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

• a comparison to the theory difficult. A possible solution is to use a different strategy: For systematic studies of the thermodynamic conditions (background pressure and temperature), synthesis systems need to be developed that allow to vary these conditions (partial pressures of the constituents

• energy shifts and peak shapes [179][180][181][182][183][184][185][186][187]. Complementing XPS, scanning X-ray photoelectron microscopy (SPEM) provides spatially resolved chemical information at the nanoscale, and near-ambient pressure XPS enables real-time monitoring of the chemical reactivity of

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

• aqueous phase under moderate stirring (the temperature and agitation speed parameters were the same as those of the organic phase). The aqueous phase was composed of 0.077 g of polysorbate 80 and 54 mL of ultrapure water. Acetone was removed under reduced pressure, and the resulting suspensions were

• pressure at 40 °C, a procedure widely employed in the nanoprecipitation-based preparation of polymeric nanocapsules. Considering the high volatility and water miscibility of acetone and its classification as a class-3 solvent (ICH Q3C), residual levels are expected to be minimal after evaporation

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

• lysis is essential for the extraction of biomimetic membranes; the membrane composition is directly influenced by the severity of the lysis method. Common techniques include (i) ultrasound, that is, membrane rupture via pressure waves (20–50 kHz), requiring precise control to prevent heat damage [54

• ]; (ii) freeze–thaw cycles, that is, cell disruption via narrow pores (enhanced at low temperatures) [55]; (iii) mechanical shearing, that is, cell disruption via narrow pores (enhanced at low temperatures) [56]; and (iv) osmotic pressure, that is, hypotonic solutions are used to induce swelling and

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

• . Before the growth process, the pressure was brought to 1 atm by introducing a mixture of argon and hydrogen (30 and 20 sccm, respectively) through a stainless steel pipe. A solution containing ferrocene (2.3 wt %) dispersed in 10 mL of ethanol and stirred for 4 h was injected at a constant rate (5 mL·h−1

• pipe during the growth process. (3) The pressure of the gas mixture (argon, acetylene, and hydrogen at 200, 80, and 100 sccm, respectively) was higher than that adopted for the growth of the CNT film. (4) The process duration was 2 h. After cooling down the system, the reaction products were directly

• were performed in an ultrahigh-vacuum chamber (base pressure below 10−10 bar) equipped with a semi-imaging analyser MAC 2 (Riber Instruments) operating in the constant pass energy mode (with a total energy resolution of 1.1 eV). Non-monochromatic Al Kα radiation (1486.6 eV) was used (8 kV, 8 mA). The

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

• geometry alters the internal pressure distribution and collapse dynamics, affecting the interaction between the plasma plume, shock waves, and the surrounding liquid. Consequently, both the light-induced welding and the anisotropic cavitation bubble dynamics are key factors determining the formation of the

• hundred femtoseconds, indicating a swift breakdown of material under the laser influence. Besides, at lower fluences, photomechanical spallation occurs, which involves moderate temperature and pressure, removing material with minimal vaporisation [179]. Surface ripples appear, and the machining area

Fast vortex dynamics and relaxation times in NbRe-based heterostructures

• Francesco De Chiara,
• Zahra Makhdoumi Kakhaki,
• Francesco Avitabile,
• Francesco Colangelo,
• Abhishek Kumar,
• Carmine Attanasio and
• Carla Cirillo

Beilstein J. Nanotechnol. 2026, 17, 292–302, doi:10.3762/bjnano.17.20

• on SiO2 substrates. The base pressure was P = 2.2 × 10−8 mbar, and the Ar pressure during the deposition was = 6.6 μbar, = 12 μbar and = 6.3 μbar. During the deposition, the film thickness was monitored in situ by a thickness monitor, which provides a real-time measurement of the growth rate. The

Multilayered hyperbolic Au/TiO₂ nanostructures for enhancing the nonlinear response around the epsilon-near-zero point

• Fernando Arturo Araiza-Sixtos,
• Mauricio Gomez-Robles,
• Rafael Salas-Montiel and
• Raúl Rangel-Rojo

Beilstein J. Nanotechnol. 2026, 17, 251–261, doi:10.3762/bjnano.17.17

• electron beam and Au layers via Joule effect deposition, both at a deposition rate of 0.15 nm·s−1 and a base pressure of 2 µTorr. The target thickness for Au was 10 nm, while that of TiO2 was varied from 44 to 72 nm to achieve ENZ properties at or around the working wavelength of 800 nm. Every structure

Comparative study on 3D morphologies of delignified, single tracheids and fibers of five wood species

• Helen Gorges,
• Felicitas von Usslar,
• Cordt Zollfrank,
• Silja Flenner,
• Imke Greving,
• Martin Müller,
• Clemens F. Schaber,
• Chuchu Li and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2026, 17, 239–250, doi:10.3762/bjnano.17.16

• a key role in preventing cell collapse under high tensile stress or/and inner pressure exerted by the water column during transpiration [8]. Wood delignification is a crucial process in various industries, particularly pulp and paper production, biofuel generation, and the development of advanced

• , first using distilled water and acetone (1:6, v/v, ≥99.5%, Carl Roth, Karlsruhe, Germany), followed by toluene (≥99.5%, Carl Roth) for 24 h each. Afterwards, toluene was washed out by extraction with ethanol for 2 h, and the samples were dried at reduced pressure overnight (15 mbar, 40 °C). For

Time of flight secondary ion mass spectrometry imaging of contaminant species in chemical vapour deposited graphene on copper

• Barry Brennan,
• Vlad-Petru Veigang-Radulescu,
• Philipp Braeuninger-Weimer,
• Stephan Hofmann and
• Andrew J. Pollard

Beilstein J. Nanotechnol. 2026, 17, 200–213, doi:10.3762/bjnano.17.13

• roughness, measured over an area of 230 µm × 300 µm, from the BO, Ar, and Ar:H2 samples all had Ra values of ≈300 nm, with the EP value decreasing to ≈200 nm [43]. All graphene growth experiments were carried out in a commercial Aixtron Black Magic Pro 4-inch cold wall CVD system at a base pressure of ≈1

• reactor cooled to room temperature in an Ar only atmosphere. During all stages of the process, a pressure of 50 mbar was regulated via a PID controlled outlet valve. Ex situ ToF-SIMS measurements were performed using a TOF SIMS IV instrument (ION-TOF Gmbh, Germany) at a vacuum pressure of <5 × 10−9 mbar

Subdigital integumentary microstructure in Cyrtodactylus (Squamata: Gekkota): do those lineages with incipiently expressed toepads exclusively exhibit adhesive setae?

• Philipp Ginal,
• Yannick Ecker,
• Timothy Higham,
• L. Lee Grismer,
• Benjamin Wipfler,
• Dennis Rödder,
• Anthony Russell and
• Jendrian Riedel

Beilstein J. Nanotechnol. 2026, 17, 38–56, doi:10.3762/bjnano.17.4

• incorporated into the locomotor cycle. Since terrestrial and generalist Cyrtodactylus are prevalent in closed habitats and putatively rely more on crypsis than maximum escape speed for predator avoidance [40][86], this trade-off might not pose such a significant selective pressure associated with the secondary

• surface roughness at a scale pertinent to the size and interactions of the epidermal microstructures are generally scarce [30][31][33][80][83][92] and non-existent for arboreal Cyrtodactylus. Among all ecotypes analysed, the crown habitat of trees apparently imposes the strongest selective pressure on

Quantitative estimation of nanoparticle/substrate adhesion by atomic force microscopy

• Aydan Çiçek,
• Markus Kratzer,
• Christian Teichert and
• Christian Mitterer

Beilstein J. Nanotechnol. 2026, 17, 1–14, doi:10.3762/bjnano.17.1

• were plasma-cleaned in a Diener electronic Tetra 30 system at a N2 pressure of 50 Pa for 20 min. Immediately after plasma cleaning, the substrates were loaded in the NP deposition chamber. The NP deposition experiments were conducted using DC magnetron sputter inert gas condensation in a Moorfield

• (QMF), both with a diameter of 125 mm. In this study, only one of the three water-cooled magnetrons, equipped with a Cu target (Kurt J. Lesker, 99.999% purity) with 25.8 mm diameter and 3.2 mm thickness, was used. Prior to deposition, the base pressure in the deposition chamber was pumped down to 6

• 110 mm and the pressure within the aggregation was held constant at 0.5 mbar. The growth of NPs stops after passing through the orifice, where the pressure difference from the aggregation zone to the QMF causes rapid cooling. The QMF allows one to select charged NPs based on their mass-to-charge ratio

Optical bio/chemical sensors for vitamin B₁₂ analysis in food and pharmaceuticals: state of the art, challenges, and future outlooks

• Seyed Mohammad Taghi Gharibzahedi and
• Zeynep Altintas

Beilstein J. Nanotechnol. 2025, 16, 2207–2244, doi:10.3762/bjnano.16.153

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

• -propanol, and absolute ethanol and then dried with a nitrogen stream. Oxygen plasma etching (Diener, DE) was carried out for 8 min with 300 W of nominal power (100%), at millibars of oxygen pressure, which creates an OH-terminated layer of hydrophilic silicon oxide. For the hydrophilic functionalization

Missing links in nanomaterials research impacting productivity and perceptions

• Santosh K. Tiwari and
• Nannan Wang

Beilstein J. Nanotechnol. 2025, 16, 2168–2176, doi:10.3762/bjnano.16.149

• , where science is increasingly driven by commercialization, the pressure to translate fundamental research into immediate technological results has become more pronounced. However, real scientific progress is inherently incremental; it builds upon prior knowledge and often unfolds gradually over time

Microplastic pollution in Himalayan lakes: assessment, risks, and sustainable remediation strategies

• Sameeksha Rawat,
• S. M. Tauseef and
• Madhuben Sharma

Beilstein J. Nanotechnol. 2025, 16, 2144–2167, doi:10.3762/bjnano.16.148

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

• 60 °C. Afterward, the solvent was removed using a rotary evaporator under reduced pressure at a water bath temperature of 40 °C. The obtained oil was then filtered through a 0.45 µm PTFE membrane and stored in amber glass bottles under refrigeration (4 °C) until use. The oil yield was calculated

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

• used previously, we re-parameterized the spatula–substrate Lennard-Jones interactions: so that the new surface would have the same pull-off (adhesion) pressure as before. Specifically, several parameter combinations were tested in pull-off simulations against our reference data for gecko keratin [12

Laser ablation in liquids for shape-tailored synthesis of nanomaterials: status and challenges

• Natalie Tarasenka

Beilstein J. Nanotechnol. 2025, 16, 1963–1997, doi:10.3762/bjnano.16.137

• : in the beginning of the bubble expansion stage, and in the period between bubble collapse and rebound [7]. The major part of the ejected material is released during the second stage of cavitation bubble collapse. The charging of NPs has an impact at this stage, changing the electrostatic pressure

• , guiding the NP transfer into the solution, and providing the electrostatic repulsion between NPs. Some fraction of NPs can avoid escaping into the solution, remaining trapped in the cavitation bubble and undergoing compression as a result of high pressure in the bubble during collapse. This results in

• with the cavitation bubble front into the liquid, the variation of the fraction of NPs in the bubble and in the liquid can be used for controlling NP size, structure, and oxidation degree, as shown in [27]. This can be done by changing the size and pressure in the cavitation bubble by varying the

Evaluating metal-organic precursors for focused ion beam-induced deposition through solid-layer decomposition analysis

• Benedykt R. Jany,
• Katarzyna Madajska,
• Aleksandra Butrymowicz-Kubiak,
• Franciszek Krok and
• Iwona B. Szymańska

Beilstein J. Nanotechnol. 2025, 16, 1942–1951, doi:10.3762/bjnano.16.135

• study was conducted (pressure and cleanliness) differ significantly from those of a typical FIBID process [14]. To guide the development of more effective precursors for FEBID, a pre-screening strategy combining electron ionization mass spectrometry (EIMS) and volatility testing is typically applied

• (111) wafer was placed in the special holder on the cold finger of the apparatus. The process was performed under a pressure of 10−2 mbar and at the following temperatures: 418 K − [Cu2(μ-O2Ct-Bu)4] [29] (1), 393 K − [Cu2(NH2(NH=)CC2F5)2(µ-O2CC2F5)4] [32] (2), 413 K − [Cu2(µ-O2CC2F5)4] (3), and 413 K

Targeting the vector of arboviruses Aedes aegypti with nanoemulsions based on essential oils: a review with focus on larvicidal and repellent properties

• Laryssa Ferreira do Nascimento Silva,
• Douglas Dourado,
• Thayse Silva Medeiros,
• Mariana Alice Gonzaga Gabú,
• Maria Cecilia Queiroga dos Santos,
• Daiane Rodrigues dos Santos,
• Mylena Lemos dos Santos,
• Gabriel Bezerra Faierstein,
• Rosângela Maria Rodrigues Barbosa and
• Fabio Rocha Formiga

Beilstein J. Nanotechnol. 2025, 16, 1894–1913, doi:10.3762/bjnano.16.132

• used for their aromatic and medicinal properties [154]. The chemical profiles of the oils include major constituents such as ᴅ-limonene, thymol, and carvacrol in M. piperita, and 1,8-cineole and γ-terpinene in E. globulus [149]. Thus, the oils were combined and incorporated using the high-pressure

Low-temperature AFM with a microwave cavity optomechanical transducer

• Ermes Scarano,
• Elisabet K. Arvidsson,
• August K. Roos,
• Erik Holmgren,
• Riccardo Borgani,
• Mats O. Tholén and
• David B. Haviland

Beilstein J. Nanotechnol. 2025, 16, 1873–1882, doi:10.3762/bjnano.16.130

• resonance frequency shift associated with the quantum zero-point motion of the mechanical mode . The cavity optomechanical measurement also introduces a fluctuating radiation pressure force on the test mass or back-action noise, proportional to nc [22][23]: When the microwave pump frequency is detuned by Δ

Phytol-loaded soybean oil nanoemulsion as a promising alternative against Leishmania amazonensis

• Victória Louise Pinto Freire,
• Mariana Farias Alves-Silva,
• Johny W. de Freitas Oliveira,
• Matheus de Freitas Fernandes-Pedrosa,
• Alianda Maira Cornélio,
• Marcelo de Souza-Silva,
• Thayse Silva Medeiros and
• Arnóbio Antônio da Silva Junior

Beilstein J. Nanotechnol. 2025, 16, 1826–1836, doi:10.3762/bjnano.16.126

• -water (O/W) nanoemulsions is more effective when the droplets are spherical and have diameters close to 200 nm. This enhanced effect has been attributed to increased Laplace pressure, which refers to the pressure difference between the interior and exterior of a curved interface, and leads to higher

Further insights into the thermodynamics of linear carbon chains for temperatures ranging from 13 to 300 K

• Alexandre Rocha Paschoal,
• Thiago Alves de Moura,
• Juan S. Rodríguez-Hernández,
• Carlos William de Araujo Paschoal,
• Yoong Ahm Kim,
• Morinobu Endo and
• Paulo T. Araujo

Beilstein J. Nanotechnol. 2025, 16, 1818–1825, doi:10.3762/bjnano.16.125

• , coefficient of linear thermal expansion, specific heat, thermal strain, and Grüneisen parameter at constant pressure) were empirically determined for the first time in the range of temperatures 70 < T < 293 K. These observables were all correlated with the C-band frequency (ωLCC) dependence on the temperature

• gradients), and mechanical (e.g., pressure variations) stimuli [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23]. These responses are directly connected with electronic and transport properties, which in turn depend on the equilibrium between emission and absorption of

• state to be emitted or absorbed. Once they decay to their ground state, they become unavailable. This decay process is often accomplished via three-phonon processes (called the Klemens’ channel) and via four-phonon processes [1][2][3][6][7][12][13][16][24]. It is widely known that pressure (P)- and

Electrical, photocatalytic, and sensory properties of graphene oxide and polyimide implanted with low- and medium-energy silver ions

• Josef Novák,
• Eva Štěpanovská,
• Petr Malinský,
• Vlastimil Mazánek,
• Jan Luxa,
• Ulrich Kentsch and
• Zdeněk Sofer

Beilstein J. Nanotechnol. 2025, 16, 1794–1811, doi:10.3762/bjnano.16.123

• (controlled in the range of 5–60% RH) was maintained by blending moist and dry air, monitored using a BME 280 pressure/humidity/temperature sensor. The electrical properties of the implanted and pristine samples were studied by the standard two-point method, where the sheet resistance was measured using a

Exploring the potential of polymers: advancements in oral nanocarrier technology

• Rousilândia de Araujo Silva,
• Igor Eduardo Silva Arruda,
• Luise Lopes Chaves,
• Mônica Felts de La Roca Soares and
• Jose Lamartine Soares Sobrinho

Beilstein J. Nanotechnol. 2025, 16, 1751–1793, doi:10.3762/bjnano.16.122

• weight, as these exhibit a high elastic modulus, creating a deformable matrix that expands pores due to osmotic pressure [57]. This, in turn, influences the elimination, phagocytosis, and biological activity of PNs intended for oral administration. Another factor affecting the polymer’s physicochemical

• remains constant and independent of concentration gradients [28]. In addition to diffusion, drug transport through water-filled pores may also occur by convection. The porosity of the nanostructure promotes water influx, which is induced by osmotic pressure, facilitating drug release via osmotic pumping