Protein-based custom-designed molecular nanotraps for biomedical applications

• Devid Maniglio,
• Alice Marinangeli and
• Alessandra Maria Bossi

Beilstein J. Nanotechnol. 2026, 17, 683–687, doi:10.3762/bjnano.17.47

• therefore less explored. From a conventional perspective, the lack of a defined structure is often perceived as incompatible with selective recognition. However, insights from natural systems challenge this view. Unfolded proteins, particularly intrinsically disordered proteins (IDPs), are increasingly

• recognized as functionally active, often undergoing partial folding upon interaction with molecular partners [12]. These observations are reshaping the current understanding of protein structure–function relationships, opening the possibility of employing unfolded or disordered proteins as functional

• ]. Besides, gelatin and GelMA hydrogels exhibit enhanced biocompatibility, making them suitable for biomedical applications, cell scaffolds, wound dressings, and drug delivery [13]. Silk is another promising protein-based material used in tissue engineering [15]. The structure of silk consists of two

Decontamination from water pollutants and pathogens by electrospun nanofibers doped with heavy-atom-free borafluorene-BODIPY photosensitizers

• Angelika Zaszczyńska,
• Paulina H. Marek-Urban,
• Karolina Wrochna,
• Agnieszka E. Kuklewska,
• Kacper Kręgielewski,
• Marta Grodzik,
• Dawid R. Natkowski,
• Jolanta Mierzejewska,
• Ewa Iwanek,
• Agata Blacha-Grzechnik,
• Paweł Sajkiewicz and
• Krzysztof Durka

Beilstein J. Nanotechnol. 2026, 17, 668–682, doi:10.3762/bjnano.17.46

• coworkers [64], cimetidine undergoes initial S-oxidation to the sulfoxide followed by C–S bond cleavage to yield (5-methyl-1H-imidazol-4-yl)methanol. A similar pathway is expected for ranitidine, which also incorporates a sulfur atom in the structure. Propranolol oxidation with ROS produces 4

• pathogens. (a) Structure of studied BODIPY photosensitizer 1. (b) Energy diagram presenting the light-induced production of singlet oxygen by a triplet photosensitizer. (c) Chemical structures of the target pollutants. Scheme of the electrospinning process. Figure 2 was reproduced from [50], (© 2021 A

afspm: A framework for manufacturer-agnostic automation in scanning probe microscopy

• Nicholas J. Sullivan,
• Julio J. Valdés,
• Kirk H. Bevan and
• Peter Grutter

Beilstein J. Nanotechnol. 2026, 17, 653–667, doi:10.3762/bjnano.17.45

• classified surface structure, detecting atoms [5], molecules [6], or defects of interest [7][8]. Even the design of experiments has been researched, using statistics to drive decisions during the experiment [9][10][11][12]. Active learning, where a machine learning algorithm’s internal model is updated

• configuration file; the script loads the parameters on startup by parsing the configuration file. This is the approach taken in afspm, as exemplified in Figure 6. In the pseudocode (Figure 6a), we see that the expected parameter types are defined in a data structure (here, “ExperimentData”), which is used by

• the method “find_positions” invoking a pre-trained machine learning classifier, or predefined image processing logic. The determined positions are sent over IPC to the experiment script (“[experiment]” in Figure 7c), which, upon receipt, stores them in an internal data structure for later use. This

Cellulose as a photocatalyst support material: extraction, structural features, and environmental applications

• Yee Teng Lim,
• Nur Farhana Jaafar,
• Azizul Hakim Lahuri and
• Endang Tri Wahyuni

Beilstein J. Nanotechnol. 2026, 17, 635–652, doi:10.3762/bjnano.17.44

• and disadvantages. Acid hydrolysis is a traditional approach that helps preserve cellulose’s crystalline structure; however, it relies on non-biodegradable chemicals and generates acidic wastewater, which raises environmental concerns and complicates wastewater management [8]. As a result, researchers

• the cellulose fibers and bind covalently to the crystalline cellulose structure [20]. Its polymerization degree ranges from 10,000 to 20,000 units, depending on the source material. Every glucose monomer in cellulose contains three hydroxy groups that determine its crystalline structure and physical

• detect glucose levels non-invasively through sweat or saliva, offering a promising platform for biomedical monitoring [75]. Hydrogels are highly water-absorbing materials with a three-dimensional network structure, and they are widely recognized for their flexibility, responsiveness to external stimuli

Two-step laser synthesis of Ag@TiO₂ nanomaterials for the photocatalytic degradation of rhodamine B

• Marija Kovačević,
• Miloš Tošić,
• Rafaela Radičić,
• Vladimir Rajić,
• Nikša Krstulović,
• Miloš Momčilović and
• Sanja Živković

Beilstein J. Nanotechnol. 2026, 17, 622–634, doi:10.3762/bjnano.17.43

• nanoparticle formation, leading to improved control over nanoparticle structure and photocatalytic performance. Results and Discussion SEM analysis The surface morphology of PLD-prepared samples was analyzed using SEM-EDS (Figure 2 and Figure 3). SEM images of the sample surface after deposition of silver on

• higher concentration of this metal on Ag@TiO2 2000p affected the ablation rate of the Ti plate and induced a growth of titanium oxide nanostructures on the surface. Morphology and size of Ag@TiO2 (200p and 2000p) Morphology and structure of the obtained samples were analyzed using TEM, HRTEM, and SAED

• , confirming the crystalline structure of the synthesized Ag@TiO2 NPs samples. The diffraction rings correspond to the (101), (004), (200), (105), and (211) lattice planes of TiO2 nanocrystals (Figure 4c,f). The dominant contribution of TiO2-related diffraction rings suggests that the crystalline structure of

Recent progress in enhancing built-in electric fields of perovskite solar cells via junction engineering

• Tong Xiao and
• Ke Xu

Beilstein J. Nanotechnol. 2026, 17, 602–621, doi:10.3762/bjnano.17.42

• engineering from the perspective of the BEF is warranted, with particular emphasis on unifying studies of homojunctions, gradient junctions, and 2D/3D heterojunctions into a coherent framework. Against this background, we define a “junction” as a generalized structure formed in the bulk or at the interface

• NSs, owing to their high hole mobility and elevated work function, induce a p-type region at the surface and spontaneously form n/p homojunctions with the preexisting n-type regions in the bulk, effectively creating a continuous energy-level staircase within the absorber. This structure extends the

• device efficiency of 23.2% with negligible hysteresis. Moreover, combined grain-boundary passivation and band-structure modulation by BP NSs enabled unencapsulated devices to retain over 92% efficiency maintained for 150 days (3,600 h) at 25 °C and 40% ± 10% relative humidity. Although this operational

Probing tribological evolution in atomically thin MoS₂ at different scales

• Xingzhong Zeng and
• Miao Zhang

Beilstein J. Nanotechnol. 2026, 17, 586–597, doi:10.3762/bjnano.17.40

• 2D materials remain elusive, primarily due to the need for high resolution and precise control of tip–sample interactions. Atomically thin 2D materials are ideal platforms for studying nanoscale and sub-nanoscale friction, owing to their atomic smoothness, well-defined crystal structure, and chemical

• inertness [13][14][15]. Molybdenum disulfide (MoS2) as a representative 2D materials is particularly promising because of its trilayered structure (one Mo layer sandwiched between two S layers) and tunable interlayer interactions, making it a model system for investigating the nanoscale and sub-nanoscale

• 1L MoS2 system, there is no interlayer structure, so the sub-nanoscale stick–slip motion is solely attributed to the in-plane motion of the tip apex and the modulation of tip–sample contact geometry [11][12]. This is the fundamental reason why the slip distance of 4L MoS2 is smaller than that of 1L

Impacts of annealing on structural and photophysical properties of zinc phthalocyanine adsorbed on graphene

• Gautier Creutzer,
• Quentin Fernez,
• Nataliya Kalashnyk,
• Zohreh Safarzadeh,
• Lydia Sosa Vargas,
• Céline Fiorini-Debuisschert,
• Nicolas Fabre and
• Fabrice Charra

Beilstein J. Nanotechnol. 2026, 17, 576–585, doi:10.3762/bjnano.17.39

• forces, face-on versus edge-on molecule orientation, and planar-square versus shuttlecock molecule shape. Although the importance of thermal treatment on the interfacial structure of H2Pc [37] and ZnPc [38] on highly oriented pyrolytic graphite (HOPG) and graphene has been demonstrated, its mechanisms

• , application in interface structure management, and impact on electronic or photonic properties are still poorly understood. In this paper, focusing on ZnPc, we report the demonstration and analysis by combined STM operated at the air–solid interface and optical microspectroscopy of a 2D phase change

• Zn atom pointing outward (i.e., away from graphene) thus allowing the Pc-conjugated structure to approach closer to the graphene substrate. Returning to the absorption measurements, we infer that this planar-square to shuttlecock transition is accompanied by a shift of the Q-band, a small proportion

Laser–material interactions in liquids for the synthesis of nanomaterials: current status and perspectives

• Carlos Doñate Buendia,
• Bilal Gökce and
• Leonid V. Zhigilei

Beilstein J. Nanotechnol. 2026, 17, 571–575, doi:10.3762/bjnano.17.38

• changes in atomic structure, enabling defect engineering [20]. The broad materials library accessible through LSPC, combined with the wide range of laser, target, and solvent parameters, creates a complex multidimensional optimization space governing nanoparticle size, internal structure, composition, and

Synthesis of Cu–Mo/TiO₂ and Co–Mo/TiO₂ photocatalysts for the efficient degradation of organic pollutants in water

• Ilse Acosta,
• Brenda Zermeño,
• Edgar Moctezuma,
• Luis F. Garay-Rodríguez and
• Isaías Juárez-Ramírez

Beilstein J. Nanotechnol. 2026, 17, 559–570, doi:10.3762/bjnano.17.37

• was evidenced after dopant incorporation into the TiO2 structure. Morphological characterization showed poorly defined spherical particles that decreased in size with increasing Cu and Co concentrations. PL spectra showed an additional signal attributed to the ability of the metal dopants to capture

• into the semiconductor matrix. The incorporation of co-dopants results in the formation of heterostructures with different electronic structures compared to the TiO2 structure, which promotes charge separation and visible light absorption [6]. The incorporation of two types of cations into the TiO2

• area of 34.4 m2/g; with the incorporation of 0.5 wt % Mo and 0.2 wt % Cu, the surface area decreases substantially to 16.4 m2/g. This result can be related to changes in the morphology and crystalline structure of the TiO2 after doping. The decrease in surface area after Cu doping is a behavior

Electrochemical determination of ciprofloxacin using a MIL-101/reduced graphene oxide-modified electrode

• Nguyen Quang Man,
• Nguyen Ngoc Nghia,
• Nguyen Vinh Phu,
• Vo Thi Khanh Ly,
• Le Lam Son,
• Pham Khac Lieu,
• Le Thi Hong Phong,
• Nguyen Dinh Luyen and
• Dinh Quang Khieu

Beilstein J. Nanotechnol. 2026, 17, 541–554, doi:10.3762/bjnano.17.35

• species in C–O groups, hydroxy groups, or adsorbed water molecules associated with the rGO surface and the porous MOF structure [27]. The presence of these oxygen-containing species further supports the coexistence of MIL-101 and rGO within the composite. Overall, the XPS results confirm the successful

• combination of its two components. MIL-101(Cr) has a high surface area and abundant porous structure, providing numerous active sites and strong adsorption capability for the target molecules; rGO offers high electrical conductivity, facilitating rapid electron transfer. Repeatability, reproducibility, and

Fractional shot noise of an SU(N) Kondo system

• Damian Krychowski and
• Stanisław Lipiński

Beilstein J. Nanotechnol. 2026, 17, 515–540, doi:10.3762/bjnano.17.34

• degeneracy. From the perspective of potential applications, it is important that the Anderson SU(N) model can be realized in a controlled way in various nanoscopic structures [37][38] and in correlated cold atomic gases [39][40]. A proposal of the SU(6) Kondo effect for a QD structure can be found in [39

• capacitively coupled N-dot structure with dots connected to the separate leads. The occupation number operators of the spin-orbital and of the Fermi sea in the left (right) leads are given by and , respectively. We assume the coupling strength to the electrodes with the rectangular density of states 1/2W (W

Probing internal continua and atomic ultrafast charge transfer within size-controlled nanoparticles by post-collision interaction in core-hole clock spectroscopy

• Johannes Lütgert,
• Erika Giangrisostomi,
• Nomi L. A. N. Sorgenfrei and
• Alexander Föhlisch

Beilstein J. Nanotechnol. 2026, 17, 505–514, doi:10.3762/bjnano.17.33

• -collision-interaction; quantum dots; resonant Auger spectroscopy; Introduction The interplay of electron localization, itinerance, and charge transfer is essential to functional nanoparticles and quantum dots (QDs) [1][2][3][4][5][6]. In terms of electronic structure properties, materials on the nanoscale

• photoluminescence quantum yield or RedOx chemistry, depend on a complex interplay of local and collective electronic structure aspects [10]. For example, quantum efficiency is strongly influenced by surface structure [11], the fabrication of core–shell and core–multishell architectures [12][13], and the choice of

• characterization of the QDs with UV–vis absorption spectroscopy, hard X-ray photoelectron spectroscopy (HAXPES), and near-edge X-ray absorption fine structure (NEXAFS) spectroscopy has been performed by us to verify the size-dependence of quantum confinement (see further details in Supporting Information File 1

Upcycling agroindustrial waste into graphene oxide supports for gold nanoparticles: toward sustainable nanomaterials

• Juan Marcos Castro-Tapia,
• Selene Acosta,
• Hiram Joazet Ojeda-Galván,
• Elsie Evelyn Araujo-Palomo,
• Edgar Giovanni Villabona-Leal and
• Mildred Quintana

Beilstein J. Nanotechnol. 2026, 17, 489–504, doi:10.3762/bjnano.17.32

• materials GO and rGO. This spectroscopy technique provides initial insights into the electronic structure and degree of conjugation of the samples. Typically, the UV–vis absorption spectrum of GO exhibits two characteristic features, namely, a main absorption band in the 230–270 nm region, attributed to the

• ) peak, indicating reduced lamellar periodicity and a predominantly disordered structure, matching the results observed in TEM and XPS. TGA curves for the samples are shown in Figure 8, exhibiting a characteristic multistep weight-loss behavior typical of oxygenated carbon materials. An initial mass loss

• conditions (300 °C, 10 min), substantially reduces energy consumption compared to conventional biomass pyrolysis while still enabling the formation of GO with tunable structure and chemical features. The choice of biomass precursor proved crucial: Agro-GO samples exhibited precursor-dependent oxidation

Defects and defect-mediated engineering of two-dimensional materials: challenges and open questions

• Arkady V. Krasheninnikov,
• Matthias Batzill,
• Anouar-Akacha Delenda,
• Marija Drndić,
• Chris Ewels,
• Katharina J. Franke,
• Mahdi Ghorbani-Asl,
• Alexander Holleitner,
• Ado Jorio,
• Ute Kaiser,
• Daria Kieczka,
• Hannu-Pekka Komsa,
• Jani Kotakoski,
• Manuel Längle,
• David Lamprecht,
• Yun Liu,
• Steven G. Louie,
• Janina Maultzsch,
• Thomas Michely,
• Katherine Milton,
• Anna Niggas,
• Hanako Okuno,
• Joshua A. Robinson,
• Marika Schleberger,
• Bruno Schuler,
• Alexander Shluger,
• Kazu Suenaga,
• Kristian S. Thygesen,
• Richard A. Wilhelm,
• E. Harriet Åhlgren and
• Carla Bittencourt

Beilstein J. Nanotechnol. 2026, 17, 454–488, doi:10.3762/bjnano.17.31

• created by impacts of energetic particles [18][19][20][21] by foreign atoms. Lots of insights into the structure and properties of defective 2D materials have been obtained using transmission electron microscopy (TEM), including conventional TEM and scanning TEM (STEM). These techniques, along with

• scanning probe methods, can provide information on the atomic structure of materials with sub-angstrom resolution [22]. The aberration-corrected TEM has made it possible not only to obtain images of impurities [23][24][25][26] and intrinsic point defects [27][28][29][30][31], but also to follow their

• and the mechanisms of defect formation. This indicates that defects can also be created deliberately during exposure to the electron beam, which can be used for engineering structure and properties of materials with potentially atomic resolution [34][35][36][37]. It should be pointed out that many

Nanocarrier-integrated multilayer films produced by 3D printing for improved skin adhesion and curcumin photostability

• Thayse Viana de Oliveira,
• Ana Paula Farias Leão,
• Júlia Leão,
• Cesar Liberato Petzhold and
• Ruy Carlos Ruver Beck

Beilstein J. Nanotechnol. 2026, 17, 440–453, doi:10.3762/bjnano.17.30

• while maintaining structural integrity after deposition [38][39]. Resulting from the high shear rates experienced within the printing nozzle, the cross-linked structure of the hydrogels may be affected during the 3D printing process. To monitor this effect, the thixotropic properties of the tested

• of Generative AI and AI-Assisted Technologies in the Writing Process During the writing of this work, the authors used ChatGPT to diversify vocabulary and clarify sentence structure. After using this tool/service, the authors reviewed and edited the manuscript as needed and take full responsibility

First-principles study on elastic properties of Cu, (Cu_1−x,Ni_x)₃Sn and interfacial mechanical properties of (Cu_1−x,Ni_x)₃Sn/Cu in the lead-free solder joint

• Guomin Hua

Beilstein J. Nanotechnol. 2026, 17, 428–439, doi:10.3762/bjnano.17.29

• efficiency without losing the accuracy by reducing the model size of the alloy systems. Considering the phase stability of (CuxNi1−x)3Sn [22], the content of Ni was set within the range from 0 to 30 atom %. As far as the calculations of the structure optimizations and elastic properties are concerned, a

• , the strain along the z-axis was fixed; at the same time, the stresses along the x-axis and the y-axis were relaxed to less than 0.5 GPa. For the calculations on the interface structure, a kinetic energy cutoff of 30 Hartree, a k-point mesh of 4 × 4 × 1 and a potential residual V(r) of less than 10−8

• Hartree were used to achieve self-consistent convergence. Results and Discussions Elastic properties of Cu and (CuxNi1−x)3Sn Figure 1a presents the optimized crystal structures of Cu and (CuxNi1−x)3Sn, where Cu crystallizes into the face-centered cubic (FCC) structure, and the (CuxNi1−x)3Sn crystallizes

Nanoinformatics: spanning scales, systems and solutions

• Iseult Lynch,
• Diego S. T. Martinez,
• Kunal Roy and
• Georgia Melagraki

Beilstein J. Nanotechnol. 2026, 17, 423–427, doi:10.3762/bjnano.17.28

• properties of nanomaterials reported in experimental papers, the ability to predict or impute physicochemical properties as inputs for quantitative structure/activity/property relationship (QSAR/QSPR) models is critical. Moncho et al. surveyed the nanomaterials QSAR literature to determine the variety of

• calculated and experimental features used to define and describe nanomaterials, and proposed a classification of the descriptors into those that directly describe a component of the nanoform (core, surface, or structure) and those that indirectly reflect its structure (experimental features related to the

• – quantitative read-across structure–property relationship (q-RASPR), and Stacked MLP – q-RASPR), resulting in more reliable predictions overall, and suggesting that this approach could enhance regulatory acceptance of in silico new approach methodologies for hazard and risk assessment of nanomaterials [5]. A

Biomimetic nanoparticles in cancer photodynamic therapy: a review of targeted delivery systems and therapeutic outcomes

• Valentina I. Gorbacheva,
• Alexey S. Grabovoy,
• Polina S. Marukhina,
• Anastasiia O. Syrocheva and
• Ekaterina P. Kolesova

Beilstein J. Nanotechnol. 2026, 17, 396–422, doi:10.3762/bjnano.17.27

• coating thickness, core material, and release mechanisms. Addressing these challenges through standardized production protocols, improved characterization, and enhanced biocompatibility will be critical to advancing BNPs toward clinical application. Biomimetic nanocarriers, designed to replicate structure

Eco-efficient materials for agricultural crops based on a mineral rich in MOR- and HEU-type zeolites

• Esperanza Yamile de la Nuez-Pantoja,
• Inocente Rodríguez-Iznaga,
• Gerardo Rodríguez-Fuentes,
• Vitalii Petranovskii,
• Ariel Martínez García,
• José Juan Calvino Gámez and
• Daniel Goma Jiménez

Beilstein J. Nanotechnol. 2026, 17, 381–395, doi:10.3762/bjnano.17.26

• natural zeolites are a viable alternative for the development of efficient, agroecologically sustainable, and low-cost fertilizer materials for massive applications [3][4]. Natural zeolites are porous crystalline hydrated aluminosilicates. They have a three-dimensional, rigid, negatively charged structure

• negative charge of the structure. As a result, these materials have important intrinsic properties such as ion exchange and adsorption [5]. These qualities allow them to retain and carry chemical species of agricultural interest, such as PO43−, NH4+, NO3−, and molecular compounds (CO(NH2)2) minimizing

• absorption bands near to 1400 cm−1 corresponding to the bending vibrations of N–H bonds in NH4+-modified natural zeolites. In general, when ammonium interacts with the oxygen atoms of the zeolitic structure, various configurations are formed, each of which exhibits different interaction strength depending on

Polycatecholamine nanocoatings on stainless steel: the effect on attachment of human fibroblasts and platelets

• Paulina Trzaskowska,
• Ewa Rybak,
• Maciej Trzaskowski,
• Kamil Kopeć,
• Jakub Krzemiński,
• Rafał Podgórski,
• Hatice Genc,
• Mehtap Civelek and
• Iwona Cicha

Beilstein J. Nanotechnol. 2026, 17, 365–380, doi:10.3762/bjnano.17.25

• oxidation. The resulting polymers contain mixtures of catechol and quinone moieties, as well as primary and secondary amine groups, whose relative proportions depend on the polymerization conditions [12][27][28][29]. The differences in monomer structure and oxidation route (e.g., Fenton-type vs autoxidation

• platelets [48][49]. This was explained by PDA’s potential to bind any type of molecule, including fibrinogen, due to the chemical structure of PDA containing aromatic rings and reactive chemical groups. However, in the literature, there are no reports on PTYR nanocoatings regarding platelet adhesion. Our

• further evaluate the chemical structure of the coatings, FTIR-ATR spectra were obtained and analyzed. Methodology and results are described in Supporting Information File 1. Coating cytotoxicity towards L929 cells The MTT assay was applied to evaluate the cytotoxicity of obtained coatings. MTT salt is

Ferroelectric nanodot reservoir for neuromorphic computing

• Anna Razumnaya,
• Yuri Tikhonov,
• Dmitrii Naidenko,
• Léo Boron,
• Valerii Vinokur and
• Igor Lukyanchuk

Beilstein J. Nanotechnol. 2026, 17, 352–364, doi:10.3762/bjnano.17.24

• harnessed for logic operations within a compact physical structure. While various approaches have demonstrated the use of ferroelectrics in neuromorphic computing at the level of individual elements, most existing implementations treat each ferroelectric component as an isolated device or a deterministic

• . Core nanodot unit To describe the basic operational mechanism of the ferroelectric reservoir introduced in Figure 1, we now examine its elementary building block, the ferroelectric nanodot. Figure 2 illustrates the structure and the nonlinear switching behavior of a single nanodot under external

• nanodot is embedded in an individual capacitor structure, and the capacitors are electrically connected in parallel through metallic interconnects. In Figure 3b, an alternative layout is shown in which all nanodots share the same pair of extended electrodes. In this case, the nanodots are arranged between

Interconnection morphology effects on the radio frequency response of carbon nanotube sponges

• Manuela Scarselli,
• Javad Rezvani,
• Zeno Zuccari,
• Mattia Scagliotti and
• Simone Tocci

Beilstein J. Nanotechnol. 2026, 17, 343–351, doi:10.3762/bjnano.17.23

• interconnected structure of the samples. The Raman analysis results are in line with the morphological information obtained from the SEM data. The SEM and Raman experiments confirm the effect of ethanol on the CNS, which improves the presence of grooves and pores as available adsorption sites after ethanol

• composed mainly of electrons excited from the sp2 and sp3 hybridization of the honeycomb lattice and from the defects in the structure that also comprises OH groups. In particular, the spectra were fitted by the sum of three main components assigned to carbon–carbon bonds (C=C/C−C/C−H, 284.4 ± 0.1 eV

• fits in Figure 5. From the Raman and XPS studies, as well as the SEM micrographs, we conclude that the ethanol treatment induced a change in the structure of the CNS sample, unravelling many of the aggregated tubes, resulting in an increase in pore size and overall available surface area. Without

Beam shaping techniques for pulsed laser ablation in liquids: Unlocking tunable control of nanoparticle synthesis in liquids

• Sergio Molina-Prados,
• Nadezhda M. Bulgakova,
• Alexander V. Bulgakov,
• Jesus Lancis,
• Gladys Mínguez Vega and
• Carlos Doñate-Buendia

Beilstein J. Nanotechnol. 2026, 17, 309–342, doi:10.3762/bjnano.17.22

• . have demonstrated that the optical properties of Si/Au NPs, their structure, as well as their chemical composition can be modified by defocusing [143]. Defocusing 0.5 mm inside the target led to enhanced chemical stability of the colloids and increased concentration. Moreover, NP size control could be

• approximated by the Bessel function J0 [145]. The anatomy of the quasi-Bessel beam propagation in space is shown in Figure 8 with a detailed view of its spatiotemporal shape including the evolution of the cross-sectional structure [146]. Two laser beams, one continuous wave (CW) and a femtosecond pulsed laser

• time of common materials, 1–5 ps, resulting in a local heating process [181]. This energy transfer creates a state of nonthermal equilibrium, where the electron temperature rises quickly before the lattice (atomic structure) can respond, leading to localised heating. The energy is delivered quickly

Calculation of the dynamic stiffness of a cantilever under torsional oscillation

• Keita Nishida,
• Yuuki Yasui and
• Yoshiaki Sugimoto

Beilstein J. Nanotechnol. 2026, 17, 303–308, doi:10.3762/bjnano.17.21

• from the geometrical structure [2], an accurate evaluation of dynamic stiffness requires detailed analyses of the oscillator dynamics. The modification from static to dynamic stiffness depends on the oscillation mode because each mode is governed by a different equation of motion reflecting the