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

• symmetries in the ZnS wurtzite phase in non-polarized measurements, (iii) some contribution from the surface optical SO modes, which are inherent to porous and nanostructured materials [37][38], (iv) interaction of LO phonon modes with plasmons (LOPC), and (v) effects of strain and phonon confinement [37

• [43]. The adsorption of oxygen species from the environment on the sample surface promoted by oxygen vacancies results also in a strong interaction between the photoexcited electrons captured by oxygen vacancies and the adsorbed oxygen species. The formation of the SnO2 phase in the prepared aero-ZnS

Photocatalytic degradation of methylene blue under visible light by cobalt ferrite nanoparticles/graphene quantum dots

• Vo Chau Ngoc Anh,
• Le Thi Thanh Nhi,
• Le Thi Kim Dung,
• Dang Thi Ngoc Hoa,
• Nguyen Truong Son,
• Nguyen Thi Thao Uyen,
• Nguyen Ngoc Uyen Thu,
• Le Van Thanh Son,
• Le Trung Hieu,
• Tran Ngoc Tuyen and
• Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 475–489, doi:10.3762/bjnano.15.43

• afterwards (Figure 7b). This could possibly be due to the fact that at low pH, the increase in pH makes the surface of CF/GQDs and MB become less positive, and the attractive interaction increases. In contrast, at high pH, the increasing pH makes the surface of CF/GQDs and MB become more negative; as a

• iodide (KI), potassium bromate (KBrO3), and p-benzoquinone (BQ) were used as scavengers to capture hydroxyl radicals (•OH), photo-induced holes (h+), photo-induced electrons (e−), and superoxide anions respectively. As can be seen, IPA exhibits a strong interaction with the hydroxyl radical through a

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

• distance to the electron beam focus. The interaction of the incident and scattered electrons with the substrate and adsorbed precursor layer causes the dissociation of the precursor molecules. This results in either deposition of solid precursor fragments (focused electron beam-induced deposition, FEBID

• occurs when the electron energy matches that of an anion state. Other dissociation channels, such as neutral dissociation (ND) and dissociative ionization (DI), are threshold processes, but their efficiency declines above roughly 100 eV because the interaction time with the molecule becomes too short

• outward-sloping profile. The experimental results therefore demonstrate the need for a new model. Modelling of sidewall modification by FEBIE A realistic model of FEBIE involves precise knowledge of the distribution of electrons generated by the interaction of the primary beam with the substrate and the

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

• agreement with the experimental observations. Our finding suggests that heat-induced fragmentation of metallic nanowires in general cannot be purely explained by the commonly accepted Rayleigh instability model, but should include effects related to the interaction with the substrate. Single Ag NW suspended

Unveiling the nature of atomic defects in graphene on a metal surface

• Karl Rothe,
• Nicolas Néel and
• Jörg Kröger

Beilstein J. Nanotechnol. 2024, 15, 416–425, doi:10.3762/bjnano.15.37

• of this resonance. Indeed, the resonance was not observed at all graphene defects on Pt(111). At some sites, it was quenched because of an increased interaction between the defect and the metal [55]. Therefore, the absence of a similar resonance in dI/dV spectra of graphene defects on Ir(111) may be

• due to an increased graphene–metal interaction compared with Pt(111), although both graphene–metal hybrid structures belong to the weak-hybridization regime [43]. Another rationale is the deviation of the observed defects 1 and 2 from a monatomic vacancy site, which will further be explored in the

• one may expect a similar Au–C bond as proposed for graphene on SiC(0001). Most likely, the graphene–Ir(111) coupling is stronger than the graphene–SiC(0001) interaction and, thereby, prevents an identifiable lifting of graphene from the metal surface. The dangling bonds of the defect, however, can

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

• . Another study employed CD44–hyaluronic acid interaction to endow a diselenide-bridged hyaluronic acid nanogel (SeNG) with the ability to specifically accumulate at CD44-overexpressed inflammatory cells [103]. Both in vitro and in vivo experiments demonstrated that the designed SeNG could not only

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

• –matter interaction in low-energy regimes is well understood; however, a few empirical additions have been taking place in the formulism based upon the experimental observations [29][30]. A large group of theoreticians have contributed to the already existing classic description given by Bradley and

• the DICADA code. (C) Density of point defects with an increase in ion fluence. (D) Schematic representation of the analysis of amorphous (c) and amorphous/crystalline (b) zones with RBS-c. Schematic representation of various defects produced due to low-energy ion interaction with target atoms

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

• loop may be attributed to multidomain structures in the long NiCu segment and wire-to-wire variations of the interaction between the segments of the nanowires. Several jumps and drops are observed, which are mainly mirror-symmetrically distributed in the upsweep and downsweep curves. Since dV/dI

• layers except for the fully antiparallel (AP) and fully parallel (P) configurations can exist; therefore, more than one free layer might contribute to the MR and STT effects discussed below. They can be understood by the unequal coercivities and interaction of different NiCu layers due to the varying

• stiffness, the dipolar stray field, and the anisotropy field caused by the spin–orbit interaction [34]. Since the magnetization of layer 1 () and layer 3 () are both parallel to the applied magnetic field (here: positive), the exchange stiffness as well as the dipolar stray field on layer 2 point in the

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

• case of BNZ, it is important to note that the potential toxicity of oral BNZ-loaded nanomedicines would result from absorbed free BNZ. The toxicity of intravenous nanomedicines (e.g., pH-sensitive liposomes or polymersomes) instead, would be caused by the interaction of the nanomedicine structure with

Exploring the relationships between physiochemical properties of nanoparticles and cell damage to combat cancer growth using simple periodic table-based descriptors

• Joyita Roy and
• Kunal Roy

Beilstein J. Nanotechnol. 2024, 15, 297–309, doi:10.3762/bjnano.15.27

• well as in biological systems. Since the cell membrane is negatively charged, the interaction between NPs and cell membrane or organelles can be highly influenced by the zeta potential. There is an increased interest in integrating data on metal oxides in the field of nanotoxicology that would be able

• protein corona. The formation of a protein corona on the surface of NPs, which influences the interaction with cell membranes or proteins, is also associated with zeta potential and surface charge. Very limited studies have reported the influence of zeta potential, surface charge, hydrophobicity, and

• biocompatibility on NP toxicity. These properties of NPs determine their toxicity and interaction with the cell membrane damaging human health and the environment [12]. The toxic effect of NPs can be used as a medical treatment for diseases at the cellular level, that is, targeting and destroying cancerous cells

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

• . However, the high temperature used in the CVD synthesis and interaction with the substrate can lead to lattice distortion and the presence of vacancies and doping. In the following, we limit our study to a number of layers N ≤ 4. Figure 4a compares the values of ΔωA−E measured on exfoliated (Figure 4a

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

• ], monitoring human health [6][7][8], medical treatment [9][10], soft robotics [11][12], and human–computer interaction [13][14][15]. Numerous flexible strain sensors employing various mechanisms such as piezoresistivity [16][17], capacitance [18][19], and piezoelectricity have been developed to fulfill the

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

• an infrared thermal imaging camera. Additionally, the photothermal stability of both PDA/Fe3O4 NPs and VNB/PDA/Fe3O4 NPs (at a concentration of 0.1 mg/mL and in a total volume of 1 mL) was assessed through a 5 min interaction with an 808 nm (1 W/cm2) NIR laser followed by a cooling process, for four

• effects. Determination of photothermal drug release To investigate the effect of NIR laser interaction on drug release, VNB/PDA/Fe3O4 NPs were irradiated with an 808 nm NIR laser at a power density of 1 W/cm2 for 5 min at different time intervals (15, 30, 45, 60, 120, 240, and 300 min). After exposing VNB

• interaction at the tumor site. The synthesized VNB/PDA/Fe3O4 NPs hold promise for effective photothermal therapy, magnetic targeting, MRI imaging, and chemotherapeutic capabilities in future studies. Conclusion In this study, we successfully synthesized VNB/PDA/Fe3O4 NPs with combined photothermal therapy and

Quantitative wear evaluation of tips based on sharp structures

• Ke Xu and
• Houwen Leng

Beilstein J. Nanotechnol. 2024, 15, 230–241, doi:10.3762/bjnano.15.22

• nanotechnology [1][2][3][4][5]. Compared to optical and electron microscopy, AFM enables three-dimensional (3D) measurements of nanostructures in air and liquid environments [6]. The interaction between the tip and sample influences the measurement results of AFM by convoluting the tip topography with the sample

• commonly known as the broadening effect of the probe tip. In mathematical morphology, the scanning image acquired during the AFM imaging process results from the interaction between sample and tip. The mathematical morphology (Equation 1) can describe the scanning image obtained from AFM. This formula

• alterations caused by wear during the scanning process. An increase in ETD indicated wear and deformation of the tip, while a consistent ETD suggested minimal wear. Additionally, Ra was utilized to assess changes in image quality resulting from tip wear. As the tip wears, the interaction with the sample

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

• and product quality. Aluminum is widely used in food packaging and food processing applications, including dairy products. However, the interaction between aluminum and milk content requires further investigation to understand its implications. In this work, we present the results of multiscale

• modelling of the interaction between various surfaces, that is (100), (110), and (111), of fcc aluminum with the most abundant milk proteins and lactose. Our approach combines atomistic molecular dynamics, a coarse-grained model of protein adsorption, and kinetic Monte Carlo simulations to predict the

• proteins and lactose adsorption affinities based on their corresponding interaction strength with aluminum surfaces and predicted the content of the naturally forming biomolecular corona. Our comprehensive investigation sheds light on the implications of aluminum in food processing and packaging

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

• unperturbed. Present stability and nature of damages on DNA origami nanostructures enable fusion of DNA origami advantages such as shape and positioning control into novel ion beam nanofabrication approaches. Keywords: DNA nanotechnology; DNA origami; FIB; heavy ions; Introduction Ion beam interaction with

• present an opportunity for their use in combination with ion beam processing. In the present work, we focus on the stability of DNA origami nanostructures deposited on the surface upon irradiation with heavy ions at different interaction regimes that model the most common types of ion processing

• modalities [18]. The first type of irradiation, at energies above 1 MeV per nucleon, is an example of swift heavy ion (SHI) irradiation. SHI interaction with materials is dominated by electronic stopping power. Electronic excitation typically forms narrow (several nanometers in diameter) ionization tracks in

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

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

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

• localization of Cooper pairs near the transition. In addition, in the presence of significant disorder, almost localized electronic wave functions show their fractal nature [50], which leads to an increase of the interaction matrix elements near the superconductor–insulator transition. This work elucidates how

• this mechanism, which controls superconductivity in strongly disordered materials, is modified when the disorder becomes correlated. Model Superconductivity characteristics of a disordered superconductor are investigated using an attractive Hubbard lattice Hamiltonian with point interaction, introduced

• functions within the same disorder potential. Further details of the Anderson approximation for granules and the corresponding investigation of interaction constant matrix elements are available in [68][69] and also in [6], where the method of matrix element analysis is referred to as the inverse

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

• al. [13]. A direct graphene etching was proposed using a thin ice layer on top of the graphene surface. Upon interaction with electrons, the ice is dissociated into the reactive ions H+ or OH−, which subsequently interact with carbon atoms and form volatile species [14]. This method is modified based

• Chen et al. [26] as an effect of the interaction with strong trapped charges (holes), although under much higher electron doses (>3 × 106 nC/μm2) or beam currents (> μA) compared to those used in our studies. For this work, we selected high-quality graphene, mechanically exfoliated onto a SiO2/Si

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

• , GO has quite poor compatibility with NR. It is necessary to modify GO to have a better interaction with the NR matrix. Various researchers have attempted to functionalize GO with silane coupling agents to prepare hybrid GO/silica fillers [25][26]. The concept is based on the hydrolysis and

• condensation reaction of VTES to form nanosilica on GO membranes, using both acidic and basic conditions to catalyze these reactions. The hybrid GO/silica fillers could enhance the interaction, dispersion, and properties of various composites. For example, GO/3-aminopropyltriethoxysilane and GO/3

• through conventional mixing on a two-roll mill. Mainly, GO/VTES was expected to improve its interaction with NR, thus enhancing the mechanical properties of NR at low deformation, along with other compressive and abrasive properties. Until now, the application of hybrid silica/GO fillers has been limited

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

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

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

• vertical force changes during a defined time window of the tip–sample interaction. Through this, we use multiple samples in the proximity of the maximum force for the feedback loop, rather than only one sample at the maximum force instant. This method leads to improved topography tracking at a given ORT

• advantage of the tip–sample interaction between the first contact point and the maximum force instant. Here, we present a detailed analysis of how the sampling rate and delay in the conventional control method in ORT modes intrinsically limit the closed-loop control of the cantilever deflection and

• feedback controller could run for all sampled points within this contact window, similarly to constant force mode (Figure 2A). This method enables the feedback controller to collect multiple sequential samples at the ADC sampling rate, within the limited time window, per ORT interaction. This provides

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

• addition of TMB and H2O2 to the paper-chip containing the aptasensor and E. coli. Due to the increase in aptamer–bacteria interaction based on paper-chip pores, this paper-based biosensor was not time-dependent and showed a fast color-change response in the absence or presence of specific target (Figure 4

• with outstanding peroxidase-like activity for the detection of E. coli in contaminated water sample were synthesized. The combination of catalytic activity and aptamer interaction allows for the specific detection of E. coli, as shown by an increase in the blue color intensity which correlates with

• ascorbic acid and 0.408 mL of the prepared Ag seed solution were dropped into the CTAB aqueous solution. The Ag nanotemplates were circular. After adding 0.8 mL of 2 M NaOH aqueous solution, the circular Ag nanotemplates were prepared. To lessen the interaction of free CTAB with the synthesis of the

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

• 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

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

• antileishmanial drugs to such sites. Overall, drug targeting results in increased treatment efficacy and reduced toxicity, mostly by reducing drug doses and preventing its interaction with unwanted receptors [30][65]. In this scenario, active targeting happens by the functionalization of nanocarriers, making drug

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

• , Adekiya et al. [40] produced PZQ encapsulated in nanoliposomes whose surface was modified with an antibody against calpain, a protein found in the tegument of the parasite and is upregulated in the regions where host–parasite interaction occurs [41]. The modified nanoparticles orally administered two or

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

• 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