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Search for "tension" in Full Text gives 174 result(s) in Beilstein Journal of Nanotechnology.

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

Graphical Abstract
  • for the preparation of the abovementioned semiconductor-based aeromaterials. Most of these aeromaterials have been produced by hydride vapor phase epitaxy (HVPE) [11][12][13][14][15][16][17][18]. Particularly, an aero-ZnS material exhibiting hydrophilic properties under tension and hydrophobic
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Published 02 May 2024

Investigating ripple pattern formation and damage profiles in Si and Ge induced by 100 keV Ar+ ion beam: a comparative study

  • Indra Sulania,
  • Harpreet Sondhi,
  • Tanuj Kumar,
  • Sunil Ojha,
  • G R Umapathy,
  • Ambuj Mishra,
  • Ambuj Tripathi,
  • Richa Krishna,
  • Devesh Kumar Avasthi and
  • Yogendra Kumar Mishra

Beilstein J. Nanotechnol. 2024, 15, 367–375, doi:10.3762/bjnano.15.33

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  • Harper [31] based on morphological effects of IBS. The height h(x, y, t) of the sputtered surface can be described by a linear equation (Equation 1): where ν0 is the constant erosion velocity, ν is the effective surface tension, and D denotes the surface diffusion which is activated by different physical
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Published 05 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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  • tension. Other factors such as doping, defects, or stacking were shown to lead to large changes of ΔωA−E [44][46][49]. In summary, the value of ΔωA−E is clearly and significantly sample-dependent. Consequently, ΔωA−E cannot be considered as a definitive criterion to derive the number of layers in any of
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Published 07 Mar 2024

Ultrasensitive and ultrastretchable metal crack strain sensor based on helical polydimethylsiloxane

  • Shangbi Chen,
  • Dewen Liu,
  • Weiwei Chen,
  • Huajiang Chen,
  • Jiawei Li and
  • Jinfang Wang

Beilstein J. Nanotechnol. 2024, 15, 270–278, doi:10.3762/bjnano.15.25

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  • Figure S1 (Supporting Information File 1). These cracks serve to separate the conductive medium of the metal layer from the PDMS substrate, thereby influencing the width of the conductive tunnels and the mode of conduction. Widening of the cracks and a decrease of conductive paths occur when tension is
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Published 01 Mar 2024

Design, fabrication, and characterization of kinetic-inductive force sensors for scanning probe applications

  • August K. Roos,
  • Ermes Scarano,
  • Elisabet K. Arvidsson,
  • Erik Holmgren and
  • David B. Haviland

Beilstein J. Nanotechnol. 2024, 15, 242–255, doi:10.3762/bjnano.15.23

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  • longitudinal surface strain, with the long segments of the nanowire oriented parallel to the x axis. The nanowire will thus experience compression or tension as the tip deflects in positive or negative z direction, respectively. We can then vary b and l of the triangular cantilever to increase the strain for a
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Published 15 Feb 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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  • metabolites), flexibility with high mechanical strength, chemical and thermal resistance, high rate of reversible fluid absorption, and low interfacial tension with water [6][7]. A very desirable property of hydrogels is the ability to incorporate or suspend various particles in their structure, such as dyes
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Published 11 Jan 2024

Sulfur nanocomposites with insecticidal effect for the control of Bactericera cockerelli

  • Lany S. Araujo-Yépez,
  • Juan O. Tigrero-Salas,
  • Vicente A. Delgado-Rodríguez,
  • Vladimir A. Aguirre-Yela and
  • Josué N. Villota-Méndez

Beilstein J. Nanotechnol. 2023, 14, 1106–1115, doi:10.3762/bjnano.14.91

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  • rosemary essential oil. Ethanol used during synthesis acts as a cosurfactant. Because of its amphiphilic properties with a hydrocarbon chain and a hydroxy group it can reduce the interfacial tension between the two immiscible phases [39][40]. The size of the NCMPs depends on the concentration of eucalyptus
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Published 17 Nov 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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  • ), extending halfway up or down the fiber diameter on opposing ends. This creates a shear plane that readily splits the fiber under slight tension, exposing internal surfaces that can be probed with AFM. Notches were obtained using a gallium ion beam inside an FEI NanoV600 dual beam system, with ion beam
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Published 05 Oct 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

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  • lower the interfacial tension between oil and aqueous phase. For the synthesis of Ag NPs, 20 mL of AgNO3 and 20 mL of TCD were mixed in a 1:3 molar ratio to form the reactant solution, designated as solution (a). 20 mL of NaBH4 and NaOH were mixed in a 1:3 molar ratio, designated as solution (b). Two
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Published 21 Jul 2023

Polymer nanoparticles from low-energy nanoemulsions for biomedical applications

  • Santiago Grijalvo and
  • Carlos Rodriguez-Abreu

Beilstein J. Nanotechnol. 2023, 14, 339–350, doi:10.3762/bjnano.14.29

Graphical Abstract
  • first fractionated into droplets. This process implies an increase in specific surface area A with an associated theoretical energy penalty (Et) expressed as where γ is the O/W interfacial tension, ϕ is the volume fraction of the dispersed phase, and dE is the droplet diameter in the emulsion. In the so
  • decreased with O/S ratio. The hydrodynamic diameter of the nanoemulsion droplets as measured by dynamic light scattering (DLS) was ca. 200 nm. It should be pointed out that ethyl acetate is a polar oil, and that the ethyl acetate/water interfacial tension is low (6.8 mN/m [41]). Usually, the excess
  • interfacial concentration of the surfactant is lower for polar oils with low interfacial tension than for nonpolar oils [42], which is one of the causes that the actual droplet sizes are higher than those estimated from Equation 2. The ethyl cellulose nanoparticles obtained from these nanoemulsions after
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Published 13 Mar 2023

Overview of mechanism and consequences of endothelial leakiness caused by metal and polymeric nanoparticles

  • Magdalena Lasak and
  • Karol Ciepluch

Beilstein J. Nanotechnol. 2023, 14, 329–338, doi:10.3762/bjnano.14.28

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  • vasoconstrictions factors (e.g., thromboxane, prostaglandin, and endothelin-1), regulating vessel tension and, thus, blood flow and pressure [4][5][6][7][8]. The endothelium also produces mediators involved in angiogenic processes (e.g., vascular endothelial growth factor (VEGF) and fibroblast growth factor (FGF
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Published 08 Mar 2023

Batch preparation of nanofibers containing nanoparticles by an electrospinning device with multiple air inlets

  • Dong Wei,
  • Chengwei Ye,
  • Adnan Ahmed and
  • Lan Xu

Beilstein J. Nanotechnol. 2023, 14, 141–150, doi:10.3762/bjnano.14.15

Graphical Abstract
  • force (Ph) caused by the fluctuation height of spinning solution, surface tension (Ps) of the spinning solution, and electric field force (PE) produced by the applied voltage. These forces determine whether a jet could be formed at point A. The polymer fluid surface tension would make the liquid surface
  • density of spinning solution (kg/m3), g is the gravitational acceleration (m/s2), h is the fluctuation height of the polymer spinning solution (m), γ is the surface tension coefficient of the spinning solution (N/m), ε0 is vacuum dielectric constant, E0 is the edge electric field intensity (V/m), Ep is
  • surface tension (Ps), unstable fluctuation on the free surface of solution easily occurs, thus significantly increasing the probability of multijet formation [25][26]. In order to study further the electric field forces on the spinning solution surface under different voltages, the electric field
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Published 23 Jan 2023

In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles

  • Mitzi J. Ramírez-Hernández,
  • Mario Valera-Zaragoza,
  • Omar Viñas-Bravo,
  • Ariana A. Huerta-Heredia,
  • Miguel A. Peña-Rico,
  • Erick A. Juarez-Arellano,
  • David Paniagua-Vega,
  • Eduardo Ramírez-Vargas and
  • Saúl Sánchez-Valdes

Beilstein J. Nanotechnol. 2022, 13, 1505–1519, doi:10.3762/bjnano.13.124

Graphical Abstract
  • at (a) 1746 cm−1 corresponding to the symmetric tension and deformation in the N–O plane; (b) 1360 cm−1, (c) 1284 cm−1, and (d) 1230 cm−1 related to the asymmetric tension of N–O; (e) 800 and (f) 732 cm−1 related to the deformation and oscillation in the N–O plane. The following bands are found in
  • flavonoids, terpenes, tannins, and gallic acid; 1230 cm−1 corresponds to the tension of tertiary alcohols and flavonoids; 1026 cm−1 is related to C–O vibration in tannins and flavonoids; and 918 cm−1, 865 cm−1, and 705 cm−1 correspond to out-of-plane C–H vibration in gallic acid and catechin. According to
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Published 13 Dec 2022

Frequency-dependent nanomechanical profiling for medical diagnosis

  • Santiago D. Solares and
  • Alexander X. Cartagena-Rivera

Beilstein J. Nanotechnol. 2022, 13, 1483–1489, doi:10.3762/bjnano.13.122

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  • tension. These additional multidimensional biophysical parameters could be inferred from the AFM spectroscopy data as well, and could be correlated with the frequency-dependent nanomechanical parameters previously described to provide richer mechanistic knowledge of the genesis of a complex disease and
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Published 09 Dec 2022

Dry under water: air retaining properties of large-scale elastomer foils covered with mushroom-shaped surface microstructures

  • Matthias Mail,
  • Stefan Walheim,
  • Thomas Schimmel,
  • Wilhelm Barthlott,
  • Stanislav N. Gorb and
  • Lars Heepe

Beilstein J. Nanotechnol. 2022, 13, 1370–1379, doi:10.3762/bjnano.13.113

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  • the surface tension of water, cos θ is the water contact angle of poly(vinylsiloxane) which was assumed to be 95°, and ρw = 997 kg/m3 the density of water, and g the gravitational acceleration. The reduced bubble lifetime for h > hmax whereas Vi is the initial volume of the air layer, with Ai the
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Published 21 Nov 2022

Straight roads into nowhere – obvious and not-so-obvious biological models for ferrophobic surfaces

  • Wilfried Konrad,
  • Christoph Neinhuis and
  • Anita Roth-Nebelsick

Beilstein J. Nanotechnol. 2022, 13, 1345–1360, doi:10.3762/bjnano.13.111

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  • so far as air layers are observed to form in liquids of diverse chemical compositions, including organic solvents and oils, which show a wide variety of surface tension values and contact angles with respect to the skin [3][21]. This “omniphobic” property allows the Collembola to live in areas of
  • soil or water bodies that contain a high concentration of organic liquids that are, for instance, the product of decay processes and may reduce considerably the surface tension of water. In addition, the plastron is able to withstand external pressure exceeding 0.4 MPa. The air, which is not able to
  • interface are in equilibrium, the Young–Laplace equation [50] states that the difference between liquid pressure pl and gas pressure pg is counterbalanced by the surface tension term 2σH, according to σ denotes the surface tension and H the mean curvature of the gas/liquid interface. If pl and pg are
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Published 17 Nov 2022

Temperature and chemical effects on the interfacial energy between a Ga–In–Sn eutectic liquid alloy and nanoscopic asperities

  • Yujin Han,
  • Pierre-Marie Thebault,
  • Corentin Audes,
  • Xuelin Wang,
  • Haiwoong Park,
  • Jian-Zhong Jiang and
  • Arnaud Caron

Beilstein J. Nanotechnol. 2022, 13, 817–827, doi:10.3762/bjnano.13.72

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  • interfacial energies between a eutectic Ga–In–Sn liquid alloy and single nanoscopic asperities of SiOx, Au, and PtSi have been determined in the temperature range between room temperature and 90 °C by atomic force spectroscopy. For all asperities used here, we find that the interfacial tension of the eutectic
  • liquid metals strongly depend on their surface and interfacial properties. The surface tension of room-temperature-liquid Ga-based alloys has been reported to be lowered by a thin surface oxide layer [8]. In [9], the authors electrochemically controlled the growth and removal of gallium oxide to tune the
  • surface tension of liquid gallium. Oxygen is a surface-active substance whose effect on surface tension has been investigated for various liquid metals [10]. In metallic alloys, surface segregation has also been observed, where an element with a higher oxygen affinity enriches at the surface to form an
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Published 23 Aug 2022

Effects of substrate stiffness on the viscoelasticity and migration of prostate cancer cells examined by atomic force microscopy

  • Xiaoqiong Tang,
  • Yan Zhang,
  • Jiangbing Mao,
  • Yuhua Wang,
  • Zhenghong Zhang,
  • Zhengchao Wang and
  • Hongqin Yang

Beilstein J. Nanotechnol. 2022, 13, 560–569, doi:10.3762/bjnano.13.47

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  • factors, but also provides a suitable mechanical environment for cells, including physical signals such as substrate stiffness, hydrostatic pressure, shear stress, strain, pressure, and tension [7][8][9]. These mechanical factors play an important role in regulating normal cellular physiological functions
  • , maturation, and myosin contraction has been found to be an important factor in cell migration [30][31][32]. Cytoskeletal myosins drive cell contraction and enhance the longitudinal tension of the cell causing the cell to contract in the direction of cell migration, resulting in the displacement of the entire
  • themselves are closely related to differences in their extracellular environment, which are determined by the tension and structural organisation of the cytoskeleton [33][34]. From the results of our study it is clear that the control cells are more sensitive to stiffness in terms of their increased
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Published 28 Jun 2022

Effect of sample treatment on the elastic modulus of locust cuticle obtained by nanoindentation

  • Chuchu Li,
  • Stanislav N. Gorb and
  • Hamed Rajabi

Beilstein J. Nanotechnol. 2022, 13, 404–410, doi:10.3762/bjnano.13.33

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  • to the treatment procedure, cuticle properties can also be influenced by the testing method [10]. There are significant differences between the elastic moduli of cuticle specimens tested in bending, nanoindentation, tension, and uniaxial compression [10]. This raises the question whether results
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Published 22 Apr 2022

Micro- and nanotechnology in biomedical engineering for cartilage tissue regeneration in osteoarthritis

  • Zahra Nabizadeh,
  • Mahmoud Nasrollahzadeh,
  • Hamed Daemi,
  • Mohamadreza Baghaban Eslaminejad,
  • Ali Akbar Shabani,
  • Mehdi Dadashpour,
  • Majid Mirmohammadkhani and
  • Davood Nasrabadi

Beilstein J. Nanotechnol. 2022, 13, 363–389, doi:10.3762/bjnano.13.31

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Published 11 Apr 2022

Systematic studies into uniform synthetic protein nanoparticles

  • Nahal Habibi,
  • Ava Mauser,
  • Jeffery E. Raymond and
  • Joerg Lahann

Beilstein J. Nanotechnol. 2022, 13, 274–283, doi:10.3762/bjnano.13.22

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  • used for all jetting experiments. This inclusion of ethanol decreased the dielectric constant and surface tension of the solution. The exception was insulin- and mucin-based SPNPs, which were manufactured as described in the Materials section. Furthermore, a homobifunctional amine-reactive macromer
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Published 28 Feb 2022

Effects of drug concentration and PLGA addition on the properties of electrospun ampicillin trihydrate-loaded PLA nanofibers

  • Tuğba Eren Böncü and
  • Nurten Ozdemir

Beilstein J. Nanotechnol. 2022, 13, 245–254, doi:10.3762/bjnano.13.19

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  • critical component of the bacterial cell walls [9]. 1,1,1,3,3,3-Hexafluoro-2-propanol (HFIP) was used as solvent in the study. It is preferred due to its sufficiently low surface tension, sufficiently high dielectric constant, and volatility [10]. The aim of this study was to produce and characterize
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Published 21 Feb 2022

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

  • Senuri Kumarage,
  • Imalka Munaweera and
  • Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

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  • through this high voltage. Hence, a potential gradient is built up between the polymer droplet at the tip of the spinneret and the ground collector. When the voltage is gradually increased, the hemispherical droplet will transform into a cone, the so-called “Taylor cone”, in which surface tension is
  • dominant. When the voltage is high enough for the electrostatic forces of the Taylor cone to overcome the surface tension and viscous force, jet initiation happens, and a polymer jet will reach the ground collector completing the circuit. Polymers with high molecular weight will form ultrafine fibers due
  • results are obtained after changes of parameters. 3.1 Process parameters 3.1.1 Applied voltage. The applied voltage is one of the most critical parameters that affect fiber morphology. The applied voltage aids the polymer to overcome its surface tension and form the polymer jet. After forming the Taylor
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Published 31 Jan 2022

Tin dioxide nanomaterial-based photocatalysts for nitrogen oxide oxidation: a review

  • Viet Van Pham,
  • Hong-Huy Tran,
  • Thao Kim Truong and
  • Thi Minh Cao

Beilstein J. Nanotechnol. 2022, 13, 96–113, doi:10.3762/bjnano.13.7

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  • SnO2, TiO2, and CuInS2 using an automated spray pyrolysis method, which is particularly beneficial for air cleaning applications. This work showed that the surface tension of the material surface directly impacts the photocatalytic activity under humid conditions. Furthermore, introducing CuInS2
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Published 21 Jan 2022

Sputtering onto liquids: a critical review

  • Anastasiya Sergievskaya,
  • Adrien Chauvin and
  • Stephanos Konstantinidis

Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2

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  • reported data; we will address the influence of the sputtering parameters (sputter power, current, voltage, sputter time, working gas pressure, and the type of sputtering plasma) and host liquid properties (composition, temperature, viscosity, and surface tension) on the NP formation as well as a detailed
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Published 04 Jan 2022
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