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

• mechanisms, efficiency, and experimental conditions. To improve clarity and compare functional mechanisms, the nanomaterials are grouped based on their primary MP removal strategy, that is, adsorption, photocatalysis, and magnetic/hybrid systems. Tables 4–6 highlight that adsorption and photocatalysis are

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

• , accurately weighed amounts of OPS and surfactants were homogenized under magnetic stirring for 2 min. Ultrapure water was then added dropwise (≈0.5 mL/min) under continuous stirring (≈900 rpm, IKA® C-MAG HS7 – Staufen, Germany). The entire process was conducted at 75 ± 3 °C. After water addition, the mixture

Toward clinical translation of carbon nanomaterials in anticancer drug delivery: the need for standardisation

• Michał Bartkowski,
• Francesco Calzaferri and
• Silvia Giordani

Beilstein J. Nanotechnol. 2025, 16, 2092–2104, doi:10.3762/bjnano.16.144

• energy sectors (Figure 1). NMs have seen use as antimicrobial agents [1], catalysts [2], bioimaging agents [3][4][5][6], magnetic particle imaging agents [7], nanofluids [8], antiviral agents [9], photothermal convertors [10], and in environmental remediation [11]. Topically, the biomedical applications

Stereodiscrimination of guests in chiral organosilica aerogels studied by ESR spectroscopy

• Sebastian Polarz,
• Yasar Krysiak,
• Martin Wessig and
• Florian Kuhlmann

Beilstein J. Nanotechnol. 2025, 16, 2034–2054, doi:10.3762/bjnano.16.140

• surfaces has proven challenging. For the separation of the individual factors, researchers developed powerful nuclear magnetic resonance (NMR) techniques. Great success was reached using pulsed field gradient (PFG)-NMR [19][20][21]. PFG-NMR incorporates the application of magnetic field gradients in

• addition to the uniform external magnetic field. A sequence of gradient pulses is used to label the position of the nuclear spins. The first pulse encodes spatial information; if the spins move (diffuse) during the interval, a second gradient pulse will partially or fully refocus them. The extent to which

• bands are seen at 1666 cm−1 (amide I) and 1557 cm−1 (amide II), and the bands at 1046 and 948 cm−1 originate from the siloxane network (Si–O–Si). The 13C magic angle spinning (MAS) nuclear magnetic resonance (NMR) spectrum (Figure 2e) displays signals for Ala-CH3 (δ = 16.0 ppm), Ala-CH (45.3 ppm

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

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

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

• an oil phase were prepared under magnetic stirring, with their composition specified in Table 4. Subsequently, the aqueous phase was carefully added to the oil phase. The mixture was subjected to vortex (IKA) mixing for 5 min, followed by ultrasonication for 5 min at an amplitude of 40% using an

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

• shape control, the understanding of the underlying mechanisms is required to elucidate the major stages and key parameters to influence the shape of the nanomaterials during synthesis. It is especially relevant when external action is applied, such as temperature, electrical, and magnetic fields, as

• based on the introduction of external electric, magnetic, or temperature fields during the ablation process (Figure 4f). In the following sections, the strategies for the shape-controlled synthesis of nanomaterials by laser ablation in liquids are summarized. 3 Discussion: Strategies for NP shape

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

• , bicyclogermacrene, and α-zingiberene as the main constituents [128][129]. The nanoemulsion was prepared with essential oil, polysorbate 20, and distilled water using magnetic stirring and aqueous titration, followed by emulsification. The resulting formulation had an average size of 171.1 nm (±1.2), a

• ), gamma-terpinene, globulol, and gamma-pinene, with eucalyptol being considered the main agent responsible for the larvicidal action [139][140]. The nanoemulsion formulation was obtained in a 1:2 (v/v) ratio between the oil phase (oil + polysorbate 20) and water, prepared by magnetic stirring followed by

Programmable soliton dynamics in all-Josephson-junction logic cells and networks

• Vsevolod I. Ruzhickiy,
• Anastasia A. Maksimovskaya,
• Sergey V. Bakurskiy,
• Andrey E. Schegolev,
• Maxim V. Tereshonok,
• Mikhail Yu. Kupriyanov,
• Nikolay V. Klenov and
• Igor I. Soloviev

Beilstein J. Nanotechnol. 2025, 16, 1883–1893, doi:10.3762/bjnano.16.131

• JJ-based architectures face fundamental density constraints imposed by magnetic flux manipulation requirements and complex mutual inductive crosstalks. Circuits composed entirely of Josephson junctions (all-JJ circuits) [10][11][12][13][14][15][16] represent a promising platform for energy-efficient

• ], voltage [20], or magnetic fields [21][22]. At the same time, the use of hybrid superconductor–normal metal structures makes it possible to increase the effect of frequency tuning [23][24], while the addition of ferromagnetic layers permits the non-volatile control [25][26]. Another feature of tunable

• unperturbed. Remarkably, a further increase of inductance to L/LJ = 4 (see Figure 2c) leads to the re-emergence of the Open mode. This non-trivial effect is governed by transient energy storage in the inductor L. Although the soliton is momentarily halted at the KICK, the subsequent release of stored magnetic

Current status of using adsorbent nanomaterials for removing microplastics from water supply systems: a mini review

• Nguyen Thi Nhan and
• Tran Le Luu

Beilstein J. Nanotechnol. 2025, 16, 1837–1850, doi:10.3762/bjnano.16.127

• methods Adsorbent nanomaterials have recently shown great potential for removing MPs. They can be classified into four main groups, including carbon-based adsorbents, metal-organic frameworks (MOFs), magnetic nanomaterials, and aerogels and sponge-based adsorbents [49]. These materials are fabricated and

• . Fabricated FeNi12-CNTs-800 samples achieved 100% removal of PVC after 20 min of treatment, with the mechanisms attributed to the hydrophobic surface and magnetic properties of the material [57]. In a water treatment plant, by applying granular activated carbon (GAC), Arenas et al. reached 90% of MP removal

• (pore sizes of 0.3–3.4 nm) and adsorbed MPs through coordination and hydrophobic interactions [60]. Haris et al. introduced a magnetic C@FeO nanopillar adsorbent on a 2D-MOF, achieving approximately 100% removal of MPs (sizes <5 μm) after 1 h, significantly faster than conventional methods [61

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

• ). Nanoemulsion preparation and composition Nanoemulsions were prepared using the phase inversion composition method, a low-energy technique wherein the aqueous phase (AP) was gradually added dropwise to the oil phase (OP) under continuous magnetic stirring at 1500 rpm, using a magnetically stirrer (IKA® C-MAG

Advances of aptamers in esophageal cancer diagnosis, treatment and drug delivery

• Yang Fei,
• Hui Xu,
• Chunwei Zhang,
• Jingjing Wang and
• Yong Jin

Beilstein J. Nanotechnol. 2025, 16, 1734–1750, doi:10.3762/bjnano.16.121

• prognosis [51]. Therefore, the detection of EGFR biomarkers by developing simple and efficient methods may become an important strategy for early diagnosis of ESCC. Ilkhani et al. [52] designed an electrochemical sandwich immunosensor. The anti-EGFR aptamer was immobilized on magnetic beads, and the anti

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

• ophthalmic nanoemulsion containing the co-surfactant (with a final concentration of 3.66% w/w), 3.75 mL of optimized pre-formulation (after 24 h of rest) was diluted in 6.25 mL of the OV, which had 100 mg of Kolliphor® HS15 pre-solubilized through magnetic stirring. The resulting formulation was then

• g of LO was mixed with 100 mL methanolic KOH (2.5% w/v) and heated at 70 °C under magnetic stirring (3,000 rpm) for 1 h. Afterward, 100 mL of ethyl acetate was added, and the mixture was stirred at 3,000 rpm for 5 min. The resulting mixture was transferred to a separation funnel to remove the denser

• deviation. Acid value for linseed oil The acid value (AV) of LO was determined following the American Oil Chemists Society (AOCS) Cd 3d-63 method. For quantification, 5 g of LO was dissolved in 50 mL of a petroleum ether and ethanol mixture (1:1 v/v ratio) at 25 °C under magnetic stirring. The sample was

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

• Seidali Seidov,
• Natalia Pugach and
• Anatolie Sidorenko

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

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

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

• traditional therapies. Advances in cancer nanotechnology include the development of smart nanocarriers capable of responding to internal stimuli (such as pH, redox potential, and enzymes) and external stimuli (such as magnetic fields, heat, or ultrasound), enabling precise and controlled drug release [16][17

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

• PVA (1.0% w/v), at an output flux of 3.0 mL⋅min−1. After titrations, the acetone organic solvent evaporation occurred under a 700 rpm of magnetic stirring overnight. After solvent evaporation, colloidal dispersions were centrifuged at 22,000g for 5 minutes. The T. serrulatus venom loading in the

• cationic nanoparticles was tested at two different formulations containing 0.5% and 1.0% (w/w) of Tsv in the nanoparticle suspension. The venom aqueous solution was added to the colloidal dispersion containing the cationic-functionalized NPs at 22 °C, which remained under magnetic stirring at 360 rpm for 5

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

• 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

• six degrees of freedom due to their negative photogravitaxis. Their self-propelling capability, combined with tunable surface charge (zeta potential), enables rapid attraction and capture of nanoplastics onto their surfaces and between layered structures. The magnetic nature of the microrobots allows

• system complexity. Preventive approaches, such as glutenin-genipin cross-linked coatings, effectively reduce plastic shedding under harsh conditions using biodegradable materials; however, they address only source control and lack proven scalability. Imine-functionalized mesoporous magnetic silica

Few-photon microwave fields for superconducting transmon-based qudit control

• Irina A. Solovykh,
• Andrey V. Pashchenko,
• Natalya A. Maleeva,
• Nikolay V. Klenov,
• Olga V. Tikhonova and
• Igor I. Soloviev

Beilstein J. Nanotechnol. 2025, 16, 1580–1591, doi:10.3762/bjnano.16.112

• ), or a pair of JJs forming an interferometer-like circuit, so the spectrum is no longer equidistant. In the case where the JJ pair is used, the characteristic (plasma) frequency of the transmon can be quickly adjusted in 10–20 ns in the range of 1 GHz by an external magnetic field [35]. In practice

• , researchers try to reduce the transmon frequency dependence on the external magnetic field to get rid of parasitic flux fluctuations. A large shunt capacitance CB is needed to increase resistance to parasitic charge fluctuations [36]. A few-photon non-classical microwave field (with a certain number of

• description of Fock-based qudit control First, we need to quantize the field in the harmonic oscillator that corresponds to a high-quality resonator. The energy of the electric field stored in the capacitor and the energy of the magnetic field stored in the inductor can be written as follows: with operators

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

• ., Dolgoprudny, 141701, Russia 10.3762/bjnano.16.110 Abstract The paper presents a mathematical model for studying the magnetic behavior of atoms, which takes into account spin and interatomic interactions. Two problems were solved by means of mathematical modeling. At the first stage, the problem of modeling a

• previously obtained data confirmed the adequacy of the applied mathematical model. The second stage of numerical studies was devoted to the analysis of the magnetic behavior of cobalt nanofilms of different thicknesses. It was shown that the film thickness has a significant influence on the magnetic

• parameters of the modeled nanoscale systems. It was found that the magnetic energy and magnetization norm of the system change in a nonlinear manner with increasing number of crystalline layers of the nanofilm. The peaks found on the graph of the magnetization rate change can be caused by surface effects in

Dendrimer-modified carbon nanotubes for the removal and recovery of heavy metal ions from water

• Thao Quynh Ngan Tran,
• Huu Trung Nguyen,
• Subodh Kumar and
• Xuan Thang Cao

Beilstein J. Nanotechnol. 2025, 16, 1522–1532, doi:10.3762/bjnano.16.107

• formed [52]. The mixture of MA and DES was stirred at room temperature for 10 min and then diluted with 3 mL of deionized water to obtain a homogeneous solution. Subsequently, 100 mg of pure CNTs were gradually added to the MA-DES solution under continuous magnetic stirring for 30 min to ensure proper

Cross-reactivities in conjugation reactions involving iron oxide nanoparticles

• Shoronia N. Cross,
• Katalin V. Korpany,
• Hanine Zakaria and
• Amy Szuchmacher Blum

Beilstein J. Nanotechnol. 2025, 16, 1504–1521, doi:10.3762/bjnano.16.106

• Shoronia N. Cross Katalin V. Korpany Hanine Zakaria Amy Szuchmacher Blum Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, QC H3A 0B8, Canada 10.3762/bjnano.16.106 Abstract The preparation of multimodal nanoparticles by capping magnetic iron oxide nanoparticles

• Michael addition; Introduction Iron oxide nanoparticles (IONPs) have been the subject of an immense body of research in the field of biomedicine, where their magnetic properties are appealing for such applications as MRI contrast agents [1], tumor hyperthermia [2], and magnetic drug delivery [3

• targeting and drug payload delivery. The ability to chemically modify the ligand layer of IONPs, while maintaining their morphology and magnetic properties, is thus paramount to the preparation of functional IONPs. The use of highly selective conjugation reactions such as 1-ethyl-3-(3-dimethylaminopropyl

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

• . 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

• color upon detecting the virus. Their capability to attach to specific antibodies or DNA strands makes them perfect for detecting even faint traces of disease [18]. Moreover, magnetic nanoparticles specially made from iron oxide are also being used in medical imaging. They are usually employed as

• contrast agents in magnetic resonance imaging (MRI) process [19]. There is more clarity in MRI images due to these nanoparticles, which help doctors to see even the smallest details in tissues and organs [20]. Apart from imaging, magnetic nanoparticles are now used in biosensors and lab-on-a-chip devices

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

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

• techniques according to their treatment models, such as batch and fixed-column systems [22]. Modified biochars have been developed to enhance MP capture efficiency, including magnetic biochar, which facilitates easy separation from aqueous environments [22][23]. A comparative study by Mulindwa, et al. [24

• removal efficiency in wastewater treatment applications. Biochar synthesis techniques and functional optimization Biochar synthesis The synthesis methods for biochar, as illustrated in Figure 4, encompass traditional hydrolysis techniques and modified approaches utilizing materials such as magnetic

• modifiers, magnetic-derived amphoteric metals and cooperative microbes [31][32][33][34]. Traditional biochar synthesis aims to optimize specific surface area and structural stability by controlling reaction time, heating rate and reactor temperature [35]. For example, biochar produced from oilseed rape

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

• and Discussion Structure of membrane material To verify the target structure of the synthesized material, Fourier-transform infrared spectroscopy (FTIR) and nuclear magnetic resonance spectroscopy (NMR) were conducted, with the spectra depicted in Figure 1 and Figure 2, respectively. The FTIR bands

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

• . Other characterization techniques include nuclear magnetic resonance (NMR) spectroscopy to study membrane fluidity and phase transitions, fluorescence spectroscopy for investigating drug–liposome interactions, and capillary electrophoresis to analyze liposome–drug interactions and drug release [110][121