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Search for "aligned" in Full Text gives 375 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Hierarchically patterned polyurethane microgrooves featuring nanopillars or nanoholes for neurite elongation and alignment

  • Lester Uy Vinzons,
  • Guo-Chung Dong and
  • Shu-Ping Lin

Beilstein J. Nanotechnol. 2023, 14, 1157–1168, doi:10.3762/bjnano.14.96

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  • –groove substrate. Quantitative analysis of neurite directionality on the grooved substrates reveals an improvement in neurite alignment on the nanopatterned grooves, as can be seen in the increase in the amount of neurites aligned within 15° of the grooves, considering all neurite branches (Figure 4G and
  • Supporting Information File 1, Figure S19A) and branches greater than or equal to 20 µm only (Supporting Information File 1, Figure S19B). In particular, the amount of aligned neurites was at least 1.17× higher on the nanopatterned substrates compared to the plain microgrooves (p < 0.01). Further analysis of
  • different PC12 neurite parameters: (D) total neurite length per cell, (E) relative frequency histogram of neurite branch length, (F) total neurite length of branches greater than or equal to 20 µm per cell, (G) relative amount of aligned neurites in entire area, (H) relative amount of aligned neurites on
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Published 29 Nov 2023

A bifunctional superconducting cell as flux qubit and neuron

  • Dmitrii S. Pashin,
  • Pavel V. Pikunov,
  • Marina V. Bastrakova,
  • Andrey E. Schegolev,
  • Nikolay V. Klenov and
  • Igor I. Soloviev

Beilstein J. Nanotechnol. 2023, 14, 1116–1126, doi:10.3762/bjnano.14.92

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  • an operation based on the calculation of fidelity. We evaluate the fidelity of the gate Ug (for Figure 2a) as in [53]: where the summation runs over the six states ν aligned along the cardinal directions of the Bloch sphere |z+⟩ = |0⟩, |z−⟩ = |1⟩. Here, |0⟩ and |1⟩ are the ground and first excited
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Published 21 Nov 2023

Spatial mapping of photovoltage and light-induced displacement of on-chip coupled piezo/photodiodes by Kelvin probe force microscopy under modulated illumination

  • Zeinab Eftekhari,
  • Nasim Rezaei,
  • Hidde Stokkel,
  • Jian-Yao Zheng,
  • Andrea Cerreta,
  • Ilka Hermes,
  • Minh Nguyen,
  • Guus Rijnders and
  • Rebecca Saive

Beilstein J. Nanotechnol. 2023, 14, 1059–1067, doi:10.3762/bjnano.14.87

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  • the piezo/photodiode device. The device was illuminated from the top surface using a laser diode at a wavelength of 628 nm. The light source was installed inside the AFM chamber, and the light beam was aligned towards the active area of the device. The illumination source was modulated by a square
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Published 06 Nov 2023

A visible-light photodetector based on heterojunctions between CuO nanoparticles and ZnO nanorods

  • Doan Nhat Giang,
  • Nhat Minh Nguyen,
  • Duc Anh Ngo,
  • Thanh Trang Tran,
  • Le Thai Duy,
  • Cong Khanh Tran,
  • Thi Thanh Van Tran,
  • Phan Phuong Ha La and
  • Vinh Quang Dang

Beilstein J. Nanotechnol. 2023, 14, 1018–1027, doi:10.3762/bjnano.14.84

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  • -emission scanning electron microscopy (FESEM) image of ZnO NRs exhibits nanorods with hexagonal cross section, well aligned with the glass substrate (Figure 1a). Figure 1b indicates that many spherical nanoparticles are formed on the ZnO NRs after spraying the CuO NP solution with a concentration of 0.05 M
  • major carriers. ZnO is a commonly known n-type material, where electrons are dominant. The Fermi levels of both materials will be aligned, which will result in energy band bending at the interface. To achieve the equilibrium state, electrons from ZnO NRs are diffused to CuO NPs while holes are
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Published 13 Oct 2023

Exploring internal structures and properties of terpolymer fibers via real-space characterizations

  • Michael R. Roenbeck and
  • Kenneth E. Strawhecker

Beilstein J. Nanotechnol. 2023, 14, 1004–1017, doi:10.3762/bjnano.14.83

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  • through real-space mapping. Complementing these full-fiber scans, high-resolution topography and stiffness maps on smaller fiber subdomains were also obtained to study the nanostructure of Technora®. From detailed topography maps, we found that the well-aligned surface features observed on the full
  • -diameter map were fibrillar in structure (Figure 3a). The surface consisted of a branched network of fibrils closely aligned to the fiber axis, as highlighted in Figure 3b. The widths of individual fibrils varied substantially (20–45 nm) along their length. Unlike in other polymer fibers we have explored
  • terms of the Technora® nanostructure, our measurements directly reveal two key motifs: (i) the presence of nanoscale fibrils that are well aligned with respect to the fiber axis and form a branched network and (ii) nanoscale domains with high local transverse stiffness. Through WAXD studies, Ferreira et
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Published 05 Oct 2023

Two-dimensional molecular networks at the solid/liquid interface and the role of alkyl chains in their building blocks

  • Suyi Liu,
  • Yasuo Norikane and
  • Yoshihiro Kikkawa

Beilstein J. Nanotechnol. 2023, 14, 872–892, doi:10.3762/bjnano.14.72

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  • -to-head fashion (Figure 12b,d). In contrast, in the monolayers of OC19 and OC21, knot-like substructures were obliquely aligned along the columnar direction (Figure 12c,e). In the case of OC19, a tape-like structure was also observed. Thus, modulation of the 2D structure was observed for OCn (n ≥ 18
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Published 23 Aug 2023

Industrial perspectives for personalized microneedles

  • Remmi Danae Baker-Sediako,
  • Benjamin Richter,
  • Matthias Blaicher,
  • Michael Thiel and
  • Martin Hermatschweiler

Beilstein J. Nanotechnol. 2023, 14, 857–864, doi:10.3762/bjnano.14.70

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  • microneedles are most often directly printed onto the medical device and aligned to specific features, such as pores, on the device. Direct microneedle printing has its own set of extensive requirements (e.g., biocompatibility of the material, mechanical robustness, and surface adhesion). Also, FDA’s 510(k
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Published 15 Aug 2023

Humidity-dependent electrical performance of CuO nanowire networks studied by electrochemical impedance spectroscopy

  • Jelena Kosmaca,
  • Juris Katkevics,
  • Jana Andzane,
  • Raitis Sondors,
  • Liga Jasulaneca,
  • Raimonds Meija,
  • Kiryl Niherysh,
  • Yelyzaveta Rublova and
  • Donats Erts

Beilstein J. Nanotechnol. 2023, 14, 683–691, doi:10.3762/bjnano.14.54

Graphical Abstract
  • compositions aligned by DEP [25]. In some of these works, electrochemical impedance spectroscopy (EIS) was used as an effective tool to study the effects of chemical and physical absorption of water on the nanostructured surfaces of active CuO elements of the systems [23][24]. To the best of our knowledge, the
  • nanowires are synthesized by thermal oxidation [9] and aligned between metallic microelectrodes by DEP [26]. Electrical properties of the nanowire-based system at various RH values are assessed by EIS [27][28]. To attempt a systematic study on the suitability of the CuO nanowire networks for different
  • interconnects, the distance between the metallic microelectrodes was varied from 2 to 8 µm [26]. The arrays of microelectrode pairs with different gap distances were grouped in four rows on a chip (Figure 1b). The dielectrophoretically aligned nanowires connected the gaps between pairs of microelectrodes
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Published 05 Jun 2023

Suspension feeding in Copepoda (Crustacea) – a numerical model of setae acting in concert

  • Alexander E. Filippov,
  • Wencke Krings and
  • Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 603–615, doi:10.3762/bjnano.14.50

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  • , Massachusetts, USA). Our discrete numerical model describes the dynamics of two pairs of initially parallel aligned elastic crests, resembling the maxillae 1 and 2. The conceptual structure of the model is depicted in Figure 10. The dynamic behavior of the model can be found in the movie in Supporting
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Published 17 May 2023

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

  • Katsuhiko Ariga

Beilstein J. Nanotechnol. 2023, 14, 434–453, doi:10.3762/bjnano.14.35

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  • and Gong discuss the organization of gels [103]. Specifically, they outline a unique anisotropic hydrogel consisting of uniaxially aligned lamellar bilayers in an amorphous gel matrix. This gel organization exhibits a beautiful structural color that is sensitive to mechanical and chemical stimuli. The
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Published 03 Apr 2023

A distributed active patch antenna model of a Josephson oscillator

  • Vladimir M. Krasnov

Beilstein J. Nanotechnol. 2023, 14, 151–164, doi:10.3762/bjnano.14.16

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  • power efficiency is close to the optimal approx. 50%. The operation frequency should be aligned with the Josephson frequency at the characteristics voltage, Ic0Rn, of JJs. For operation at the primary mode, one side of the patch should be a ≃ λ/2, where λ = λ0/ is the wavelength inside the patch and εr
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Published 26 Jan 2023

Intermodal coupling spectroscopy of mechanical modes in microcantilevers

  • Ioan Ignat,
  • Bernhard Schuster,
  • Jonas Hafner,
  • MinHee Kwon,
  • Daniel Platz and
  • Ulrich Schmid

Beilstein J. Nanotechnol. 2023, 14, 123–132, doi:10.3762/bjnano.14.13

Graphical Abstract
  • aligned with any known mode or harmonic. Both lead to an unstable regime for the amplitude of the cavity mode. Having another eigenmode as the pump was slightly explored before [18], yet its linewidth was not taken into consideration. Another nonlinear effect can be observed in T3–F1. Here, the local
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Published 19 Jan 2023

Characterisation of a micrometer-scale active plasmonic element by means of complementary computational and experimental methods

  • Ciarán Barron,
  • Giulia Di Fazio,
  • Samuel Kenny,
  • Silas O’Toole,
  • Robin O’Reilly and
  • Dominic Zerulla

Beilstein J. Nanotechnol. 2023, 14, 110–122, doi:10.3762/bjnano.14.12

Graphical Abstract
  • 561.4 nm, typically incident at 0.2 mW after filtering, was used as the incident light source. The collimated light from an optical fibre was spatially filtered through a 300 μm aperture and a polariser aligned to the plane of rotation ensuring p-polarisation for SPP excitation as seen in Figure 2. The
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Published 16 Jan 2023

Rapid and sensitive detection of box turtles using an electrochemical DNA biosensor based on a gold/graphene nanocomposite

  • Abu Hashem,
  • M. A. Motalib Hossain,
  • Ab Rahman Marlinda,
  • Mohammad Al Mamun,
  • Khanom Simarani and
  • Mohd Rafie Johan

Beilstein J. Nanotechnol. 2022, 13, 1458–1472, doi:10.3762/bjnano.13.120

Graphical Abstract
  • -specific DNA sequence was chosen as the probe from aligned sequences with the highest mismatch with 29 nontarget species (Figure 1). From the aligned sequences, a 31 base length sequence was chosen as the probe. The selected probe sequence was matched 100% with the BT DNA and 6–14 bases (19–45%) were
  • NCBI database (https://www.ncbi.nlm.nih.gov/) and aligned using the MEGA5.2 [73] sequence alignment software followed by ClustalW [74] to find intraspecies conserved and interspecies hypervariable regions. The specific DNA sequence of BT was selected as a probe by comparing the BT cytb gene sequence
  • with the same gene of other nontarget species within the aligned sequences having the maximum mismatch with nontarget sequences (Figure 1). Then, the designed probe sequence was submitted to BLAST (basic local alignment search tool) on NCBI to check the in silico specificity by comparing with all
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Published 06 Dec 2022

Growing up in a rough world: scaling of frictional adhesion and morphology of the Tokay gecko (Gekko gecko)

  • Anthony J. Cobos and
  • Timothy E. Higham

Beilstein J. Nanotechnol. 2022, 13, 1292–1302, doi:10.3762/bjnano.13.107

Graphical Abstract
  • and pes of the gecko, when pulled across a surface, do not have all of the toes aligned parallel to the direction of movement. In a study of Tokay geckos, Stewart and Higham [16] used an apparatus to pull individuals across an acrylic glass platform while obtaining high-speed video in ventral view
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Published 09 Nov 2022

Studies of probe tip materials by atomic force microscopy: a review

  • Ke Xu and
  • Yuzhe Liu

Beilstein J. Nanotechnol. 2022, 13, 1256–1267, doi:10.3762/bjnano.13.104

Graphical Abstract
  • et al. [34] developed a technique based on field emission-induced growth by growing a single metal nanowire at the AFM tip and forming vertically aligned nanowire probes on AFM cantilever beams of different types and force constants. This type of probe has properties such as a high aspect ratio and
  • extract vertically aligned carbon nanotubes based on the surface layer of the substrate. This method extracts single-walled carbon nanotubes (SWNTs) on the substrate surface based on the observation of micromachined tips by first fabricating vertically aligned SWNT substrates with isolation effects
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Published 03 Nov 2022

Application of nanoarchitectonics in moist-electric generation

  • Jia-Cheng Feng and
  • Hong Xia

Beilstein J. Nanotechnol. 2022, 13, 1185–1200, doi:10.3762/bjnano.13.99

Graphical Abstract
  • ); permission conveyed through Copyright Clearance Center, Inc. This content is not subject to CC BY 4.0. (j) SEM image showing a highly aligned PVA@DA/PVDF NF array. The LSCM image shows PVA-wrapped DA/PVDF NFs. Figure 10j was reproduced from [76], Li, T. et al., “Power Generation from Moisture Fluctuations
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Published 25 Oct 2022

Bioselectivity of silk protein-based materials and their bio-inspired applications

  • Hendrik Bargel,
  • Vanessa T. Trossmann,
  • Christoph Sommer and
  • Thomas Scheibel

Beilstein J. Nanotechnol. 2022, 13, 902–921, doi:10.3762/bjnano.13.81

Graphical Abstract
  • silk, poly-A and GA sequences in the spider dragline thread form nanocrystalline hydrophobic β-sheets aligned along the fibre axis, which are embedded in a matrix of more hydrophilic GGX and GPG(X)n regions responsible for helical and spring-like secondary structures with fewer hydrogen bonds and
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Published 08 Sep 2022

Recent advances in nanoarchitectures of monocrystalline coordination polymers through confined assembly

  • Lingling Xia,
  • Qinyue Wang and
  • Ming Hu

Beilstein J. Nanotechnol. 2022, 13, 763–777, doi:10.3762/bjnano.13.67

Graphical Abstract
  • find appropriate substrates with lattice similarity to the preferred crystallographic orientation of the targeted coordination polymer. Parallelly aligned Cu(OH)2 nanobelts were used to guide the epitaxial growth of Cu2(BDC)2 (BDC = benzenedicarboxylic acid). Centimeter-scale micropore alignment was
  • . Figure 7a was reproduced from [138], C. Avci et al., “Metal-Organic Framework Photonic Balls: Single Object Analysis for Local Thermal Probing”, Advanced Materials, with permission from John Wiley and Sons. Copyright © 2021 WILEY‐VCH GmbH. This content is not subject to CC BY 4.0. b) Photos of aligned
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Published 12 Aug 2022

Design and selection of peptides to block the SARS-CoV-2 receptor binding domain by molecular docking

  • Kendra Ramirez-Acosta,
  • Ivan A. Rosales-Fuerte,
  • J. Eduardo Perez-Sanchez,
  • Alfredo Nuñez-Rivera,
  • Josue Juarez and
  • Ruben D. Cadena-Nava

Beilstein J. Nanotechnol. 2022, 13, 699–711, doi:10.3762/bjnano.13.62

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  • ); distribution of electrostatic potential on the surface of APD peptide candidates docked to the SARS-CoV-2 RBD (Figure S2); secondary structure, docking, and distribution of electrostatic charges of aligned peptides (Figure S3); physicochemical properties, hydrogen bonds, and hydrophobic interactions of the
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Published 22 Jul 2022

Experimental and theoretical study of field-dependent spin splitting at ferromagnetic insulator–superconductor interfaces

  • Peter Machon,
  • Michael J. Wolf,
  • Detlef Beckmann and
  • Wolfgang Belzig

Beilstein J. Nanotechnol. 2022, 13, 682–688, doi:10.3762/bjnano.13.60

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  • observed in EuS/Al structures [45][46], and the microscopic origin is yet unclear. A possible explanation are misaligned spins at the interface, which are nearly free and therefore gradually aligned by the applied field. The misaligned spins might be the result of partial oxidation of the EuS surface
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Published 20 Jul 2022

Quantitative dynamic force microscopy with inclined tip oscillation

  • Philipp Rahe,
  • Daniel Heile,
  • Reinhard Olbrich and
  • Michael Reichling

Beilstein J. Nanotechnol. 2022, 13, 610–619, doi:10.3762/bjnano.13.53

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  • model calculation is required to determine the uncertainty in the measured force due to the inclined tip oscillation. Precise forces are measured if the data recording path, here introduced as the axis w, is aligned parallel to the tip sampling path, here described as the vector The resulting measured
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Published 06 Jul 2022

A new method for obtaining the magnetic shape anisotropy directly from electron tomography images

  • Cristian Radu,
  • Ioana D. Vlaicu and
  • Andrei C. Kuncser

Beilstein J. Nanotechnol. 2022, 13, 590–598, doi:10.3762/bjnano.13.51

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  • MNPs is generated. Filtering utility: Handling the diffraction contrast in electron tomography is still an ongoing issue [28][29]. In this regard, the Magn3t software is accompanied by an in-house developed novel image filtering tool, which can be applied on well-aligned experimental tomography tilt
  • better 3D reconstruction. The filtering utility can be used independently from the Magn3t software on any aligned experimental tilt series in the common mrc format. Results and Discussion In order to demonstrate both capabilities and limits of the software, two examples are considered, that is, (i) an
  • nanoparticles has been used for further tests. A −67 to +67 tomographic tilt series has been obtained with 1° steps. The series has been aligned using Tomviz [31] and ImageJ [32] software. The aligned series has been reconstructed using Genfire. The Rietveld refinement of the XRD spectra (Figure 4a) revealed
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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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  • allowed for the decoration of vertically aligned cone-shaped ZnO nanorods with Ag NPs on their sides and their top ends [35], and magnetron sputtering [7][36]. Electron beam evaporation of, for example, a 30 nm Au layer on ZnO nanopillars arrays [37] or of ZnO-elevated Au dimer nanostructures (Figure 2a,b
  • density of the free carriers or by creating “hot spots” on the ZnO nanosubstrates. For example, it has been observed that randomly oriented ZnO nanowires showed higher SERS enhancement than aligned ones [31], meaning that randomly oriented nanostructures may generate more “hot spots”. One of the most
  • morphology for SERS measurements can be fabricated using various methods, including sol–gel synthesis [38], thermal deposition [31][32], chemical vapour deposition [42], or electrodeposition [35], which resulted in 1.2 μm high, vertically aligned nanorods of 60 nm diameter. It was observed that thermal
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Published 27 May 2022

Investigation of electron-induced cross-linking of self-assembled monolayers by scanning tunneling microscopy

  • Patrick Stohmann,
  • Sascha Koch,
  • Yang Yang,
  • Christopher David Kaiser,
  • Julian Ehrens,
  • Jürgen Schnack,
  • Niklas Biere,
  • Dario Anselmetti,
  • Armin Gölzhäuser and
  • Xianghui Zhang

Beilstein J. Nanotechnol. 2022, 13, 462–471, doi:10.3762/bjnano.13.39

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  • to the surface normal [65]. Figure 2b (bottom panel) shows a high-resolution image of the β-phase, which is characterized by rows of oval spots aligned at an angle of ≈60° with respect to the stripe direction. Each oval spot contains two TPT molecules. Such superstructure is caused by point-on-line
  • . The irradiated area was typically around 30 × 40 µm2. The time per cycle was 2.5 s. Imaging of SAMs by STM The STM experiments were performed on a commercial Omicron Multiscan system combining both a temperature-variable STM (Multiscan STM VT) and an SEM. The STM tip is aligned at ≈45° with respect to
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Published 25 May 2022
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