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

• blood–brain barrier [8]. Its mean volume of distribution is approximately 70 L. In the range of pH 2–10, APT has very low solubility (0.37 µg/mL) [9]. Because of the low water-solubility, the low permeability, and the rate-limiting step of poor gastrointestinal absorption, APT is categorized as a BCS

• oral relative bioavailability of APT, APT-CD-NP4, and APT-PX-NP8 is related to solubility and permeability of APT. APT-CD-NP4 significantly increased the oral bioavailability of the less soluble APT with low permeability through the large surface at small particle size. Palmelund et al. carried out a

• pharmacokinetic APT analysis on rats and obtained an AUC0–t value of 1198 ± 317 ng·h/mL [23]. The pharmacokinetic data suggest that APT has excellent permeability in the gastrointestinal tract and drug absorption was more rapid when APT was solubilized in polymeric material. APT-CD-NP4 was superior to APT and APT

A formulation containing Cymbopogon flexuosus essential oil: improvement of biochemical parameters and oxidative stress in diabetic rats

• Ailton Santos Sena-Júnior,
• Cleverton Nascimento Santana Andrade,
• Pedro Henrique Macedo Moura,
• Jocsã Hémany Cândido dos Santos,
• Cauãn Torres Trancoso,
• Eloia Emanuelly Dias Silva,
• Deise Maria Rego Rodrigues Silva,
• Ênio Pereira Telles,
• Luiz André Santos Silva,
• Isabella Lima Dantas Teles,
• Sara Fernanda Mota de Almeida,
• Daniel Alves de Souza,
• Jileno Ferreira Santos,
• Felipe José Aidar Martins,
• Ana Mara de Oliveira e Silva,
• Sandra Lauton-Santos,
• Guilherme Rodolfo Souza de Araujo,
• Cristiane Bani Correa,
• Rogéria De Souza Nunes,
• Lysandro Pinto Borges and
• Ana Amélia Moreira Lira

Beilstein J. Nanotechnol. 2025, 16, 617–636, doi:10.3762/bjnano.16.48

• pathological conditions. In addition, cell edema (B) was found, characterized by swelling of the hepatocytes due to excessive accumulation of intracellular fluid. This alteration may be associated with dysfunctions in the permeability of the plasma membrane, leading to an osmotic imbalance, which favors fluid

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

• were used just as they were provided [155]. Because of its excellent barrier qualities and oxygen permeability, PU is commonly utilized in wound dressings [156]. Since PU is soft and hydrophobic, using it as a dressing material on its own would be unsuitable because the dressing might be too soft for

Nanomaterials in targeting amyloid-β oligomers: current advances and future directions for Alzheimer's disease diagnosis and therapy

• Shiwani Randhawa,
• Trilok Chand Saini,
• Manik Bathla,
• Rahul Bhardwaj,
• Rubina Dhiman and
• Amitabha Acharya

Beilstein J. Nanotechnol. 2025, 16, 561–580, doi:10.3762/bjnano.16.44

• NPs led to a higher permeability of RA and CUR across the BBB. This suggests that the antibody plays a crucial role in improving the uptake of NPs by cells and drug delivery to the brain [65]. Additionally, antibody conjugation can help to reduce the immunogenicity of NPs, enhancing their safety and

Graphene oxide–chloroquine conjugate induces DNA damage in A549 lung cancer cells through autophagy modulation

• Braham Dutt Arya,
• Sandeep Mittal,
• Prachi Joshi,
• Alok Kumar Pandey,
• Jaime E. Ramirez-Vick,
• Govind Gupta and
• Surinder P. Singh

Beilstein J. Nanotechnol. 2025, 16, 316–332, doi:10.3762/bjnano.16.24

• permeability to chemotherapeutics, which leads to alterations in the cell cycle, genotoxicity, and autophagy modulation in cancer cells [39][55]. The cell cycle includes a division phase and an interphase which are responsible for the efficient cellular physiology and metabolic pathways. Any impairment in the

Enhancing mechanical properties of chitosan/PVA electrospun nanofibers: a comprehensive review

• Nur Areisman Mohd Salleh,
• Amalina Muhammad Afifi,
• Fathiah Mohamed Zuki and
• Hanna Sofia SalehHudin

Beilstein J. Nanotechnol. 2025, 16, 286–307, doi:10.3762/bjnano.16.22

• -fibrous thin film; hence. it may not suit applications that highly depend on the properties of a nanofibrous structure, such as large surface area-to-volume ratio or high permeability of the material. Similarly, Kang et al. [110] fabricated chitosan-coated PVA nanofibers by coating the heat-treated PVA

Radiosensitizing properties of dual-functionalized carbon nanostructures loaded with temozolomide

• Radmila Milenkovska,
• Nikola Geskovski,
• Dushko Shalabalija,
• Ljubica Mihailova,
• Petre Makreski,
• Dushko Lukarski,
• Igor Stojkovski,
• Maja Simonoska Crcarevska and
• Kristina Mladenovska

Beilstein J. Nanotechnol. 2025, 16, 229–251, doi:10.3762/bjnano.16.18

• for active agent loading and functionalization with (intra)cellular component targeting ligands, and extremely small size for crossing the blood–brain barrier (BBB) and targeted delivery to the brain. The hydrophobic nature of the CNs offers good membrane permeability. Through chemical modifications

• biopharmaceutical properties [43]. In this paper, TMZ was incorporated in the same carriers, this time covalently dual-functionalized with PEG (average Mw 6000 g/mol) and FA, with an overall aim to prolong the TMZ circulation time (through the stealth effect of PEG) and to increase permeability through the BBTB and

• the structure [65]. There is also a great possibility that the changes in size and structure of CNs impact their physicochemical and biopharmaceutical properties (including solubility and permeability) [47]. The changes in the structure of the CNs after exposure to radiation were analyzed using XRPD

A review of metal-organic frameworks and polymers in mixed matrix membranes for CO₂ capture

• Charlotte Skjold Qvist Christensen,
• Nicholas Hansen,
• Mahboubeh Motadayen,
• Nina Lock,
• Martin Lahn Henriksen and
• Jonathan Quinson

Beilstein J. Nanotechnol. 2025, 16, 155–186, doi:10.3762/bjnano.16.14

• , Aarhus University, Aabogade 40, 8200 Aarhus N, Denmark 10.3762/bjnano.16.14 Abstract Polymeric membranes offer an appealing solution for sustainable CO2 capture, with potential for large-scale deployment. However, balancing high permeability and selectivity is an inherent challenge for pristine

• membranes. To address this challenge, the development of mixed matrix membranes (MMMs) is a promising strategy. MMMs are obtained by carefully integrating porous nano-fillers into polymeric matrices, enabling the simultaneous enhancement of selectivity and permeability. In particular, metal-organic

• operation [5]. However, a significant drawback of membrane separation is the inherent trade-off between permeability (pressure-normalized flux) and selectivity (αA/B) for gases A and B, as described by the relationship in Equation 1 [5][12][13][14]. where PA is the steady-state permeability of the more

Nanocarriers and macrophage interaction: from a potential hurdle to an alternative therapeutic strategy

• Naths Grazia Sukubo,
• Paolo Bigini and
• Annalisa Morelli

Beilstein J. Nanotechnol. 2025, 16, 97–118, doi:10.3762/bjnano.16.10

Mechanistic insights into endosomal escape by sodium oleate-modified liposomes

• Ebrahim Sadaqa,
• Satrialdi,
• Fransiska Kurniawan and
• Diky Mudhakir

Beilstein J. Nanotechnol. 2024, 15, 1667–1685, doi:10.3762/bjnano.15.131

• rapid and deep integration reflects its potent ability to disrupt membrane structure, which likely leads to increased permeability. In contrast, AUR’s interaction is more controlled and surface-oriented and significantly influenced by its protonation state at acidic pH. The protonation-dependent

• interact with a lipid bilayer model, providing insights into their potential roles in enhancing membrane permeability. MD simulations offer a detailed examination of these interactions, with Figure 6 highlighting critical aspects such as density distribution and hydrogen bonding over a 200 ns timescale

• and permeability. This observation is consistent with previous studies, such as those by Notman et al., which demonstrated through MD simulations that fatty acids like oleic acid can increase membrane fluidity and permeability in membranes composed of DPPC [22]. In contrast, AUR’s surface-level

Polymer lipid hybrid nanoparticles for phytochemical delivery: challenges, progress, and future prospects

• Iqra Rahat,
• Pooja Yadav,
• Aditi Singhal,
• Mohammad Fareed,
• Jaganathan Raja Purushothaman,
• Mohammed Aslam,
• Raju Balaji,
• Sonali Patil-Shinde and
• Md. Rizwanullah

Beilstein J. Nanotechnol. 2024, 15, 1473–1497, doi:10.3762/bjnano.15.118

• therapeutic effects [30][31]. Poor permeability and penetration are additional obstacles. Phytochemicals may have difficulties crossing biological membranes, such as the intestinal epithelium or the blood–brain barrier, because of their molecular size, polarity, or lipophilicity. Poor permeability limits the

• the excellent proven therapeutic efficacy, the clinical use of CUR is limited because of its complex physicochemical characteristics. CUR belongs to the “Biopharmaceutical Classification System” (BCS) class-IV drugs, representing poor solubility and permeability [79]. CUR shows very poor solubility in

• -inflammatory, antioxidant, anticancer, antimicrobial, hepatoprotective, cardioprotective, and anti-obesity properties [134][135]. UA is categorized as a BCS class-IV compound exhibiting low solubility and low permeability. Further, it shows low GI absorption, low bioavailability, fast metabolism and clearance

Nanotechnological approaches for efficient N2B delivery: from small-molecule drugs to biopharmaceuticals

• Selin Akpinar Adscheid,
• Akif E. Türeli,
• Nazende Günday-Türeli and
• Marc Schneider

Beilstein J. Nanotechnol. 2024, 15, 1400–1414, doi:10.3762/bjnano.15.113

• 9.6 in porcine intestinal mucosa, while the apparent permeability was increased 2.2-fold. These results showed that thiolated cellulose could also be a candidate for enhancing mucoadhesion and permeability, and this polymer could also be studied regarding nasal mucosa permeation in the future [86

• optimized formulations demonstrated long stability and permeability through goat nasal mucosa [106]. Zafar et al. also encapsulated rotigotine in chitosan-coated NLCs. They optimized the chitosan-coated NLCs by design of experiment (DoE) using a three-level Box–Behnken design, and the final formulation

• , and complimentary to, in vivo studies [82]. In the ex vivo permeation studies, the mucoadhesive nanoemulsions demonstrated a 1.40-fold enhancement in permeability through nasal mucosa compared to non-mucoadhesive nanoemulsions [113]. Recently, mucoadhesive nanoemulsions loaded with mefenamic acid and

Interaction of graphene oxide with tannic acid: computational modeling and toxicity mitigation in C. elegans

• Romana Petry,
• James M. de Almeida,
• Francine Côa,
• Felipe Crasto de Lima,
• Diego Stéfani T. Martinez and
• Adalberto Fazzio

Beilstein J. Nanotechnol. 2024, 15, 1297–1311, doi:10.3762/bjnano.15.105

• ingested hazardous substances or materials and plays an important role in protecting other organs. Different studies show an increased intestinal permeability after exposure to GO, enabling the material to reach adjacent organs such as the gonads [14][51][52]. Wu et al. [51] found that prolonged exposure

• that changes in the oxygen content of GO may improve its biocompatibility. They found that GO sheets with reduced oxygen content and relatively more –COOH groups did not presented the common GO toxicity effects to C. elegans, such as increased intestinal permeability, microvilli damage, material

Realizing active targeting in cancer nanomedicine with ultrasmall nanoparticles

• André F. Lima,
• Giselle Z. Justo and
• Alioscka A. Sousa

Beilstein J. Nanotechnol. 2024, 15, 1208–1226, doi:10.3762/bjnano.15.98

• ) designed to transport therapeutic agents with precise delivery to tumor sites. This approach aims to mitigate toxic effects associated with off-target drug delivery and optimize therapeutic efficacy. For decades, the enhanced permeability and retention (EPR) effect has stood as the central mechanism for

Recent updates in applications of nanomedicine for the treatment of hepatic fibrosis

• Damai Ria Setyawati,
• Fransiska Christydira Sekaringtyas,
• Riyona Desvy Pratiwi,
• A’liyatur Rosyidah,
• Rohimmahtunnissa Azhar,
• Nunik Gustini,
• Gita Syahputra,
• Idah Rosidah,
• Etik Mardliyati,
• Tarwadi and
• Sjaikhurrizal El Muttaqien

Beilstein J. Nanotechnol. 2024, 15, 1105–1116, doi:10.3762/bjnano.15.89

• treatment. The enhanced permeability and retention (EPR) effect, first described by Maeda and co-workers in 1986, allows for high accumulation of the drug nanocarriers via the leaky vasculature and the deficient lymphatic system around solid tumors, as illustrated in the right panel of Figure 1 [3][4][5

• permeability are increased because of angiogenesis within the tumor microenvironment [41]. The fenestrae of the liver endothelial cells increase to approximately 400–600 nm, often accompanied with impaired lymphatic drainage, leading to the EPR effect [42]. In contrast, the excessive production of ECM by the

• permeability in primary human HSECs during liver fibrosis and occlusion [66]. The exposure of TiO2 NPs in vitro resulted in the formation of large gaps between the cells without significant effects on cell viability and no significant release of oxidative stress. This strategy may be exploited for co

Entry of nanoparticles into cells and tissues: status and challenges

• Kirsten Sandvig,
• Tore Geir Iversen and
• Tore Skotland

Beilstein J. Nanotechnol. 2024, 15, 1017–1029, doi:10.3762/bjnano.15.83

• permeability to small ions such as K+ and Ca2+. The gradients of these ions across the plasma membrane is large; there is much more K+ and much less Ca2+ in the cytosol than outside the cells. If too much cholesterol is extracted from the plasma membrane, leakage and secondary effects arise. For instance

• tissue from blood? The so-called enhanced permeability and retention (EPR) effect has for many years been stated to be the main mechanism for delivery of NPs from blood into tumors. This effect is explained by the fact that more NPs enter and are retained in tumors due to a leakier endothelial cell layer

• (enhanced permeability) and less drainage by the lymphatic system (enhanced retention) in tumor tissues [75][76]. A couple of years ago, Sindhwani et al. challenged this view and concluded that most NPs enter tumors by an active transport over the endothelial cell layer [77]. Most of the data published to

Electrospun nanofibers: building blocks for the repair of bone tissue

• Tuğrul Mert Serim,
• Gülin Amasya,
• Tuğba Eren-Böncü,
• Ceyda Tuba Şengel-Türk and
• Ayşe Nurten Özdemir

Beilstein J. Nanotechnol. 2024, 15, 941–953, doi:10.3762/bjnano.15.77

• to the healing process through their porous and flexible three-dimensional structure. They can increase the permeability of gases and liquids and reduce infection by bacteria because of their high filtration efficiency. Also, there is the great possibility of adding other functional moieties into the

Electrospun polysuccinimide scaffolds containing different salts as potential wound dressing material

• Veronika Pálos,
• Krisztina S. Nagy,
• Rita Pázmány,
• Krisztina Juriga-Tóth,
• Bálint Budavári,
• Judit Domokos,
• Dóra Szabó,
• Ákos Zsembery and
• Angela Jedlovszky-Hajdu

Beilstein J. Nanotechnol. 2024, 15, 781–796, doi:10.3762/bjnano.15.65

• [29][30][31][32]. Based on the special requirements to fulfill as a wound dressing material, such as biocompatibility, biodegradability, good gas permeability, and water retention capacity, polysuccinimide (PSI) was used for the preparation of electrostatic fibers. Polysuccinimide is a nontoxic [33

Laser synthesis of nanoparticles in organic solvents – products, reactions, and perspectives

• Theo Fromme,
• Sven Reichenberger,
• Katharine M. Tibbetts and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2024, 15, 638–663, doi:10.3762/bjnano.15.54

• porous nanoparticles when the liquid is saturated with hydrogen, depending on the specific metals and their properties (e.g., hydrogen permeability and diffusion coefficient of hydrogen) [91]. To summarize, the generated nanoparticles can be oxidized or reduced depending on process parameters such as

Radiofrequency enhances drug release from responsive nanoflowers for hepatocellular carcinoma therapy

• Yanyan Wen,
• Ningning Song,
• Yueyou Peng,
• Weiwei Wu,
• Qixiong Lin,
• Minjie Cui,
• Rongrong Li,
• Qiufeng Yu,
• Sixue Wu,
• Yongkang Liang,
• Wei Tian and
• Yanfeng Meng

Beilstein J. Nanotechnol. 2024, 15, 569–579, doi:10.3762/bjnano.15.49

• through the enhanced permeability and retention (EPR) effect, thereby extending the drug circulation time and improving its accumulation and effective release within tumors [9][22][23]. The newly developed class of nanoparticles with a structure similar to that of plant flowers is called nanoflowers (NFs

• ]. Radiofrequency-induced hyperthermia has been confirmed to augment the permeability of the plasma membrane, facilitating the entry of drugs into tumor cells to kill them [28][29]. In this study, we present the synthesis of an intelligent TME-responsive nanomaterial, superparamagnetic ferric oxide nanoclusters

• increased the permeability of the cell membrane to improve the antitumor effects of CUR. Conclusion In this study, responsive CUR-Fe@MnO2 NFs were successfully synthesized, and it was demonstrated that RF heating improved antitumor effect of NFs in vitro. The combination of RF heating responsive nanoflowers

On the additive artificial intelligence-based discovery of nanoparticle neurodegenerative disease drug delivery systems

• Shan He,
• Julen Segura Abarrategi,
• Harbil Bediaga,
• Sonia Arrasate and
• Humberto González-Díaz

Beilstein J. Nanotechnol. 2024, 15, 535–555, doi:10.3762/bjnano.15.47

• solubility [90]. Most NDDs of this database are in the PSAdi range of 60–120 Å2. Stephen et al. suggested that CNS drugs should have a PSA value below 90 Å2 for a decent BBB permeability, among other physicochemical characteristics such as number of hydrogen bond donors, molecular size, and shape, with

Cholesterol nanoarchaeosomes for alendronate targeted delivery as an anti-endothelial dysfunction agent

• Horacio Emanuel Jerez,
• Yamila Roxana Simioni,
• Kajal Ghosal,
• Maria Jose Morilla and
• Eder Lilia Romero

Beilstein J. Nanotechnol. 2024, 15, 517–534, doi:10.3762/bjnano.15.46

• stress manifests as changes in vascular tone, increased permeability, thrombotic events, and exposure to circulating leukocyte receptors. Different pharmacological agents can reduce endothelial dysfunction [1], but they have no effect on acute inflammations or edema such as those occurring in sepsis, a

• Biopharmaceutical Classification System, ALN is a class-III molecule (high solubility and low permeability due to a polar hydrophilic nature) [13]. Its use as a vascular anti-inflammatory agent is limited by its low bioavailability, which after oral administration is minimal (about 0.7%) and highly variable [14][15

• variable degrees of increased permeability, offering an anatomic-pathological context that favors extravasation and, therefore, the passive targeting of nanoparticulate material towards cells of the diseased vasculature [20]. Moreover, in recent years, the development of targeted nanomedicines for

Photocatalytic degradation of methylene blue under visible light by cobalt ferrite nanoparticles/graphene quantum dots

• Vo Chau Ngoc Anh,
• Le Thi Thanh Nhi,
• Le Thi Kim Dung,
• Dang Thi Ngoc Hoa,
• Nguyen Truong Son,
• Nguyen Thi Thao Uyen,
• Nguyen Ngoc Uyen Thu,
• Le Van Thanh Son,
• Le Trung Hieu,
• Tran Ngoc Tuyen and
• Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 475–489, doi:10.3762/bjnano.15.43

• temperature. They are much smaller than the bulk value (65.8 emu/g). The decrease in the saturation magnetization of the CF/GQDs is attributed to the presence of the nonmagnetic GQDs. The particles’ high magnetic permeability shows that they could be separated with an external magnetic field. The Mr values of

Fabrication of nanocrystal forms of ᴅ-cycloserine and their application for transdermal and enteric drug delivery systems

• Hsuan-Ang Tsai,
• Tsai-Miao Shih,
• Theodore Tsai,
• Jhe-Wei Hu,
• Yi-An Lai,
• Jui-Fu Hsiao and
• Guochuan Emil Tsai

Beilstein J. Nanotechnol. 2024, 15, 465–474, doi:10.3762/bjnano.15.42

• vascular endothelial cells are at low frequency, and that the trans-endothelial pathways are the dominant mechanisms for nanoparticle extravasation in tumors (also called enhanced permeability and retention (EPR) effect) [37]. Since the skin has a denser structure than that of tumor vessels, we speculated

Nanomedicines against Chagas disease: a critical review

• Maria Jose Morilla,
• Kajal Ghosal and
• Eder Lilia Romero

Beilstein J. Nanotechnol. 2024, 15, 333–349, doi:10.3762/bjnano.15.30

• still required regarding a realistic use of nanomedicines effective against CD. Keywords: benznidazole; liposomes; nanocrystals; nanomedicines; nanoparticles; Trypanosoma cruzi; Introduction Nanomedicines are used to solve the problems posed by poor solubility and/or permeability and high toxicity of

• released BNZ available for absorption [39][40]. Other studies determined the release profile of BNZ in different media [41][42][43][44] and its permeability across Caco-2 cells [43][44]. Between 2012 and 2018 the BERENICE (BEnznidazol and triazol REsearch group for Nanomedicine and Innovation on Chagas

• lipophilicity indicator and the most critical parameter predictor of passive membrane permeability (which for BNZ is 0.9; a clogP value below 1.35 is indicative of low permeability) [29][55]. In contrast, others consider BNZ as a class-IV drug, this is, a poorly soluble and poorly permeable molecule [30] with