Facile synthesis of Fe-based metal–organic frameworks from Fe₂O₃ nanoparticles and their application for CO₂/N₂ separation

• Van Nhieu Le,
• Hoai Duc Tran,
• Minh Tien Nguyen,
• Hai Bang Truong,
• Toan Minh Pham and
• Jinsoo Kim

Beilstein J. Nanotechnol. 2024, 15, 897–908, doi:10.3762/bjnano.15.74

• surface area (Table 1). It is well known that the MIL-100(Fe) framework contains an abundance of active sites, including unsaturated metal sites, and –OH and free –COOH groups, which perhaps form adsorptive interactions with CO2 molecules [32]. Consequently, the samples showed outstanding CO2 uptake in

• ), the CO2 uptake was proportional to the pressure and inversely proportional to temperature, suggesting that adsorptive interactions based on physical bonds took place between CO2 molecules and M-100Fe@Fe2O3#1.80 [31][37]. To support this assertion, the Clausius–Clayperon equation was employed to

Synthesis of silver–palladium Janus nanoparticles using co-sputtering of independent sources: experimental and theorical study

• Maria J. Martínez-Carreón,
• Francisco Solís-Pomar,
• Abel Fundora,
• Claudio D. Gutiérrez-Lazos,
• Sergio Mejía-Rosales,
• Hector N. Fernández-Escamilla,
• Jonathan Guerrero-Sánchez,
• Manuel F. Meléndrez and
• Eduardo Pérez-Tijerina

Beilstein J. Nanotechnol. 2024, 15, 808–816, doi:10.3762/bjnano.15.67

• that present two faces or regions with different chemical or physical properties in a single particle. Their compositional asymmetry can lead to interesting interactions with their environment or other materials, which give them properties and potential applications that homogeneous nanoparticles do

• not have. For instance, the distinct sides of Janus nanoparticles can be functionalized with different surface chemistries, allowing for controlled interactions with different molecules, surfaces, or biological entities; this feature may be particularly useful in applications as diverse as drug

• K, using the DL_POLY 4 code [14]. The time step was set to 0.001 ps, for a total simulation time of 0.5 ns. The atomic interactions were modelled using the Sutton–Chen potential, with the parameters obtained by Çağin et al. [15], and the mixing rules of Rafii-Tabar and Sutton were used to define the

Electron-induced ligand loss from iron tetracarbonyl methyl acrylate

• Hlib Lyshchuk,
• Atul Chaudhary,
• Thomas F. M. Luxford,
• Miloš Ranković,
• Jaroslav Kočišek,
• Juraj Fedor,
• Lisa McElwee-White and
• Pamir Nag

Beilstein J. Nanotechnol. 2024, 15, 797–807, doi:10.3762/bjnano.15.66

• dipole moment of 1.72 Debye. We thus presume that, also in the present case, the high DEA cross section close to 0 eV is mediated by long-range electron–precursor interactions to a large extent. For higher electron energies, the resonance structures in Fe(CO)5 and Fe(CO)4MA are very similar. There is the

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

• the dissipation. In this mode, the amplitude reduction may be due to (i) the tip–sample interaction (conservative or non-conservative), which shifts the resonance frequency and, therefore, makes the excitation go out of resonance, (ii) non-conservative interactions, which dissipate parts of the

• sample [38][39][40][41], or to typically electrostatic conservative forces [42]. In the latter case, using KPFM to minimize these forces mitigates the problem. Finally, if the driving excitation frequency is tracked to follow the resonance frequency shift induced by the tip–sample interactions, the

• system is always excited at resonance. Then, the amplitude is reduced because of non-conservative forces only, and topography images can be understood as constant-dissipation images [43]. Larger dissipative interactions necessitate the tip to retract further from the surface to maintain a constant

Simultaneous electrochemical determination of uric acid and hypoxanthine at a TiO₂/graphene quantum dot-modified electrode

• Vu Ngoc Hoang,
• Dang Thi Ngoc Hoa,
• Nguyen Quang Man,
• Le Vu Truong Son,
• Le Van Thanh Son,
• Vo Thang Nguyen,
• Le Thi Hong Phong,
• Ly Hoang Diem,
• Kieu Chan Ly,
• Ho Sy Thang and
• Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 719–732, doi:10.3762/bjnano.15.60

• with pKa = 8.7 [31]. The improved reversibility and sensitivity of the modified electrode may be due to the electrostatic interaction between positively charged URI and HYP and negatively charged GQD at remaining COO− groups, the complexation of titanium to nitrogen or oxygen, or π–π interactions

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

• bodies of mammals, over trichomes of plants, to the mastigonemes on the flagella of single-celled organisms. While these long and slender protuberances are passive, they are multifunctional and help to mediate interactions with the environment. They provide thermal insulation, sensory information

• 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

• not lessen their importance. They play a crucial role in mediating an organism’s interactions with the environment, serving various functions depending on their deformations, which are driven purely by their surroundings. Altogether, following the definition above, the structures covered in this

Laser synthesis of nanoparticles in organic solvents – products, reactions, and perspectives

• Theo Fromme,
• Sven Reichenberger,
• Katharine M. Tibbetts and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2024, 15, 638–663, doi:10.3762/bjnano.15.54

• as water and even aqueous solutes. Thus, this model formed the basis that enabled the derivation of yield functions for a variety of direct electron-mediated DNA damage pathways and indirect damage by •OH radicals resulting from laser and electron interactions with water [85]. In general, LSPC in

Directed growth of quinacridone chains on the vicinal Ag(35 1 1) surface

• Niklas Humberg,
• Lukas Grönwoldt and
• Moritz Sokolowski

Beilstein J. Nanotechnol. 2024, 15, 556–568, doi:10.3762/bjnano.15.48

• –24873]. The vicinal surface leads to one additional chain orientation, which is parallel to the Ag step edges. However, most chains nucleate on the Ag terraces between steps with four distinct azimuthal orientations that are identical to those on Ag(100), and which are determined by the interactions

• step edges. Keywords: Ag(100); intermolecular hydrogen bonds; one-dimensional aggregates; organic nanostructures; quinacridone; step-molecule interactions; vicinal surface; Introduction A versatile and powerful method to create nanostructures on surfaces is the self-assembly of atoms and molecules

• , which can be used to direct the growth of nanostructures of adsorbates. The adsorption at step edges, as opposed to that on the terraces in between, is often favored because the additional interactions between the adsorbate and the atoms of the step edge contribute to the adsorption energy Eads. This

Heat-induced morphological changes in silver nanowires deposited on a patterned silicon substrate

• Elyad Damerchi,
• Sven Oras,
• Edgars Butanovs,
• Allar Liivlaid,
• Mikk Antsov,
• Boris Polyakov,
• Annamarija Trausa,
• Veronika Zadin,
• Andreas Kyritsakis,
• Loïc Vidal,
• Karine Mougin,
• Siim Pikker and
• Sergei Vlassov

Beilstein J. Nanotechnol. 2024, 15, 435–446, doi:10.3762/bjnano.15.39

•  1. Molecular dynamics simulations were performed with the large-scale atomic/molecular massively parallel simulator (LAMMPS) [40]. Interactions between the atoms were governed by the embedded atom method (EAM) potential [41] for silver atoms. Visualization was performed with the Open Visualization

Classification and application of metal-based nanoantioxidants in medicine and healthcare

• Nguyen Nhat Nam,
• Nguyen Khoi Song Tran,
• Tan Tai Nguyen,
• Nguyen Ngoc Trai,
• Nguyen Phuong Thuy,
• Hoang Dang Khoa Do,
• Nhu Hoa Thi Tran and
• Kieu The Loan Trinh

Beilstein J. Nanotechnol. 2024, 15, 396–415, doi:10.3762/bjnano.15.36

• interactions leading to toxic effects. Therefore, health and safety profiles of metal-based nanoantioxidants need to be provided. Second, metal-based nanoantioxidants have very diverse shapes, sizes, and surface functional groups. However, modifying these factors significantly changes the way metal-based

Modulated critical currents of spin-transfer torque-induced resistance changes in NiCu/Cu multilayered nanowires

• Mengqi Fu,
• Roman Hartmann,
• Julian Braun,
• Sergej Andreev,
• Torsten Pietsch and
• Elke Scheer

Beilstein J. Nanotechnol. 2024, 15, 360–366, doi:10.3762/bjnano.15.32

• thickness of the Cu spacer layers largely influences the interactions, such as the exchange energy between neighboring magnetic layers [24][26], and further increases the sequential changes of the magnetization direction of the different magnetic layers during the magnetic field sweep. Therefore, when the

• of the dipolar interactions among nanowires, VSM measurements for the electrodeposited nanowire arrays in AAO template, and a discussion on the wire-to-wire variation. Supporting Information File 70: Additional experimental data. Acknowledgements The authors acknowledge the use of the experimental

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

• -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

Vinorelbine-loaded multifunctional magnetic nanoparticles as anticancer drug delivery systems: synthesis, characterization, and in vitro release study

• Zeynep Özcan and
• Afife Binnaz Hazar Yoruç

Beilstein J. Nanotechnol. 2024, 15, 256–269, doi:10.3762/bjnano.15.24

• affinities for the drug molecule at different pH values. Hence, the observed differences in drug release profiles between pH 5.5 and 7.4 can be plausibly attributed to these pH-dependent interactions [57]. Factors such as pH value, coating material properties, coating thickness, and drug binding capacity

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

• the outer surface of macroscropic and micro- and nano-sized particulate after packaging. It also highlights the dynamic interactions at the bionano interface associated with potential human health hazards. Through biomolecule adsorption, change of conformation, and surface chemistry, foreign materials

• engage in a complex interplay of dynamic physicochemical interactions, kinetics, and thermodynamic exchanges that can lead to undesirable outcomes [1][8][9][10]. In a more general context, the importance in understanding the mechanism of bionano interactions arises from the increasing awareness and

• these properties and the biological systems is vital for assessing and mitigating any potential adverse effects associated with exposure to NPs [11]. To advance in this field, it is crucial to comprehend the underlying forces and molecular constituents that govern the interactions between biomolecules

Ion beam processing of DNA origami nanostructures

• Leo Sala,
• Agnes Zerolová,
• Violaine Vizcaino,
• Alain Mery,
• Alicja Domaracka,
• Hermann Rothard,
• Philippe Boduch,
• Dominik Pinkas and
• Jaroslav Kocišek

Beilstein J. Nanotechnol. 2024, 15, 207–214, doi:10.3762/bjnano.15.20

• the generation of plasma from air affecting the nanostructures and DNA–substrate interactions. Despite the underlying mechanism, which is worth of further exploration, this behavior should be emphasized in the present content. Random irradiation of the origami-deposited nanostructures results in a

• lithographic applications. Conclusion We explored model ion interactions with DNA origami nanostructures, showing promise for fusing these state-of-the-art nanotechnology approaches. The main effects of ion beams on nanostructures are shown in Figure 4A–D. The most important observation is that the shape of

• ). Artistic representation of four types of effects that can arise from ion beam interactions with DNA origami nanostructures on Si as reported in present work. (A) and (B) are shaping effects via focused beam milling or crater formation. (C) and (D) are height changes induced in vacuum and in air

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

• unconventional strong electron–electron interactions, present in superlattices formed in twisted bilayered and trilayered graphene, led to the emergence of a new field called “twistronics” – just to highlight recent remarkable discoveries such as superconductivity [2][3], topological phases [4][5], and the

• , the data reveal phenomena emerging from electron-induced interactions of adsorbed water molecules with SiO2, which have not been reported up to now. We observe that at low electron doses, the method provides a high spatial resolution and induces a low amount of defects in nonexposed areas of graphene

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

• hydroxyl group by hydrogen or chemical bonding. The formation of silica particles from hydrolysis and condensation of VTES may occur on the GO surface and in water. The unreacted vinyl group in GO-VTES may have possible interactions with rubber particles through radical graft copolymerization, same as

• entropic elasticity of NR. Notably, values of tan δ for DPNR/GO-VTES(a) and DPNR/GO-VTES(b) sharply decreased with frequency. This suggests that the energy may be dissipated faster in DPNR/GO-VTES(a) and DPNR/GO-VTES(b) than in DPNR and DPNR/GO. The absence of chemical interactions between NR and GO-VTES

Ferromagnetic resonance spectra of linear magnetosome chains

• Elizaveta M. Gubanova and
• Nikolai A. Usov

Beilstein J. Nanotechnol. 2024, 15, 157–167, doi:10.3762/bjnano.15.15

• of magnetic anisotropy, the direction of the particle easy anisotropy axes, and other parameters. In addition, the FMR spectrum is sensitive to the presence of magnetostatic interactions in dense assemblies of magnetic nanoparticles. Thus, ferromagnetic resonance spectroscopy is a promising technique

• correct interpretation of the FMR spectra, it is highly desirable to use the results of detailed micromagnetic modeling, which takes into account the main physical factors affecting the FMR spectra, including the effect of strong magnetic dipole interactions in magnetosome chains. Both magnetosomes grown

• strong magnetic dipole interactions between the particles of the chain, as well as the effect of thermal fluctuations of magnetic moments of nanoparticles at a finite temperature. Using this approach, in this paper the FMR spectra of oriented assemblies of linear chains of quasi-spherical magnetosomes

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

• . Furthermore, the electrostatic and intermolecular interactions of aptamer–TMB increased the substrate affinity of NPLs. As a result, the catalytic efficacy of Ag/Pt NPL was improved, resulting in a deeper blue signal (Figure 2a, Figure 2b) [32][33]. The zeta potentials of Ag/Pt NPLs, aptamer-NPLs, aptamer

Study of the reusability and stability of nylon nanofibres as an antibody immobilisation surface

• Inés Peraile,
• Matilde Gil-García,
• Laura González-López,
• Nushin A. Dabbagh-Escalante,
• Juan C. Cabria-Ramos and
• Paloma Lorenzo-Lozano

Beilstein J. Nanotechnol. 2024, 15, 83–94, doi:10.3762/bjnano.15.8

• obtained with the high-salinity commercial Ag/Ac elution buffer pH 6.6, which operates under near-neutral conditions but has a high salt content. The structures of protein A/G and nylon and their interactions may explain all these results. On the one hand, protein A/G binds to the constant fraction (Fc) of

• the antibody by hydrophobic interactions through binding sites inside of its three-dimensional structure [21][22]. The polar side chains are located on the outside of the protein molecule, allowing the protein to form hydrogen bonds with nylon. On the other hand, nylon is a polyamide that contains

• of hydrophobic interactions [21][22]. Acidic pH values below 5 cause protein A/G to separate from antibody, probably by imposing positive charges on amino acids with pKa values above 5, such as histidine, as described in Zarrineh et al. for the interaction between protein A and the Fc of antibody [25

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

• ][2][3]. The methods of synthesising hydrogels are divided into two basic groups, including physical and chemical cross-linking. Physical cross-linking methods, which are mainly related to the synthesis of natural hydrogels, include changes in intermolecular interactions (e.g., hydrophobic

• interactions, ionic cross-linking, and hydrogen-bonded gels). Chemically synthesised hydrogels are produced by covalent cross-linking pathways such as radical polymerisation, radiation cross-linking, grafting, thermogelation, enzymatic reactions, and click chemistry [4][5]. Hydrogel materials have quite a long

Curcumin-loaded nanostructured systems for treatment of leishmaniasis: a review

• Douglas Dourado,
• Thayse Silva Medeiros,
• Éverton do Nascimento Alencar,
• Edijane Matos Sales and
• Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 37–50, doi:10.3762/bjnano.15.4

• delivery specific to macrophage targets, such as ᴅ-mannose, phosphatidylserine, or lactoferrin. This may reduce the drug resistance of the parasite in the long term. Furthermore, the surface charge of nanostructures may influence internalization since positive charges favor electrostatic interactions of

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

• KE diad (e.g., catestatin) [13]. During the formation process, hydroxy groups of dopamine form hydrogen bonds with carboxylic groups (COO−) of glutamate (pKa = 4.3), whereas protonated amino groups (NH3+) of lysine (pKa = 10.5) further stabilize the aggregate by cation–π interactions with the

• destabilization of the bacterial cell membrane by interactions with the nanocarriers (thus allowing for the penetration of the drug into the bacteria) is not known (Figure 1e). Yet, the accumulation of ONPs in bacterial cells is crucial if ONPs are to be used for fluorescent labelling of cells. Also, in the case

• and Ball [14] and Bergtold et al. [13], human serum albumin and other proteins play an important role in size control and stability of PDA NPs. Similarly, the stability of BSA/PDA NPs is probably due to BSA thanks to the strong PDA/KE interactions reported by Bergtold et al. This is supported by the

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

• electron–molecule interactions in FEBID, it is critical to understand the extent and nature of these processes and how they are reflected in the deposit formation from individual precursors or specific ligand structures. A very interesting approach in this direction was recently introduced by Jurczyk et al

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

• “reinforcement” methods for overcoming the inherent drawbacks of using photoresist masters. We show that the PU nanopillars and nanoholes increase the neurite length of pheochromocytoma 12 (PC12) cells through unique growth cone interactions. Moreover, we demonstrate, for the first time, that hierarchically