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Search for "X-ray" in Full Text gives 1076 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Glycerol photoelectrochemical oxidation reaction at carbon nitrides/BiVO4 materials

  • Charles Garcia da Cunha,
  • Isabelle M. D. Gonzaga,
  • Cristian Hessel,
  • Izadora F. Reis,
  • Ivo F. Teixeira,
  • Lucia H. Mascaro and
  • Elton Sitta

Beilstein J. Nanotechnol. 2026, 17, 806–817, doi:10.3762/bjnano.17.57

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  • acetylacetonate at 500 °C for 2 h. The CN/BiVO4 heterojunctions presented bandgap energy values, Eg, similar to pure BiVO4. X-ray diffraction analysis also revealed that the BiVO4 phase was not altered by the presence of the CN. However, scanning electron microscopy analysis coupled to energy-dispersive X-ray
  • substrates, the different types of CN were structurally and morphologically characterized. Thermogravimetric (TGA) analysis (Netzsch, 209 F3) was performed from 25 to 800 °C at a heating rate of 10 °C·min−1 under a synthetic air atmosphere. X-ray diffraction (XRD) patterns (XRD, Rigaku Ultima IV 6000) were
  • acquired from 10° to 80° at a rate of 2°·min−1 with a step size of 0.02°. Morphological features and elemental composition were determined by field-emission scanning electron microscopy (FEG-SEM; Zeiss Supra35) coupled with energy-dispersive X-ray spectroscopy (EDS), operating at 15 kV. Optical properties
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Published 17 Jun 2026

Tuning the electronic properties of defect-rich MoS2

  • Eric Juriatti,
  • Martina Binninger,
  • Carolin Schüle,
  • Maren Zirwick,
  • Katarina Margetic,
  • Erika Giangrisostomi,
  • Marcus Scheele and
  • Heiko Peisert

Beilstein J. Nanotechnol. 2026, 17, 796–805, doi:10.3762/bjnano.17.56

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  • . Keywords: angle-resolved photoelectron spectroscopy (ARPES); MoS2; phthalocyanine; X-ray absorption spectroscopy (XAS); X-ray photoelectron spectroscopy (XPS); Introduction In the pursuit for novel semiconducting materials, the group of transition metal dichalcogenides (TMDCs), including molybdenum
  • fabrication of ultrafast photodetectors [4][5]. To tune their electronic structure for such applications, the adsorption of organic molecules is a versatile strategy [6][7], resulting, for example, in dipole-induced doping or (complex) charge transfer [8]. Photoelectron spectroscopy (PES), X-ray absorption
  • , 370, 300, 230, and 75 eV, the energy resolutions were 592, 230, 156, 114, 118, and 66 meV, respectively. A sputtered gold crystal was used for energy calibration. After every change of energy, X-ray photoelectron spectra (XPS) of Au 4f, calibrated to 84.00 eV, or the Au Fermi edge, calibrated to 0.00
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Published 16 Jun 2026

Tailoring Ag–Pt nanoalloys through solid-state dewetting: structural and optical insights

  • Marcin Łapiński,
  • Piotr Okoczuk,
  • Blaž Grobiša,
  • Ewa Pawlikowska,
  • Amelia Rozwadowska,
  • Wojciech Sadowski and
  • Barbara Kościelska

Beilstein J. Nanotechnol. 2026, 17, 748–759, doi:10.3762/bjnano.17.52

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  • homogeneous elemental distribution, as measured by energy dispersive spectroscopy. Additionally, X-ray photoelectron spectroscopy measurements confirmed the coexistence of both metals in metallic states, with a slight Ag deficiency attributed to its higher instability and desorption during the annealing
  • selection of a series with a total bilayer thickness of 8 nm, fabricated at 650 °C, for further investigations. A detailed chemical composition analysis of pure Ag and Pt nanostructures, as well as those synthesized with various Ag–Pt ratios, was performed using X-ray photoelectron spectroscopy (XPS) and is
  • kV was used to observe the formation of nanostructures and to analyse the surface morphology of the samples. Moreover, an energy dispersive X-ray spectrometer was employed for elemental analysis of the isolated islands, providing a fast and preliminary insight into the nanostructure formation. The
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Published 10 Jun 2026

Oxidative atmosphere-driven formation of single-phase spinel CuRh2O4 nanofibers for alkaline water oxidation

  • Namhee Kim,
  • Sumin Ko,
  • Sohyeon Choi,
  • Seoyoon Jang,
  • Myung Hwa Kim and
  • Dasol Jin

Beilstein J. Nanotechnol. 2026, 17, 737–743, doi:10.3762/bjnano.17.50

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  • subsequent annealing process under continuous O2/He flow, as illustrated in Figure 1 (see Experimental section for details). As shown in Figure 2, X-ray diffraction (XRD) analysis was employed to investigate the phase evolution of Cu–Rh oxide nanofibers annealed under different oxidative environments (i.e
  • oxygen-atmosphere engineering during annealing is critical for suppressing undesired phase segregation and achieving phase-pure CuRh2O4 nanofibers. Angle-resolved X-ray photoelectron spectroscopy (AR-XPS) was performed to clarify the surface chemical states of Cu and Rh in Cu–Rh bimetallic oxides
  • analyzed by X-ray diffraction (MP-XRD; Malvern Panalytical X-ray diffractometer using Cu Kα radiation), Raman spectroscopy (HORIBA, LabRAM HR Evo 800), and angle-resolved X-ray photoelectron spectroscopy (AR-XPS; Thermo Fisher Scientific K-ALPHA XPS, Al Kα radiation at 12 kV). Electrochemical measurements
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Published 27 May 2026

Environmental applications of silver nanoparticles: state-of-the-art review and emerging trends

  • Soni Prajapati,
  • Akash Kumar and
  • Ranjana Singh

Beilstein J. Nanotechnol. 2026, 17, 697–736, doi:10.3762/bjnano.17.49

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  • needed before engineering AgNPs for particular applications. AgNPs are characterised using optical spectroscopy, electron microscopy, X-ray diffraction, and dynamic light scattering (DLS) to measure plasmonic absorbance, size, shape, structure, and stability [49]. Optical spectroscopy is a rapid and
  • X-ray analysis [49]. TEM analysis is performed on copper grids with varying mesh sizes and coatings, with carbon/formvar-coated copper grids commonly preferred. Scanning electron microscopy (SEM) provides information on the silver nanoparticles’ surface properties and the aggregation state of dried
  • nanoparticles using carbon or silicon wafers as the primary substrate [49]. The X-ray diffraction pattern reveal that AgNP crystal growth occurs at different facets depending on the NPs [49]. The most common facets include 111, 200, 220, and 311, corresponding to 2θ angles of 38.2°, 44.4°, 64.6°, and 77.5
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Published 26 May 2026

Decontamination from water pollutants and pathogens by electrospun nanofibers doped with heavy-atom-free borafluorene-BODIPY photosensitizers

  • Angelika Zaszczyńska,
  • Paulina H. Marek-Urban,
  • Karolina Wrochna,
  • Agnieszka E. Kuklewska,
  • Kacper Kręgielewski,
  • Marta Grodzik,
  • Dawid R. Natkowski,
  • Jolanta Mierzejewska,
  • Ewa Iwanek,
  • Agata Blacha-Grzechnik,
  • Paweł Sajkiewicz and
  • Krzysztof Durka

Beilstein J. Nanotechnol. 2026, 17, 668–682, doi:10.3762/bjnano.17.46

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  • , and p indicates the porosity. Photocatalyst distribution in the mats The presence of BODIPY in the PCL, PMMA, and PS matrices was verified using energy-dispersive X-ray spectroscopy (EDS) as well as time-of-flight secondary ion mass spectrometry (ToF SIMS) measurements performed on a Helios 5 Dual
  • measurements, the samples were sputtered with 10 nm of gold using a CCU-010 Compact Coating Unit (Safematic). The ToF SIMS maps were acquired in the positive ion mode spectrum using 8 kV accelerating voltage and 10 nA beam current. X-ray photoelectron spectroscopy X-ray photoelectron spectroscopy (XPS
  • ) analysis was done with an AXIS Supra+ (Kratos Analytical) instrument equipped with a monochromatic Al Kα X-ray source (hν = 1486.6 eV, operating at 10 mA, 15 kV). The system base pressure was pb = 3.9·10−9 Torr. The pass energy was set to 160 eV (scanning step 0.9 eV) for survey spectra acquisition and 20
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Published 20 May 2026

Laser–material interactions in liquids for the synthesis of nanomaterials: current status and perspectives

  • Carlos Doñate Buendia,
  • Bilal Gökce and
  • Leonid V. Zhigilei

Beilstein J. Nanotechnol. 2026, 17, 571–575, doi:10.3762/bjnano.17.38

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  • requires input from computational modeling [33][36]. At longer timescales, shadowgraphy offers valuable information on bubble evolution [37], although processes occurring within the bubble remain largely inaccessible and necessitate the use of X-ray probing to elucidate nanoparticle growth mechanisms [38
  • nanoparticle generation in picosecond laser ablation in liquids [40], the elucidation of processes responsible for the formation of periodic surface structures on Cr targets irradiated by femtosecond pulses in water [41], and the integration of X-ray probing with simulations to study the transition from
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Published 04 May 2026

Synthesis of Cu–Mo/TiO2 and Co–Mo/TiO2 photocatalysts for the efficient degradation of organic pollutants in water

  • Ilse Acosta,
  • Brenda Zermeño,
  • Edgar Moctezuma,
  • Luis F. Garay-Rodríguez and
  • Isaías Juárez-Ramírez

Beilstein J. Nanotechnol. 2026, 17, 559–570, doi:10.3762/bjnano.17.37

Graphical Abstract
  • microscope JEOL 6490LV equipped with an energy dispersive X-ray (EDX) spectroscopy analyzer for chemical microanalysis using 20 kV of voltage. The samples were placed on a carbon slab and covered with gold to improve the conductivity. The surface area was measured by N2 physisorption through the BET method
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Published 27 Apr 2026

Electrochemical determination of ciprofloxacin using a MIL-101/reduced graphene oxide-modified electrode

  • Nguyen Quang Man,
  • Nguyen Ngoc Nghia,
  • Nguyen Vinh Phu,
  • Vo Thi Khanh Ly,
  • Le Lam Son,
  • Pham Khac Lieu,
  • Le Thi Hong Phong,
  • Nguyen Dinh Luyen and
  • Dinh Quang Khieu

Beilstein J. Nanotechnol. 2026, 17, 541–554, doi:10.3762/bjnano.17.35

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  • -101 to GO. For comparison, reduced graphene oxide (rGO) was also prepared using the same reduction process without MIL-101. Equipment The X-ray diffraction analyses were conducted using a D8 Advance Bruker (Germany). Morphology and elemental mapping were measured with a Hitachi S-4800 FESEM (Japan
  • ) equipped with an energy-dispersive X-ray (EDX) system. Raman spectroscopy was performed on an Xplora Plus instrument (Horiba, Japan) with a stimulating light wavelength of 785 nm. Electrochemical impedance spectra (EIS) were recorded using an Autolab PGSTAT302N system. Electrochemical experiments were
  • by X-ray photoelectron spectroscopy (XPS). The survey spectrum (Figure 3a) confirms the presence of Cr, C, and O, which is consistent with the expected composition of MIL-101(Cr) integrated with reduced graphene oxide (rGO). No obvious extraneous elemental signals were observed in the survey spectrum
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Published 21 Apr 2026

Probing internal continua and atomic ultrafast charge transfer within size-controlled nanoparticles by post-collision interaction in core-hole clock spectroscopy

  • Johannes Lütgert,
  • Erika Giangrisostomi,
  • Nomi L. A. N. Sorgenfrei and
  • Alexander Föhlisch

Beilstein J. Nanotechnol. 2026, 17, 505–514, doi:10.3762/bjnano.17.33

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  • characterization of the QDs with UV–vis absorption spectroscopy, hard X-ray photoelectron spectroscopy (HAXPES), and near-edge X-ray absorption fine structure (NEXAFS) spectroscopy has been performed by us to verify the size-dependence of quantum confinement (see further details in Supporting Information File 1
  • double layers ZnS): (a) Left: X-ray absorption spectrum in partial fluorescence yield (PFY, S Kα, blue solid line) and constant final-state partial electron yield (CFS-PEY, black markers). Right: Resonant Auger map containing the relevant S KL2,3L2,3 Auger multiplet. (b) Auger resonant Raman spectra at
  • a function of photon energy and particle size. Top panel: The X-ray absorption cross section (PFY, orange line) is shown in comparison to an integration of the resonant Auger spectra (CFS-PEY, light green line). Also, the deconvolution of the signal into the intensities of Auger (green) and Raman
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Published 07 Apr 2026

Upcycling agroindustrial waste into graphene oxide supports for gold nanoparticles: toward sustainable nanomaterials

  • Juan Marcos Castro-Tapia,
  • Selene Acosta,
  • Hiram Joazet Ojeda-Galván,
  • Elsie Evelyn Araujo-Palomo,
  • Edgar Giovanni Villabona-Leal and
  • Mildred Quintana

Beilstein J. Nanotechnol. 2026, 17, 489–504, doi:10.3762/bjnano.17.32

Graphical Abstract
  • room temperature in the 4000–540 cm−1 range with a spectral resolution of 4 cm−1, averaging 80 scans per sample. The surface chemical composition was assessed by X-ray photoelectron spectroscopy (XPS) using a SPECS spectrometer equipped with a PHOIBOS 100 energy analyzer and an Al Kα X-ray source (hν
  • , and measurements were carried out under a nitrogen atmosphere with a flow rate of 50 mL·min−1. 3 mg of each sample were used for the analysis. X-ray diffraction (XRD) measurements were carried out using a SmartLab RIGAKU diffractometer operating with a Cu anode X-ray source (Cu Kα radiation, λ
  • presence of vacancy-type defects and highly disordered carbon domains. X-ray diffraction patterns of the samples are shown in Figure 7. GO exhibits an intense peak at 2θ ≈ 11.7°, assigned to the (001) reflection of GO and associated with an expanded interlayer spacing (d ≈ 0.76 nm) due to the presence of
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Published 01 Apr 2026

Defects and defect-mediated engineering of two-dimensional materials: challenges and open questions

  • Arkady V. Krasheninnikov,
  • Matthias Batzill,
  • Anouar-Akacha Delenda,
  • Marija Drndić,
  • Chris Ewels,
  • Katharina J. Franke,
  • Mahdi Ghorbani-Asl,
  • Alexander Holleitner,
  • Ado Jorio,
  • Ute Kaiser,
  • Daria Kieczka,
  • Hannu-Pekka Komsa,
  • Jani Kotakoski,
  • Manuel Längle,
  • David Lamprecht,
  • Yun Liu,
  • Steven G. Louie,
  • Janina Maultzsch,
  • Thomas Michely,
  • Katherine Milton,
  • Anna Niggas,
  • Hanako Okuno,
  • Joshua A. Robinson,
  • Marika Schleberger,
  • Bruno Schuler,
  • Alexander Shluger,
  • Kazu Suenaga,
  • Kristian S. Thygesen,
  • Richard A. Wilhelm,
  • E. Harriet Åhlgren and
  • Carla Bittencourt

Beilstein J. Nanotechnol. 2026, 17, 454–488, doi:10.3762/bjnano.17.31

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  • control over defect positioning, uniformity (only one and the same defect present), and scalability, which ultimately will lead to useful technological applications. What are the limitations of X-ray photoelectron spectroscopy in identifying and quantifying defect concentrations in 2D materials, and how
  • can these limitations be addressed? X-ray photoelectron spectroscopy (XPS) is a powerful tool for identifying and quantifying defects in 2D materials, offering unique advantages in surface sensitivity, chemical state analysis, and real-time monitoring of defect evolution. While challenges such as
  • energy shifts and peak shapes [179][180][181][182][183][184][185][186][187]. Complementing XPS, scanning X-ray photoelectron microscopy (SPEM) provides spatially resolved chemical information at the nanoscale, and near-ambient pressure XPS enables real-time monitoring of the chemical reactivity of
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Published 31 Mar 2026

Eco-efficient materials for agricultural crops based on a mineral rich in MOR- and HEU-type zeolites

  • Esperanza Yamile de la Nuez-Pantoja,
  • Inocente Rodríguez-Iznaga,
  • Gerardo Rodríguez-Fuentes,
  • Vitalii Petranovskii,
  • Ariel Martínez García,
  • José Juan Calvino Gámez and
  • Daniel Goma Jiménez

Beilstein J. Nanotechnol. 2026, 17, 381–395, doi:10.3762/bjnano.17.26

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  • ) and other elements (Si) important for agricultural crops. Particular attention was paid to the analysis of the interaction of nitrogen and phosphorus species on this complex multiphase zeolitic carrier, applying Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron
  • available space or surface area on this natural zeolite. X-ray diffraction analysis Figure 4 shows X-ray diffraction (XRD) patterns of the materials under study, which evidenced that this natural zeolite (CLIM) is mainly formed by a mixture of HEU (JCPDS Card 25-1349) and MOR (JCPDS Card 11-0155) with
  • movement. The treatments were applied following a procedure similar to that described in [13][14]. Characterization The elemental composition of CLIM and modified materials resulting from the applied treatments was determined by X-ray fluorescence analysis (XRF), with the exception of nitrogen, which was
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Published 26 Feb 2026

Interconnection morphology effects on the radio frequency response of carbon nanotube sponges

  • Manuela Scarselli,
  • Javad Rezvani,
  • Zeno Zuccari,
  • Mattia Scagliotti and
  • Simone Tocci

Beilstein J. Nanotechnol. 2026, 17, 343–351, doi:10.3762/bjnano.17.23

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  • treatment. We also investigated the chemical state of the carbon atoms by acquiring X-ray photoelectron spectroscopy (XPS) spectra from the as-grown and ethanol-treated CNS samples. The survey spectra are reported in Supporting Information File 1 (Figure S2). Figure 5 shows that the C1 s spectra are
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Published 17 Feb 2026

Beam shaping techniques for pulsed laser ablation in liquids: Unlocking tunable control of nanoparticle synthesis in liquids

  • Sergio Molina-Prados,
  • Nadezhda M. Bulgakova,
  • Alexander V. Bulgakov,
  • Jesus Lancis,
  • Gladys Mínguez Vega and
  • Carlos Doñate-Buendia

Beilstein J. Nanotechnol. 2026, 17, 309–342, doi:10.3762/bjnano.17.22

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  • industrially available picosecond laser sources, still requiring high power sources (100 W) but removing the requirement for high repetition rate and faster scanning speeds [55]. PLAL-produced nanomaterials have broad applications across different nanotechnology fields, including X-ray radiotherapy [62], boron
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Published 16 Feb 2026

Fast vortex dynamics and relaxation times in NbRe-based heterostructures

  • Francesco De Chiara,
  • Zahra Makhdoumi Kakhaki,
  • Francesco Avitabile,
  • Francesco Colangelo,
  • Abhishek Kumar,
  • Carmine Attanasio and
  • Carla Cirillo

Beilstein J. Nanotechnol. 2026, 17, 292–302, doi:10.3762/bjnano.17.20

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  • strongly depend on the microscopic properties of the superconductor and on the degree of electronic disorder [1]. In this context, NbRe has emerged as a promising material that exhibits exceptionally fast vortex dynamics [19]. Extensive structural characterizations performed by X-ray diffraction have shown
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Published 12 Feb 2026

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

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  • plasma optical emission spectroscopy (ICP-OES). The results confirmed silver, copper, and zinc contents of around 1.0–1.5 atom % [4]. Energy-dispersive X-ray spectroscopy (EDS) analysis performed on the functionalized fabrics in the present work confirmed the presence of silver (1.3 wt %), as well as
  • functionalized textiles. X-ray diffraction XRD patterns of bramante fabrics, composed of 50% cotton and 50% polyester fibers, are shown in Figure 3. The bramante fabrics exhibited a typical cotton cellulose pattern, with three characteristic peaks at 2θ ≈ 14.7°, 16.3°, and 22.4°, corresponding to the
  • , transmission electron microscopy (TEM) images were obtained using a JEOL JEM-2200FS (200 kV), and elemental analysis was performed using EDS. The crystalline structure of the modified fabrics was determined by X-ray diffraction (XRD) in a Panalytical AERIS diffractometer using Cu Kα (λ = 1.54184 Å). The
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Published 06 Feb 2026

Comparative study on 3D morphologies of delignified, single tracheids and fibers of five wood species

  • Helen Gorges,
  • Felicitas von Usslar,
  • Cordt Zollfrank,
  • Silja Flenner,
  • Imke Greving,
  • Martin Müller,
  • Clemens F. Schaber,
  • Chuchu Li and
  • Stanislav N. Gorb

Beilstein J. Nanotechnol. 2026, 17, 239–250, doi:10.3762/bjnano.17.16

Graphical Abstract
  • . Scanning electron microscopy was used to compare the morphology between untreated and delignified fibers and tracheids. X-ray tomography enabled us to reconstruct high-resolution 3D models of delignified single tracheids or fibers, providing information on the pit arrangements. Moreover, delignification
  • biomechanics and water management. Keywords: 3D models; delignification; tracheid; wood; X-ray nanotomography; Introduction Wood fibers in hardwood and tracheids in softwood play a crucial role in the structure and function of vascular plants, particularly in water conduction and mechanical support [1][2
  • largely absent from scientific literature. Although previous studies have examined wood anatomy using various imaging techniques, such as X-ray micro-computed tomography in addition to scanning and transmission electron microscopy [22][23][24][25][26][27], high-resolution 3D reconstructions of single
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Published 04 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

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  • synthesis of Au-Cit, which takes place under hot conditions, the synthesis of Au-SiW9 is performed in the cold at 2 °C to prevent the isomerization of the POM. First, the sodium salt of SiW9 (Na10SiW9O34) was synthesized following a well-established protocol [34] and characterized by powder X-ray
  • ) reflection of rGO [39]. The crystallite size of the gold nanoparticles (AuNPs) is determined by X-ray diffraction (XRD) analysis using the Scherrer equation (Equation 1) below. The shape factor k, often referred to as the Scherrer constant, is influenced by several factors, including the crystallites’ shape
  • , degree of size uniformity, and the nature of the diffraction peak. For nanoparticles with a spherical shape and cubic symmetry, a commonly adopted value for K is 0.94 [40]. D represents the average crystallite size, λ is the X-ray wavelength (0.1542 nm), β corresponds to the full width at half maximum
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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
  • single crystals [3][20][21][22][23], utilising Raman spectroscopy to confirm the physical structure of the graphene [24][25][26] and X-ray photoelectron spectroscopy (XPS) to confirm the sp2 bonding configuration [27][28]. However, there is typically little consideration given to possible chemical
  • a pass energy of 40 eV for high resolution, narrow scan window spectra (100 meV step size, 500 ms dwell time), and 160 eV for wide scans (1000 meV step size, 200 ms dwell time), using a monochromated Al Kα X-ray source, with a photon energy of 1486.7 eV. Spectral peak fitting was carried out using
  • of copper or copper oxide. However, as recent studies have shown through energy-dispersive X-ray spectroscopy mapping [30], there are significant other contaminants detectable on high-purity Cu foils that can influence graphene nucleation and can remain after growth [31]. A more detailed examination
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Published 21 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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  • cancer therapy and other clinical applications. 2.6 X-ray-responsive nanocarriers These systems offer innovative mechanisms for targeted drug delivery systems and enhanced therapeutic efficiency. These nanoparticles are designed to release therapeutic agents upon exposure to X-rays, which can generate
  • nitrogen species, thereby improving treatment outcomes [60]. Additionally, an X-ray-activated nanoscale platform can produce significant quantities of ROS-enhancing PDT effects in cancer treatment by conjugating photosensitizers to these nanoparticles; the efficiency of ROS generation increases under X-ray
  • -nitroimidazole and a PEG-modified lipid shell, enabling multifunctional X-ray-responsive therapy. Upon low-dose of X-ray irradiation, Hf4+ deposits radiation energy to induce DNA damage while 2-nitroimidazole releases NO to block DNA repair, relieve hypoxia, and produce reactive nitrogen species (RNS) that
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Published 14 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

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  • 100). XPS X-ray photoelectron spectroscopy was applied to determine the surface concentrations of chemical bonds. The equipment applied was a PHI VersaProbeII Scanning XPS system with monochromatic Al Kα (1486.6 eV) X-rays (100 μm spot focused). High-energy-resolution spectra were obtained with 46.95
  • in the spectra. The data analysis was conducted using PHI MultiPak software (v.9.9.3); the background was removed using the Shirley method. Due to the geometry of the spectrometer, the information depth of this analysis can be estimated at about 5 nm. XRD X-ray diffraction was performed with
  • PANalytical Empyrean diffractometer with a Cu Kα (1.540598 Å) X-ray source. Applied parameters were 45 kV and 40 A. Graphene paper samples were cut to fit the holders. The applied step angle was 0.026261°. Electrical properties characterization The electrical properties (sheet resistance and conductivity) of
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Published 05 Jan 2026

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

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  • collected by centrifugation (10,000 rpm, 10 min), washed twice with ethanol, and redispersed in toluene (10 mL) [7]. Characterization methods Structural characterization of the NPs was performed by X-ray diffractometry (XRD) measurements. X-ray diffraction patterns of NPs (Figure S1, Supporting Information
  • on a JEOL JEM-ARM 200F cold-FEG microscope operating at 200 kV and equipped with a spherical aberration probe corrector (Cs). The chemical compositions were determined by energy-dispersive X-ray spectroscopy The elemental maps were recorded on a SDD, Jeol DRY SD 30 GV X-ray spectrometer. NP shapes
  • [dT/dt]t=0 is the derivative function of the temperature at t = 0 (K·s−1). Results and Discussion X-ray diffraction analysis The XRD pattern (Supporting Information File 1, Figure S1) displays sharp and intense peaks characteristic of a well-crystallized material. The most intense peak is located at
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Published 15 Dec 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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  • measurements more difficult. There are other valuable methods for investigating transport in porous media such as gas-adsorption methods, X-ray tomography [24][25], neutron imaging techniques [26][27], optical imaging techniques [27][28], or impedance spectroscopy [29][30]. For all of them, it is difficult to
  • aerogels. After deprotection, one obtains SH-AlaNHzoSIL; the data is given in Supporting Information File 1, Figure S8. In particular, energy-dispersive X-ray spectroscopy analysis proves the presence of sulfur and, thus, the successful incorporation of the thiophenyl groups. The value of the thiol groups
  • using a Bruker AVANCE III spectrometer operating at 400 MHz equipped with a 4 mm PH MAS DVT 400W1 BL4 N-P/H CGR probe head with magic angle gradient. 1H NMR measurements were performed on a Bruker Ascend 400 MHz spectrometer. Scanning electron microscopy and energy-dispersive X-ray spectroscopy were
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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

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  • nanofibers The thermal properties and crystallinity of NF-PLA (monolithic), NF-HA/PLA, and NF-HA+NE2/PLA nanofibers were analyzed using thermogravimetric analysis (TGA), X-ray diffraction (XRD), and differential scanning calorimetry (DSC). Thermal behavior and crystallinity of the nanofibers mats of βCp
  • glass transition temperature (Tg) of PLA and related to enthalpic relaxations in the amorphous regions. X-ray diffraction (XRD) analysis was also performed to compare the crystallinity and characteristic peaks of the produced nanofibers. Figure 9 presents the diffractograms of the NF-PLA, NF-HA/PLA, and
  • encapsulation within the PLA shell. An ATR-FTIR spectrometer (Frontier FT-IR/FIR, PerkinElmer, USA) was used to acquire spectra in the range of 4000–600 cm−1 with a resolution of 4 cm−1 and 60 scans. Samples analyzed included monolithic PLA nanofibers, HA/PLA, HA+NE2/PLA, and HA powder. X-ray diffraction XRD
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Published 12 Nov 2025
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