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Search for "transformation" in Full Text gives 389 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Recent updates in applications of nanomedicine for the treatment of hepatic fibrosis

  • Damai Ria Setyawati,
  • Fransiska Christydira Sekaringtyas,
  • Riyona Desvy Pratiwi,
  • A’liyatur Rosyidah,
  • Rohimmahtunnissa Azhar,
  • Nunik Gustini,
  • Gita Syahputra,
  • Idah Rosidah,
  • Etik Mardliyati,
  • Tarwadi and
  • Sjaikhurrizal El Muttaqien

Beilstein J. Nanotechnol. 2024, 15, 1105–1116, doi:10.3762/bjnano.15.89

Graphical Abstract
  • overexpressed in activated HSCs and strongly related to the transformation of HSCs into matrix-producing myofibroblasts during liver fibrinogenesis [68][69]. The HSC-mediated antifibrotic drugs work through several mechanisms, including inhibition of fibrogenesis (ECM synthesis), inhibition of HSC proliferation
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Published 23 Aug 2024

Atomistic insights into the morphological dynamics of gold and platinum nanoparticles: MD simulations in vacuum and aqueous media

  • Evangelos Voyiatzis,
  • Eugenia Valsami-Jones and
  • Antreas Afantitis

Beilstein J. Nanotechnol. 2024, 15, 995–1009, doi:10.3762/bjnano.15.81

Graphical Abstract
  • adapting theories suitable for bulk materials to NPs; examples include the classical nucleation theory [33], phenomenological models [34][35][36], as well as molecular simulations [37][38][39][40]. A molecular dynamics (MD) study of shape transformation and melting of tetrahexahedral Pt NPs has been
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Published 07 Aug 2024

Effects of cutting tool geometry on material removal of a gradient nanograined CoCrNi medium entropy alloy

  • Yu-Sheng Lu,
  • Yu-Xuan Hung,
  • Thi-Xuyen Bui and
  • Te-Hua Fang

Beilstein J. Nanotechnol. 2024, 15, 925–940, doi:10.3762/bjnano.15.76

Graphical Abstract
  • in CoCrNi MEAs with various grain size gradients during the cutting process. CNA was used to identify the structural phase transformation and amorphization processes of CoCrNi MEAs during cutting. The subsurface damage mechanism was investigated through the structural transformation of surface atoms
  • structure evolution results show that the mixed phase of FCC and HCP is maintained in the chip after cutting. The internal crystal structure undergoes a phase transformation from FCC to HCP during cutting. Stacking faults, twins, and grain boundary slips inside the grains affect the plastic deformation
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Published 23 Jul 2024

Exploring surface charge dynamics: implications for AFM height measurements in 2D materials

  • Mario Navarro-Rodriguez,
  • Andres M. Somoza and
  • Elisa Palacios-Lidon

Beilstein J. Nanotechnol. 2024, 15, 767–780, doi:10.3762/bjnano.15.64

Graphical Abstract
  • ] for details). After Fourier transformation and taking the limit a→0, Equation 1 becomes [78]: where , τ0 = (ε1 + ε2)/(σ1 + σ2), and It should be noted that Equation 6 only depends on k = |k| since radial symmetry is assumed. For a non-oscillating tip (z0 and V constant), this equation can be solved
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Published 01 Jul 2024

Elastic modulus of β-Ga2O3 nanowires measured by resonance and three-point bending techniques

  • Annamarija Trausa,
  • Sven Oras,
  • Sergei Vlassov,
  • Mikk Antsov,
  • Tauno Tiirats,
  • Andreas Kyritsakis,
  • Boris Polyakov and
  • Edgars Butanovs

Beilstein J. Nanotechnol. 2024, 15, 704–712, doi:10.3762/bjnano.15.58

Graphical Abstract
  • individual NWs (see Figure 1b and Figure 1c). The as-grown NWs typically are single crystalline without any distinguishable planar structural defects, such as twin boundaries or stacking faults. Fast Fourier transformation (FFT) was performed on the TEM images to ascribe the crystalline planes and determine
  • information on the crystalline structure of NWs. Fast Fourier transformation was performed on the obtained TEM images to determine crystalline orientations. The structure was also analysed using XRD on a Rigaku MiniFlex 600 X-ray powder diffractometer. The measurements were conducted in Bragg–Brentano θ/2θ
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Published 18 Jun 2024

Exfoliation of titanium nitride using a non-thermal plasma process

  • Priscila Jussiane Zambiazi,
  • Dolores Ribeiro Ricci Lazar,
  • Larissa Otubo,
  • Rodrigo Fernando Brambilla de Souza,
  • Almir Oliveira Neto and
  • Cecilia Chaves Guedes-Silva

Beilstein J. Nanotechnol. 2024, 15, 631–637, doi:10.3762/bjnano.15.53

Graphical Abstract
  • the same exfoliation method. These combined findings highlight the structural changes during the non-thermal plasma exfoliation process, further supporting the successful transformation of bulk TiN into nanosheets. Figure 3 shows high-resolution transmission electron microscopy (HRTEM) images of TiN
  • higher transparency to the microscope beam is observed, indicating fewer scattering centers. When comparing Figure 3a and Figure 3d, it is clear that the initial compact 3D TiN blocks underwent a transformation and evolved into plate-like thin layers. The high-resolution image in Figure 3f shows a
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Published 31 May 2024

Aero-ZnS prepared by physical vapor transport on three-dimensional networks of sacrificial ZnO microtetrapods

  • Veaceslav Ursaki,
  • Tudor Braniste,
  • Victor Zalamai,
  • Emil Rusu,
  • Vladimir Ciobanu,
  • Vadim Morari,
  • Daniel Podgornii,
  • Pier Carlo Ricci,
  • Rainer Adelung and
  • Ion Tiginyanu

Beilstein J. Nanotechnol. 2024, 15, 490–499, doi:10.3762/bjnano.15.44

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  • properties when compressed against water was fabricated using HVPE of CdS on sacrificial ZnO microtetrapods through the simultaneous or subsequent transformation of CdS into ZnS and the removal of the sacrificial ZnO crystals [16]. Self-propelled liquid marbles have been demonstrated on the basis of this
  • of a major zinc blende ZnS phase with some content of a tetragonal rutile SnO2 phase. The content of the SnO2 phase decreases with increasing the duration of the technological procedure with a concomitant transformation of the zinc blende phase to the wurtzite phase. The high crystalline quality of
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Published 02 May 2024

Photocatalytic degradation of methylene blue under visible light by cobalt ferrite nanoparticles/graphene quantum dots

  • Vo Chau Ngoc Anh,
  • Le Thi Thanh Nhi,
  • Le Thi Kim Dung,
  • Dang Thi Ngoc Hoa,
  • Nguyen Truong Son,
  • Nguyen Thi Thao Uyen,
  • Nguyen Ngoc Uyen Thu,
  • Le Van Thanh Son,
  • Le Trung Hieu,
  • Tran Ngoc Tuyen and
  • Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 475–489, doi:10.3762/bjnano.15.43

Graphical Abstract
  • and the easy movement of the domain walls can result in a decrease in coercivity. The reduced particle size leads to reduced coercivity, which could be expressed as a transformation from a ferrimagnetic to a superparamagnetic state [15]. Figure 6d presents the nitrogen adsorption/desorption isotherms
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Published 29 Apr 2024

Quantitative wear evaluation of tips based on sharp structures

  • Ke Xu and
  • Houwen Leng

Beilstein J. Nanotechnol. 2024, 15, 230–241, doi:10.3762/bjnano.15.22

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  • considers both the expansion of the probe and the sample [21], Here, P represents the inversion transformation of the topography curve of the probe centered on the origin, denotes the expansion operator in mathematical morphology, I represents the image topography obtained by scanning the sample with AFM
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Published 14 Feb 2024

Multiscale modelling of biomolecular corona formation on metallic surfaces

  • Parinaz Mosaddeghi Amini,
  • Ian Rouse,
  • Julia Subbotina and
  • Vladimir Lobaskin

Beilstein J. Nanotechnol. 2024, 15, 215–229, doi:10.3762/bjnano.15.21

Graphical Abstract
  • the protein’s initial orientation. This initial orientation is set by performing a principle axis transformation such that the axis associated with the smallest moment of inertia is aligned to the z axis and the second smallest to the y axis, that is, the z axis is now typically associated with the
  • cycle of dairy products, showcasing potential sources and pathways of contamination. It features the stages of grazing, collection, processing, and packaging. The relevant processes include surface fouling and milk contamination during food transformation as well as the formation of a protein corona on
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Published 13 Feb 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

Graphical Abstract
  • origami but also their transformation upon irradiation. FIB processing Inspired by the shape preservation of DNA origami nanostructures under ion beam irradiation, we explored the damage response under a conventional focused ion beam typically used in lithography. Lines of about ∼140 nm in width ∼40 nm in
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Published 12 Feb 2024

Assessing phytotoxicity and tolerance levels of ZnO nanoparticles on Raphanus sativus: implications for widespread adoptions

  • Pathirannahalage Sahan Samuditha,
  • Nadeesh Madusanka Adassooriya and
  • Nazeera Salim

Beilstein J. Nanotechnol. 2024, 15, 115–125, doi:10.3762/bjnano.15.11

Graphical Abstract
  • . The concentration ratio between zinc chloride and sodium hydroxide was assessed utilizing the chemical equation formula provided below: Upon drying, the transformation of Zn(OH)2 into ZnO was elucidated by the following equation. Characterization of ZnO NPs Then ZnO NPs were characterized using PXRD
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Published 23 Jan 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

Graphical Abstract
  • autocorrelation is superior for images containing very few unit cells. In between these extremes, there is a range where both methods work well as shown in our examples in Figure 2. The dependence of the optimal transformation for peak extraction on the image size is caused by the finite resolution of the
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Published 28 Dec 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

Graphical Abstract
  • in the “payload” on the chip may be more important. Apparently, the simplest superconducting circuit with a nonlinear flux-to-flux transformation in the classical regime is a single-contact interferometer, as depicted in the left part of Figure 1. However, the typical form of the function f for such
  • an element does not meet the aforementioned requirements. In the classical mode, it can be demonstrated [28] that the desired form of f(Φin) can be achieved by adding an inductance with a specially chosen linear flux-to-flux transformation to the interferometer, as illustrated in the right part of
  • Figure 1. At zero temperature and under quasi-adiabatic changes in the circuit’s inputs, the desired transformation (now for average values) will occur even in the quantum regime, when the spectrum of eigenvalues of the system’s Hamiltonian operator is discrete. Nevertheless, it raises the question of
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Published 21 Nov 2023

Density functional theory study of Au-fcc/Ge and Au-hcp/Ge interfaces

  • Olga Sikora,
  • Małgorzata Sternik,
  • Benedykt R. Jany,
  • Franciszek Krok,
  • Przemysław Piekarz and
  • Andrzej M. Oleś

Beilstein J. Nanotechnol. 2023, 14, 1093–1105, doi:10.3762/bjnano.14.90

Graphical Abstract
  • principles calculations of the cohesive energy and elastic constants as well as phonon dispersion relations show stability of both hcp and dhcp polytypes of gold [24]. Ab initio studies indicate higher stability of the fcc phase and a tendency towards hcp → fcc phase transformation. However, the calculated
  • differences between the polytypes are very small [14][25]. In contrast, molecular dynamics simulations of metallic nanowires show a phase transformation from fcc to hcp below a critical diameter [26]. These findings support the feasibility of obtaining new hexagonal structures under conditions where surface
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Published 15 Nov 2023

Upscaling the urea method synthesis of CoAl layered double hydroxides

  • Camilo Jaramillo-Hernández,
  • Víctor Oestreicher,
  • Martín Mizrahi and
  • Gonzalo Abellán

Beilstein J. Nanotechnol. 2023, 14, 927–938, doi:10.3762/bjnano.14.76

Graphical Abstract
  • package. The k2-weighted χ(k) data, to enhance the oscillations at higher k, were Fourier-transformed. The Fourier transformation was calculated using the sine filtering function. EXAFS modelling was carried out using the ARTEMIS software [77]. Theoretical scattering path amplitudes and phase shifts for
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Published 11 Sep 2023

Ni, Co, Zn, and Cu metal-organic framework-based nanomaterials for electrochemical reduction of CO2: A review

  • Ha Huu Do and
  • Hai Bang Truong

Beilstein J. Nanotechnol. 2023, 14, 904–911, doi:10.3762/bjnano.14.74

Graphical Abstract
  • ]. Cu nanoparticles were created during when the CuII/ade-MOFs reconstructed and act as active centers for CO2 reduction to CH4 and C2H4. Conclusion and Outlook MOFs were recognized as promising nanomaterials for the transformation of CO2 into valuable products through electrochemical processes. This
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Published 31 Aug 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

Graphical Abstract
  • 2D structure was also stabilized by both I···N halogen bonding and Ar–F···H–Py interactions (Figure 7c–e). However, the addition of coronene as a guest allowed for a transformation of the 2D structure from cross-shaped to hexagonal, where a maximum of seven coronene molecules were close-packed and
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Published 23 Aug 2023

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

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

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

Graphical Abstract
  • -like structure [30]. The Lorentz/Kratky plot (q²I vs q) is shown in Figure 7, where the peaks of NLC and NLC-BNZ remained at the same position, independently of the presence of the BNZ load. The linear correlation function was obtained by using the following transformation (Equation 1) [31][32]: where
  • Inorm is the normalized intensity after removing the myristyl myristate (i.e., MM) contribution: Inorm = INLC(q) – Ibackground – c(IMM(q) – Ibackground), c being a constant or weighted proportionality between phases. From this transformation the lamellar period obtained from the first maximum of the
  • ) and NLC-BNZ (dashed line). The inset corresponds to the linear correlation transformation for lamellar systems. In vitro release profile of free BNZ and NLC-BNZ for 24 hours. The inset graph shows the release profiles during the first three hours. Followed-up of relevant physical parameters of the
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Published 28 Jul 2023

Carboxylic acids and light interact to affect nanoceria stability and dissolution in acidic aqueous environments

  • Matthew L. Hancock,
  • Eric A. Grulke and
  • Robert A. Yokel

Beilstein J. Nanotechnol. 2023, 14, 762–780, doi:10.3762/bjnano.14.63

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  • ]. Nanoceria was partially biotransformed in cucumber plants to cerium phosphate within the roots and to cerium carboxylates in the shoots, presumably aided by carboxylic acids excreted by the roots [17]. Ceria transformation within cucumber plants was also found to be affected by phosphate, with a higher
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Published 27 Jun 2023

In situ magnesiothermic reduction synthesis of a Ge@C composite for high-performance lithium-ion batterie anodes

  • Ha Tran Huu,
  • Ngoc Phi Nguyen,
  • Vuong Hoang Ngo,
  • Huy Hoang Luc,
  • Minh Kha Le,
  • Minh Thu Nguyen,
  • My Loan Phung Le,
  • Hye Rim Kim,
  • In Young Kim,
  • Sung Jin Kim,
  • Van Man Tran and
  • Vien Vo

Beilstein J. Nanotechnol. 2023, 14, 751–761, doi:10.3762/bjnano.14.62

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  • to 1.07 for Ge/C-iM750. This indicates that the graphite structure has undergone deformation, resulting in a highly disordered carbon matrix. Such a transformation is anticipated to enhance the conductivity and to increase the number of active sites for binding lithium ions [51][52]. These results
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Published 26 Jun 2023

Current-induced mechanical torque in chiral molecular rotors

  • Richard Korytár and
  • Ferdinand Evers

Beilstein J. Nanotechnol. 2023, 14, 711–721, doi:10.3762/bjnano.14.57

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  • angular momentum conservation. The second equation describes the constrained particle dynamics if ϑ = const. Notice that the mass m vanishes, because the particle experiences inertial forces only. Transformation to dimension-less variables EOM of the rotor Substituting in Equation 22 renders the first
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Published 12 Jun 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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  • , fabrication engineering, and bio-related science (Figure 1) [51][52]. Materials synthesis by nanoarchitectonics is envisioned to integrate and use various processes [53]. For example, physical/chemical material transformation, atomic/molecular manipulation, self-assembly/self-organization, arrangement and
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Published 03 Apr 2023

Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

  • Akeem Adeyemi Oladipo and
  • Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

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Published 03 Mar 2023

Nanotechnology – a robust tool for fighting the challenges of drug resistance in non-small cell lung cancer

  • Filip Gorachinov,
  • Fatima Mraiche,
  • Diala Alhaj Moustafa,
  • Ola Hishari,
  • Yomna Ismail,
  • Jensa Joseph,
  • Maja Simonoska Crcarevska,
  • Marija Glavas Dodov,
  • Nikola Geskovski and
  • Katerina Goracinova

Beilstein J. Nanotechnol. 2023, 14, 240–261, doi:10.3762/bjnano.14.23

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Published 22 Feb 2023
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