Shape, membrane morphology, and morphodynamic response of metabolically active human mitochondria revealed by scanning ion conductance microscopy

• Eric Lieberwirth,
• Anja Schaeper,
• Regina Lange,
• Ingo Barke,
• Simone Baltrusch and
• Sylvia Speller

Beilstein J. Nanotechnol. 2025, 16, 951–967, doi:10.3762/bjnano.16.73

• isolated mitochondria. Remarkably, the geometric and mechanical properties of microtubules are comparable to those of the nanopipette. Microtubules are hollow structures with an opening diameter of 18 nm and a total diameter of 25–30 nm [42][43]. Their pushing force, in the range of 3–4 pN [44], is similar

Structural and magnetic properties of microwave-synthesized reduced graphene oxide/VO₂/Fe₂O₃ nanocomposite

• Sumanta Sahoo,
• Ankur Sood and
• Sung Soo Han

Beilstein J. Nanotechnol. 2025, 16, 921–932, doi:10.3762/bjnano.16.70

• GVF is reported to be 2.5 emu/g with a magnetic retentivity (Mrs) of 0.45 emu/g and coercivity of 141 Oe. Furthermore, it is speculated that the magnetic property in the case of GVF originates mostly from α-Fe2O3, with rGO being weakly magnetic and VO2 being a non-magnetic material [42][43][44][45

Focused ion beam-induced platinum deposition with a low-temperature cesium ion source

• Thomas Henning Loeber,
• Bert Laegel,
• Meltem Sezen,
• Feray Bakan Misirlioglu,
• Edgar J. D. Vredenbregt and
• Yang Li

Beilstein J. Nanotechnol. 2025, 16, 910–920, doi:10.3762/bjnano.16.69

• to 8.4 pA·μm−2. The deposition time was calculated between 4:42 and 24:24 min with ion doses ranging from 1254 to 2276 pC·μm−2. With acceleration voltages of 8, 16, and 30 kV and the used ion beam currents, the beam diameter changes from 32 to 208 nm. With the Cs+ FIB, ion beam currents between 13

Characterization of ion track-etched conical nanopores in thermal and PECVD SiO₂ using small angle X-ray scattering

• Shankar Dutt,
• Rudradeep Chakraborty,
• Christian Notthoff,
• Pablo Mota-Santiago,
• Christina Trautmann and
• Patrick Kluth

Beilstein J. Nanotechnol. 2025, 16, 899–909, doi:10.3762/bjnano.16.68

• , and the type and energy of the ions used [13][29][40]. Track-etch technology has been used for the commercial fabrication of cylindrical nanopores in polymers for filtration applications [41][42][43][44][45][46]. Only recently we have adapted this technology to generate conical nanopores in silicon

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

• a high degree of local crystallinity (i.e., high ordering of carbon atoms in the honeycomb network) and their C K-edge spectra contain a narrow and intense π*(sp2)-resonance [41][42]. However, the rather low intensity of the π*(sp2)-resonance in the spectrum of the annealed Ni-PCD film indicates

• readily transforms to sp2-hybridized carbon. For excitation at 830 eV, the sp2 peak is quite broad (1.1 eV) compared to that in the spectrum of a highly ordered graphite crystal (0.6 eV) [42]. The reason for this is the high density of defects in the carbon layer formed on the Ni-PCD surface during

Ar⁺ implantation-induced tailoring of RF-sputtered ZnO films: structural, morphological, and optical properties

• Manu Bura,
• Divya Gupta,
• Arun Kumar and
• Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 872–886, doi:10.3762/bjnano.16.66

• 450 and 650 nm, which are ascribed to the presence of defects like oxygen vacancies, oxygen interstitials, zinc vacancies, and zinc interstitials. The defects lead to the formation of sub-bandgap levels [42][43]. Further, the peak positions of these absorption peaks shift towards shorter wavelengths

Insights into the electronic and atomic structures of cerium oxide-based ultrathin films and nanostructures using high-brilliance light sources

• Paola Luches and
• Federico Boscherini

Beilstein J. Nanotechnol. 2025, 16, 860–871, doi:10.3762/bjnano.16.65

• dimensionality [42]. This effect was theoretically predicted [43], but it was never experimentally observed on chemically synthesized NPs, where an expansion typically occurs [44][45][46], possibly due to the higher Ce3+ surface concentration compared to physically synthesized NPs. The short- and long-range

• distance in CeO2 NPs of different diameter as function of the reciprocal average diameter evaluated by fitting Ce L3-edge EXAFS. The solid line is a linear fit of the data. Used with permission from [42] (“Contraction, cation oxidation state and size effects in cerium oxide nanoparticles”, by J. S. P

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

• 291.8 eV (Figure 2b), which are attributed to the electron transitions from the C 1s core levels to the π* and σ* C=C states in the graphitic structure, respectively [42]. The rather sharp shape of the π* resonance indicates the graphitic-like structure of the PyC film. Weak features appearing between

Facile one-step radio frequency magnetron sputtering of Ni/NiO on stainless steel for an efficient electrode for hydrogen evolution reaction

• Ha Huu Do,
• Khac Binh Nguyen,
• Phuong N. Nguyen and
• Hoai Phuong Pham

Beilstein J. Nanotechnol. 2025, 16, 837–846, doi:10.3762/bjnano.16.63

• importantly, the XRD image of Ni/NiO/SS-10 presents peaks at 37.20°, 43.21°, and 62.91°, which correspond to the (111), (200), and (220) planes of the NiO phase (PDF 00-004-0835) [34][35]. Meanwhile, the peak of the Ni metal phase still appeared in the Ni/NiO/SS-10 sample, proving the co-existence of metal

• smaller energy barrier for water electrolysis to produce hydrogen. These outcomes indicate that Ni/NiO/SS-10 shows the highest HER efficiency among the investigated electrodes. Its overpotential is comparable with Ni-based nanomaterials in the literature, as depicted in Table 2 [40][41][42][43][44][45][46

• recorded for 12 h. Nickel and oxygen fractions from EDX analyses. Summary of alkaline HER performance for various Ni-based electrocatalysts. Supporting Information Supporting Information File 42: XRD and HER performance of Ni/SS; EDX spectra of various Ni/NiO/SS electrodes; CV curves in non-faradaic zone

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

• available for producing CCA NPs, pulsed laser ablation in liquids (PLAL) stands out as a particularly promising method [41][42][43]. PLAL is a straightforward and versatile method that does not require expensive precursors, reducing agents, or surfactants [44][45]. The process is based on the laser

Supramolecular hydration structure of graphene-based hydrogels: density functional theory, green chemistry and interface application

• Hon Nhien Le,
• Duy Khanh Nguyen,
• Minh Triet Dang,
• Huyen Trinh Nguyen,
• Thi Bang Tam Dao,
• Trung Do Nguyen,
• Chi Nhan Ha Thuc and
• Van Hieu Le

Beilstein J. Nanotechnol. 2025, 16, 806–822, doi:10.3762/bjnano.16.61

• exhibited sharp characteristic peaks of the Zn(OH)2 crystal at 2θ = 20.2°, 20.94°, 25.07°, 27.23°, 27.83°, and 32.97° [40][41][42]. Zinc hydroxide nanocrystals (ZH) were formed on the nanocomposite during the precipitation by alkaline ammonia in the synthesis process (see Methods section). The constituents

Morphology and properties of pyrite nanoparticles obtained by pulsed laser ablation in liquid and thin films for photodetection

• Akshana Parameswaran Sreekala,
• Bindu Krishnan,
• Rene Fabian Cienfuegos Pelaes,
• David Avellaneda Avellaneda,
• Josué Amílcar Aguilar-Martínez and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 785–805, doi:10.3762/bjnano.16.60

• double layers [42]. Since acetone (2.88 D) and DMF (3.86 D) have greater dipole moments than alcohols (1.69 D), the size of FeS2 NPs produced by ablation in these solvents are expected to be smaller [43]. Results obtained in this study corroborate this finding. The diameters of NPs in IPA, ethanol, and

• transformations, are given in Figure 13. The results observed are contrary to those reported for generation of Ag NPs in different solvents [42]. They reported that acetone and water restricted the growth mechanisms and small narrow NPs of Ag were observed. In our study, though the average size of ≈17 nm for FeS2

Changes of structural, magnetic and spectroscopic properties of microencapsulated iron sucrose nanoparticles in saline

• Sabina Lewińska,
• Pavlo Aleshkevych,
• Roman Minikayev,
• Anna Bajorek,
• Mateusz Dulski,
• Krystian Prusik,
• Tomasz Wojciechowski and
• Anna Ślawska-Waniewska

Beilstein J. Nanotechnol. 2025, 16, 762–784, doi:10.3762/bjnano.16.59

• values of the nanoparticle magnetic moment and saturation magnetization for iron oxyhydroxides are often reported [5][42][43]. However, the direct comparison of μ and MS values obtained here with those from the literature may not perfectly coincide due to differences in shape, dimensions, quality of the

• crystalline structure, and the presence of a nonmagnetic coating or matrix, as all this structural features have a strong impact on the magnetic properties of the nanoparticle system [40][42][44]. The analysis carried out confirms the presence of noninteracting magnetic nanoparticles in the FS0 sample and

Efficiency of single-pulse laser fragmentation of organic nutraceutical dispersions in a circular jet flow-through reactor

• Tina Friedenauer,
• Maximilian Spellauge,
• Alexander Sommereyns,
• Verena Labenski,
• Tuba Esatbeyoglu,
• Christoph Rehbock,
• Heinz P. Huber and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 711–727, doi:10.3762/bjnano.16.55

• fenofibrate [42] by LFL is possible; however, depending on the applied power and irradiation time, an inversely proportional relationship between particle size and the portion of degradation products was reported. Previous studies using naproxen and fenofibrate as model drugs showed that using nanosecond

• lasers with a wavelength of 532 nm resulted in more degradation products compared to lasers with femtosecond pulse duration and a wavelength in the IR range [42]. Furthermore, using beclomethasone dipropionate as an example, it was also demonstrated that no submicrometer particles (SMPs) <1000 nm can be

• parameters such as wavelength and pulse duration, fragmentation setups can also affect the fragmentation efficiency. A homogeneous fluence distribution is particularly relevant for sensitive organic materials, as the amount of degradation products scales with the laser intensity used [42], which is why

Nanostructured materials characterized by scanning photoelectron spectromicroscopy

• Matteo Amati,
• Alexey S. Shkvarin,
• Alexander I. Merentsov,
• Alexander N. Titov,
• María Taeño,
• David Maestre,
• Sarah R. McKibbin,
• Zygmunt Milosz,
• Ana Cremades,
• Rainer Timm and
• Luca Gregoratti

Beilstein J. Nanotechnol. 2025, 16, 700–710, doi:10.3762/bjnano.16.54

• supercapacitors [35][36] fast spintronics [37], electrochromic devices [38][39], catalysts, and gas sensors [40][41], [42][43]. The characteristic p-type conductivity of this transition metal oxide is related to the presence of oxygen interstitials and the inherent nickel deficiency which leads to the formation

The impact of tris(pentafluorophenyl)borane hole transport layer doping on interfacial charge extraction and recombination

• Konstantinos Bidinakis and
• Stefan A. L. Weber

Beilstein J. Nanotechnol. 2025, 16, 678–689, doi:10.3762/bjnano.16.52

• cells can be attributed to either the well-documented self-healing of PSCs [42], or to difficulties accurately determining the active area of a cleaved solar cell. (a–d) SEM images showing the position of the hole and electron transport layers (HTL, ETL). (e–h) The CPD results of the cross-sectional

Colloidal few layered graphene–tannic acid preserves the biocompatibility of periodontal ligament cells

• Teissir Ben Ammar,
• Naji Kharouf,
• Dominique Vautier,
• Housseinou Ba,
• Nivedita Sudheer,
• Philippe Lavalle and
• Vincent Ball

Beilstein J. Nanotechnol. 2025, 16, 664–677, doi:10.3762/bjnano.16.51

• representative micrographs at low magnification. After examining cellular adhesion, we investigated whether FLG–TA affects the chromatin structure. DNA comes together with histone proteins to create chromatin, which is essential for processes such as replication, transcription, and repair [41][42][43]. The level

• = 405 nm, using a bandpass emission filter from 406 to 486 nm. The total nuclear volume was determined by optimizing the slicing distance [41]. CV was calculated using a MATLAB script based on Irianto et al.’s method [42], which uses a Sobel gradient-based edge detection technique to assess nuclear edge

Nanoscale capacitance spectroscopy based on multifrequency electrostatic force microscopy

• Pascal N. Rohrbeck,
• Lukas D. Cavar,
• Franjo Weber,
• Peter G. Reichel,
• Mara Niebling and
• Stefan A. L. Weber

Beilstein J. Nanotechnol. 2025, 16, 637–651, doi:10.3762/bjnano.16.49

• directly are referred to as scanning capacitance microscopy (SCM) [29][30][31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54], whereas methods measuring the capacitive tip–sample force are referred to as scanning capacitance force microscopy (SCFM) [24][25][55

A formulation containing Cymbopogon flexuosus essential oil: improvement of biochemical parameters and oxidative stress in diabetic rats

• Ailton Santos Sena-Júnior,
• Cleverton Nascimento Santana Andrade,
• Pedro Henrique Macedo Moura,
• Jocsã Hémany Cândido dos Santos,
• Cauãn Torres Trancoso,
• Eloia Emanuelly Dias Silva,
• Deise Maria Rego Rodrigues Silva,
• Ênio Pereira Telles,
• Luiz André Santos Silva,
• Isabella Lima Dantas Teles,
• Sara Fernanda Mota de Almeida,
• Daniel Alves de Souza,
• Jileno Ferreira Santos,
• Felipe José Aidar Martins,
• Ana Mara de Oliveira e Silva,
• Sandra Lauton-Santos,
• Guilherme Rodolfo Souza de Araujo,
• Cristiane Bani Correa,
• Rogéria De Souza Nunes,
• Lysandro Pinto Borges and
• Ana Amélia Moreira Lira

Beilstein J. Nanotechnol. 2025, 16, 617–636, doi:10.3762/bjnano.16.48

• (Figure 5B). Corroborating the results of this research, a study carried out by Garba et al. [42], using Cymbopogon tea in diabetic rats, significantly reduced the induced glycemic increase. However, the data were comparable to those of the group treated with metformin, and no significant differences were

• , ALT, alkaline phosphatase, and gamma-glutamyl transferase as shown in the diabetic control groups compared to the normal control group. In a study by Garba et al. [42], it was observed that liver glycogen content and serum levels of AST and ALP decreased significantly, while serum ALT, total proteins

• cholesterol (128.86 mg/dL), VLDL cholesterol (13.78 mg/dL), and Castelli-2 index (1.14 mg/dL), as well as a significant 83.15% increase in HDL cholesterol levels (63.50 mg/dL). Garba et al. [42] demonstrated in their study that serum levels of TC, TG, and LDL cholesterol were significantly reduced in the

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

• endothelial cells are heavily activated during the proliferation stage, which helps in matrix deposition, wound closure, and angiogenesis. In wound healing, the formation of granulation tissue occurs, which is composed of cellular and fibril matrix [42]. Fibroblasts synthesize the fibrillar components

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

• Malaysia (UTM) through UTM Fundamental Research (UTMFR: PY/2024/01611) grant with cost center number Q.J130000.3824.23H94. This research was also supported by Universiti Teknologi Malaysia (UTM) through Prototype Development Fund (PDF Cycle 2: PY/2024/00430) grant with cost center number

Nanomaterials in targeting amyloid-β oligomers: current advances and future directions for Alzheimer's disease diagnosis and therapy

• Shiwani Randhawa,
• Trilok Chand Saini,
• Manik Bathla,
• Rahul Bhardwaj,
• Rubina Dhiman and
• Amitabha Acharya

Beilstein J. Nanotechnol. 2025, 16, 561–580, doi:10.3762/bjnano.16.44

• ; dissociation; nanomaterials; Review Introduction The etiology of Alzheimer’s disease (AD) has traditionally been linked to the presence of amyloid-β 42 (Aβ42), a protein widely recognized as a key marker of the disease. However, a growing body of recent scientific evidence suggests that it may be the amyloid

• detection and inhibition of AβOs Metal NPs have emerged as pivotal tools in the detection and inhibition of Aβ1–42 oligomers. Their unique optical and electrical properties, particularly those of gold and silver NPs, enhance sensitivity and specificity in identifying the early stages of Aβ aggregation. By

• . Recent research has focused on cyclometallated palladium complexes (Pd-1, Pd-2, and Pd-3), which incorporate anthracene and pyrene within a tridentate ligand framework. These complexes specifically target the oligomerization of soluble Aβ1–42 peptides. Among them, Pd-3 has shown significant promise

Functionalized gold nanoflowers on carbon screen-printed electrodes: an electrochemical platform for biosensing hemagglutinin protein of influenza A H1N1 virus

• Carlos Enrique Torres-Méndez,
• Sharmilee Nandi,
• Klara Martinovic,
• Patrizia Kühne,
• Yifan Liu,
• Sam Taylor,
• Maria Lysandrou,
• Maria Ines Berrojo Romeyro Mascarenhas,
• Viktoria Langwallner,
• Javier Enrique Sebastián Alonso,
• Ivana Jovanovic,
• Maike Lüftner,
• Georgia-Vasiliki Gkountana,
• David Bern,
• Abdul-Raouf Atif,
• Ehsan Manouchehri Doulabi,
• Gemma Mestres and
• Masood Kamali-Moghaddam

Beilstein J. Nanotechnol. 2025, 16, 540–550, doi:10.3762/bjnano.16.42

• [39][40][41][42][43]. Therefore, the functionalization of the AuNFs with the linker 4-ATP represents one of the outstanding characteristics of our biosensing system. To the best of our knowledge, this is the first time that this enhancement effect has been explored to improve the sensitivity of

Electron beam-based direct writing of nanostructures using a palladium β-ketoesterate complex

• Chinmai Sai Jureddy,
• Krzysztof Maćkosz,
• Aleksandra Butrymowicz-Kubiak,
• Iwona B. Szymańska,
• Patrik Hoffmann and
• Ivo Utke

Beilstein J. Nanotechnol. 2025, 16, 530–539, doi:10.3762/bjnano.16.41

• following the method outlined by Butrymowicz and colleagues [42]. FEBID was performed using a Hitachi S3600 scanning electron microscope (SEM), which features a high-vacuum chamber and a tungsten filament electron source. Native-oxide Si(100) was employed as a substrate, which was thoroughly cleaned with

• to about 3.3 atoms in the FEB deposit. Mass spectrometry studies of gas-phase electron-impact dissociation of [Pd(tbaoac)2] [42] showed the loss of tert-butyl (t-Bu) as (CH3)2CCH2 by dehydrogenation. Furthermore, the chelating ring collapse happens through the formation of O-containing molecular

• species, such as CH3CHO, which were seen in gas phase dissociation experiments with this precursor [42], as illustrated in Figure 4. Regardless of the exact stoichiometry of volatile species, it is noteworthy that from these large tbaoac ligands (each containing 8 C, 3 O, and 13 H atoms) about 90% of the

N₂⁺-implantation-induced tailoring of structural, morphological, optical, and electrical characteristics of sputtered molybdenum thin films

• Usha Rani,
• Kafi Devi,
• Divya Gupta and
• Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 495–509, doi:10.3762/bjnano.16.38

• morphology Figure 5 depicts 2 × 2 µm2 2D and 3D AFM images of as-deposited and implanted (at an ion fluence of 1 × 1017 N2+·cm−2) Mo thin films. Figure 5a reveals that the 150 nm thick Mo film exhibits a surface with thinner and more elongated rough peaks [42]. In this stage of deposition, the particles

• exhibit granular, tightly packed vertical peak growth. After nitrogen implantation (Figure 5a′), the shape altered into broader and more flatter characteristics [42]. This may be because of surface alterations induced by the N2+ implantation [9][42]. Interestingly, variations in Mo film thickness from 150