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Search for "lead" in Full Text gives 1326 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Durable antimicrobial activity of fabrics functionalized with zeolite ion-exchanged nanomaterials against Staphylococcus aureus and Escherichia coli

  • Perla Sánchez-López,
  • Kendra Ramirez Acosta,
  • Sergio Fuentes Moyado,
  • Ruben Dario Cadena-Nava and
  • Elena Smolentseva

Beilstein J. Nanotechnol. 2026, 17, 262–274, doi:10.3762/bjnano.17.18

Graphical Abstract
  • are currently explored for various biomedical applications, including disease prevention, diagnosis, and the improvement of antiviral drug delivery systems [5][6]. In some cases, the antimicrobial properties of NPs lead to creation of new “nano-antimicrobial” materials [7]. The mechanism by which
  • increased inhibition of E. coli and S. aureus using washed Cu/CBV-600-bramante may be attributed to the removal of excess material, which could lead to an increase in surface area and active sites [45]. Most importantly, these results demonstrate that the fabrics retain their antimicrobial activity even
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Published 06 Feb 2026

Multilayered hyperbolic Au/TiO2 nanostructures for enhancing the nonlinear response around the epsilon-near-zero point

  • Fernando Arturo Araiza-Sixtos,
  • Mauricio Gomez-Robles,
  • Rafael Salas-Montiel and
  • Raúl Rangel-Rojo

Beilstein J. Nanotechnol. 2026, 17, 251–261, doi:10.3762/bjnano.17.17

Graphical Abstract
  • has been found that layers of gold with a thickness below 10 nm would lead to an inhomogeneous layer with separated gold “islands” throughout the surface rather than a continuous layer [28]. Because of this, we chose to use a gold layer thickness of 10 nm, the limit to have uniform layers found in
  • glass substrate, then a dip in the visible region, and finally an increase towards the IR region. We can observe a relatively high absorbance around 800 nm with transmittances down to 40%, which could lead to losses and undesired thermal effects. The complex permittivity of single layers of the
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Published 05 Feb 2026

Gold nanoparticle-decorated reduced graphene oxide as a highly effective catalyst for the selective α,β-dehydrogenation of N-alkyl-4-piperidones

  • Brenda Flore Kenyim,
  • Mihir Tzalis,
  • Marilyn Kaul,
  • Robert Oestreich,
  • Aysenur Limon,
  • Chancellin Pecheu Nkepdep and
  • Christoph Janiak

Beilstein J. Nanotechnol. 2026, 17, 218–238, doi:10.3762/bjnano.17.15

Graphical Abstract
  • vicinity to prevent aggregation. Uneven precursor distribution can lead to localized high concentrations of Au species, resulting in less controlled nucleation and the formation of larger clusters. Surface roughness and heterogeneity of the support influence the size and distribution, leading to increased
  • ) surface area can be attributed to the additional ≈10 wt % mass of the Au nanoparticles with the additional mass of their citrate or SiW9 conjugate, which are non-porous, but add to the mass of the composite and thereby lead to an inherently lower specific surface area. However, even when assuming a mass
  • solely dependent on the amount of gold, but rather on the dispersion of gold nanoparticles, which increases the number of accessible active sites and reduces the need for excessive gold loading. In fact, increasing gold content can be detrimental, as it may lead to particle aggregation, thereby reducing
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Published 30 Jan 2026

Time of flight secondary ion mass spectrometry imaging of contaminant species in chemical vapour deposited graphene on copper

  • Barry Brennan,
  • Vlad-Petru Veigang-Radulescu,
  • Philipp Braeuninger-Weimer,
  • Stephan Hofmann and
  • Andrew J. Pollard

Beilstein J. Nanotechnol. 2026, 17, 200–213, doi:10.3762/bjnano.17.13

Graphical Abstract
  • of the material and lead to a step change in terms of high speed [11][12][13], transparent [14] and flexible electronic devices [15], membranes [16][17], and sensors [18][19]. A large amount of work has been dedicated to the optimisation of the growth process to aid in the formation of large area
  • diffusion of material present in the copper foil before growth [36][37], which could lead to variations in the properties of graphene once transferred from the Cu foil to an alternative substrate. We also explore the gas permeation properties of the CVD graphene on Cu [38] by examining the oxygen detected
  • Cs+ ions. Due to the polycrystalline nature of the Cu foils, which can lead to variations in the sputter yield for different crystal orientations, the depth profiles were referenced relative to either the total ion intensity to provide a comparison of the oxygen distribution underneath the graphene
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Published 21 Jan 2026

Structure-dependent thermochromism of PAZO thin films: theory and experiment

  • Georgi Mateev,
  • Dean Dimov,
  • Nataliya Berberova-Buhova,
  • Nikoleta Kircheva,
  • Todor Dudev,
  • Ludmila Nikolova,
  • Elena Stoykova,
  • Keehoon Hong,
  • Dimana Nazarova,
  • Silvia Angelova and
  • Lian Nedelchev

Beilstein J. Nanotechnol. 2026, 17, 186–199, doi:10.3762/bjnano.17.12

Graphical Abstract
  • , optoelectronics, memory devices, and sensors [12]. The birefringence phenomenon results from multiple cycles of trans–cis–trans (E–Z–E) photoisomerization stimulated by the polarized light impact [13][14][15][16]. The E–Z–E transitions lead to an alignment of the photoreactive azo chromophores perpendicularly
  • hypsochromic). Conversely, neighboring chromophores, arranged in a head-to-tail fashion, give a negative value for the Coulomb coupling and lead to the occurrence of aggregation-induced redshift (they are called “J”-aggregates after E.E. Jelley, who discovered the phenomenon in 1936). Packing geometries in the
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Published 20 Jan 2026

From shield to spear: Charge-reversible nanocarriers in overcoming cancer therapy barriers

  • Madhuri Yeduvaka,
  • Pooja Mittal,
  • Ameer Boyalakuntla,
  • Usman Bee Shaik,
  • Himanshu Sharma,
  • Thakur Gurjeet Singh,
  • Siva Nageswara Rao Gajula and
  • Lakshmi Vineela Nalla

Beilstein J. Nanotechnol. 2026, 17, 159–175, doi:10.3762/bjnano.17.10

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  • reproducibility among various formulations [97]. In addition, the synthesis of CRNs often involves elaborate multistep processes to achieve accurate charge-switching properties, which can lead to inconsistencies between production batches and create scalability challenges [98]. The inclusion of diverse functional
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Published 14 Jan 2026

Capabilities of the 3D-MLSI software tool in superconducting neuron design

  • Irina E. Tarasova,
  • Nikita S. Shuravin,
  • Liubov N. Karelina,
  • Fedor A. Razorenov,
  • Evgeny N. Zhardetsky,
  • Aleksandr S. Ionin,
  • Mikhail M. Khapaev and
  • Vitaly V. Bol’ginov

Beilstein J. Nanotechnol. 2026, 17, 122–138, doi:10.3762/bjnano.17.8

Graphical Abstract
  • superconducting strip lines [53][54]. It can be noted that the connection of the “B” source to the SQUID is asymmetric in Figure 13a, which can lead to asymmetry in the voltage–flux curve. This does not affect inductance measurements since the period of the voltage–flux curve corresponds to one quantum of applied
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Published 13 Jan 2026

Functional surface engineering for cultural heritage protection: the role of superhydrophobic and superoleophobic coatings – a comprehensive review

  • Giuseppe Cesare Lama,
  • Marino Lavorgna,
  • Letizia Verdolotti,
  • Federica Recupido,
  • Giovanna Giuliana Buonocore and
  • Bharat Bhushan

Beilstein J. Nanotechnol. 2026, 17, 63–96, doi:10.3762/bjnano.17.6

Graphical Abstract
  • using Paraloid® B72 solutions with 1–4% silica dioxide nanoparticles to enhance durability and reduce moisture sensitivity (mostly to face the biotic and abiotic factors that usually lead to wood damage). The treatment improved dimensional stability, hydrophobicity, and resistance to artificial
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Published 07 Jan 2026

Microscopic study of the intermediate mixed state in intertype superconductors

  • Vyacheslav D. Neverov,
  • Alexander V. Kalashnikov,
  • Andrey V. Krasavin and
  • Alexei Vagov

Beilstein J. Nanotechnol. 2026, 17, 57–62, doi:10.3762/bjnano.17.5

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  • by complex, non-pairwise vortex interactions that lead to irregular vortex patterns. This finding emphasizes the many-body nature of vortex matter in this regime and highlights the limitations of simplified models based on pairwise interaction. In general, this study establishes a microscopic
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Published 07 Jan 2026

Subdigital integumentary microstructure in Cyrtodactylus (Squamata: Gekkota): do those lineages with incipiently expressed toepads exclusively exhibit adhesive setae?

  • Philipp Ginal,
  • Yannick Ecker,
  • Timothy Higham,
  • L. Lee Grismer,
  • Benjamin Wipfler,
  • Dennis Rödder,
  • Anthony Russell and
  • Jendrian Riedel

Beilstein J. Nanotechnol. 2026, 17, 38–56, doi:10.3762/bjnano.17.4

Graphical Abstract
  • scales (Figure 2). Thus, setae likely precede the changes in scale dimensions that lead to the recognition of incipient (and ultimately fully expressed) toepads. The first stages of adhesive competency likely begin when microstructure density and filament modification as prongs or spines enable
  • stronger adhesive interactions). In theory, this would lead to the elaboration of incipient and ultimately fully expressed toepads. Given the gradual nature of the evolutionary assembly of complex structures such as adhesive toepads, terms like incipient toepads necessarily remain incremental. Therefore
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Published 06 Jan 2026

Reduced graphene oxide paper electrode for lithium-ion cells – towards optimized thermal reduction

  • Agata Pawłowska,
  • Magdalena Baran,
  • Stefan Marynowicz,
  • Aleksandra Izabela Banasiak,
  • Adrian Racki,
  • Adrian Chlanda,
  • Tymoteusz Ciuk,
  • Marta Wolczko and
  • Andrzej Budziak

Beilstein J. Nanotechnol. 2026, 17, 24–37, doi:10.3762/bjnano.17.3

Graphical Abstract
  • [31] and flake edge exposition on the rGO paper surface, improving accessibility of the redox sites for electrolyte and lithium ions. Microwave methods, which also lead to changes in morphology (i.e., expansion) of the material, require thermal pre-treatment since GO weakly absorbs incident microwaves
  • that the interlayer spacing remains relatively stable, while higher temperatures, particularly 800 °C, may lead to partial degradation and increased structural disorder. The obtained rGO paper sheets underwent electrochemical properties characterization; galvanostatic charge–discharge tests were
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Published 05 Jan 2026

Competitive helical bands and highly efficient diode effect in F/S/TI/S/F hybrid structures

  • Tairzhan Karabassov,
  • Irina V. Bobkova,
  • Pavel M. Marychev,
  • Vasiliy S. Stolyarov,
  • Vyacheslav M. Silkin and
  • Andrey S. Vasenko

Beilstein J. Nanotechnol. 2026, 17, 15–23, doi:10.3762/bjnano.17.2

Graphical Abstract
  • the same in the whole system. Obviously, this is not the case if L ≫ ξ because, in this case, the Josephson coupling between the S1 and S2 leads is absent, and they do not “feel” each other. In each lead, a distinct phase gradient q1,2 = −2hi/α is established to satisfy the zero spontaneous current
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Published 05 Jan 2026

Quantitative estimation of nanoparticle/substrate adhesion by atomic force microscopy

  • Aydan Çiçek,
  • Markus Kratzer,
  • Christian Teichert and
  • Christian Mitterer

Beilstein J. Nanotechnol. 2026, 17, 1–14, doi:10.3762/bjnano.17.1

Graphical Abstract
  • adhesion energies, the model still highlights a key point: A higher impact energy does not necessarily lead to stronger NP adhesion. Conclusion In this study, we examined the adhesion properties of Cu nanoparticles (NPs) on Si substrates, with a focus on varying landing conditions affected by the applied
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Published 02 Jan 2026

Internal 3D temperature mapping in biological systems using ratiometric light-sheet imaging and lipid-coated upconversion nanothermometers

  • Dannareli Barron-Ortiz,
  • Enric Pérez-Parets,
  • Rubén D. Cadena-Nava,
  • Emilio J. Gualda,
  • Jacob Licea-Rodríguez,
  • Juan Hernández-Cordero,
  • Pablo Loza-Álvarez and
  • Israel Rocha-Mendoza

Beilstein J. Nanotechnol. 2025, 16, 2306–2316, doi:10.3762/bjnano.16.159

Graphical Abstract
  • to electrostatic repulsion with the negatively charged glycocalyx of the intestinal cell membranes, thereby hindering endocytosis [58]. This contrasts with cationic coatings like polyethyleneimine (PEI), which promote endocytosis and lead to UCNP internalization into intestinal cells [59]. This
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Published 22 Dec 2025

Improving magnetic properties of Mn- and Zn-doped core–shell iron oxide nanoparticles by tuning their size

  • Dounia Louaguef,
  • Ghouti Medjahdi,
  • Sébastien Diliberto,
  • Klaus M. Seemann,
  • Thomas Gries,
  • Joelle Bizeau,
  • Damien Mertz,
  • Eric Gaffet and
  • Halima Alem

Beilstein J. Nanotechnol. 2025, 16, 2285–2295, doi:10.3762/bjnano.16.157

Graphical Abstract
  • ± 1.7, and 45.0 ± 1.2 nm exhibited Ms values of 0.012, 0.031, 0.12, and 7 A·m2·kg−1, respectively (Table 3). Similar trends have been reported in the literature, where larger particle sizes lead to higher Ms values due to the reduction of surface spin canting and the improved alignment of magnetic
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Published 15 Dec 2025

Chiral plasmonic nanostructures fabricated with circularly polarized light

  • Tian Qiao and
  • Ming Lee Tang

Beilstein J. Nanotechnol. 2025, 16, 2245–2264, doi:10.3762/bjnano.16.154

Graphical Abstract
  • can lead to a significant displacement of the polymer backbone, with the degree of displacement being dependent on the strength of the electric field under CPL. Chiral topographic changes due to the polymer displacement were observed using atomic force microscopy (AFM). Similar observations were made
  • studied, while the material is an achiral, periodically ordered surface (Figure 7c) [64]. Its strength depends on the angle of light incidence. Ignoring extrinsic chirality may lead to the misinterpretation of CD or ORD spectra. It is also essential to consider morphological inhomogeneity when analyzing
  • distribution when exposed to CPL. Additionally, the local thermal effects that may lead to isotropic photochemical deposition on the achiral PNSs require further investigation and must be taken into account. Furthermore, the interactions between the achiral PNS seeds and the substrates on which they are
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Published 08 Dec 2025

Optical bio/chemical sensors for vitamin B12 analysis in food and pharmaceuticals: state of the art, challenges, and future outlooks

  • Seyed Mohammad Taghi Gharibzahedi and
  • Zeynep Altintas

Beilstein J. Nanotechnol. 2025, 16, 2207–2244, doi:10.3762/bjnano.16.153

Graphical Abstract
  • lead to several health issues such as pernicious anemia (PA), anemia, fatigue, nausea, and weight loss [2][8]. In contrast, excessive intake of VB12 may contribute to conditions like liver disease, neurotoxicity, kidney failure, or myeloproliferative disorders [2][9][10]. Consequently, monitoring the
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Published 05 Dec 2025

Ultrathin water layers on mannosylated gold nanoparticles

  • Maiara A. Iriarte Alonso,
  • Jorge H. Melillo,
  • Silvina Cerveny,
  • Yujin Tong and
  • Alexander M. Bittner

Beilstein J. Nanotechnol. 2025, 16, 2183–2198, doi:10.3762/bjnano.16.151

Graphical Abstract
  • dominant driver of particle motion, and strong particle–substrate interactions may lead to particle attachment before they are transported to the contact line, thereby preventing the formation of a “coffee ring” [34]. Detailed height measurements of adsorbed particles in water vapor AFM under variable RH
  • . Previous studies have shown such clusters for PEG AuNPs in solution [41], and their size is strongly reduced by adding albumin. In our case, the addition of dimannose would lead to the case of the dimanno-AuNPs, for which we do find much decreased agglomeration. Generally, nanoparticles produced inside a
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Published 04 Dec 2025

Missing links in nanomaterials research impacting productivity and perceptions

  • Santosh K. Tiwari and
  • Nannan Wang

Beilstein J. Nanotechnol. 2025, 16, 2168–2176, doi:10.3762/bjnano.16.149

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  • could potentially lead to fatal genetic mutations. Funding realities in nanotechnology research Over the past decade, discussions at major scientific conferences, in scholarly commentaries, and among policymakers have increasingly questioned the tangible returns of decades of investment in nanomaterials
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Published 03 Dec 2025

Microplastic pollution in Himalayan lakes: assessment, risks, and sustainable remediation strategies

  • Sameeksha Rawat,
  • S. M. Tauseef and
  • Madhuben Sharma

Beilstein J. Nanotechnol. 2025, 16, 2144–2167, doi:10.3762/bjnano.16.148

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  • technologies are also required since it is challenging to transport samples to well-equipped laboratories from distant locations. Another challenge is that natural particulate matter such as minerals, biological debris, and glacial silt can lead to the interference of MP detection. MPs must be separated by
  • citizen-led initiatives among others are single-use plastic prohibitions at the local government level and waste management programs. Sikkim took the lead as the first Indian state to prohibit single-use plastics back in 1998, and later Ladakh, Himachal Pradesh, and Bhutan followed suit [126]. The
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Published 25 Nov 2025

Electron transport through nanoscale multilayer graphene and hexagonal boron nitride junctions

  • Aleksandar Staykov and
  • Takaya Fujisaki

Beilstein J. Nanotechnol. 2025, 16, 2132–2143, doi:10.3762/bjnano.16.147

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  • graphene has focused on in-plane conductivity, and only very few studies have reported data on the electron transport properties between the adjacent planes [9][10][11][12][13]. Defects in graphene can alter its electronic states and lead to deviations from its intrinsic properties. We look at two common
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Published 24 Nov 2025

Toward clinical translation of carbon nanomaterials in anticancer drug delivery: the need for standardisation

  • Michał Bartkowski,
  • Francesco Calzaferri and
  • Silvia Giordani

Beilstein J. Nanotechnol. 2025, 16, 2092–2104, doi:10.3762/bjnano.16.144

Graphical Abstract
  • main issues is the wide variety of methods that can be used to synthesise CNMs, which can lead to variations in their properties and performance. For example, carbon nanotubes can be synthesised using arc discharge, laser ablation, and chemical vapour deposition, among others [30]. Each method can
  • division and DNA synthesis. However, they can also affect healthy cells in the body that divide rapidly, such as cells in the hair follicles, bone marrow, digestive system, and reproductive system. This can lead to a range of side effects, some of which can be severe. Take the chemotherapeutic agent
  • makes the drug clearly visible during intravenous administration, but also from its high potency and the wide range of severe side effects it can cause. These side effects include myelosuppression, where reduced blood cell production in the bone marrow can lead to anaemia, bruising, and higher infection
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Published 18 Nov 2025

Molecular and mechanical insights into gecko seta adhesion: multiscale simulations combining molecular dynamics and the finite element method

  • Yash Jain,
  • Saeed Norouzi,
  • Tobias Materzok,
  • Stanislav N. Gorb and
  • Florian Müller-Plathe

Beilstein J. Nanotechnol. 2025, 16, 2055–2076, doi:10.3762/bjnano.16.141

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  • natural hierarchy of real gecko setae, which includes finer branches, varying cross sections, and region-specific material anisotropy. Real setae possess complex cross-sectional shapes and non-uniform branching angles, which could lead to variations in force distributions. Nonetheless, this idealized
  • constant during each FEM run, the mesh deformation may not fully reflect interactions where forces evolve dynamically based on spatula behavior. In particular, during loading simulations such as multiscale seta pull-off, this can lead to excessive FE mesh deformation due to missing dynamic contributions
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Published 14 Nov 2025

Stereodiscrimination of guests in chiral organosilica aerogels studied by ESR spectroscopy

  • Sebastian Polarz,
  • Yasar Krysiak,
  • Martin Wessig and
  • Florian Kuhlmann

Beilstein J. Nanotechnol. 2025, 16, 2034–2054, doi:10.3762/bjnano.16.140

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  • Kotov and coworkers [4]. Chiral optical materials have unique optical activity, displaying phenomena such as circular dichroism and optical rotation. These characteristics are harnessed in applications like sensors, optical devices, and polarized materials. Material chirality can also lead to unusual
  • ). One sees in Figure 13b that already for x > 0.05, the distance between the TEMPO units is around 1.4 nm. One may assume that a larger number of amines/x does not necessarily lead to a higher degree of functionalization in the post-functionalization step. The introduction of phenyl spacers in the oSIL
  • materials is expected to lead to a larger distance between the amine functionalities. The latter assumption is confirmed by the ESR measurements performed on TEMPONHyoSIL. The spectrum for a material containing 10% of the amine groups looks the same as for the lower functionalization degrees and indicates a
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Published 13 Nov 2025

Beyond the shell: exploring polymer–lipid interfaces in core–shell nanofibers to carry hyaluronic acid and β-caryophyllene

  • Aline Tavares da Silva Barreto,
  • Francisco Alexandrino-Júnior,
  • Bráulio Soares Arcanjo,
  • Paulo Henrique de Souza Picciani and
  • Kattya Gyselle de Holanda e Silva

Beilstein J. Nanotechnol. 2025, 16, 2015–2033, doi:10.3762/bjnano.16.139

Graphical Abstract
  • ]. As reported by da Silva et al. (2019), inadequate flow rates during the production of coaxial nanofibers can lead to incomplete core incorporation, resulting in monolithic fibers that are identifiable by their spectral signatures [61]. To evaluate the surface composition of nanofiber membranes, ATR
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Published 12 Nov 2025
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