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Search for "positioning" in Full Text gives 151 result(s) in Beilstein Journal of Nanotechnology.

Bioinspired polypropylene-based functionally graded materials and metamaterials modeling the mistletoe–host interface

  • Lina M. Rojas González,
  • Naeim Ghavidelnia,
  • Christoph Eberl and
  • Max D. Mylo

Beilstein J. Nanotechnol. 2025, 16, 1592–1606, doi:10.3762/bjnano.16.113

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  • showed that both Young’s modulus (by 38%) and ultimate tensile strength (by 62%) could be increased by introducing V-shaped interfaces. Digital image correlation analysis and the fracture images showed that the positioning of the area with the highest glass fiber content can lead to spatial control over
  • tensile strength is mainly influenced by the stress concentration in the area of highest glass fiber content, which is identical in both groups. This is a good indication that the spatial failure behavior of the specimens can be controlled by positioning the area of highest fiber content. Time and
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Published 11 Sep 2025

Laser processing in liquids: insights into nanocolloid generation and thin film integration for energy, photonic, and sensing applications

  • Akshana Parameswaran Sreekala,
  • Pooja Raveendran Nair,
  • Jithin Kundalam Kadavath,
  • Bindu Krishnan,
  • David Avellaneda Avellaneda,
  • M. R. Anantharaman and
  • Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 1428–1498, doi:10.3762/bjnano.16.104

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  • over other fabrication methods, such as spin coating, is the ability to minimize material loss, which can be as low as 5% [112]. The process involves positioning a sharp blade at a fixed distance from the substrate (Figure 12a). The final dry thickness of the coated film, d can be predicted using an
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Published 27 Aug 2025

The role of biochar in combating microplastic pollution: a bibliometric analysis in environmental contexts

  • Tuan Minh Truong Dang,
  • Thao Thu Thi Huynh,
  • Guo-Ping Chang-Chien and
  • Ha Manh Bui

Beilstein J. Nanotechnol. 2025, 16, 1401–1416, doi:10.3762/bjnano.16.102

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  • , positioning it as a promising solution for nanoplastic remediation. Keywords: aquatic pollution; bibliometric analysis; biochar; microplastics (MPs); soil remediation; Introduction Plastics are widely utilized in various industries and daily life due to their low production cost. The average global per
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Published 21 Aug 2025

Automated collection and categorisation of STM images and STS spectra with and without machine learning

  • Dylan Stewart Barker and
  • Adam Sweetman

Beilstein J. Nanotechnol. 2025, 16, 1367–1379, doi:10.3762/bjnano.16.99

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  • ” sites of the herringbone structure. An STS spectrum (differential conductance) can be obtained in practice using one of two methods. Both begin by positioning the STM tip at a desired lateral position on the surface whilst scanning in STM feedback. At this point, the feedback loop is disabled, keeping
  • ) surface [21] under hole injection. This is usually carried out intentionally by positioning the tip over the centre of an SnUp molecule, and applying a bias pulse via the tip of less than −1.9 V. On injection, the Sn atom within the molecule is transiently oxidised to Sn3+, which favours a new position
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Published 18 Aug 2025

Wavelength-dependent correlation of LIPSS periodicity and laser penetration depth in stainless steel

  • Nitin Chaudhary,
  • Chavan Akash Naik,
  • Shilpa Mangalassery,
  • Jai Prakash Gautam and
  • Sri Ram Gopal Naraharisetty

Beilstein J. Nanotechnol. 2025, 16, 1302–1315, doi:10.3762/bjnano.16.95

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  • employed as shown in Figure 1. For nanostructuring, a convex lens made of CaF2 with a focal length of 5 cm was used to focus the laser beam. Precise sample positioning was achieved using a three-dimensional Newport stage with a resolution of 1 µm, controlled by an ESP motion controller, with all axes being
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Published 11 Aug 2025

Towards a quantitative theory for transmission X-ray microscopy

  • James G. McNally,
  • Christoph Pratsch,
  • Stephan Werner,
  • Stefan Rehbein,
  • Andrew Gibbs,
  • Jihao Wang,
  • Thomas Lunkenbein,
  • Peter Guttmann and
  • Gerd Schneider

Beilstein J. Nanotechnol. 2025, 16, 1113–1128, doi:10.3762/bjnano.16.82

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  • these different foci therefore go as 1/(mπ)2. Most TXMs operate in first order by using a hollow-cone illumination to remove the zero-order light and by positioning the camera to detect the image produced by the first-order focus. Setting m = 1 in Equation 8 yields two exponential terms corresponding
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Published 15 Jul 2025

Piezoelectricity of hexagonal boron nitrides improves bone tissue generation as tested on osteoblasts

  • Sevin Adiguzel,
  • Nilay Cicek,
  • Zehra Cobandede,
  • Feray B. Misirlioglu,
  • Hulya Yilmaz and
  • Mustafa Culha

Beilstein J. Nanotechnol. 2025, 16, 1068–1081, doi:10.3762/bjnano.16.78

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  • the broader implications of hBNs in applications such as wireless tissue stimulation and noninvasive therapeutic strategies, positioning them as promising candidates in advanced medical treatments aimed at enhancing bone regeneration and healing. In conclusion, our groundbreaking findings demonstrate
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Published 07 Jul 2025

Multifunctional properties of bio-poly(butylene succinate) reinforced with multiwalled carbon nanotubes

  • Volodymyr Krasinskyi,
  • Krzysztof Bajer,
  • Ludmila Dulebova,
  • Nickolas Polychronopoulos,
  • Oksana Krasinska and
  • Daniel Kaczor

Beilstein J. Nanotechnol. 2025, 16, 1014–1024, doi:10.3762/bjnano.16.76

Graphical Abstract
  • precise positioning of the hardness tester at a right angle to the specimen surface. Mechanical properties tests under static tension were conducted using a TIRAtest 27025 testing machine (TIRA Maschinenbau GmbH, Schalkau, Germany). Maximum stress (Rm), stress at break (Rb), tensile modulus (Et), strain
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Published 03 Jul 2025

Tendency in tip polarity changes in non-contact atomic force microscopy imaging on a fluorite surface

  • Bob Kyeyune,
  • Philipp Rahe and
  • Michael Reichling

Beilstein J. Nanotechnol. 2025, 16, 944–950, doi:10.3762/bjnano.16.72

Graphical Abstract
  • ), while the contrast change present in Figure 2d represents a transition from contrast mode C4 (see Figure 2f) to contrast mode C2 (see Figure 2e). The assignment of the contrast mode C4 follows a distance-dependent analysis of the data acquired prior to this image (data not shown). Positioning the CaF2
  • (111) surface models in Figure 2a and Figure 2d relative to the NC-AFM data is based on the sublattice analysis of the contrast profiles shown in Figure 2b,c and Figure 2e,f, respectively. This positioning indicates that there is no lateral shift involved during the tip changes as the same lattice fits
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Published 26 Jun 2025

Polyurethane/silk fibroin-based electrospun membranes for wound healing and skin substitute applications

  • Iqra Zainab,
  • Zohra Naseem,
  • Syeda Rubab Batool,
  • Muhammad Waqas,
  • Ahsan Nazir and
  • Muhammad Anwaar Nazeer

Beilstein J. Nanotechnol. 2025, 16, 591–612, doi:10.3762/bjnano.16.46

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  • , photocatalysis, and solar energy technologies [60]. Moreover, electrospinning allows for the incorporation of multiple components with distinct morphological characteristics, positioning it as a promising approach for developing innovative materials, particularly in biological contexts [61][62]. The demand for
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Published 24 Apr 2025

Feasibility analysis of carbon nanofiber synthesis and morphology control using a LPG premixed flame

  • Iftikhar Rahman Bishal,
  • Muhammad Hilmi Ibrahim,
  • Norikhwan Hamzah,
  • Mohd Zamri Mohd Yusop,
  • Faizuan Bin Abdullah,
  • I Putu Tedy Indrayana and
  • Mohd Fairus Mohd Yasin

Beilstein J. Nanotechnol. 2025, 16, 581–590, doi:10.3762/bjnano.16.45

Graphical Abstract
  • placement of the thermocouple within the flame, a two-axis positioning system was employed with an Arduino-based control unit. The positioning system has 1 mm accuracy with x- and y-axis traverse ranges of 100 and 200 mm, respectively. The grown CNFs were characterized by field-emission scanning electron
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Published 23 Apr 2025

Enhancing mechanical properties of chitosan/PVA electrospun nanofibers: a comprehensive review

  • Nur Areisman Mohd Salleh,
  • Amalina Muhammad Afifi,
  • Fathiah Mohamed Zuki and
  • Hanna Sofia SalehHudin

Beilstein J. Nanotechnol. 2025, 16, 286–307, doi:10.3762/bjnano.16.22

Graphical Abstract
  • place for better handling and positioning on the machine, as shown in Figure 9. Tensile properties measured by UTM include ultimate tensile strength, Young’s modulus, and elongation at break [134]. Ultimate tensile strength is the maximum stress the specimen can withstand before rupturing. Young's
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Published 26 Feb 2025

Recent advances in photothermal nanomaterials for ophthalmic applications

  • Jiayuan Zhuang,
  • Linhui Jia,
  • Chenghao Li,
  • Rui Yang,
  • Jiapeng Wang,
  • Wen-an Wang,
  • Heng Zhou and
  • Xiangxia Luo

Beilstein J. Nanotechnol. 2025, 16, 195–215, doi:10.3762/bjnano.16.16

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  • photothermal conversion of iron oxide minimizes the necessary laser energy. The mechanical force generated by laser-induced VNBs enables the selective destruction of single corneal cells. The PLA films aid in precisely positioning the photothermal therapy, restrain the dispersion of iron oxide nanoclusters
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Published 17 Feb 2025

A review of metal-organic frameworks and polymers in mixed matrix membranes for CO2 capture

  • Charlotte Skjold Qvist Christensen,
  • Nicholas Hansen,
  • Mahboubeh Motadayen,
  • Nina Lock,
  • Martin Lahn Henriksen and
  • Jonathan Quinson

Beilstein J. Nanotechnol. 2025, 16, 155–186, doi:10.3762/bjnano.16.14

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Published 12 Feb 2025

Characterization of ZnO nanoparticles synthesized using probiotic Lactiplantibacillus plantarum GP258

  • Prashantkumar Siddappa Chakra,
  • Aishwarya Banakar,
  • Shriram Narayan Puranik,
  • Vishwas Kaveeshwar,
  • C. R. Ravikumar and
  • Devaraja Gayathri

Beilstein J. Nanotechnol. 2025, 16, 78–89, doi:10.3762/bjnano.16.8

Graphical Abstract
  • this, 20 μL of freshly prepared MTT solution was introduced to each well, and the resulting absorbance was quantified at 570 nm. This experimental procedure was conducted in triplicates [22][33]. Phylogenetic relationship of GP258 and its evolutionary positioning within the Lactiplantibacillus genus
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Published 30 Jan 2025

Precursor sticking coefficient determination from indented deposits fabricated by electron beam induced deposition

  • Alexander Kuprava and
  • Michael Huth

Beilstein J. Nanotechnol. 2025, 16, 35–43, doi:10.3762/bjnano.16.4

Graphical Abstract
  • 60° with the identical positioning. The background pressure was 4 × 10−7 mbar and rose to 5 × 10−7 mbar for Cr(C6H6)2 and 6 × 10−6 mbar for Me3CpPtMe during deposition at room temperature. To prevent any mechanical or beam drift, a waiting time of 10 min was introduced right before the start of the
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Published 13 Jan 2025

Signal generation in dynamic interferometric displacement detection

  • Knarik Khachatryan,
  • Simon Anter,
  • Michael Reichling and
  • Alexander von Schmidsfeld

Beilstein J. Nanotechnol. 2024, 15, 1070–1076, doi:10.3762/bjnano.15.87

Graphical Abstract
  • curve, where the slope of IM(d) is a maximum. Such an adjustment facilitates a most sensitive displacement detection. Note, that it is not possible to adjust the interferometer to d0 with a small number m because of limitations in positioning the fiber end face parallel to the cantilever surface. Upon
  • [16] and tube piezos [17] for fine positioning in all directions. The scanhead with cantilever, sample support, and the respective motion elements are shown in Figure 2a. The fine adjustment of d is accomplished by the fiber tube piezo, which is in its relaxed position at zf = 0, according to the
  • amplitude error. The relative error in the wavelength measurement is δλ/λ = 0.00075 as detailed below. The error in the adjustment of the light spot on the cantilever with length lc is the positioning error δlc = 5 μm, which is the distance between the laser spot position and the tip position as illustrated
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Published 20 Aug 2024

Water-assisted purification during electron beam-induced deposition of platinum and gold

  • Cristiano Glessi,
  • Fabian A. Polman and
  • Cornelis W. Hagen

Beilstein J. Nanotechnol. 2024, 15, 884–896, doi:10.3762/bjnano.15.73

Graphical Abstract
  • . However, these experiments did indicate the importance of a high gas flux ratio H2O/MeCpPtMe3 to achieve purified deposits. A more extensive presentation of these data is provided in Supporting Information File 1 (pp S8–S10). In the two-nozzle system, the gas flux ratio was maximized by positioning the
  • Si. (a) Positioning of the water GIS (right) and the Pt GIS (left), the blue dot indicates the deposition area. (b) Variation of the C/Pt atom % ratio as a function of the chamber pressure increase during deposition (see also Supporting Information File 1, pp S11–S13). EDX maps for Si, C, Pt, and O
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Published 18 Jul 2024

Investigation on drag reduction on rotating blade surfaces with microtextures

  • Qinsong Zhu,
  • Chen Zhang,
  • Fuhang Yu and
  • Yan Xu

Beilstein J. Nanotechnol. 2024, 15, 833–853, doi:10.3762/bjnano.15.70

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  • size factors. The presence of microtextures on the blade surface effectively impedes turbulence generation, thus, reducing the turbulent kinetic energy and wall shear stress to reduce drag. (3) The simulation results reveal that positioning the optimally sized microstructure at the back end of the
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Published 10 Jul 2024

Intermixing of MoS2 and WS2 photocatalysts toward methylene blue photodegradation

  • Maryam Al Qaydi,
  • Nitul S. Rajput,
  • Michael Lejeune,
  • Abdellatif Bouchalkha,
  • Mimoun El Marssi,
  • Steevy Cordette,
  • Chaouki Kasmi and
  • Mustapha Jouiad

Beilstein J. Nanotechnol. 2024, 15, 817–829, doi:10.3762/bjnano.15.68

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  • , making it a promising avenue for future developments in catalytic materials for pollutant degradation. Overall, these advancements underscore the superior efficacy of the presented synthesis methods, positioning them at the forefront of MoS2 and WS2 nanocomposite fabrication and paving the way for
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Published 05 Jul 2024

Sidewall angle tuning in focused electron beam-induced processing

  • Sangeetha Hari,
  • Willem F. van Dorp,
  • Johannes J. L. Mulders,
  • Piet H. F. Trompenaars,
  • Pieter Kruit and
  • Cornelis W. Hagen

Beilstein J. Nanotechnol. 2024, 15, 447–456, doi:10.3762/bjnano.15.40

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  • . The goal of this model is only to provide a qualitative explanation of sidewall evolution under etching, which is not addressed by existing models and which is necessary for carrying out a well-controlled experiment. In the experiment, the positioning of the etch series with respect to the deposit
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Published 23 Apr 2024

Determining by Raman spectroscopy the average thickness and N-layer-specific surface coverages of MoS2 thin films with domains much smaller than the laser spot size

  • Felipe Wasem Klein,
  • Jean-Roch Huntzinger,
  • Vincent Astié,
  • Damien Voiry,
  • Romain Parret,
  • Houssine Makhlouf,
  • Sandrine Juillaguet,
  • Jean-Manuel Decams,
  • Sylvie Contreras,
  • Périne Landois,
  • Ahmed-Azmi Zahab,
  • Jean-Louis Sauvajol and
  • Matthieu Paillet

Beilstein J. Nanotechnol. 2024, 15, 279–296, doi:10.3762/bjnano.15.26

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Published 07 Mar 2024

Ion beam processing of DNA origami nanostructures

  • Leo Sala,
  • Agnes Zerolová,
  • Violaine Vizcaino,
  • Alain Mery,
  • Alicja Domaracka,
  • Hermann Rothard,
  • Philippe Boduch,
  • Dominik Pinkas and
  • Jaroslav Kocišek

Beilstein J. Nanotechnol. 2024, 15, 207–214, doi:10.3762/bjnano.15.20

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  • unperturbed. Present stability and nature of damages on DNA origami nanostructures enable fusion of DNA origami advantages such as shape and positioning control into novel ion beam nanofabrication approaches. Keywords: DNA nanotechnology; DNA origami; FIB; heavy ions; Introduction Ion beam interaction with
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Published 12 Feb 2024

Graphene removal by water-assisted focused electron-beam-induced etching – unveiling the dose and dwell time impact on the etch profile and topographical changes in SiO2 substrates

  • Aleksandra Szkudlarek,
  • Jan M. Michalik,
  • Inés Serrano-Esparza,
  • Zdeněk Nováček,
  • Veronika Novotná,
  • Piotr Ozga,
  • Czesław Kapusta and
  • José María De Teresa

Beilstein J. Nanotechnol. 2024, 15, 190–198, doi:10.3762/bjnano.15.18

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  • graphene films, each with its own set of advantages and disadvantages. Most of the current techniques are based on multistep processing. For example, ultranarrow graphene nanoribbons can be formed with the so-called meniscus-mask lithography [7] or nanospheres lithography [8], although positioning and
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Published 07 Feb 2024

unDrift: A versatile software for fast offline SPM image drift correction

  • Tobias Dickbreder,
  • Franziska Sabath,
  • Lukas Höltkemeier,
  • Ralf Bechstein and
  • Angelika Kühnle

Beilstein J. Nanotechnol. 2023, 14, 1225–1237, doi:10.3762/bjnano.14.101

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  • . The software displays both images used for drift correction and a variable number of markers in different colors as shown in Figure 3a,b. The user can, then, move these markers to match the positions of stationary features and start the drift correction by clicking a button. As this positioning of
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Published 28 Dec 2023
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