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Search for "phenomenon" in Full Text gives 566 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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

Graphical Abstract
  • finest details of the tip, researchers can glean insights into the tip’s topography and assess its wear. The image obtained from AFM is influenced by the morphology of the tip, leading to a deviation from the actual sample topography and an “expansion” effect in the scanned image. This phenomenon is
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Published 14 Feb 2024

Exploring disorder correlations in superconducting systems: spectroscopic insights and matrix element effects

  • Vyacheslav D. Neverov,
  • Alexander E. Lukyanov,
  • Andrey V. Krasavin,
  • Alexei Vagov,
  • Boris G. Lvov and
  • Mihail D. Croitoru

Beilstein J. Nanotechnol. 2024, 15, 199–206, doi:10.3762/bjnano.15.19

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  • correlation enlarges the localization length. The observed phenomenon of localization length plays a pivotal role in elucidating the spectral gap characteristics under conditions of substantial disorder. This relationship is particularly evident when considering the spectral gap behavior under significant
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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

Graphical Abstract
  • the dissociated products of residual water molecules was not provided. An emission of charged Si and O ions from the SiO2 surface upon electron exposure was studied in the 1990s. This phenomenon, known as electron-stimulated desorption (ESD) was observed in UHV conditions by Baragiola et al. [25] and
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Published 07 Feb 2024

Modification of graphene oxide and its effect on properties of natural rubber/graphene oxide nanocomposites

  • Nghiem Thi Thuong,
  • Le Dinh Quang,
  • Vu Quoc Cuong,
  • Cao Hong Ha,
  • Nguyen Ba Lam and
  • Seiichi Kawahara

Beilstein J. Nanotechnol. 2024, 15, 168–179, doi:10.3762/bjnano.15.16

Graphical Abstract
  • dissipation while applying force than DPNR/GO-VTES(a) and DPNR. The loss tangent (tan δ) is defined as a G''/G' ratio. The dependence of tan δ with frequency for DPNR/GO samples was quite similar to that of DPNR, in which tan δ decreased as frequency decreased. This phenomenon is appointed to the pure
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Published 05 Feb 2024

Enhanced feedback performance in off-resonance AFM modes through pulse train sampling

  • Mustafa Kangül,
  • Navid Asmari,
  • Santiago H. Andany,
  • Marcos Penedo and
  • Georg E. Fantner

Beilstein J. Nanotechnol. 2024, 15, 134–143, doi:10.3762/bjnano.15.13

Graphical Abstract
  • led to a significant increase in the achievable ORT frequency [24]. The other speed-limiting factor is the snap-off ringing of the cantilever, especially for applications in air and vacuum [27]. Although this physical phenomenon can be used to extract material properties [28], it slows down the
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Published 01 Feb 2024

Development and characterization of potential larvicidal nanoemulsions against Aedes aegypti

  • Jonatas L. Duarte,
  • Leonardo Delello Di Filippo,
  • Anna Eliza Maciel de Faria Mota Oliveira,
  • Rafael Miguel Sábio,
  • Gabriel Davi Marena,
  • Tais Maria Bauab,
  • Cristiane Duque,
  • Vincent Corbel and
  • Marlus Chorilli

Beilstein J. Nanotechnol. 2024, 15, 104–114, doi:10.3762/bjnano.15.10

Graphical Abstract
  • myrcene, which could also enhance its release rate (Table 3). Previous research supports the fact that monoterpenes exhibit slower release than other drugs from delivery nanosystems [41]. This phenomenon can be explained by the higher surfactant/oil solubility, which leads to a stronger affinity to the
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Published 18 Jan 2024

New application of bimetallic Ag/Pt nanoplates in a colorimetric biosensor for specific detection of E. coli in water

  • Azam Bagheri Pebdeni,
  • Mohammad N. AL-Baiati and
  • Morteza Hosseini

Beilstein J. Nanotechnol. 2024, 15, 95–103, doi:10.3762/bjnano.15.9

Graphical Abstract
  • H2O2 to validate the phenomenon, and no alterations in color were detected, as shown in Figure 2 (light blue color curve). These findings showed that E. coli lacked peroxidase activity. However, the introduction of bacteria in the catalytic aptasensor can enhance the creation of the blue product. The
  • resultant agent is generated by the specific binding of the aptamer to the surface of the bacteria and the accumulation of numerous biosensors around the target leads to an increase in the intensity of the blue color. As a result, we attempted to explain the phenomenon and used it to develop a biosensor for
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Published 17 Jan 2024

Influence of conductive carbon and MnCo2O4 on morphological and electrical properties of hydrogels for electrochemical energy conversion

  • Sylwia Pawłowska,
  • Karolina Cysewska,
  • Yasamin Ziai,
  • Jakub Karczewski,
  • Piotr Jasiński and
  • Sebastian Molin

Beilstein J. Nanotechnol. 2024, 15, 57–70, doi:10.3762/bjnano.15.6

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  • . The phenomenon in which hydrogels swell in water while not dissolving in it is due to hydrophilic functional groups attached to the polymer backbone and cross-links between the network chains. High water content makes hydrogel materials similar in terms of microstructure and flexibility to living
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Published 11 Jan 2024

Nanoarchitectonics of photothermal materials to enhance the sensitivity of lateral flow assays

  • Elangovan Sarathkumar,
  • Rajasekharan S. Anjana and
  • Ramapurath S. Jayasree

Beilstein J. Nanotechnol. 2023, 14, 988–1003, doi:10.3762/bjnano.14.82

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  • nanoparticles are exposed to light of a specific wavelength, they undergo coherent oscillation of surface electrons, leading to the production of thermal energy and enhanced electromagnetic signals. This phenomenon is known as localized surface plasmon resonance (LSPR), which has been recognized as a reliable
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Published 04 Oct 2023

Isolation of cubic Si3P4 in the form of nanocrystals

  • Polina K. Nikiforova,
  • Sergei S. Bubenov,
  • Vadim B. Platonov,
  • Andrey S. Kumskov,
  • Nikolay N. Kononov,
  • Tatyana A. Kuznetsova and
  • Sergey G. Dorofeev

Beilstein J. Nanotechnol. 2023, 14, 971–979, doi:10.3762/bjnano.14.80

Graphical Abstract
  • [11]. Notwithstanding, the theoretically predicted maximum at 4 eV was appropriately reproduced in the absorption spectrum. The samples synthesized at 400, 670, and 900 °C including SP670 pre-an. have a similar crystal structure; they differ, however, in the Si/P elemental ratio. This phenomenon might
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Published 26 Sep 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
  • alkyl chains contribute to the adsorption onto HOPG, in some cases, the number of adsorbed alkyl chains in 2D molecular networks is small compared to the number of alkyl chains originally present in the adsorbate molecule. This phenomenon has been explained by the dangling of alkyl chains toward the
  • a blend ratio of OCn:CCn = 1:3. This phenomenon could be explained by the relatively weak adsorption interactions of the semi-fluoroalkyl chains onto the HOPG surface compared to those of normal alkyl chains. Owing to the dark contrast in the STM image, the existence and location of homogeneous
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Published 23 Aug 2023

Biomimetics on the micro- and nanoscale – The 25th anniversary of the lotus effect

  • Matthias Mail,
  • Kerstin Koch,
  • Thomas Speck,
  • William M. Megill and
  • Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 850–856, doi:10.3762/bjnano.14.69

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  • inspire numerous publications and technical developments [2]. Although the phenomenon of the outstanding water repellence of some plant surfaces had been known for over 2000 years, the functional principle behind it and the detailed physicochemistry of superhydrophobic biological surfaces had remained
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Published 03 Aug 2023

Ultralow-energy amorphization of contaminated silicon samples investigated by molecular dynamics

  • Grégoire R. N. Defoort-Levkov,
  • Alan Bahm and
  • Patrick Philipp

Beilstein J. Nanotechnol. 2023, 14, 834–849, doi:10.3762/bjnano.14.68

Graphical Abstract
  • during the Ar ion bombardment near the sample surface. Oxygen and silicon exhibit a particularly strong interaction [35][36], and partial charges contribute significantly to the bond energy. ReaxFF potentials can describe this phenomenon and allow one to simulate the response of the sample bombarded with
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Published 01 Aug 2023

A wearable nanoscale heart sound sensor based on P(VDF-TrFE)/ZnO/GR and its application in cardiac disease detection

  • Yi Luo,
  • Jian Liu,
  • Jiachang Zhang,
  • Yu Xiao,
  • Ying Wu and
  • Zhidong Zhao

Beilstein J. Nanotechnol. 2023, 14, 819–833, doi:10.3762/bjnano.14.67

Graphical Abstract
  • mechanical vibration signals into voltage signals, have become one of the primary materials for creating heart sound sensors [9]. Piezoelectric materials are essential components in heart sound auscultation equipment. When pressure is applied to piezoelectric materials, they generate a voltage, a phenomenon
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Published 31 Jul 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
  • profiles (Figure 8) showed that 78% of the free drug was dissolved in the first 15 min of the experiment. In contrast, during the first 15 min only about 12% of the drug was released from the NLC formulation. An initial burst release was observed, followed by a sustained release. This phenomenon could be
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Published 28 Jul 2023

Silver-based SERS substrates fabricated using a 3D printed microfluidic device

  • Phommachith Sonexai,
  • Minh Van Nguyen,
  • Bui The Huy and
  • Yong-Ill Lee

Beilstein J. Nanotechnol. 2023, 14, 793–803, doi:10.3762/bjnano.14.65

Graphical Abstract
  • , promoting the formation of larger particles. This phenomenon explains the observed color change from yellow to greenish after three weeks, as illustrated in Figure S8 (Supporting Information File 1) [50][51]. NaBH4 is a relatively potent reducing agent that can reduce Ag+. At higher concentrations of NaBH4
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Published 21 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

Graphical Abstract
  • glucose oxidase, suggesting the use of this phenomenon as a colorimetric sensor for bioanalysis [49]. This color transition is an important observation since nanoceria degradation will likely result in the change in oxidation state of surface cerium ions from Ce4+ to Ce3+. Results and Discussion Nanoceria
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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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  • and ionic conductivity, which was further analyzed using rate performance and EIS results. Figure 5b shows the rate performance of the Ge@C electrodes at different specific currents. The common phenomenon of capacity reduction at increasing specific currents is observed in all electrodes. However, the
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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

Graphical Abstract
  • crossover between both regimes. To exemplify our results, we employ a helical geometry. Helical molecular wires have sparked a lot of attention because of reports of spin-selective transport [16][17][18]. This phenomenon falls under the umbrella term “chirality-induced spin selectivity (CISS)”. The full
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Published 12 Jun 2023

Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review

  • Akeem Adeyemi Oladipo,
  • Saba Derakhshan Oskouei and
  • Mustafa Gazi

Beilstein J. Nanotechnol. 2023, 14, 631–673, doi:10.3762/bjnano.14.52

Graphical Abstract
  • preserved. In contrast, phosphorescence is a separate phenomenon. The electron spin is inverted (spin-forbidden) as a result of a rapid (femto- to microseconds) intersystem crossing from a singlet S1 to an energetically advantageous excited triplet T1 state. After a long delay (a few milliseconds to a few
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Published 01 Jun 2023

Thermal transport in kinked nanowires through simulation

  • Alexander N. Robillard,
  • Graham W. Gibson and
  • Ralf Meyer

Beilstein J. Nanotechnol. 2023, 14, 586–602, doi:10.3762/bjnano.14.49

Graphical Abstract
  • disparity between the conductance estimate and the true kinked wires shows that this is a contributing phenomenon. Phonon Monte Carlo and Fourier equation We believed that a significant decrease in the thermal conductance of the wires would occur corresponding primarily to the reduced number of straight
  • range, setting the extreme low and high values in the bends and knee corners to grey. This allows the colour scale to span the range in the angled segments with higher resolution at the cost of hiding the highest and lowest values. In so doing, a clear and unique phenomenon emerges in the PMC result for
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Published 15 May 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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  • account for this phenomenon. Actually, the dielectric relaxation process of electromagnetic waves in the SCZ samples can be well explained by the Debye theory [37]. According to this theory, the relationship between ε′ and ε″ can be expressed as: where εs and ε∞ are the static and relative the dielectric
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Published 04 May 2023

SERS performance of GaN/Ag substrates fabricated by Ag coating of GaN platforms

  • Magdalena A. Zając,
  • Bogusław Budner,
  • Malwina Liszewska,
  • Bartosz Bartosewicz,
  • Łukasz Gutowski,
  • Jan L. Weyher and
  • Bartłomiej J. Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 552–564, doi:10.3762/bjnano.14.46

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  • substrates show a strong absorption of light in the visible range, which is related to the phenomenon of surface plasmon resonance (SPR). The strongly nanoscale-rough surface causes a significant extension of the spectral range of SPR in comparison to thin silver layers. Based on the comparison of the light
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Published 03 May 2023

Observation of multiple bulk bound states in the continuum modes in a photonic crystal cavity

  • Rui Chen,
  • Yi Zheng,
  • Xingyu Huang,
  • Qiaoling Lin,
  • Chaochao Ye,
  • Meng Xiong,
  • Martijn Wubs,
  • Yungui Ma,
  • Minhao Pu and
  • Sanshui Xiao

Beilstein J. Nanotechnol. 2023, 14, 544–551, doi:10.3762/bjnano.14.45

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  • designed cavities under Gaussian beam illumination with different positions was carried out. To generally demonstrate this phenomenon, four representative excitation positions, that is, e1(0, 0), e2(0, 2 μm), e3(0, 4 μm), and e4(2 μm, 2 μm), in the eighth symmetry area of the cavity are considered in the
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Published 27 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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  • A. R. Indhu L. Keerthana Gnanaprakash Dharmalingam Plasmonic Nanomaterials Laboratory, PSG Institute of Advanced Studies, Coimbatore-641004, India 10.3762/bjnano.14.33 Abstract The application of plasmonic nanoparticles is motivated by the phenomenon of surface plasmon resonance. Owing to the
  • 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
  • mentioned in Equation 10. A broad absorption of wavelengths is a reinforcing attribute of plasmonic materials for PT applications. However, increased broadening is associated with a reduced absorbance due to an increased scattering of the plasmon oscillations. An important phenomenon that broadens the
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Published 27 Mar 2023
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