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

• therapeutics are loaded onto the CNMs via approaches like physical adsorption, covalent attachment, or encapsulation. The resulting formulations undergo in vitro evaluation, and the promising candidates then proceed to in vivo testing in animal models to evaluate therapeutic efficacy, biodistribution, and

• breast cancers. Its small molecular weight and good aqueous solubility facilitate encapsulation in diverse DDSs, while its instability and short half-life, due to rapid deamination and phosphorylation, highlight the need for protective nanocarriers to improve bioavailability. These features make

• . CNMs must retain their structural and functional integrity under physiological conditions, including varying pH, ionic strength, and temperature. Instability can result in aggregation, degradation, or loss of therapeutic payload. Strategies such as lyophilisation, drug encapsulation, and the use of

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

• –shell nanofibers can enhance the system in various scenarios (e.g., improving formulation stability, increasing the encapsulation efficiency, and tailoring the controlled release of therapeutically active molecules [39][40]). This approach has demonstrated promising results, especially for topical drug

• critical gap persists in thoroughly understanding the complex polymer–lipid interactions, particularly in systems designed for the simultaneous co-encapsulation of compounds with vastly different physicochemical properties, such as hydrophilic HA and lipophilic βCp. An in-depth understanding of these

• specific interactions is essential for precise modulation of encapsulation efficiency, ensuring system stability and achieving tailored kinetic release. Therefore, the primary objective of this study was to thoroughly investigate lipid–polymer interactions within coaxially electrospun PLA nanofibers

PEGylated lipids in lipid nanoparticle delivery dynamics and therapeutic innovation

• Peiyang Gao

Beilstein J. Nanotechnol. 2025, 16, 1914–1930, doi:10.3762/bjnano.16.133

• properties of LNPs including particle size, surface charge, and encapsulation efficiency. Subsequent sections explore the roles of PEG lipids in modulating protein corona formation and cellular uptake. The latter parts highlight the potential of functionalized PEG lipids for targeted delivery and the

• -based LNPs formulated with varying DMPE-PEG2k content from 1 to 5 mol %, changes were observed in nanoparticle diameter, polydispersity index (PDI), surface charge, and payload encapsulation efficiency (EE%). Increasing the PEG lipid content led to a reduction in the hydrodynamic diameter of LNPs, with

• fraction of PEG lipids can affect LNP characterizations. In DMPE-PEG5k LNPs, increasing the PEG lipid fraction from 1.5 mol % to 5 mol % resulted in no significant change in particle size but led to a substantial encapsulation efficiency drop from over 90% to below 80%. While in LNPs incorporating Chol-PEG

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

• formulation parameters – such as drug miscibility with the oil phase, droplet size, and size uniformity – have been directly correlated with permeation efficiency across the skin barrier [32][33]. Specifically, the encapsulation of lipophilic compounds like phytol in finely dispersed droplets within oil-in

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

• , presenting rather simple electronic and phonon structures that are dependent on N [31][32]. When they are host-free, their phonon structures present longitudinal and transversal modes but their encapsulation by CNT inhibits transversal modes [29][30][31][32][55][56][57][58][59]. This inhibition seems to be

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

• (Figure 2A), resulting in a uniform dispersion of active compounds within the polymer [29][30]. The encapsulation of drugs in nanocapsules and nanospheres correlates with their biopharmaceutical characteristics, which are directly linked to oral absorption. Amidon et al. [31], through studies correlating

• encapsulation of hydrophobic drugs [55]. Chitosan, a natural polymer, predominantly forms NPs via ionic gelation, where interactions with multivalent counterions create stable polymeric networks without the use of organic solvents, thereby ensuring high biocompatibility and minimal toxicity. Similarly, alginate

• NPs are often obtained through emulsification/solvent diffusion techniques, facilitated by its water solubility and gel-forming capacity in the presence of divalent cations that support the encapsulation of hydrophilic drugs. Dialysis methods, in turn, are particularly suited for amphiphilic

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

• delivery of gene-silencing therapeutics; (2) direct intercalation of aptamers with small-molecule chemotherapeutic drugs (e.g., DOX), forming stable complexes; (3) co-encapsulation of aptamers and hydrophobic drugs into nanoparticles (e.g., liposomes or polymeric micelles) to improve drug solubility and

• optimize aptamer performance [135]. The second strategy is encapsulation of nanocarriers, such as metal nanoparticles, quantum dots, silica nanoparticles and liposomes. Gold nanoparticles (AuNPs) have different morphologies, among which gold nanospheres are the most popular. Spherical AuNPs are synthesized

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

• (SCALMS) [17][18], and cluster encapsulation via strong metal–support interaction (SMSI) [19] have shown promise. While these methods have been successfully characterized using APXPS, the systems themselves were not investigated under catalytic turnover conditions and are therefore not discussed further

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

• permeability, which can help overcome challenges like multidrug resistance [23]. Moreover, this technology enables better encapsulation of active pharmaceutical ingredients (APIs), contributing to improved drug delivery to the tumor region and promoting new therapeutic approaches for cancer treatment [99]. In

• cell cycle arrest, regulate oxidative stress, enhance metabolic reprogramming, inhibit invasion and metastasis, and modulate immunity and inflammation [129]. The developed nanoparticles underwent physicochemical characterization by SEM, UV–vis spectroscopy, and encapsulation testing, in which the

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

• (*p < 0.05), without significantly altering the zeta potential (Table 1). A polydispersity index (PDI) smaller than 0.3 was required for all the analyses. The quantification of proteins by the bicinchoninic acid (BCA) assay showed an encapsulation efficiency (EE) of 100% for all samples containing T

• corroborates the high encapsulation efficiency obtained by the BCA assay. Field emission gun scanning electron microscopy and atomic force microscopy analyses Field emission gun scanning electron microscopy (FEGSEM) and atomic force microscopy (AFM) analyses were realized to access shape and surface features

• of NPs and T. serrulatus venom protein-loaded PLA nanoparticles at 0.5% and 1.0%. For both techniques, the particles showed uniform characteristics with smooth surface, spherical shape, and great encapsulation efficiency. The addition of T. serrulatus venom did not alter the spherical shape, as well

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

• lifetime control through strategies such as protective encapsulation. This Perspective outlines critical opportunities and technical directions to guide the development of next-generation transient electronic systems. Keywords: biodegradable/bioresorbable electronics; biodegradable materials

• ; 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

• . Third, precise lifetime control remains a critical challenge, necessitating not only improved encapsulation strategies but also dynamic, stimuli-responsive degradation mechanisms. Given the intricate nature of biological environments and the variability of therapeutic requirements, materials used in

Parylene-coated platinum nanowire electrodes for biomolecular sensing applications

• Chao Liu,
• Peker Milas,
• Michael G. Spencer and
• Birol Ozturk

Beilstein J. Nanotechnol. 2025, 16, 1392–1400, doi:10.3762/bjnano.16.101

• biocompatibility, catalytic efficiency, and stability [24]. Parylene-C was utilized for the encapsulation and insulation of the electrodes. Dopamine and glucose were selected as analytes for testing biosensing capabilities of the electrodes. Nanoscale electrode growth steps are explained including nanowire growth

• , parylene-C encapsulation, and laser-assisted nanowire tip exposure. The nanowire electrode structure and the corresponding functionality are described. Electrochemical testing results of dopamine and glucose detection are also presented. Results and Discussion After optimization of the growth parameters

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

• targets, discuss current advancements in encapsulation methods, and examine the efficacy of encapsulated metalloantibiotics. Finally, we consider the challenges and future directions for the integration of metalloantibiotic-loaded carriers in the fight against antibiotic-resistant infections. Keywords

• reputation of metal-based drugs as toxic agents, related to studies that describe systemic toxicity of several metallodrugs, mainly related to liver damage and cardiotoxic effects [23]. In this sense, several recent studies show that encapsulation in nanotechnological systems is a general solution to

• overcome these problems [24]. Thus, encapsulation systems create a protective environment for metallodrugs, ensuring that they are delivered to the therapeutic site intact and limiting their interaction with healthy cells. In this way, nanoencapsulation systems drastically improve the efficacy and safety

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

• [109]. The synthesis and characterization of liposomes are crucial steps to ensure their efficacy and safety as drug delivery systems [110]. 3.1 Design and engineering of liposomes Numerous liposome preparation methods affect their properties, including size, layer structure, and encapsulation

Better together: biomimetic nanomedicines for high performance tumor therapy

• Imran Shair Mohammad,
• Gizem Kursunluoglu,
• Anup Kumar Patel,
• Hafiz Muhammad Ishaq,
• Cansu Umran Tunc,
• Dilek Kanarya,
• Mubashar Rehman,
• Omer Aydin and
• Yin Lifang

Beilstein J. Nanotechnol. 2025, 16, 1246–1276, doi:10.3762/bjnano.16.92

• . Exosomes have also been used to deliver chemotherapeutic agents, nucleic acids, macromolecules, and diagnostic agents. Thus, exosomes are ideal delivery vehicles for therapeutic treatments that should be specific to the targeting sites with low toxicity to other organs, high encapsulation and delivery

Functional bio-packaging enhanced with nanocellulose from rice straw and cinnamon essential oil Pickering emulsion for fruit preservation

• Tuyen B. Ly,
• Duong D. T. Nguyen,
• Hieu D. Nguyen,
• Yen T. H. Nguyen,
• Bup T. A. Bui,
• Kien A. Le and
• Phung K. Le

Beilstein J. Nanotechnol. 2025, 16, 1234–1245, doi:10.3762/bjnano.16.91

• ]. Encapsulation strategies, like Pickering emulsions (PEs) stabilized by bio-based particles, address these challenges [37]. Nanocellulose is a promising candidate for stabilizing Pickering emulsions because of its high surface area, nanoscale dimensions, and amphiphilic nature [20]. This not only improves the

• visibly lower. This may be related to the disruption of the crystalline structure of PVA after encapsulation of essential oil. For rBP and rCBP, which also contains NC, a small rise in the XRD signal can be seen at around 18°, which may be from the (110) plane of the Iβ cellulose crystalline phase [32

Hydrogels and nanogels: effectiveness in dermal applications

• Jéssica da Cruz Ludwig,
• Diana Fortkamp Grigoletto,
• Daniele Fernanda Renzi,
• Wolf-Rainer Abraham,
• Daniel de Paula and
• Najeh Maissar Khalil

Beilstein J. Nanotechnol. 2025, 16, 1216–1233, doi:10.3762/bjnano.16.90

• concept on hydrogels, underlining compounds such as chitosan and alginate, and methods used for their preparation. Nanogels, with their attractive features, such as high drug encapsulation and penetration enhancer embedding, are also addressed. Finally, the application of these systems in dermal

• encapsulation of poorly water-soluble drugs and allowing the controlled release of the encapsulated compound [142][144]. These innovations represent a significant advance in the development of multifunctional and biocompatible nanogels, suitable for applications in oncology, gene therapy, and precision medicine

• increased drug encapsulation [195], penetration enhancer embedding [157], stimuli responsiveness, as well as controlled drug release [37]. Due to their unique characteristics, nanogels have also shown promise as site-specific DDSs. Changes in environmental conditions, such as pH [151][199], temperature [197

Investigation of the solubility of protoporphyrin IX in aqueous and hydroalcoholic solvent systems

• Michelly de Sá Matsuoka,
• Giovanna Carla Cadini Ruiz,
• Marcos Luciano Bruschi and
• Jéssica Bassi da Silva

Beilstein J. Nanotechnol. 2025, 16, 1209–1215, doi:10.3762/bjnano.16.89

• self-assembly of monomers into micelles with a hydrophobic core of polypropylene oxide (PPO) and a hydrophilic corona of polyethylene oxide (PEO), creating an environment suitable for the encapsulation of hydrophobic drugs such as PpIX [15]. These micelles enhance drug solubility, protect against

Chitosan nanocomposite containing rotenoids: an alternative bioinsecticidal approach for the management of Aedes aegypti

• Maria A. A. Bertonceli,
• Vitor D. C. Cristo,
• Ivo J. Vieira,
• Francisco J. A. Lemos,
• Arnoldo R. Façanha,
• Raimundo Braz-Filho,
• Gustavo V. T. Batista,
• Luis G. M. Basso,
• Sérgio H. Seabra,
• Thalya S. R. Nogueira,
• Felipe F. Moreira,
• Arícia L. E. M. Assis,
• Antônia E. A. Oliveira and
• Kátia V. S. Fernandes

Beilstein J. Nanotechnol. 2025, 16, 1197–1208, doi:10.3762/bjnano.16.88

• selective toxicity to target organisms, making them a viable alternative for developing new insecticide formulations. Combining these attributes with nanoparticle encapsulation strategies, it is possible to considerably increase the biocidal agent efficacy while reducing the environmental and human health

• encapsulation efficiency is estimated to be ≥99% within the detection limits of high-performance liquid chromatography (HPLC) and thin-layer chromatography (TLC) methods applied, indicating a highly effective incorporation of the rotenoids into the nanochitosan matrix. In addition to the high encapsulation

• into the chitosan-based nanocomposite and suggest molecular interactions that may contribute to the enhanced stability and bioactivity of the formulation. To complement the physicochemical characterization and confirm the efficiency of rotenoid encapsulation within the nanoparticles, a calibration

Fabrication of metal complex phthalocyanine and porphyrin nanoparticle aqueous colloids by pulsed laser fragmentation in liquid and their potential application to a photosensitizer for photodynamic therapy

• Taisei Himeda,
• Risako Kunitomi,
• Ryosuke Nabeya,
• Tamotsu Zako and
• Tsuyoshi Asahi

Beilstein J. Nanotechnol. 2025, 16, 1088–1096, doi:10.3762/bjnano.16.80

• nanoparticles and nanomicelle encapsulation have been used to disperse them in water [2][3][4][5][6][7]. For example, AlClPc has been loaded into nanoemulsions using castor oil and Cremophor ELP® [5]. ZnPc was dispersed in unilamellar liposomes by a solvent exchange method [7][8], and its photocytotoxicity

A calix[4]arene-based supramolecular nanoassembly targeting cancer cells and triggering the release of nitric oxide with green light

• Cristina Parisi,
• Loredana Ferreri,
• Tassia J. Martins,
• Francesca Laneri,
• Samantha Sollima,
• Antonina Azzolina,
• Antonella Cusimano,
• Nicola D’Antona,
• Grazia M. L. Consoli and
• Salvatore Sortino

Beilstein J. Nanotechnol. 2025, 16, 1003–1013, doi:10.3762/bjnano.16.75

• specifically target cancer cells overexpressing choline transporters and, after encapsulation of the NOPD 2, stimulate NO release through a green-light-triggered photosensitization process. Results and Discussion Design and synthesis Calix[4]arene 1 integrates four choline moieties at the upper rim of the

• cytotoxic effect was observed for any of the tested concentrations up to 6.2 μM. The four choline ligands of 1 are arranged on the same side with respect to the mean molecular plane. Their cationic nature is expected to reduce their steric hindrance, avoiding self-encapsulation in the calixarene cavity and

• absorption of 2 in the region below 350 nm (Figure 4A). The amount of 2 loaded was ca. 40 µM, corresponding to an encapsulation efficiency of ca. 93%. Note that the encapsulation process does not significantly change the hydrodynamic diameter of the supramolecular nanoassembly, which resulted in ca. 150 nm

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

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

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

Aprepitant-loaded solid lipid nanoparticles: a novel approach to enhance oral bioavailability

• Mazhar Hussain,
• Muhammad Farooq,
• Muhammad Asad Saeed,
• Muhammad Ijaz,
• Sherjeel Adnan,
• Zeeshan Masood,
• Muhammad Waqas,
• Wafa Ishaq and
• Nabeela Ameer

Beilstein J. Nanotechnol. 2025, 16, 652–663, doi:10.3762/bjnano.16.50

• analysis. APT-loaded SLNs were prepared by the precipitation method and characterized by physicochemical studies including particle size and zeta potential measurements, drug content, encapsulation efficiency and solubility studies, Fourier-transform infrared spectroscopy (FTIR), scanning electron

• encapsulation efficiency The drug content of SLNs formulations ranged from 16.95% ± 0.76% to 96.75% ± 0.24%; the highest APT content was obtained in APT-CD-NP4. The loss of the drug can be attributed to the lyophilization. However, there was no change in color or aggregation observed. Dispersions of lyophilized

• SLN formulations in distilled water exhibited a homogeneous white color. The encapsulation efficacy of the SLNs formulations was in the range of 25.33% ± 0.89% to 80.55% ± 0.15%. A higher content of β-CD in the formulation enhanced the encapsulated amount of APT. The hydrophobic structure of β-CD

Polyurethane/silk fibroin-based electrospun membranes for wound healing and skin substitute applications

• Iqra Zainab,
• Zohra Naseem,
• Syeda Rubab Batool,
• Muhammad Waqas,
• Ahsan Nazir and
• Muhammad Anwaar Nazeer

Beilstein J. Nanotechnol. 2025, 16, 591–612, doi:10.3762/bjnano.16.46

• applications without affecting the structure or bioactivity. The effective encapsulation of STZ was confirmed by FTIR, and the nanofibers showed high cytocompatibility in cell viability tests. STZ was released from nanofibers over 6 h, and its antibacterial activity was demonstrated through the formation of a

Synthetic-polymer-assisted antisense oligonucleotide delivery: targeted approaches for precision disease treatment

• Ana Cubillo Alvarez,
• Dylan Maguire and
• Ruairí P. Brannigan

Beilstein J. Nanotechnol. 2025, 16, 435–463, doi:10.3762/bjnano.16.34

• ) modified with 3-mercaptopropyl amidine and 2-thiolaneimine (Figure 4). This design allowed for stable encapsulation of a LNA-modified gapmer structure with a phosphorothioate linkage backbone targeting the MALAT1 gene. The presence of disulfide cross-links in the micelle core was found to enhance particle