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Search for "adhesion" in Full Text gives 429 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Synthesis, characterization and anticancer effect of doxorubicin-loaded dual stimuli-responsive smart nanopolymers

  • Ömür Acet,
  • Pavel Kirsanov,
  • Burcu Önal Acet,
  • Inessa Halets-Bui,
  • Dzmitry Shcharbin,
  • Şeyda Ceylan Cömert and
  • Mehmet Odabaşı

Beilstein J. Nanotechnol. 2024, 15, 1189–1196, doi:10.3762/bjnano.15.96

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  • onto clear 96-well plates at a concentration of 1 × 105 cells/mL in a volume of 100 µL of cell suspension in fresh complete culture medium (DMEM with stable glutamine, 4.5 g/L glucose, 10% FBS, 100 U/mL penicillin, and 0.1 mg/mL streptomycin). The cells were preincubated for 24 h for cell adhesion and
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Published 26 Sep 2024

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

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  • effects of TiO2 NPs, with diameters around 20 and 200 nm, and SiO2 NPs on proliferation, fibrosis, adhesion, and migration of LX-2 cells as a model of HSC activation were studied. The results show that the internalization of both TiO2 NPs and SiO2 NPs suppressed classical outcomes of cellular fibrosis
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Published 23 Aug 2024

Interface properties of nanostructured carbon-coated biological implants: an overview

  • Mattia Bartoli,
  • Francesca Cardano,
  • Erik Piatti,
  • Stefania Lettieri,
  • Andrea Fin and
  • Alberto Tagliaferro

Beilstein J. Nanotechnol. 2024, 15, 1041–1053, doi:10.3762/bjnano.15.85

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  • high importance [19]. Particularly, cellular adhesion and a controlled immunological response are key features of any artificial device for being effectively implanted [20]. Additionally, responsive surfaces represent the last frontier in nanomedicine, and they require the exchange of signals and
  • gastrectomy surgery. The GO coating enabled, at the same time, improved corrosion resistance, high cell proliferation, and very low inflammatory response. Similarly, Fernández-Hernán et al. [94] used graphene nanoplatelets to coat AZ31 magnesium, evaluating cytocompatibility, osteoblasts adhesion, and
  • bacteria according to the mechanism shown in Figure 4. The biofilm formation consists of four stages, namely, (i) adhesion, (ii) aggregation, (iii) maturation, and (iv) dispersion. Adhesion is the first step and is ruled by the polarity of the surface as reported by Gittens and co-workers [105]. The
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Published 16 Aug 2024

Beyond biomimicry – next generation applications of bioinspired adhesives from microfluidics to composites

  • Dan Sameoto

Beilstein J. Nanotechnol. 2024, 15, 965–976, doi:10.3762/bjnano.15.79

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  • composites are highlighted in this article. It is time for a next generation of research to look beyond biomimicry and look towards re-engineering applications to make use of these materials’ unique properties in economically viable ways. Keywords: adhesion; biomimicry; composites; gecko; robotics, soft
  • lithography; Perspective As of the time of this writing, it has been 24 years since the seminal work by Kellar Autumn and his colleagues demonstrated how a single gecko foot hair could generate adhesion [1]. Autumn’s discovery that van der Waals forces were the primary mechanism behind the extraordinary
  • ] and magnets are much better in terms of reliability and adhesion force than current biomimetic materials but need mating surfaces that are compatible. Traditional fasteners like screws, bolts, and nuts are available for assemblies that do not need to be disconnected frequently but are extremely strong
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Published 05 Aug 2024

Electrospun nanofibers: building blocks for the repair of bone tissue

  • Tuğrul Mert Serim,
  • Gülin Amasya,
  • Tuğba Eren-Böncü,
  • Ceyda Tuba Şengel-Türk and
  • Ayşe Nurten Özdemir

Beilstein J. Nanotechnol. 2024, 15, 941–953, doi:10.3762/bjnano.15.77

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  • superiorities. Their unique characteristics that distinguish them from other scaffolds and pharmaceutical forms also constitute their main advantages: (i) Their network nature mimics the natural extracellular matrix. In this way, nanofibrous scaffolds provide a higher level of cell adhesion, differentiation
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Published 25 Jul 2024

The effect of age on the attachment ability of stick insects (Phasmatodea)

  • Marie Grote,
  • Stanislav N. Gorb and
  • Thies H. Büscher

Beilstein J. Nanotechnol. 2024, 15, 867–883, doi:10.3762/bjnano.15.72

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  • Hennemann, 2023 and elucidate the age effects on the material and microstructure of the attachment apparatus. Attachment performance (adhesion and friction forces) on substrates with different roughnesses was compared between two different age groups, and the change of attachment performance was monitored
  • extending over a larger time frame. Ageing effects on the morphology of the attachment pads and the autofluorescence of the cuticle were documented using light, scanning electron, and confocal laser scanning microscopy. The results show that both adhesion and friction forces decline with age. Deflation of
  • area with the substrate. Keywords: adhesion; attachment pads; friction; locomotion; morphology; material properties; wear; Introduction Ageing inexorably affects most living organisms, does not exclude insects, and makes different organs or tissues susceptible to wear or fatigue of material [1
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Published 15 Jul 2024

Electrospun polysuccinimide scaffolds containing different salts as potential wound dressing material

  • Veronika Pálos,
  • Krisztina S. Nagy,
  • Rita Pázmány,
  • Krisztina Juriga-Tóth,
  • Bálint Budavári,
  • Judit Domokos,
  • Dóra Szabó,
  • Ákos Zsembery and
  • Angela Jedlovszky-Hajdu

Beilstein J. Nanotechnol. 2024, 15, 781–796, doi:10.3762/bjnano.15.65

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  • adhesion, growth, proliferation, and differentiation. The electrospinning technique offers the possibility of using the formed scaffold as a wound dressing with fibers of proper size and morphology. The porous nature of the scaffold enables the drainage of wound fluids and facilitates the entry of oxygen
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Published 02 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

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  • oscillation amplitudes, the tip mechanically touches the surface during part of the oscillation. This mode is known as “intermittent contact” or tapping mode, and incorrect height measurements are usually ascribed to variations in the local elasticity [32][33] or differences in the local adhesion, related to
  • ][56][57]. The origin of incorrect height measurements in 2D materials has been ascribed to the same sources as those mentioned above, including capillary forces and adhesion [8][46], electrostatic forces [58][59][60], or residues of the solvent [8]. However, in many cases, this is not enough to fully
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Published 01 Jul 2024

Functional fibrillar interfaces: Biological hair as inspiration across scales

  • Guillermo J. Amador,
  • Brett Klaassen van Oorschot,
  • Caiying Liao,
  • Jianing Wu and
  • Da Wei

Beilstein J. Nanotechnol. 2024, 15, 664–677, doi:10.3762/bjnano.15.55

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  • , reversible adhesion, and surface modulation (e.g., superhydrophobicity). This review will present various functions that biological hairs have been discovered to carry out, with the hairs spanning across six orders of magnitude in size, from the millimeter-thick fur of mammals down to the nanometer-thick
  • length scales. Keywords: adhesion; fibers; fluid–structure interactions; mastigonemes; mechanosensing; setae; wettability; Introduction Given the bottom-up approach that biology uses to create materials, fibrous structures formed by molecular chains are found everywhere. For example, internally in the
  • providing low adhesion. Such structures are typically found on body parts where contamination is common, such as adhesive pads [40], or where cleanliness is crucial for survival, such as insect wings [41]. Hairs provide more ways to prevent or clean contamination. For a dedicated review on the topic, please
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Published 06 Jun 2024

Comparative analysis of the ultrastructure and adhesive secretion pathways of different smooth attachment pads of the stick insect Medauroidea extradentata (Phasmatodea)

  • Julian Thomas,
  • Stanislav N. Gorb and
  • Thies H. Büscher

Beilstein J. Nanotechnol. 2024, 15, 612–630, doi:10.3762/bjnano.15.52

Graphical Abstract
  • long intrigued scientists, prompting extensive research on the functional morphology of attachment pads. In stick insects, attachment and locomotion are facilitated by two distinct types of smooth cuticular attachment pads: the primary adhesion force-generating arolium and the friction force-generating
  • the material composition of attachment pads and the distribution process of the adhesive secretion can potentially aid in the development of more effective artificial attachment systems. Keywords: adhesion; arolium; biomechanics; euplantulae; friction; functional morphology; tarsal secretion
  • enhance the actual contact area between the pad and the substrate for the realisation of efficient attachment due to adhesion and friction forces [3][9][12][13][14]. Smooth attachment pads have independently evolved in most large insect groups, possessing multiple specialized types of pads on the same leg
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Published 29 May 2024

Stiffness calibration of qPlus sensors at low temperature through thermal noise measurements

  • Laurent Nony,
  • Sylvain Clair,
  • Daniel Uehli,
  • Aitziber Herrero,
  • Jean-Marc Themlin,
  • Andrea Campos,
  • Franck Para,
  • Alessandro Pioda and
  • Christian Loppacher

Beilstein J. Nanotechnol. 2024, 15, 580–602, doi:10.3762/bjnano.15.50

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  • ring electrode for mechanical excitation. The QTF surface features a set of three metallic electrodes evaporated on it. Their chemical composition has been characterized by EDS as consisting of a ≃200 nm thick layer of Au on a thinner chromium layer to favor the adhesion and wetting of Au. The massive
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Published 23 May 2024

Radiofrequency enhances drug release from responsive nanoflowers for hepatocellular carcinoma therapy

  • Yanyan Wen,
  • Ningning Song,
  • Yueyou Peng,
  • Weiwei Wu,
  • Qixiong Lin,
  • Minjie Cui,
  • Rongrong Li,
  • Qiufeng Yu,
  • Sixue Wu,
  • Yongkang Liang,
  • Wei Tian and
  • Yanfeng Meng

Beilstein J. Nanotechnol. 2024, 15, 569–579, doi:10.3762/bjnano.15.49

Graphical Abstract
  • downregulating the expression of VEGFs and the endothelial cell adhesion molecule CD31 [16]. However, disadvantages of CUR include its poor stability, rapid metabolism, and low solubility, which limits its application [17][18][19][20]. To address the aforementioned challenges, intelligent delivery systems have
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Published 22 May 2024

Cholesterol nanoarchaeosomes for alendronate targeted delivery as an anti-endothelial dysfunction agent

  • Horacio Emanuel Jerez,
  • Yamila Roxana Simioni,
  • Kajal Ghosal,
  • Maria Jose Morilla and
  • Eder Lilia Romero

Beilstein J. Nanotechnol. 2024, 15, 517–534, doi:10.3762/bjnano.15.46

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  • ]. Recent studies have also shown that ALN has a direct anti-inflammatory effect on endothelial cells. It reduces LPS-induced activation in terms of expression of cell adhesion molecules to leukocytes and increases the production of nitric oxide, reducing platelet activation [12]. According to the
  • , respectively; 1200 pg/mL TNF-α were also induced. HUVECs on the apical side were exposed to the proliferative and increased vascular permeability stimulus of IL-8 and IL-6 and induced to express adhesion molecules and cytokine production by IL-6 and TNF-α [52] secreted in the basal compartment. In this more
  • findings show that the co-culture of HUVECs with macrophages decreases the expression of eNOS [62], making them more likely to produce pro-inflammatory cytokines such as IL-6 and IL-8 and to express cell adhesion molecules, that is, making them more activated and pro-atherogenic [63]. Overall, the results
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Published 13 May 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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  • ) and from the BSE (SE2) [6][7][8]. An example of a line deposited from a carbon precursor on a silicon substrate, coated with a 20 nm Au–Pd layer and a 5 nm Ti adhesion layer, is shown in Figure 1a, clearly showing the broad (black) tails on both sides of the line. The cross section of the line, made
  • , section S1 for more details on the simulation). Sidewall slope evolution under FEBIE To experimentally study the modification of the sidewalls of a FEBID structure, carbon structures were first deposited on a silicon substrate with a 20 nm gold–palladium layer and a 5 nm titanium adhesion layer. The
  • substrate with a 20 nm gold–palladium layer and a 5 nm titanium adhesion layer. The line was patterned in 500 passes with a dwell time of 500 µs, using a 5 keV beam and 100 pA current with a defocus of 100 nm. Prior to the FIB milling the line was covered with a protective layer of FEBID Pt/C from the
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Published 23 Apr 2024

Insect attachment on waxy plant surfaces: the effect of pad contamination by different waxes

  • Elena V. Gorb and
  • Stanislav N. Gorb

Beilstein J. Nanotechnol. 2024, 15, 385–395, doi:10.3762/bjnano.15.35

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  • experimentally supports the contamination hypothesis. Keywords: adhesion; Chrysolina fastuosa; Chrysomelidae; Coleoptera; epicuticular wax projections; tenent setae; traction force; Introduction It has been shown in numerous experimental studies that insects possessing hairy adhesive pads (i.e., specialized
  • (3D) epicuticular wax projections, insects usually fail to attach to [4][5][6]. The reducing effect of such plant surfaces on insect adhesion has been shown for many plant and insect species using various experimental approaches, from direct behavioral observations and simple inversion [7] or incline
  • (number per unit area) influence insect attachment [11][12]. As an explanation for reduced insect adhesion on waxy plant surfaces, several contributing mechanisms have been previously suggested, such as (1) specific micro/nanoroughness created by wax projections (roughness hypothesis), (2) contamination
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Published 11 Apr 2024

Nanomedicines against Chagas disease: a critical review

  • Maria Jose Morilla,
  • Kajal Ghosal and
  • Eder Lilia Romero

Beilstein J. Nanotechnol. 2024, 15, 333–349, doi:10.3762/bjnano.15.30

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  • -II drugs with low solubility, or low or irregular bioavailability, and promoting adhesion to the gastrointestinal wall [95]. The small size of the crystals is associated with a large surface area, which increases interactions with the dissolving medium and accelerates the dissolution rate. The latest
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Published 27 Mar 2024
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  • a vital role in adhesion to the hydro–water interface and solid surfaces, providing an idea about the viability and permeability of the cell membrane under stress. As most of the cell surface carries a negative charge, metals with higher zeta potential can easily enter the cell and increase the
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Published 12 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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  • from the taobao shopping platform. The medical rubber gloves and injection syringes were procured from a local hospital (Shanghai, China). The titanium (Ti) target (99.99%) utilized for the adhesion layer was purchased from Deyang Ona New Materials Co., Ltd. The gold (Au) target (99.999%) employed for
  • structured PDMS was initially cleansed through a 5 min Ar plasma sputtering and, subsequently, coated with a 10 nm thick Ti adhesion layer. After that, ion beam sputtering was utilized to deposit a 50 nm thick Au thin film onto the outer surface of the helically shaped PDMS. Then, a controlled pre-stretch
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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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  • adhesion of the following 150 nm deposition of chromium with electron-beam evaporation in the Auto306 from Edwards. After the lift-off in mrREM700, we also strip the protective PMMA layer on the front side with AR600–71, and we clean the wafer in isopropanol (IPA). (d) Coarse circuit pattern. A layer of
  • first spin a thin layer of an adhesion promoter (AR 300–80) before spinning a roughly 170 nm thick layer of the electron-beam resist ARP–6200–09 (CSAR 09), baking at 150 °C for 1 min. We expose with a dose of 110 μC/cm2 in a Voyager EBL system from Raith Nanofabrication and etch the Nb-Ti-N film using
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Published 15 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

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  • HIE, GLN, PHE, GAN (−43.86kBT to −20.85kBT). VAL, THR, SER, CYS, ALA exhibit the weakest attraction (−19.51kBT to −1.76kBT). On iron surfaces, charged and aromatic PRO, TYR, ARG, HIS AAs are strongly adsorbed (−91.29kBT to −43.34kBT), while hydrophobic VAL, LEU, ALA AAs show a weaker adhesion
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Published 13 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

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  • surface is higher than that of bulk ZnO [53]. As an example, the influence of ZnO NPs (15–40 nm) on Zn accumulation in H. vulgare indicates a significant increase in the roots, without a corresponding effect in the shoot, suggesting substantial adhesion of ZnO NPs to the root surface [42]. Further
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Published 23 Jan 2024

Nanotechnological approaches in the treatment of schistosomiasis: an overview

  • Lucas Carvalho,
  • Michelle Sarcinelli and
  • Beatriz Patrício

Beilstein J. Nanotechnol. 2024, 15, 13–25, doi:10.3762/bjnano.15.2

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  • mice even in high concentrations (27 mg Sb/kg). Although the mortality was reduced, drug efficiency remains unaltered, especially when the nanoformulation was intraperitoneally administered [78]. However, it is known that oral route adhesion is better than the others tested in this work
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Published 03 Jan 2024

Determination of the radii of coated and uncoated silicon AFM sharp tips using a height calibration standard grating and a nonlinear regression function

  • Perawat Boonpuek and
  • Jonathan R. Felts

Beilstein J. Nanotechnol. 2023, 14, 1200–1207, doi:10.3762/bjnano.14.99

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  • nanostructured materials, for example, graphene, carbon nanotubes, nanoscale semiconductors, biomaterials, and molecules. Mechanical properties such as surface stiffness, adhesion, friction, electrostatics, and electrowetting can be measured [1][2][3][4]. In contact mode scanning, the contact area between the
  • force curves with contact mechanics models and extracting the adhesion and friction forces [5][6]. If we do not know the exact value of the tip radius, the sample image with the observation of scanning frequency and the calculation results are not accurate. This indicates that the measurement results
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Published 15 Dec 2023

Spatial variations of conductivity of self-assembled monolayers of dodecanethiol on Au/mica and Au/Si substrates

  • Julian Skolaut,
  • Jędrzej Tepper,
  • Federica Galli,
  • Wulf Wulfhekel and
  • Jan M. van Ruitenbeek

Beilstein J. Nanotechnol. 2023, 14, 1169–1177, doi:10.3762/bjnano.14.97

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  • applied method uses conductive atomic force microscopy (CAFM). In this technique, a conductive probe is used in an AFM, which allows for imaging the surface topography (and other characteristics such as adhesion and stiffness) with lateral resolution while simultaneously being able to measure current
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Published 05 Dec 2023

Hierarchically patterned polyurethane microgrooves featuring nanopillars or nanoholes for neurite elongation and alignment

  • Lester Uy Vinzons,
  • Guo-Chung Dong and
  • Shu-Ping Lin

Beilstein J. Nanotechnol. 2023, 14, 1157–1168, doi:10.3762/bjnano.14.96

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  • -8 nanopillar array fails due to the breakage of the brittle SU-8 nanopillars (Supporting Information File 1, Figure S1A,B), while further hard-baking to strengthen pillar adhesion causes SU-8 reflow, resulting in a dramatic decrease in the pillar aspect ratio (Supporting Information File 1, Figure
  • molds The formation of the SU-8 nanopillar array was similar to that of our previous study [16]. Briefly, a thin SU-8 layer was first hard-baked on a 2.5 cm × 2.5 cm glass slide as an adhesion layer. Then, the SU-8 layer to be patterned was spin-coated using a GBL-diluted SU-8 solution (SU-8 50/GBL vol
  • (in PDMS) in conformal contact with the photoresist (Figure 1A(i)). AZ1518 was developed with AZ 300 MIF developer for 30 s, followed by rinsing with ultrapure water and N2 drying (Figure 1A(v)). The nanopatterned AZ1518 was finally post-baked at 120 °C for 2 min to improve substrate adhesion. PDMS (A
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Published 29 Nov 2023
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