Ultrathin water layers on mannosylated gold nanoparticles

• Maiara A. Iriarte Alonso,
• Jorge H. Melillo,
• Silvina Cerveny,
• Yujin Tong and
• Alexander M. Bittner

Beilstein J. Nanotechnol. 2025, 16, 2183–2198, doi:10.3762/bjnano.16.151

• and hydrophobic conditions, respectively. Gwyddion software version 2.47 was used for displaying the topography images. The images were first levelled by mean plane subtraction and aligned by height median; occasionally, the z excursion outliers were manually removed by, for example, correction of the

Quality by design optimization of microemulsions for topical delivery of Passiflora setacea seed oil

• Daniel T. Pereira,
• Douglas Dourado,
• Danielle T. Freire,
• Dayanne L. Porto,
• Cícero F. S. Aragão,
• Myla L. de Souza,
• Guilherme R. S. de Araujo,
• Ana Maria Costa,
• Wógenes N. Oliveira,
• Anne Sapin-Minet,
• Éverton N. Alencar and
• Eryvaldo Sócrates T. Egito

Beilstein J. Nanotechnol. 2025, 16, 2116–2131, doi:10.3762/bjnano.16.146

• same conditions for comparative purposes. Quality by design framework The development of the microemulsion system was guided by a QbD strategy, aligned with ICH Q8(R2) guidelines [57]. This framework was employed to define the QTPP and CQAs, CMAs, and CPPs relevant to the topical delivery of P. setacea

Calibration of piezo actuators and systems by dynamic interferometry

• Knarik Khachatryan and
• Michael Reichling

Beilstein J. Nanotechnol. 2025, 16, 2086–2091, doi:10.3762/bjnano.16.143

• calibration, is highly accurate when performed with a perfectly aligned interferometer. A high-precision measurement based on an expanded dataset as described in [13] yields a value of Sprec = (33.26 ± 0.27) nm/V for the amplitude calibration factor. For testing the calibration accuracy for the misaligned

• calibration factors determined with the aligned or misaligned interferometer are compiled in Table 1. The weighted mean of the calibration factors for the misaligned interferometer (frozen loop) is determined as = (30.84 ± 0.15) nm/V, while in the measurements in which misalignment was corrected before each

• that the misalignment and the fiber piezo motion history may deteriorate the excitation system calibration. This is probably due to piezo hysteresis and the fit procedure that has been optimized for the perfectly aligned interferometer [13] but not extensively tested for the misaligned interferometer

Molecular and mechanical insights into gecko seta adhesion: multiscale simulations combining molecular dynamics and the finite element method

• Yash Jain,
• Saeed Norouzi,
• Tobias Materzok,
• Stanislav N. Gorb and
• Florian Müller-Plathe

Beilstein J. Nanotechnol. 2025, 16, 2055–2076, doi:10.3762/bjnano.16.141

• neighboring beads via harmonic bonds, where r is the distance between the two beads, and b0 is the initial (equilibrium) distance between them. Their force constants K increased when the bonds aligned with the local keratin fibril direction, where k is the base isotropic force constant identical for all bonds

• averaged, the three different forces in Figure 8a remain closely aligned until detachment begins. Beyond this point, the curves begin to diverge. This divergence is not primarily due to the physical mechanics of detachment, but rather due to the limited number of FEM–MD iterations per load step in our runs

Beyond the shell: exploring polymer–lipid interfaces in core–shell nanofibers to carry hyaluronic acid and β-caryophyllene

• Aline Tavares da Silva Barreto,
• Francisco Alexandrino-Júnior,
• Bráulio Soares Arcanjo,
• Paulo Henrique de Souza Picciani and
• Kattya Gyselle de Holanda e Silva

Beilstein J. Nanotechnol. 2025, 16, 2015–2033, doi:10.3762/bjnano.16.139

• solution and the other with the HA solution or a mix of HA+NE to the core. Each syringe was connected to an individual syringe pump for independent control of flow rate. The coaxial needle assembly comprised two stainless steel needles concentrically aligned, with an 18G outer needle for the shell solution

Beyond the bilayer: multilayered hygroscopic actuation in pine cone scales

• Kim Ulrich,
• Max David Mylo,
• Tom Masselter,
• Fabian Scheckenbach,
• Sophia Fischerbauer,
• Martin Nopens,
• Silja Flenner,
• Imke Greving,
• Linnea Hesse and
• Thomas Speck

Beilstein J. Nanotechnol. 2025, 16, 1695–1710, doi:10.3762/bjnano.16.119

• information. DVC was performed using the image registration software Elastix with its implemented B-spline transformation (ver. 5.1.0) [39]. The images were aligned in a two-step process, first with an affine transformation and then with a B-spline transformation. For both steps, a pyramidal approach with

Energy spectrum and quantum phase transition of the coupled single spin and an infinitely coordinated Ising chain

• Seidali Seidov,
• Natalia Pugach and
• Anatolie Sidorenko

Beilstein J. Nanotechnol. 2025, 16, 1668–1676, doi:10.3762/bjnano.16.117

• mostly aligned along the z-axis due to the large term. Effectively, an interaction with the single spin creates a strong magnetic field parallel to the single spin direction. Thus, the perpendicular component of the “magnetic field” can be considered as a small perturbation. Formally, this means that

• is aligned along the positive direction of the z-axis, and in configuration 2 – along the negative direction. Remarkably, configuration 1 is unstable for the bare LMG model. Configuration 3 is not realized and in configuration 4 both symmetric and broken symmetry extrema are minima, meaning that one

• ” configurations in Figure 2b. In configuration 1, two minima correspond to symmetric phases with the total spin aligned along the positive and negative directions of the z-axis. One of the phases is stable and the other is metastable, so a first order phase transition between them is possible. In configuration 2

Photocatalytic degradation of ofloxacin in water assisted by TiO₂ nanowires on carbon cloth: contributions of H₂O₂ addition and substrate absorbability

• Iram Hussain,
• Lisha Zhang,
• Zhizhen Ye and
• Jin-Ming Wu

Beilstein J. Nanotechnol. 2025, 16, 1567–1579, doi:10.3762/bjnano.16.111

• Environmental and Optoelectronic Applications, Institute of Wenzhou, Zhejiang University, Wenzhou 325006, P. R. China 10.3762/bjnano.16.111 Abstract Vertically aligned TiO2 nanowires demonstrate exceptional photoactivity owing to their high specific surface area and improved charge separation; however, their

• TiO2 nanowires, while largely retaining their original one-dimensional morphology. Figure 1b–d presents representative FESEM images of the resulting TiO2 nanowires uniformly deposited on the carbon cloth substrate. Each carbon fiber is evenly coated with quasi-aligned nanowires that radiate outward

• . Figure 9a shows the photocatalytic degradation curves and the corresponding fit results assuming a pseudo-first-order reaction for OFL with an initial concentration of 50 ppm and in the presence of TiO2 nanowires quasi-aligned on carbon cloth and metallic Ti substrates. The efficiency is also compared

Deep-learning recognition and tracking of individual nanotubes in low-contrast microscopy videos

• Vladimir Pimonov,
• Said Tahir and
• Vincent Jourdain

Beilstein J. Nanotechnol. 2025, 16, 1316–1324, doi:10.3762/bjnano.16.96

• , horizontally aligned carbon nanotubes (HA-CNTs) were synthesized inside a miniature chemical vapor deposition (CVD) cell with an optical window (Linkam TS1500). ST-cut quartz and iron nanoparticles served as substrate and catalyst, respectively. Ethanol and argon were, respectively, used as carbon precursor

• localization precision of the optical setup is 0.33 µm. Frames were then aligned using a template matching algorithm from the OpenCV Python library. Shade correction was applied to compensate for uneven illumination caused by the optics. Residual noise was reduced using fast Fourier transform (FFT) band-pass

Deep learning for enhancement of low-resolution and noisy scanning probe microscopy images

• Samuel Gelman,
• Irit Rosenhek-Goldian,
• Nir Kampf,
• Marek Patočka,
• Maricarmen Rios,
• Marcos Penedo,
• Georg Fantner,
• Amir Beker,
• Sidney R. Cohen and
• Ido Azuri

Beilstein J. Nanotechnol. 2025, 16, 1129–1140, doi:10.3762/bjnano.16.83

• aligned with the human perception evaluation and can be even inversely related to fidelity metrics [20]. These metrics are based, for example on contrast, texture richness, and feature frequency. This is of heightened importance for AFM images that may suffer from ubiquitous artifacts and blurring effects

• to align and crop the images so that corresponding low- (or the model-reconstructed high-resolution image) and high-resolution GT images were perfectly aligned. In addition to reference-based fidelity methods, no-reference methods were used to assess the quality of the 4× upscaled images. In this

• assessed image fidelity and quality. They were provided with all images in each data set. For each image, a set of images was supplied. Each set contained four images aligned in a row. The left most image was the GT image taken experimentally and was labeled as such. The other three (unlabeled) images were

Towards a quantitative theory for transmission X-ray microscopy

• James G. McNally,
• Christoph Pratsch,
• Stephan Werner,
• Stefan Rehbein,
• Andrew Gibbs,
• Jihao Wang,
• Thomas Lunkenbein,
• Peter Guttmann and
• Gerd Schneider

Beilstein J. Nanotechnol. 2025, 16, 1113–1128, doi:10.3762/bjnano.16.82

• component, for example, a tilt of the incoming beam relative to the optical axis defined by the zone plate and camera (Figure 4c). In this case, the condenser will be aligned relative to the tilted incoming beam and will lead to polar angles θ of plane wave illumination that vary as a function of the

Piezoelectricity of hexagonal boron nitrides improves bone tissue generation as tested on osteoblasts

• Sevin Adiguzel,
• Nilay Cicek,
• Zehra Cobandede,
• Feray B. Misirlioglu,
• Hulya Yilmaz and
• Mustafa Culha

Beilstein J. Nanotechnol. 2025, 16, 1068–1081, doi:10.3762/bjnano.16.78

• microscopy (PFM, Nanomagnetic Instruments, UK) was applied to evaluate nanoscale piezoelectric behavior using self-aligned conducting EFM probes with a spring constant of 2.8 N/m and a resonance frequency of 75 kHz. In vitro analyses To investigate the influence of hBNs and BaTiO3 with US therapy on

Soft materials nanoarchitectonics: liquid crystals, polymers, gels, biomaterials, and others

• Katsuhiko Ariga

Beilstein J. Nanotechnol. 2025, 16, 1025–1067, doi:10.3762/bjnano.16.77

• exhibit both order and a flexible structure [244][245][246][247], similar to that observed in liquid crystals. Plastic crystals are composed of three-dimensional crystal lattices that are regularly aligned along the long molecular axis. However, at the level of molecular species or molecular ions, there

• strategy for the dynamic control of uniformly aligned thermoresponsive gold nanorods on solid substrates via the application of polymer brushes (Figure 12) [264]. Cationic gold nanorods and thermoresponsive gold nanorods are attached to anionic polymer brushes through moderate electrostatic forces

• , resulting in vertically aligned arrays of gold nanorods. The polymer brushes consist of alkyl-terminated hexaethylene glycol derivatives, functioning as thermoresponsive ligands. Upon heating, the gold nanorods assemble within the polymer brushes, maintaining their vertical orientation. Upon cooling, the

Heat-induced transformation of nickel-coated polycrystalline diamond film studied in situ by XPS and NEXAFS

• Olga V. Sedelnikova,
• Yuliya V. Fedoseeva,
• Dmitriy V. Gorodetskiy,
• Yuri N. Palyanov,
• Elena V. Shlyakhova,
• Eugene A. Maksimovskiy,
• Anna A. Makarova,
• Lyubov G. Bulusheva and
• Aleksandr V. Okotrub

Beilstein J. Nanotechnol. 2025, 16, 887–898, doi:10.3762/bjnano.16.67

• dependence for highly oriented pyrolytic graphite [51], and is similar to the dependence for a film of vertically aligned carbon nanotubes [52]. In layered graphite, there is a separation of electron orbitals with respect to symmetry: σ orbitals lie in the basal plane of graphite, while π orbitals are

Synchrotron X-ray photoelectron spectroscopy study of sodium adsorption on vertically arranged MoS₂ layers coated with pyrolytic carbon

• Alexander V. Okotrub,
• Anastasiya D. Fedorenko,
• Anna A. Makarova,
• Veronica S. Sulyaeva,
• Yuliya V. Fedoseeva and
• Lyubov G. Bulusheva

Beilstein J. Nanotechnol. 2025, 16, 847–859, doi:10.3762/bjnano.16.64

• remain poorly understood with respect to sodium-ion storage behavior. Comprehensive studies in this direction are needed. In this work, a thin MoS2 film with vertically aligned layers was coated by a thin film of pyrolytic carbon (PyC) with predominantly horizontal orientation of graphitic domains. The

• interior of the film. After annealing, the Na/Mo ratio decreased both on the surface and in the bulk of the MoS2 film. The results show that sodium can easily penetrate into the film consisting of vertically aligned MoS2 layers and be partially released during annealing. The concentration of Na in the PyC

• sodium during the charge–discharge of SIBs. Conclusion Synchrotron XPS tool is invoked to study sodium adsorption/desorption in thin films of graphitic PyC, vertically aligned MoS2 layers, and PyC-MoS2. The MoS2 film with a thickness of about 4 nm was synthesized by sulfurization of a molybdenum layer

Synthesis and magnetic transitions of rare-earth-free Fe–Mn–Ni–Si-based compositionally complex alloys at bulk and nanoscale

• Shabbir Tahir,
• Tatiana Smoliarova,
• Carlos Doñate-Buendía,
• Michael Farle,
• Natalia Shkodich and
• Bilal Gökce

Beilstein J. Nanotechnol. 2025, 16, 823–836, doi:10.3762/bjnano.16.62

• exhibit superparamagnetic behavior, where magnetic moments of particles fluctuate due to thermal energy but can be aligned under an external field. Above TB, thermal fluctuations dominate, causing a transition to a superparamagnetic fluctuating state. This transition is particularly relevant for

• of magnetic moments, reducing the measured magnetization at low fields compared to the bulk, where the moments remain fully aligned. Additionally, the formation of an oxide shell (≈2.5 nm thick) on Ge-based NPs further contributes to a decrease in Ms by reducing the magnetically active volume. At 5 K

Thickness dependent oxidation in CrCl₃: a scanning X-ray photoemission and Kelvin probe microscopies study

• Shafaq Kazim,
• Rahul Parmar,
• Maryam Azizinia,
• Matteo Amati,
• Muhammad Rauf,
• Andrea Di Cicco,
• Seyed Javid Rezvani,
• Dario Mastrippolito,
• Luca Ottaviano,
• Tomasz Klimczuk,
• Luca Gregoratti and
• Roberto Gunnella

Beilstein J. Nanotechnol. 2025, 16, 749–761, doi:10.3762/bjnano.16.58

• point T (thick). The spectra were aligned with respect to our previously published high-resolution photoemission spectra at 150 eV photon energy [8]. The alignment is shown in Supporting Information File 1, Figure S3. The surface potential values of CrCl3 flakes after several experiments as function of

Polyurethane/silk fibroin-based electrospun membranes for wound healing and skin substitute applications

• Iqra Zainab,
• Zohra Naseem,
• Syeda Rubab Batool,
• Muhammad Waqas,
• Ahsan Nazir and
• Muhammad Anwaar Nazeer

Beilstein J. Nanotechnol. 2025, 16, 591–612, doi:10.3762/bjnano.16.46

Feasibility analysis of carbon nanofiber synthesis and morphology control using a LPG premixed flame

• Iftikhar Rahman Bishal,
• Muhammad Hilmi Ibrahim,
• Norikhwan Hamzah,
• Mohd Zamri Mohd Yusop,
• Faizuan Bin Abdullah,
• I Putu Tedy Indrayana and
• Mohd Fairus Mohd Yasin

Beilstein J. Nanotechnol. 2025, 16, 581–590, doi:10.3762/bjnano.16.45

• deposition with nickel as the catalyst and hydrogen as the plasma source. SEM and TEM characterization showed vertically aligned CNFs. This method highlights the impact of plasma conditions and gas ratios on CNF morphology and alignment [12]. An experiment by Li et al. showed CNT growth at decomposition

• at 1607 cm−1 and a few broad peaks, indicating less graphitization [14]. In another work, a high-density inductively coupled plasma chemical vapor deposition method yielded vertically aligned CNFs using acetylene and hydrogen on a p-type Si wafer with a 10 nm Ni catalyst layer at 20 mTorr and 550 °C

Enhancing mechanical properties of chitosan/PVA electrospun nanofibers: a comprehensive review

• Nur Areisman Mohd Salleh,
• Amalina Muhammad Afifi,
• Fathiah Mohamed Zuki and
• Hanna Sofia SalehHudin

Beilstein J. Nanotechnol. 2025, 16, 286–307, doi:10.3762/bjnano.16.22

• chains in the fibers are not properly aligned, resulting in non-uniform mechanical and structural properties [23]. The incomplete crystallization of the fibers caused by the short and weak stretch process gives the fibers poor mechanical properties [24]. Last, there is the fibers’ random orientation

• improved the antimicrobial activity of the nanofibers against a wide range of bacteria [190]. In tissue engineering applications, aligned fibers are particularly effective as they better mimic the inductive environment, such as that of human tendon stem/progenitor cells, compared to random fibers [191

• ]. Aligned fibers also guide human mesenchymal stem cells toward cardiomyogenesis and enhance myoblast differentiation [192][193]. Research has demonstrated that aligned nanofibers can accelerate the recovery of highly organized structures, such as nerve cells, tendons, and ligaments. Additionally, aligned

A review of metal-organic frameworks and polymers in mixed matrix membranes for CO₂ capture

• Charlotte Skjold Qvist Christensen,
• Nicholas Hansen,
• Mahboubeh Motadayen,
• Nina Lock,
• Martin Lahn Henriksen and
• Jonathan Quinson

Beilstein J. Nanotechnol. 2025, 16, 155–186, doi:10.3762/bjnano.16.14

Characterization of ZnO nanoparticles synthesized using probiotic Lactiplantibacillus plantarum GP258

• Prashantkumar Siddappa Chakra,
• Aishwarya Banakar,
• Shriram Narayan Puranik,
• Vishwas Kaveeshwar,
• C. R. Ravikumar and
• Devaraja Gayathri

Beilstein J. Nanotechnol. 2025, 16, 78–89, doi:10.3762/bjnano.16.8

• then aligned, forming the basis for the reconstruction of a phylogenetic tree. This reconstruction was carried out using the maximum likelihood method and involved employing a bootstrap value of 1000 replications to establish evolutionary relationships among the gathered Lactiplantibacillus sequences

Out-of-plane polarization induces a picosecond photoresponse in rhombohedral stacked bilayer WSe₂

• Guixian Liu,
• Yufan Wang,
• Zhoujuan Xu,
• Zhouxiaosong Zeng,
• Lanyu Huang,
• Cuihuan Ge and
• Xiao Wang

Beilstein J. Nanotechnol. 2024, 15, 1362–1368, doi:10.3762/bjnano.15.109

• monolayers of WSe2 were aligned at a 0° angle to form the 3R phase. The graphene/3R WSe2/graphene heterojunctions were aligned and assembled onto a SiO2/Si substrate by the all-dry transfer method. Au/Cr (50/10 nm) electrodes were patterned using standard electron-beam lithography (EBL, Raith 150 Two) and

New design of operational MEMS bridges for measurements of properties of FEBID-based nanostructures

• Bartosz Pruchnik,
• Krzysztof Kwoka,
• Ewelina Gacka,
• Dominik Badura,
• Piotr Kunicki,
• Andrzej Sierakowski,
• Paweł Janus,
• Tomasz Piasecki and
• Teodor Gotszalk

Beilstein J. Nanotechnol. 2024, 15, 1273–1282, doi:10.3762/bjnano.15.103

• different FIB parameters. An example of such a setup would be the cantilever described in [43]. On the base of the aligned opMEMS, a FEBID nanowire was deposited (Figure 7a) in a single-step process, where point-by-point deposition was performed along the pattern line using the following parameters: 5 keV

Signal generation in dynamic interferometric displacement detection

• Knarik Khachatryan,
• Simon Anter,
• Michael Reichling and
• Alexander von Schmidsfeld

Beilstein J. Nanotechnol. 2024, 15, 1070–1076, doi:10.3762/bjnano.15.87

• measurements of DC and AC signals with a bandwidth of 200 MHz. The interferometer is precisely aligned via a tube piezo controlled by the R9 control system (RHK Technology Inc., Troy, MI, USA). Cantilever excitation with a sine wave voltage with a well-defined amplitude Vexc and overall experiment control is