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Search for "core–shell" in Full Text gives 243 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Nanostructured lipid carriers containing benznidazole: physicochemical, biopharmaceutical and cellular in vitro studies

  • Giuliana Muraca,
  • María Esperanza Ruiz,
  • Rocío C. Gambaro,
  • Sebastián Scioli-Montoto,
  • María Laura Sbaraglini,
  • Gisel Padula,
  • José Sebastián Cisneros,
  • Cecilia Yamil Chain,
  • Vera A. Álvarez,
  • Cristián Huck-Iriart,
  • Guillermo R. Castro,
  • María Belén Piñero,
  • Matias Ildebrando Marchetto,
  • Catalina Alba Soto,
  • Germán A. Islan and
  • Alan Talevi

Beilstein J. Nanotechnol. 2023, 14, 804–818, doi:10.3762/bjnano.14.66

Graphical Abstract
  • carriers showed contributions from both the isolated myristyl myristate and additional Bragg peaks at 19.1° and 23.3° corresponding to the copolymer. This indicates that there was phase segregation, most likely a coreshell structure with the lipidic phase inside and the hydrophilic part of the copolymer
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Published 28 Jul 2023

ZnO-decorated SiC@C hybrids with strong electromagnetic absorption

  • Liqun Duan,
  • Zhiqian Yang,
  • Yilu Xia,
  • Xiaoqing Dai,
  • Jian’an Wu and
  • Minqian Sun

Beilstein J. Nanotechnol. 2023, 14, 565–573, doi:10.3762/bjnano.14.47

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  • photocatalysis, adsorption, and EM absorption [25]. Researchers have developed ZnO-based absorbing materials with different microstructures, such as coreshell structures [26], flower-like structures [27], rod-like structures [28], cage-like structures, and nanoparticles [29][30]. Wu et al. demonstrated that it
  • that there are some fluctuations in the high-frequency range (10–16 GHz), which are called Debye relaxation peaks. These peaks are caused by shape anisotropy or surface polarization. For the SCZ samples, the unique coreshell structure and the interface polarization effect between different phases may
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Published 04 May 2023

SERS performance of GaN/Ag substrates fabricated by Ag coating of GaN platforms

  • Magdalena A. Zając,
  • Bogusław Budner,
  • Malwina Liszewska,
  • Bartosz Bartosewicz,
  • Łukasz Gutowski,
  • Jan L. Weyher and
  • Bartłomiej J. Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 552–564, doi:10.3762/bjnano.14.46

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  • reliable SERS substrates, which often must be tailored toward specific applications [15][17][18]. The SERS substrates described in the literature include nanoparticles, coreshell nanoparticles, semicontinuous metal films, and many other nanostructures most commonly made of gold or silver [18][19][20][21
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Published 03 May 2023

Plasmonic nanotechnology for photothermal applications – an evaluation

  • A. R. Indhu,
  • L. Keerthana and
  • Gnanaprakash Dharmalingam

Beilstein J. Nanotechnol. 2023, 14, 380–419, doi:10.3762/bjnano.14.33

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  • comparison to the core leads to a multitude of interesting effects such as altered/enhanced absorption and stability [60]. Hence coreshell nanoparticles can be tuned very effectively to the desired wavelength range by manipulating the thickness and/or composition of the shell in addition to the tunability
  • disparate manipulations possible in the absorbance of the former. 2.2.3 Matryushka: Multilayered nanoparticles have interestingly different optical characteristics than their single or non-layered pristine counterparts. Taking multiple forms such as coreshell, sandwich structures, and films, such
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Published 27 Mar 2023

The steep road to nonviral nanomedicines: Frequent challenges and culprits in designing nanoparticles for gene therapy

  • Yao Yao,
  • Yeongun Ko,
  • Grant Grasman,
  • Jeffery E. Raymond and
  • Joerg Lahann

Beilstein J. Nanotechnol. 2023, 14, 351–361, doi:10.3762/bjnano.14.30

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  • polymeric (e.g., coreshell micelles), oligomeric (e.g., lipid nanoparticles), or biomacromolecular (e.g., protein nanoparticles) components complicates matters only further by generating a higher-than-normal background through non-specific interactions with the assay media. In addition, a significant bias
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Published 17 Mar 2023

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

Graphical Abstract
  • 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

Graphical Abstract
  • 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

Graphical Abstract
  • 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

Graphical Abstract
  • 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

Graphical Abstract
  • [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

Graphical Abstract
  • 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

Graphical Abstract
  • 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

Graphical Abstract
  • 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

Graphical Abstract
  • 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

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  • ], 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
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