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Search for "electromagnetic radiation" in Full Text gives 39 result(s) in Beilstein Journal of Nanotechnology.

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

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  • 0.01 to 1.0 L/min, and temperature from 25 to 55 °C. Impedance spectra were measured using AUTOLAB PGSTAT 30. The impedance cell used for measuring the samples was grounded and protected from the surrounding electromagnetic radiation. Typical parameters for EIS measurements of CuO nanowires were an
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Published 05 Jun 2023

ZnO-decorated SiC@C hybrids with strong electromagnetic absorption

  • Liqun Duan,
  • Zhiqian Yang,
  • Yilu Xia,
  • Xiaoqing Dai,
  • Jian’an Wu and
  • Minqian Sun

Beilstein J. Nanotechnol. 2023, 14, 565–573, doi:10.3762/bjnano.14.47

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  • is consistent with the effective medium theory [36]. Since the real part ε′ of the complex permittivity represents the capacity for storing electromagnetic waves and the imaginary part ε″ represents the loss of electromagnetic radiation, in general, ε′ and ε″ decrease with increasing dosage of ZnNO3
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Published 04 May 2023

The origin of black and white coloration of the Asian tiger mosquito Aedes albopictus (Diptera: Culicidae)

  • Manuela Rebora,
  • Gianandrea Salerno,
  • Silvana Piersanti,
  • Alexander Kovalev and
  • Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 496–508, doi:10.3762/bjnano.14.41

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  • may be due to pigments (e.g., melanins, carotenoids, ommochromes, and pteridins situated in the cuticle or under a transparent cuticle) [2] able to absorb visible electromagnetic radiation in a selective way, or due to various physical phenomena, such as reflection, refraction, interference
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Published 17 Apr 2023

Plasmonic nanotechnology for photothermal applications – an evaluation

  • A. R. Indhu,
  • L. Keerthana and
  • Gnanaprakash Dharmalingam

Beilstein J. Nanotechnol. 2023, 14, 380–419, doi:10.3762/bjnano.14.33

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  • inevitable reduction in the dependency on fossil fuels, global energy demand looks to solar power to be a significant provider for its needs, with various solar power conversion technologies in place and rapidly progressing [1]. Electromagnetic radiation, when interacting with a material can transfer energy
  • phenomenon of surface plasmon resonance results from the interaction between electromagnetic radiation and typically high-valence materials, leading to oscillations of the free electrons in it. The decay of these collective oscillations into heat is the plasmonic photothermal (PPT) effect. The absorption
  • films, they are propagating oscillations termed surface plasmon polaritons (SPPs)). A plasmon in LSPR can be visualized as a quasiparticle confined to the volume of the nanoparticle [27]. The resulting confinement of the absorbed incident electromagnetic radiation within the nanoparticle thus means an
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Published 27 Mar 2023

Nonlinear features of the superconductor–ferromagnet–superconductor φ0 Josephson junction in the ferromagnetic resonance region

  • Aliasghar Janalizadeh,
  • Ilhom R. Rahmonov,
  • Sara A. Abdelmoneim,
  • Yury M. Shukrinov and
  • Mohammad R. Kolahchi

Beilstein J. Nanotechnol. 2022, 13, 1155–1166, doi:10.3762/bjnano.13.97

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  • current and external electromagnetic radiation [28]. Here, using numerical and analytic approaches, we have demonstrated that at small values of the system parameters damping, spin–orbit interaction, and Josephson-to-magnetic energy ratio in φ0 junctions, magnetic dynamics is reduced to the dynamics of
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Published 21 Oct 2022

Recent advances in green carbon dots (2015–2022): synthesis, metal ion sensing, and biological applications

  • Aisha Kanwal,
  • Naheed Bibi,
  • Sajjad Hyder,
  • Arif Muhammad,
  • Hao Ren,
  • Jiangtao Liu and
  • Zhongli Lei

Beilstein J. Nanotechnol. 2022, 13, 1068–1107, doi:10.3762/bjnano.13.93

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Published 05 Oct 2022

A review on nanostructured silver as a basic ingredient in medicine: physicochemical parameters and characterization

  • Gabriel M. Misirli,
  • Kishore Sridharan and
  • Shirley M. P. Abrantes

Beilstein J. Nanotechnol. 2021, 12, 440–461, doi:10.3762/bjnano.12.36

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Published 14 May 2021

Mapping the local dielectric constant of a biological nanostructured system

  • Wescley Walison Valeriano,
  • Rodrigo Ribeiro Andrade,
  • Juan Pablo Vasco,
  • Angelo Malachias,
  • Bernardo Ruegger Almeida Neves,
  • Paulo Sergio Soares Guimarães and
  • Wagner Nunes Rodrigues

Beilstein J. Nanotechnol. 2021, 12, 139–150, doi:10.3762/bjnano.12.11

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  • property associated to the decrease of the electric force between two point charges due to the medium. Therefore, it modulates the interaction between charged particles within materials and also the interaction of electromagnetic radiation with matter. Accordingly, it plays a fundamental role in fields
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Published 28 Jan 2021

A few-layer graphene/chlorin e6 hybrid nanomaterial and its application in photodynamic therapy against Candida albicans

  • Selene Acosta,
  • Carlos Moreno-Aguilar,
  • Dania Hernández-Sánchez,
  • Beatriz Morales-Cruzado,
  • Erick Sarmiento-Gomez,
  • Carla Bittencourt,
  • Luis Octavio Sánchez-Vargas and
  • Mildred Quintana

Beilstein J. Nanotechnol. 2020, 11, 1054–1061, doi:10.3762/bjnano.11.90

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  • morphology observations. The wider absorption peak in the FLG-Ce6 hybrid nanomaterial spectrum at 640 nm corresponds to the greater probability of absorbing a photon deeper into the tissue, since the penetration depth of electromagnetic radiation increases as the wavelength increases, reaching depths up to
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Published 17 Jul 2020

Hexagonal boron nitride: a review of the emerging material platform for single-photon sources and the spin–photon interface

  • Stefania Castelletto,
  • Faraz A. Inam,
  • Shin-ichiro Sato and
  • Alberto Boretti

Beilstein J. Nanotechnol. 2020, 11, 740–769, doi:10.3762/bjnano.11.61

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  • means, such as optical reflectance and absorption, electron energy loss spectroscopy, X-ray absorption, emission, and inelastic scattering. Regarding luminescence studies, PL is the light emission, i.e., the electromagnetic radiation from matter after the absorption of photons. It is originated by
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Published 08 May 2020

Using gold nanoparticles to detect single-nucleotide polymorphisms: toward liquid biopsy

  • María Sanromán Iglesias and
  • Marek Grzelczak

Beilstein J. Nanotechnol. 2020, 11, 263–284, doi:10.3762/bjnano.11.20

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  • gold nanoparticles are their optical properties, which yield an exceptional light absorbance in the visible spectral range. This is explained by the fact that in the metallic core, the conductive electrons experience coherent oscillations in the presence of incoming electromagnetic radiation, thereby
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Published 31 Jan 2020

Abrupt elastic-to-plastic transition in pentagonal nanowires under bending

  • Sergei Vlassov,
  • Magnus Mets,
  • Boris Polyakov,
  • Jianjun Bian,
  • Leonid Dorogin and
  • Vahur Zadin

Beilstein J. Nanotechnol. 2019, 10, 2468–2476, doi:10.3762/bjnano.10.237

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  • curved pathways for electromagnetic radiation. Any crack or other discontinuities that are introduced by bending can prevent plasmon propagation in the NW [19]. Pure bending conditions are realized in the cantilever beam bending configuration where the NW is fixed at one end and the free end is pushed by
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Published 12 Dec 2019

Rapid thermal annealing for high-quality ITO thin films deposited by radio-frequency magnetron sputtering

  • Petronela Prepelita,
  • Ionel Stavarache,
  • Doina Craciun,
  • Florin Garoi,
  • Catalin Negrila,
  • Beatrice Gabriela Sbarcea and
  • Valentin Craciun

Beilstein J. Nanotechnol. 2019, 10, 1511–1522, doi:10.3762/bjnano.10.149

Graphical Abstract
  • carriers, N, the real and imaginary parts of the complex dielectric permittivity characterizes the transparency of thin films to electromagnetic radiation (see Figure 9a,b). Thus, when the imaginary part, ε'', can be neglected, the layer is transparent to electromagnetic radiation. The dependence of the
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Published 25 Jul 2019

Revisiting semicontinuous silver films as surface-enhanced Raman spectroscopy substrates

  • Malwina Liszewska,
  • Bogusław Budner,
  • Małgorzata Norek,
  • Bartłomiej J. Jankiewicz and
  • Piotr Nyga

Beilstein J. Nanotechnol. 2019, 10, 1048–1055, doi:10.3762/bjnano.10.105

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  • efficiently absorb and/or scatter visible and near infrared electromagnetic radiation [1]. The origin of the above phenomena lies in localized surface plasmon resonances (LSPR). LSPRs are light induced oscillations of free electrons in metallic nanostructures. The spectral position of an LSPR depends on the
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Published 15 May 2019
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  • electric field, E0, from linearly polarized 633 nm electromagnetic radiation propagating in a medium with refractive index of PVA (n = 1.526) [6][55]. As shown in Figure 1D, GSERS can reach values as high as 106 and consistently between 105–106, depending on the hot spot considered. Importantly, by
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Published 10 May 2019

Ultraviolet patterns of flowers revealed in polymer replica – caused by surface architecture

  • Anna J. Schulte,
  • Matthias Mail,
  • Lisa A. Hahn and
  • Wilhelm Barthlott

Beilstein J. Nanotechnol. 2019, 10, 459–466, doi:10.3762/bjnano.10.45

Graphical Abstract
  • also be considered that the cuticle will interact with many different environmental influences, for example, wetting, contamination, and electromagnetic radiation [3][4] as well. Ultraviolet (UV) radiation in the wavelength range 280–380 nm is particularly crucial for plants, for example, when
  • electromagnetic radiation into the petals. They also support the assumption that the transmission of UV-light into the petal and replica is also supported by the surface structure. Therefore, even if the pigments essentially cause the UV-patterns in petals, the surface structure at the petal adaxial surface also
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Published 13 Feb 2019

Hybrid Au@alendronate nanoparticles as dual chemo-photothermal agent for combined cancer treatment

  • Anouchka Plan Sangnier,
  • Romain Aufaure,
  • Laurence Motte,
  • Claire Wilhelm,
  • Erwann Guenin and
  • Yoann Lalatonne

Beilstein J. Nanotechnol. 2018, 9, 2947–2952, doi:10.3762/bjnano.9.273

Graphical Abstract
  • resonance leading to strong enhancement of the absorption and scattering when exposed to electromagnetic radiation [21]. Due to this plasmonic absorption, light is converted to heat [22][23][24][25][26]. Photothermal therapy (PTT) is a powerful cancer-treatment technique. Gold NPs have to be activated
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Published 27 Nov 2018

Enhanced antineoplastic/therapeutic efficacy using 5-fluorouracil-loaded calcium phosphate nanoparticles

  • Shanid Mohiyuddin,
  • Saba Naqvi and
  • Gopinath Packirisamy

Beilstein J. Nanotechnol. 2018, 9, 2499–2515, doi:10.3762/bjnano.9.233

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  • infrared electromagnetic radiation induced dipole moment of the molecules is used to provide information on the functional group. We demonstrated that phosphate ester (with a signature peak at 1300–1240 cm−1) having a characteristic P=O stretch was found in the both CaP@5-FU NPs and CaP NPs with drug
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Published 20 Sep 2018

Light–Matter interactions on the nanoscale

  • Mohsen Rahmani and
  • Chennupati Jagadish

Beilstein J. Nanotechnol. 2018, 9, 2125–2127, doi:10.3762/bjnano.9.201

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  • graphene with electromagnetic radiation is fascinating due to the two-dimensional confinement of electrons and the exceptional band structure of graphene. Graphene has a simple band structure with zero band gap, but its optical response is nontrivial. Subsequently, other two-dimensional (2D) materials
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Published 10 Aug 2018

Electromigrated electrical optical antennas for transducing electrons and photons at the nanoscale

  • Arindam Dasgupta,
  • Mickaël Buret,
  • Nicolas Cazier,
  • Marie-Maxime Mennemanteuil,
  • Reinaldo Chacon,
  • Kamal Hammani,
  • Jean-Claude Weeber,
  • Juan Arocas,
  • Laurent Markey,
  • Gérard Colas des Francs,
  • Alexander Uskov,
  • Igor Smetanin and
  • Alexandre Bouhelier

Beilstein J. Nanotechnol. 2018, 9, 1964–1976, doi:10.3762/bjnano.9.187

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  • than the quantum of conductance G0 in accordance with the standard description of electromagnetic radiation produced in metal–insulator–metal devices. However, when the gap is small (few angstroms) and G approaches G0, the energy of the photons exceeds the energy of the electrons provided by the bias
  • reverse transduction whereby an incoming electromagnetic radiation is rectified to produce an electrical current flowing in the circuitry [23][26]. The interfacing of electron-fed optical antenna with an optical rectenna may thus open a new era for on-chip communication between distant nanometer-scale
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Published 11 Jul 2018

Excitation of nonradiating magnetic anapole states with azimuthally polarized vector beams

  • Aristeidis G. Lamprianidis and
  • Andrey E. Miroshnichenko

Beilstein J. Nanotechnol. 2018, 9, 1478–1490, doi:10.3762/bjnano.9.139

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  • ; Introduction The triumph of Maxwell’s equations is associated with the unification of electric and magnetic phenomena on the same footing, which has led to the prediction of existence of an electromagnetic radiation, which can carry energy and momentum. As it is explained in all classical textbooks [1], any
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Published 17 May 2018

New 2D graphene hybrid composites as an effective base element of optical nanodevices

  • Olga E. Glukhova,
  • Igor S. Nefedov,
  • Alexander S. Shalin and
  • Мichael М. Slepchenkov

Beilstein J. Nanotechnol. 2018, 9, 1321–1327, doi:10.3762/bjnano.9.125

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  • composite as an interface have been considered. Assuming a plane-wave solution, Maxwell's equations can be written in the form where E and H are the electric and the magnetic field strength, respectively, k is the wave vector and ω is the frequency of the incident electromagnetic radiation. The following
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Published 30 Apr 2018

Review on nanoparticles and nanostructured materials: history, sources, toxicity and regulations

  • Jaison Jeevanandam,
  • Ahmed Barhoum,
  • Yen S. Chan,
  • Alain Dufresne and
  • Michael K. Danquah

Beilstein J. Nanotechnol. 2018, 9, 1050–1074, doi:10.3762/bjnano.9.98

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  • example of the nanoparticulate origin in planetary system objects other than stars [45]. Different types of NMs are present throughout the universe which are mixed, sorted and modified into several forms. Electromagnetic radiation, pressure gradients, dramatic temperature, physical collisions and shock
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Published 03 Apr 2018

Refractive index sensing and surface-enhanced Raman spectroscopy using silver–gold layered bimetallic plasmonic crystals

  • Somi Kang,
  • Sean E. Lehman,
  • Matthew V. Schulmerich,
  • An-Phong Le,
  • Tae-woo Lee,
  • Stephen K. Gray,
  • Rohit Bhargava and
  • Ralph G. Nuzzo

Beilstein J. Nanotechnol. 2017, 8, 2492–2503, doi:10.3762/bjnano.8.249

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  • are excited by electromagnetic radiation incident at a metal/dielectric interface. This results in an evanescent decaying electric field that extends from the metal surface for ≈100–200 nm (surface plasmon polaritons), or it can also manifest as a localized surface plasmon resonance at the surface of
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Published 24 Nov 2017

Streptavidin-coated gold nanoparticles: critical role of oligonucleotides on stability and fractal aggregation

  • Roberta D'Agata,
  • Pasquale Palladino and
  • Giuseppe Spoto

Beilstein J. Nanotechnol. 2017, 8, 1–11, doi:10.3762/bjnano.8.1

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  • context, it has been shown that AuNPs can be also employed to enhance responses from SPR experiments aimed at detecting biomolecular interactions occurring at a flat metal–solution interface. Such SPR experiments are designed to reveal changes in conditions required to couple electromagnetic radiation to
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Published 02 Jan 2017
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