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Search for "light" in Full Text gives 1508 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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

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  • to the laser light polarization. When the nanoflakes are fully ablated and no longer supply material, nanowire growth stops. At this stage, laser-induced fragmentation takes over, producing the nanoparticles observed in the later stages of laser modification. Several important observations were
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Published 10 Nov 2025

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

Graphical Abstract
  • stress, being easily degradable or evaporated upon exposure to air, light, heat, and humidity during processing, use, or storage [27][28]. Their volatile nature, susceptibility to oxidation, and insolubility in water limit their industrial application [29]. To overcome these limitations
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Published 28 Oct 2025

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

Graphical Abstract
  • can therefore be made light and compact, significantly reducing their susceptibility to external vibrations, the complexity of vibration isolation, and their thermal mass. For this prototype, we implement a rather simple vibration isolation which, as we will show, is sufficient to demonstrate imaging
  • thermal bath. Figure 2b shows various contributions to the noise of probe 1 as a function of nc. The light blue area marks the range of operation of this sensor, where Kerr nonlinear response of the superconducting resonant circuit [27] limits nc < 2.0 × 106, well below ≈ 1.4 × 108. The general
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Published 24 Oct 2025

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

Graphical Abstract
  • performed. The results revealed nanodroplets with spherical and oval shapes and a homogeneous size distribution, with diameters up to 250 nm, consistent with the dynamic light scattering (DLS) data (Figure 1c,d). Colloidal and physicochemical stability The colloidal and physicochemical stability of the NEs
  • analysis. All samples were prepared in triplicate and data were expressed as mean ± standard deviation. The NEs composition was described in Table 3. Physicochemical characterization Droplet size, polydispersity index and zeta potential evaluation The droplet size was determined by dynamic light scattering
  • . After this time, the MTT solution was removed, and 100 μL of ethanol was added to each well. The plates were protected from light and agitated for 20 min. The absorbance was measured at 570 nm using an ELISA microplate reader (Biotek® Epoch), and the obtained values were applied following Equation 1
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Published 21 Oct 2025

Piezoelectricity of layered double hydroxides: perspectives regarding piezocatalysis and nanogenerators

  • Evgeniy S. Seliverstov,
  • Evgeniya A. Tarasenko and
  • Olga E. Lebedeva

Beilstein J. Nanotechnol. 2025, 16, 1812–1817, doi:10.3762/bjnano.16.124

Graphical Abstract
  • different thicknesses were investigated for the piezo-photocatalytic degradation of carbamazepine [6]. The ultrathin samples achieved an efficiency of 95.8% with a reaction rate constant of 0.148 min−1. This effect was attributed to the higher sensitivity of ultrathin LDH sheets to both light irradiation
  • and 29 times higher than that of individual Zn/Al-LDHs and LDHs combined with peroxydisulfate without light and stress exposure, respectively. This significant enhancement was also attributed to the stimulation of a high current by the photo-piezocatalytic effect generating electrons and holes in Zn
  • carrier localization effects), or to interfacial electronic interactions that facilitate charge transfer. While these mechanisms may coexist, many publications lack the necessary control experiments (e.g., mechanical stimulation without light/oxidant, photocatalysis without stress, or defect-free samples
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Published 20 Oct 2025

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

Graphical Abstract
  • properties of the modified materials. In our previous studies, light ions such as Cu [1][2] and C [3] were implanted into GO, PI, and other polymers. In contrast, the implantation of heavier ions like Ag interacts with the target material through different mechanisms. Owing to its higher mass, Ag has a
  • bandgap and an increased density of states near the Fermi level, promotes absorption in the visible region and facilitates the generation of electron–hole (e−–h+) pairs upon light irradiation. The silver clusters also exhibit plasmonic resonances, which amplify the local electromagnetic field and promote
  • spectral range, enhancing light absorption and enabling the utilization of a broader portion of the solar spectrum [19]. These combined effects result in a significantly higher photocatalytic efficiency of implanted samples compared to their non-implanted samples, both in terms of reaction rate and quantum
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Published 13 Oct 2025

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

Graphical Abstract
  • made PNs a topic of growing interest in light of their small size and unique physicochemical properties [22][23]. These systems offer advantages for drug delivery, including the ability to protect labile compounds, control release kinetics, improve drug solubility and stability, enhance oral
  • response to internal signals (e.g., oxidation or reduction, enzymatic activity, or low acidity) or external stimuli such as light and temperature [26][27]. This delivery of active ingredients relies on differential biochemical changes, facilitating the development of more precise therapies with improved
  • frequently involve non-biodegradable monomers, generate non-biocompatible byproducts, and require extensive purification to eliminate potentially toxic residues, thereby complicating scalability and regulatory compliance. Moreover, the use of free radicals or ultraviolet light to initiate polymerization
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Published 10 Oct 2025

Multifunctional anionic nanoemulsion with linseed oil and lecithin: a preliminary approach for dry eye disease

  • Niédja Fittipaldi Vasconcelos,
  • Almerinda Agrelli,
  • Rayane Cristine Santos da Silva,
  • Carina Lucena Mendes-Marques,
  • Isabel Renata de Souza Arruda,
  • Priscilla Stela Santana de Oliveira,
  • Mércia Liane de Oliveira and
  • Giovanna Machado

Beilstein J. Nanotechnol. 2025, 16, 1711–1733, doi:10.3762/bjnano.16.120

Graphical Abstract
  • mL·min−1, using sealed aluminum pans (T181206 and T181128). Droplet size, polydispersity index, zeta potential, and conductivity Droplet size and polydispersity index (PdI) of the formulations were measured 24 h after preparation using dynamic light scattering with a Zetasizer Nano-ZS ZEN 3600 (Malvern
  • sealed glass vials at 25 °C, protected from light and kept at rest. The average droplet diameter (size-weighted), polydispersity index, and zeta potential were measured on days 1, 30, 45, and 60 after preparation, following the methodologies previously described. All measurements were performed in
  • from light. Absorbance was then measured at 518 nm using a Multiskan Go UV spectrophotometer (Thermo Fisher Scientific, FI). Ascorbic acid (3% w/v, prepared in the ophthalmic vehicle) was used as the positive control. The experiment was performed in quadruplicate, and antioxidant activity (DPPH radical
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Published 02 Oct 2025

Ambient pressure XPS at MAX IV

  • Mattia Scardamaglia,
  • Ulrike Küst,
  • Alexander Klyushin,
  • Rosemary Jones,
  • Jan Knudsen,
  • Robert Temperton,
  • Andrey Shavorskiy and
  • Esko Kokkonen

Beilstein J. Nanotechnol. 2025, 16, 1677–1694, doi:10.3762/bjnano.16.118

Graphical Abstract
  • restricted to ultrahigh vacuum. This review highlights the capabilities and scientific impact of APXPS at the MAX IV Laboratory, the world’s first fourth-generation synchrotron light source. With the APXPS beamlines SPECIES and HIPPIE, MAX IV offers state-of-the-art instrumentation for in situ and operando
  • studies across a broad pressure range, enabling research in catalysis, corrosion, energy storage, and thin film growth. The high brilliance and small beam size of MAX IV’s synchrotron light are essential for pushing the time-resolution boundaries of APXPS, especially in the soft X-ray regime. We discuss
  • near ambient pressure. Fourth-generation synchrotron light sources, characterized by their unprecedented photon flux, provide a key advantage for APXPS, enabling rapid data acquisition with low signal-to-noise ratio and facilitating the study of transient phenomena. This capability is essential for
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Published 24 Sep 2025

Prospects of nanotechnology and natural products for cancer and immunotherapy

  • Jan Filipe Andrade Santos,
  • Marcela Bernardes Brasileiro,
  • Pamela Danielle Cavalcante Barreto,
  • Ligiane Aranha Rocha and
  • José Adão Carvalho Nascimento Júnior

Beilstein J. Nanotechnol. 2025, 16, 1644–1667, doi:10.3762/bjnano.16.116

Graphical Abstract
  • the development of reactive oxygen species (ROS) [118]. Hyaluronic acid can inhibit local recurrence and distant tumor growth when used in immunotherapy scenarios in conjuction with CAR-T cells and anti-PDL1-conjugated platelets [119]. Transmission electron microscopy (TEM) and dynamic light
  • vasculature of these cells compared to healthy ones. Upon absorption of light during photodynamic therapy, Ce6 generates ROS, causing damage to the cell membrane, proteins, and DNA of the cancer cells, ultimately leading to their destruction. Additionally, the ROS produced by Ce6 destroys the vascular layer
  • light, synthesis in reverse micelles, and condensation processes [148]. Gold nanoparticles have great benefits for cancer and immunotherapy, providing increased efficiency and effectiveness by acting as immune regulators, enhancing the delivery of antitumor drugs, and improving biocompatibility
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Published 22 Sep 2025

Venom-loaded cationic-functionalized poly(lactic acid) nanoparticles for serum production against Tityus serrulatus scorpion

  • Philippe de Castro Mesquita,
  • Karla Samara Rocha Soares,
  • Manoela Torres-Rêgo,
  • Emanuell dos Santos-Silva,
  • Mariana Farias Alves-Silva,
  • Alianda Maira Cornélio,
  • Matheus de Freitas Fernandes-Pedrosa and
  • Arnóbio Antônio da Silva-Júnior

Beilstein J. Nanotechnol. 2025, 16, 1633–1643, doi:10.3762/bjnano.16.115

Graphical Abstract
  • polyethylenimine for loading peptides and proteins of T. serrulatus venom, and their use as a potential immunoadjuvant was evaluated. The protein loading efficiency of about 100% and the polyacrylamide gel electrophoresis assay confirmed the success of venom loading. Dynamic light scattering and zeta potential
  • shape, uniform aspects, and sizes compatible with the results obtained by dynamic light scattering. These morphological features are known to influence the biological activity of nanoparticles loaded with bioactive molecules, directly affecting their release. The release profile of a substance depends
  • weeks old), from both sexes were used for the studies. The animals were maintained at 22 ± 2 °C and in a 12 h dark/12 h light cycle, with free access to standard laboratory chow and water. Each experimental group was composed of five animals (n = 5). After the experiments, all animals were euthanized
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Published 17 Sep 2025

Nanotechnology-based approaches for the removal of microplastics from wastewater: a comprehensive review

  • Nayanathara O Sanjeev,
  • Manjunath Singanodi Vallabha and
  • Rebekah Rubidha Lisha Rabi

Beilstein J. Nanotechnol. 2025, 16, 1607–1632, doi:10.3762/bjnano.16.114

Graphical Abstract
  • include ultraviolet-induced oxidation, ozone-based oxidation, photocatalysis (activated by UV, solar, or visible light), electrochemical oxidation, and persulfate-activated oxidation [57]. In photocatalysis, photons excite the catalyst, generating electron–hole pairs that trigger redox reactions with the
  • fabrication process involves thermally transforming Ti3C2Tx MXene into multilayered TiO2 with photocatalytic properties, followed by coating with platinum and decorating the surface with magnetic γ-Fe2O3 nanoparticles. These engineered γ-Fe2O3/Pt/TiO2 microrobots exhibit light-driven, fuel-free movement with
  • , their ability to trigger photocatalytic reactions under UV light makes them effective for breaking down MPs. Among these materials, silver is especially valued for its suitability in creating corrosion-resistant surfaces. Membranes composed of metals and metal oxides exhibit strong adsorption
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Published 15 Sep 2025

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

Graphical Abstract
  • turn, a superior photoactivity. Compared to TiO2 nanowire arrays grown on metallic Ti substrates, TiO2 nanowires supported on carbon cloth substrates demonstrate markedly superior efficiency in the photocatalytic degradation of ofloxacin (OFL) molecules in water when exposed to UV light. The TiO2
  • nanowires remove 90–97% OFL in water with a high initial concentration of 50 ppm in 6 h under UV light irradiation for up to six cycles. The contributions of the hydrogen peroxide (H2O2) additive were also studied. An enhanced efficiency could be achieved only when the H2O2 in water reaches a critical
  • on porous materials, such as carbon-based adsorbents. These innovations help to slow down electron–hole recombination, broaden light absorption, and enhance surface adsorption sites [11]. Cao et al. synthesized TiO2 nanowires on reduced graphene oxide (rGO) through a solvothermal method, which
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Published 08 Sep 2025

Modeling magnetic properties of cobalt nanofilms used as a component of spin hybrid superconductor–ferromagnetic structures

  • Aleksey Fedotov,
  • Olesya Severyukhina,
  • Anastasia Salomatina and
  • Anatolie Sidorenko

Beilstein J. Nanotechnol. 2025, 16, 1557–1566, doi:10.3762/bjnano.16.110

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  • ], reinforcing, light-reflecting, conductive, and dielectric materials. Their utilization extends to contacts, printed circuit boards, and integrated circuit elements in microelectronics, as well as to the fabrication of optical filters, the component base of optoelectronics, and advanced lithographic processes
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Published 08 Sep 2025

Transient electronics for sustainability: Emerging technologies and future directions

  • Jae-Young Bae,
  • Myung-Kyun Choi and
  • Seung-Kyun Kang

Beilstein J. Nanotechnol. 2025, 16, 1545–1556, doi:10.3762/bjnano.16.109

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  • ; encapsulation; fabrication strategy; transient electronics; Introduction In recent years, a growing global concern has emerged regarding the unintended consequences of material longevity on sustainability initiatives, particularly in light of the escalating crisis of plastic waste accumulation in landfills and
  • external stimuli, such as changes in pH, light exposure, or temperature [94]. Because these materials do not react under standard biodegradation conditions, they can theoretically maintain functional performance throughout the intended operational period. However, delivering such stimuli into the body
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Published 04 Sep 2025

Influence of laser beam profile on morphology and optical properties of silicon nanoparticles formed by laser ablation in liquid

  • Natalie Tarasenka,
  • Vladislav Kornev,
  • Alena Nevar and
  • Nikolai Tarasenko

Beilstein J. Nanotechnol. 2025, 16, 1533–1544, doi:10.3762/bjnano.16.108

Graphical Abstract
  • special configurations of laser ablation experiments, such as laser ablation in an applied external electrical field [14][15][16], variation of liquid composition [13], laser ablation at increased liquid temperature [17][18], and using different light polarization (linear or circular) [19]. As a result, a
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Published 04 Sep 2025

Nanomaterials for biomedical applications

  • Iqra Zainab,
  • Zohra Naseem,
  • Syeda Rubab Batool,
  • Filippo Pierini,
  • Seda Kizilel and
  • Muhammad Anwaar Nazeer

Beilstein J. Nanotechnol. 2025, 16, 1499–1503, doi:10.3762/bjnano.16.105

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  • promote the healing of damaged tissues or organs [5]. Photothermal treatments are also possible with nanomaterials, as specially prepared particles can heat up and destroy cancer cells when exposed to light [6]. Moreover, nanomaterials can be incorporated into implants and prosthetics for enhanced
  • . Drugs or genetic material can be carried by these cylindrical nanoparticles and directed towards specific cells through external stimuli such as a magnetic field or light [12]. A new nanoscale drug delivery system has been developed by using carbon nanotubes and a carbon nanotube–graphene hybrid to more
  • conditions such as cancer, neurological disorders, and infections. Quantum dots are a widely studied type of nanomaterial used in biomedical diagnostics. When these semiconductor particles are exposed to light, they strongly and stably emit fluorescence. Unlike regular dyes, quantum dots do not quickly fade
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Published 28 Aug 2025

Laser processing in liquids: insights into nanocolloid generation and thin film integration for energy, photonic, and sensing applications

  • Akshana Parameswaran Sreekala,
  • Pooja Raveendran Nair,
  • Jithin Kundalam Kadavath,
  • Bindu Krishnan,
  • David Avellaneda Avellaneda,
  • M. R. Anantharaman and
  • Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 1428–1498, doi:10.3762/bjnano.16.104

Graphical Abstract
  • catalysis, solar energy, and light emission. A critical review on the emerging topic of laser ablation, fragmentation, and melting in liquids, and key reports on both the fundamental principles and applications related to these processes are available in [6]. In another review, the formation mechanism and
  • surrounding solvent, owing to the efficient light absorption capability of the NPs and their limited thermal transfer to the solvent. [35][63][72][73][74]. LIL also leads to phase transitions and morphological changes (Figure 7a–d) depending on the laser fluence and irradiation time [42]. Schematic
  • storage and conversion to chemical processing and material synthesis [84][85]. One of the key mechanisms underlying laser-induced defect engineering in liquids (LDL) is the rapid and localized energy deposition facilitated by laser irradiation. The high-intensity, coherent light can selectively and
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Published 27 Aug 2025

Photochemical synthesis of silver nanoprisms via green LED irradiation and evaluation of SERS activity

  • Tuan Anh Mai-Ngoc,
  • Nhi Kieu Vo,
  • Cong Danh Nguyen,
  • Thi Kim Xuan Nguyen and
  • Thanh Sinh Do

Beilstein J. Nanotechnol. 2025, 16, 1417–1427, doi:10.3762/bjnano.16.103

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  • candidates for surface-enhanced Raman scattering (SERS) due to their strong localized surface plasmon resonance and sharp tip geometry. In this study, AgNPrs were synthesized through a photochemical method by irradiating spherical silver nanoparticle seeds with 10 W green light-emitting diodes (LEDs; 520
  • applications. Keywords: light-emitting diodes (LEDs); photochemical synthesis; silver nanoprisms; surface-enhanced Raman scattering (SERS); trisodium citrate; Introduction Anisotropic silver nanoparticles (ASNPs) have attracted increasing attention from research groups worldwide due to their potential
  • , photochemical methods utilizing physical agents such as lasers [5], UV light [6], or LEDs [7][8][9] have gained attention due to their superior spatial and temporal control, high stability of the resulting AgNPrs and avoidance of environmentally unfriendly reducing agents [8][10]. The strong surface plasmon
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Published 26 Aug 2025

The role of biochar in combating microplastic pollution: a bibliometric analysis in environmental contexts

  • Tuan Minh Truong Dang,
  • Thao Thu Thi Huynh,
  • Guo-Ping Chang-Chien and
  • Ha Manh Bui

Beilstein J. Nanotechnol. 2025, 16, 1401–1416, doi:10.3762/bjnano.16.102

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  • MPs, underscoring the role of treatment facilities as pathways for MP release into aquatic environments [11]. The ecological and human health risks associated with MPs necessitate urgent mitigation strategies. In Yan’an, China, MP pollution loading indices ranged from 1.00 to 2.48, indicating light
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Published 21 Aug 2025

Synthesis and antibacterial properties of nanosilver-modified cellulose triacetate membranes for seawater desalination

  • Lei Wang,
  • Shizhe Li,
  • Kexin Xu,
  • Wenjun Li,
  • Ying Li and
  • Gang Liu

Beilstein J. Nanotechnol. 2025, 16, 1380–1391, doi:10.3762/bjnano.16.100

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  • ) membrane for water desalination. The TiO2-modified membrane demonstrated significant antibacterial activity against Escherichia coli. Under UV light, the survival ratio of bacterial cells reduced to 5% within 4 h; the membrane was completely sterilized within 5 h. This effect is attributed to the
  • solution immediately triggered the polymerization of dopamine monomers, accompanied by a color change from light brown to deep brown or black after 24 h, as illustrated in Supporting Information File 1, Figure S2. In this process, the protons generated from the oxidation process are consumed, shifting the
  • approximately 78.5 mm2 pieces, which were disinfected with ultraviolet light for 30 min. A lawn of the experimental strain was prepared on NB medium (0.3 wt % beef extract, 0.1 wt % yeast extract, 0.5 wt % peptone, 1% sucrose, and 0.5 wt % NaCl), with an original concentration of 1 × 106 CFU·mL−1 through
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Published 19 Aug 2025

Enhancing the therapeutical potential of metalloantibiotics using nano-based delivery systems

  • Alejandro Llamedo,
  • Marina Cano,
  • Raquel G. Soengas and
  • Francisco J. García-Alonso

Beilstein J. Nanotechnol. 2025, 16, 1350–1366, doi:10.3762/bjnano.16.98

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  • by dynamic light scattering. The antibacterial activity of these nanoparticles was evaluated against Gram-positive and Gram-negative bacterial strains (S. aureus, S. epidermidis, E. coli, and P. aeruginosa) and compared to the free complex 18. While neither free drug 18 nor the encapsulated
  • higher light absorption, and greater photoemission output, resulting in enhanced bactericidal activity against S. aureus (Figure 7). The Ir-complex liposomes interact efficiently with 450 nm LED light, leading to ROS generation and subsequent bacterial inactivation at the site of an infected chronic skin
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Published 15 Aug 2025

Ferroptosis induction by engineered liposomes for enhanced tumor therapy

  • Alireza Ghasempour,
  • Mohammad Amin Tokallou,
  • Mohammad Reza Naderi Allaf,
  • Mohsen Moradi,
  • Hamideh Dehghan,
  • Mahsa Sedighi,
  • Mohammad-Ali Shahbazi and
  • Fahimeh Lavi Arab

Beilstein J. Nanotechnol. 2025, 16, 1325–1349, doi:10.3762/bjnano.16.97

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  • light scattering (DLS) is commonly used to determine liposome size and size distribution. Transmission electron microscopy (TEM) and atomic force microscopy (AFM) can be used to image liposome morphology and determine lamellarity. Zeta potential measurements assess the surface charge of liposomes, which
  • a crucial parameter that influences their biodistribution, cellular uptake, and drug release. DLS is a widely used technique to determine the size distribution of liposomes in solution [110][125]. DLS measures the fluctuations in light intensity generated by the Brownian motion of liposome particles
  • liposomes is preserved [110]. The surface charge of liposomes, often expressed as zeta potential, is an important parameter that influences their stability and interaction with biological systems. Electrophoretic light scattering is often used to measure the zeta potential of liposomes [110][125]. Cryo-TEM
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Published 14 Aug 2025

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

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  • 400–2000 nm) provided white light excitation across the visible spectrum. Two crossed polarizers were employed, with a polarizer and analyzer used to enhance the scattered field from the nanotubes relative to the stronger reflected field from the substrate. A low-pass optical filter with a cutoff
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Published 13 Aug 2025

Wavelength-dependent correlation of LIPSS periodicity and laser penetration depth in stainless steel

  • Nitin Chaudhary,
  • Chavan Akash Naik,
  • Shilpa Mangalassery,
  • Jai Prakash Gautam and
  • Sri Ram Gopal Naraharisetty

Beilstein J. Nanotechnol. 2025, 16, 1302–1315, doi:10.3762/bjnano.16.95

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  • density coherently oscillates, coupled to both media. Usually, LIPSS formation is a multipulse phenomenon, as pulse after pulse create a different roughness on the surface or feedback mechanism to form certain SPP modes. The interference of incoming light with scattering from the SPP modes can lead to the
  • how metal surfaces respond to incident wavelengths [53][54]. This work advances our comprehension of LIPSS structures and their applications, shedding new light on the interplay between incident wavelengths and surface interactions. The paper concludes by emphasizing the importance of optical
  • properties, laser parameters, and material characteristics in determining penetration depth, thereby contributing to the broader understanding of light–material interactions. Materials and Methods Materials A double-sided polished stainless steel surface (SS304) with a thickness of 100 µm was utilized
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Published 11 Aug 2025
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