tetana and
  • Neil J. Coville

Beilstein J. Nanotechnol. 2020, 11, 1834–1846, doi:10.3762/bjnano.11.165

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  • , South Africa Department of Natural Resources and Materials, Botswana Institute for Technology Research and Innovation, 50654 Machel Drive, Gaborone, Botswana School of Physics, University of Witwatersrand, WITS 2050, Johannesburg, South Africa 10.3762/bjnano.11.165 Abstract Coreshell based
  • @NiPS/TiO2) coreshell nanostructures. The TEM results showed that the mSiO2@NiPS composite has a coreshell nanostructure with a unique flake-like shell morphology. XPS analysis revealed the successful formation of 1:1 nickel phyllosilicate on the SiO2 surface. The addition of TiO2 to the mSiO2@NiPS
  • yielded the mSiO2@NiPS/TiO2 composite. The bandgap energy of mSiO2@NiPS and of mSiO2@NiPS/TiO2 were estimated to be 2.05 and 2.68 eV, respectively, indicating the role of titania in tuning the optoelectronic properties of the SiO2@nickel phyllosilicate. As a proof of concept, the coreshell nanostructures
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Published 09 Dec 2020

Self-standing heterostructured NiCx-NiFe-NC/biochar as a highly efficient cathode for lithium–oxygen batteries

  • Shengyu Jing,
  • Xu Gong,
  • Shan Ji,
  • Linhui Jia,
  • Bruno G. Pollet,
  • Sheng Yan and
  • Huagen Liang

Beilstein J. Nanotechnol. 2020, 11, 1809–1821, doi:10.3762/bjnano.11.163

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  • and the NaOH solution, resulting in a Ni(OH)2/NiFe-PBA coreshell structure [44][45][46]. During the calcination process, Ni(OH)2 was converted into NiCx, and the NiFe-PBA core was converted into a NiFe alloy coated with N-doped carbon. The microstructure of NiFe-PBA/PP-T was evaluated by SEM. Figure
  • activity. In this work, during hydrothermal pretreatment, the ion-exchange reaction of OH−/[Fe(CN)6]3− occurred at the interface between NiFe-PBA cubes and NaOH solution, resulting in Ni(OH)2/NiFe-PBA coreshell structure [44][45][46]. During the calcination process, Ni(OH)2 was converted to NiCx, and the
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Published 02 Dec 2020
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