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Search for "interaction" in Full Text gives 1359 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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
  • micrometer scale down to the atomic level. The common element of SPM techniques is that surface structure and properties are revealed by moving a probe over the sample covering a given area or volume. During this movement, the interaction between probe and sample is measured at fixed points in the scan area
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Published 28 Dec 2023

Fluorescent bioinspired albumin/polydopamine nanoparticles and their interactions with Escherichia coli cells

  • Eloïse Equy,
  • Jordana Hirtzel,
  • Sophie Hellé,
  • Béatrice Heurtault,
  • Eric Mathieu,
  • Morgane Rabineau,
  • Vincent Ball and
  • Lydie Ploux

Beilstein J. Nanotechnol. 2023, 14, 1208–1224, doi:10.3762/bjnano.14.100

Graphical Abstract
  • series of pristine BSA/PDA NPs with a mean diameter in number ranging from 66 ± 16 to 9 ± 3 nm was obtained (Figure 3b; see Supporting Information File 1, Table S1 for mean diameter in intensity) by increasing BSA/DA ratio from 0.25 to 10. The formation of BSA/PDA NPs is attributed to the interaction
  • interaction of the KE diad with DA [13]. Most of the DA molecules interact with the proteins, thus limiting the binding of proteins with each other or with PDA aggregates. This results in an increase in aggregate (i.e., particle) size. Hence, a rapid decrease in diameter was observed for BSA/DA ratios from
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Published 22 Dec 2023

A combined gas-phase dissociative ionization, dissociative electron attachment and deposition study on the potential FEBID precursor [Au(CH3)2Cl]2

  • Elif Bilgilisoy,
  • Ali Kamali,
  • Thomas Xaver Gentner,
  • Gerd Ballmann,
  • Sjoerd Harder,
  • Hans-Peter Steinrück,
  • Hubertus Marbach and
  • Oddur Ingólfsson

Beilstein J. Nanotechnol. 2023, 14, 1178–1199, doi:10.3762/bjnano.14.98

Graphical Abstract
  • − x)(CH3) are desorbed from each molecule. We note that these may be desorbed as Cl2, CH3Cl, or CH3CH3 as discussed in the next section. Further, we expect the final deposit to rather result from electron-induced secondary and tertiary reaction than from a single electron precursor interaction
  • low-energy electron interaction under a variety of different conditions. Those are the gas phase [59][61] in thin layers under non-steady state conditions [57], in comparative FEBID experiments under HV and UHV conditions [60], and with respect to post-deposition purification through electron exposure
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Published 06 Dec 2023

Elasticity, an often-overseen parameter in the development of nanoscale drug delivery systems

  • Agnes-Valencia Weiss and
  • Marc Schneider

Beilstein J. Nanotechnol. 2023, 14, 1149–1156, doi:10.3762/bjnano.14.95

Graphical Abstract
  • biological applications Mechanical properties of particles have a significant impact on the cell–particle interaction; most particles are reported to be taken up faster when they are more rigid [36]. Some materials such as phospholipids and organic silica NPs with a hyaluronic acid coating show superior
  • certain tissues. There are not many studies available to address the influence of particle elasticity on the interaction with these barriers. However, there is a clear trend that shows that softer particles seem to be beneficial. In the following section we will highlight some of the routes. Tuning
  • the interaction with mucus in vitro, they demonstrated that the apparent permeability coefficient (Papp value) through porcine intestinal mucus as well as the diffusion determined by particle tracking is significantly higher for softer particles. However, as soon as cells are included in the system
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Perspective
Published 23 Nov 2023

Curcumin-loaded albumin submicron particles with potential as a cancer therapy: an in vitro study

  • Nittiya Suwannasom,
  • Netsai Sriaksorn,
  • Chutamas Thepmalee,
  • Krissana Khoothiam,
  • Ausanai Prapan,
  • Hans Bäumler and
  • Chonthida Thephinlap

Beilstein J. Nanotechnol. 2023, 14, 1127–1140, doi:10.3762/bjnano.14.93

Graphical Abstract
  • carrier of CUR through direct binding [22]. Kar et al. evaluated the affinity of HSA molecules to interact with CUR and reported that the binding constant was about 1.74 × 105 M−1, suggesting a strong interaction [23]. Therefore, albumin can be considered a useful carrier in drug delivery systems for
  • network, which decreases and prolongs drug release [30]. In vitro interaction of HSA-MPs and CUR-HSA-MPs with cells Cytotoxicity toward tumor cells Cytotoxicity of CUR-HSA-MPs in Huh-7 and MCF-7 cancer cell lines was measured using MTT assay. Notably, HSA-MPs revealed no significant cell death among Huh-7
  • cytotoxicity. However, the cytotoxicity and the interaction of cells with CUR-HSA-MPs depends also on cell uptake of particles and interactions between particles and cells [42]. Our results were in line with those previously reported by Zhang and co-workers [43]. The authors reported that cell viability of
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Published 21 Nov 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
  • interconnects that allow for programmable interaction between qubits. The Pegasus P16 superconducting chip of the Advantage QA system, released in 2020, contained 1,030,000 Josephson junctions, of which only 40,484 were used for interconnects, and 5,640 Josephson structures were part of the qubits. In this
  • , control the state of the simplest adiabatic cell used as an auxiliary qubit. This parameter range is also important for the observation of quantum non-perturbative effects for the parametron that acts as a nonlinear adjuster, implementing the interaction between fluxonium type qubits [47][48]. In the case
  • and annihilation operators for the i-th bosonic mode. Hint is responsible for the interaction between the thermostat and the superconducting parametron. For the case of ohmic dissipation, this relationship is linear and can be written as: where k is a coupling constant. Within the framework of the
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Published 21 Nov 2023

Dual-heterodyne Kelvin probe force microscopy

  • Benjamin Grévin,
  • Fatima Husainy,
  • Dmitry Aldakov and
  • Cyril Aumaître

Beilstein J. Nanotechnol. 2023, 14, 1068–1084, doi:10.3762/bjnano.14.88

Graphical Abstract
  • strictness, in the above, we should have written that ωac = ω1 − (ω0 + Δω0), where Δω0 stands for the cantilever frequency shift due to the tip–surface interaction. In heterodyne KPFM, the reference sideband that drives the modulated bias is indeed generated as follows. The frequency of the first source
  • the cantilever. The frequency mixing effect will effectively generate a modulated electrostatic component at ω1 – phase-coherent with the demodulation chain – only and if only the frequency shift that the cantilever (at its first resonance mode) experiences in the tip–surface interaction is taken into
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Published 07 Nov 2023

Spatial mapping of photovoltage and light-induced displacement of on-chip coupled piezo/photodiodes by Kelvin probe force microscopy under modulated illumination

  • Zeinab Eftekhari,
  • Nasim Rezaei,
  • Hidde Stokkel,
  • Jian-Yao Zheng,
  • Andrea Cerreta,
  • Ilka Hermes,
  • Minh Nguyen,
  • Guus Rijnders and
  • Rebecca Saive

Beilstein J. Nanotechnol. 2023, 14, 1059–1067, doi:10.3762/bjnano.14.87

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  • these micro/nano devices is to scrutinize their structure and the interaction between their different components. This can be done by high-resolution characterization techniques that simultaneously probe dynamic properties of different parts of the device. This enables the decoupling of the roles of
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Published 06 Nov 2023

Recognition mechanisms of hemoglobin particles by monocytes – CD163 may just be one

  • Jonathan-Gabriel Nimz,
  • Pichayut Rerkshanandana,
  • Chiraphat Kloypan,
  • Ulrich Kalus,
  • Saranya Chaiwaree,
  • Axel Pruß,
  • Radostina Georgieva,
  • Yu Xiong and
  • Hans Bäumler

Beilstein J. Nanotechnol. 2023, 14, 1028–1040, doi:10.3762/bjnano.14.85

Graphical Abstract
  • ][19]. CD163, the receptor for Hp–Hb complexes also shows some affinity for Hb [16][27][28]. The corresponding binding site at the receptor appears to be the same as for the binding of Hp–Hb complexes, according to Schaer et al. [27]; whereas within Hb, the binding site for direct interaction with
  • the interaction of liver macrophages with HbMPs have not been systematically investigated yet. Since HbMPs are composed of Hb, the elimination via Hp and Hpx seems likely. Hp binds freed Hb, Hpx binds freed heme. The resulting complexes are then bound by the respective receptors, namely CD163 for Hp
  • responsible for the elimination of HbMPs. A direct interaction with the monocyte receptor CD163, as already described in the literature for other Hb derivatives, is also conceivable. Another possibility would be an elimination of HbMPs independent of the Hb content, which is instead influenced by particle
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Published 19 Oct 2023

A visible-light photodetector based on heterojunctions between CuO nanoparticles and ZnO nanorods

  • Doan Nhat Giang,
  • Nhat Minh Nguyen,
  • Duc Anh Ngo,
  • Thanh Trang Tran,
  • Le Thai Duy,
  • Cong Khanh Tran,
  • Thi Thanh Van Tran,
  • Phan Phuong Ha La and
  • Vinh Quang Dang

Beilstein J. Nanotechnol. 2023, 14, 1018–1027, doi:10.3762/bjnano.14.84

Graphical Abstract
  • applications, photodetection is an attractive area because photodetectors are the critial component to convert photon energy into electrical signals based on a nonlinear interaction between electromagnetic field and material surface [7]. Currently, many scientists are studying this topic in order to apply
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Published 13 Oct 2023

Fragmentation of metal(II) bis(acetylacetonate) complexes induced by slow electrons

  • Janina Kopyra and
  • Hassan Abdoul-Carime

Beilstein J. Nanotechnol. 2023, 14, 980–987, doi:10.3762/bjnano.14.81

Graphical Abstract
  • complexes, it is desirable to investigate the physical chemistry, in particular, the processes induced by the interaction of these molecular systems with low-energy electrons. We performed a series of collision experiments of low-energy electrons with metal bis(acetylacetonate)s, ML2, where M and L
  • these two species, the interaction of slow electrons with the metal chelates also produces a rich variety of fragment anions, which are reported and discussed in the present report. A comprehensive picture of the fragmentation pattern of each ML2 precursor, including the quantification of dissociation
  • pathways (e.g., branching ratio), will be helpful for using this family of organometallic compounds. Results and Discussion The interaction of low-energy electrons with gaseous compounds ML2 (M: Mn, Co, Ni, Cu, and Zn; L: acac) produces the parent anion [ML2]− and the fragment anion [L]− as the predominant
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Published 26 Sep 2023

Metal-organic framework-based nanomaterials for CO2 storage: A review

  • Ha Huu Do,
  • Iqra Rabani and
  • Hai Bang Truong

Beilstein J. Nanotechnol. 2023, 14, 964–970, doi:10.3762/bjnano.14.79

Graphical Abstract
  • contribution in the field of mechanism studies was made by Valenzano and coworkers [25]. The recorded an adsorption angle of 129° for CO2 adsorption on Mg-MOF-74, which is smaller than the corresponding angles observed for N2 and CO, implying a stronger interaction between Mg-MOF-74 and CO2 (Figure 1). MOFs
  • linkers have been examined for CO2 capture. For instance, Shimizu et al. used 3-amino-1,2,4-triazolate as a linker to create Zn-based MOF nanomaterials, yielding a high efficiency in CO2 storage [29]. The result was attributed to the favorable interaction between CO2 and NH2 groups. Likewise, Panda
  • , which promotes their interaction with OMSs within the MOF structures. In this regard, MOFs tend to exhibit instability under such conditions. Therefore, design and selection of MOFs are imperative for effective CO2 adsorption, such as in the case of MOF-808. Furthermore, CO2 storage at low pressure is
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Published 20 Sep 2023

Prediction of cytotoxicity of heavy metals adsorbed on nano-TiO2 with periodic table descriptors using machine learning approaches

  • Joyita Roy,
  • Souvik Pore and
  • Kunal Roy

Beilstein J. Nanotechnol. 2023, 14, 939–950, doi:10.3762/bjnano.14.77

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  • techniques. These methods encompass the interaction of features while maintaining reasonable computational cost. In embedded methods, each iteration of the model training process is taken care of, and a few features that contribute the most to the training process are carefully extracted. More precisely, it
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Published 12 Sep 2023

Antibody-conjugated nanoparticles for target-specific drug delivery of chemotherapeutics

  • Mamta Kumari,
  • Amitabha Acharya and
  • Praveen Thaggikuppe Krishnamurthy

Beilstein J. Nanotechnol. 2023, 14, 912–926, doi:10.3762/bjnano.14.75

Graphical Abstract
  • affects the targeting ability of the nanoformulation. In this review, we provide recent findings to highlight several antibody conjugation methods such as adsorption, covalent conjugation, and biotin–avidin interaction. This review also provides an overview of the many effects of the protein corona and
  • surface charge [36][37]. Surface modification strategies include, for example, adsorption, covalent conjugation, and biotin–avidin interaction, which will be discussed below in detail with examples. Adsorption Adsorption of antibodies on the surface of NPs is a non-covalent reversible binding method
  • , which includes physical adsorption and electrostatic binding (Figure 3) [38]. Physical adsorption consists of either non-covalent weak hydrophobic or electrostatic hydrogen bonding, or attractive van der Waals interaction between antibodies and NPs [39]. Ionic binding, in contrast, involves an
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Published 04 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
  • one hand, HKUST-1 contains open metal sites (Cu2+), which are not hindered by surrounding linkers, facilitating interaction with intermediates and, thus, increasing CO2 reduction. On the other hand, the largest surface area also partially contributes to improving the performance of CO2 reduction
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Published 31 Aug 2023

Green SPIONs as a novel highly selective treatment for leishmaniasis: an in vitro study against Leishmania amazonensis intracellular amastigotes

  • Brunno R. F. Verçoza,
  • Robson R. Bernardo,
  • Luiz Augusto S. de Oliveira and
  • Juliany C. F. Rodrigues

Beilstein J. Nanotechnol. 2023, 14, 893–903, doi:10.3762/bjnano.14.73

Graphical Abstract
  • decrease in the replication of Leishmania spp. in different tissues of infected animals due to the interaction with reactive oxygen and nitrogen species [31][32]. Several studies have shown the potential of using nanoparticles as a new method for treating leishmaniasis. However, only a few studies report
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Published 30 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
  • aromatic units. Generally, dispersion forces are interpreted as non-directional interactions. However, the interaction between HOPG and alkyl chains causes directional orientation because of the epitaxy defined by the threefold symmetric axis of the HOPG lattice, that is, alkyl chains align along the HOPG
  • [66]. These differences in the dispersion interaction may be one of the causes of 2D structural changes between Au(111) and HOPG surfaces [67]. In the following sections, the effect of alkyl chains on 2D structure formations are summarized only for the HOPG surface. 2 Missing alkyl chains Although the
  • ). The flexibility of the alkyl chains and their steric hindrance enabled a match with the HOPG lattice and facilitated the rotation of the PBTP core into a hexagonal arrangement. The number of alkyl chains controls the interaction modes, including interdigitation. A DBA derivative with six tetradecyloxy
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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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  • artificial leaves were used to investigate the influence of wax chemistry and surface wettability on the development of Blumeria graminis, the pathogenic wheat powdery mildew. In “Interaction between honeybee mandibles and propolis”, Saccardi et al. [12] report on the honeybee propolis, a substance used by
  • nanostructures on the legs of cribellate spiders”. Here the challenge is to handle nanofibres which naturally stick to surfaces due to the van der Waals energy of surface interaction. Spiders which regularly process nanofibres into silk have evolved a structure on the surface of their hind legs to which the
  • nanofibres do not stick. The authors use the geometry of the spider system to develop an elegant mathematical model of the interaction between the fibres and the surface. They then test their predictions using a structured metal mimic of the spider legs. They find that for some metals, in which they were
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Editorial
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
  • strong interaction with silicon, we can assume that free oxygen will tend to pair extremely quickly with silicon, whereas hydrogen can travel deeper into the sample, because of its low mass and via channeling processes. Contaminants tend to remain closer to the surface than argon. Because the water
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Published 01 Aug 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
  • vibrations [54][55]. The Raman spectra of MLM on the PS@Ag SERS substrate shows peaks at 585, 679, and 985 cm−1, which are shifted compared to those in the Raman spectrum of MLM because of the interaction between MLM and the Ag surface. The SERS intensity at the fingerprint peak of 682 cm−1 as a function of
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Published 21 Jul 2023

Silver nanoparticles loaded on lactose/alginate: in situ synthesis, catalytic degradation, and pH-dependent antibacterial activity

  • Nguyen Thi Thanh Tu,
  • T. Lan-Anh Vo,
  • T. Thu-Trang Ho,
  • Kim-Phuong T. Dang,
  • Van-Dung Le,
  • Phan Nhat Minh,
  • Chi-Hien Dang,
  • Vinh-Thien Tran,
  • Van-Su Dang,
  • Tran Thi Kim Chi,
  • Hieu Vu-Quang,
  • Radek Fajgar,
  • Thi-Lan-Huong Nguyen,
  • Van-Dat Doan and
  • Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2023, 14, 781–792, doi:10.3762/bjnano.14.64

Graphical Abstract
  • release of silver ions or electrostatic interaction between AgNPs and microbial cells, have been proposed [21][22]. The AgNPs might release silver ions capable of binding to nucleic acids, thereby, exhibiting antibacterial activity [23][24]. Consequently, any silver-containing composite material with
  • the morphology of the nanocomposite in different media. At pH 4, AgNPs aggregated to form larger particles compared to those formed at pH 6. In contrast, at pH 12, the nanocomposite was disrupted, leading to the aggregation of gel and a reduced interaction between AgNPs and the bacterial cell wall
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Published 04 Jul 2023

Control of morphology and crystallinity of CNTs in flame synthesis with one-dimensional reaction zone

  • Muhammad Hilmi Ibrahim,
  • Norikhwan Hamzah,
  • Mohd Zamri Mohd Yusop,
  • Ni Luh Wulan Septiani and
  • Mohd Fairus Mohd Yasin

Beilstein J. Nanotechnol. 2023, 14, 741–750, doi:10.3762/bjnano.14.61

Graphical Abstract
  • catalyst’s surface. Carbon atoms are adsorbed by the catalyst and deposited by diffusion to form nanotubes through continuous stacking. The weak interaction force between the catalyst particle and the substrate lifts the particles as the nanotubes grow, forming CNTs with catalyst particles at the tip. CNTs
  • are formed with catalyst particles at the bottom if the catalyst–substrate interaction force is more substantial [23]. Nevertheless, the rapid growth of CNTs was observed from the catalytic reaction within the flame environment. Because of the coupled energy and mass transfer phenomena, the
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Published 21 Jun 2023

Cross-sectional Kelvin probe force microscopy on III–V epitaxial multilayer stacks: challenges and perspectives

  • Mattia da Lisca,
  • José Alvarez,
  • James P. Connolly,
  • Nicolas Vaissiere,
  • Karim Mekhazni,
  • Jean Decobert and
  • Jean-Paul Kleider

Beilstein J. Nanotechnol. 2023, 14, 725–737, doi:10.3762/bjnano.14.59

Graphical Abstract
  • illumination on the sample cross section, we have performed KPFM measurements under white-light illumination. The topography and the associated VCPD image are reported in Figure 4a and Figure 4b, respectively. The VCPD/light image of Figure 4b shows a significant contrast enhancement due to the interaction
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Published 14 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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  • ) Electrons carry spin angular momentum, which couples with the orbital momentum by spin–orbit interaction. Thus, reflection accompanied by a spin flip can induce angular momentum transfer. Conclusion We have investigated the classical dynamics of a molecular rotor under a particle current. The molecule was
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Published 12 Jun 2023

A graphene quantum dots–glassy carbon electrode-based electrochemical sensor for monitoring malathion

  • Sanju Tanwar,
  • Aditi Sharma and
  • Dhirendra Mathur

Beilstein J. Nanotechnol. 2023, 14, 701–710, doi:10.3762/bjnano.14.56

Graphical Abstract
  • -area to volume ratio to provide enhanced analyte interaction with the sensing surface [14]. Carbon-based nanomaterials and nanocomposites are being investigated for the electrochemical detection of a variety of pesticides, including organophosphates, organochlorines, and carbamates [15][16][17]. The
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Published 09 Jun 2023
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