Ultrathin water layers on mannosylated gold nanoparticles

• Maiara A. Iriarte Alonso,
• Jorge H. Melillo,
• Silvina Cerveny,
• Yujin Tong and
• Alexander M. Bittner

Beilstein J. Nanotechnol. 2025, 16, 2183–2198, doi:10.3762/bjnano.16.151

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

• , the surfaces were subsequently immersed in 2 mL of APDMES in toluene (1:100 v/v) and heated to 60 °C for 30 min. To avoid the hydrolyzation of APDMES, the procedure was achieved in a glove box. After functionalization, the surfaces were rinsed in toluene and dried in flowing nitrogen. The hydrophobic

• functionalization was performed as reported in [24]. Silicon wafers were washed first in methanol, then in a 1:1 v/v mixture of methanol and chloroform, and finally in chloroform under 5 min sonication at every step. Afterwards, the surfaces were immersed in a 7:2:1 (v/v) mixture of decalin (cis and trans)/toluene

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

• ), quantitative evaluation of the spectra allowed for investigating various confinement effects. Our focus was on understanding how a particular functionalization of the surfaces in combination with 3CP and the solvent influences transport properties, and novel ESR imaging techniques were used to determine

• is that almost any functional group can be attached by the so-called click chemistry or, in this case, thiol-Michael addition [58][59][60][61][62]. The methodology can be used for further functionalization of the aerogel materials [63]. For instance, the addition of perfluorostyrene affords ArFSH

• ), we prepared two new materials, namely, TEMPONHxSIL and TEMPONHyoSIL (Figure 12). Via amide coupling chemistry, in a post-functionalization step, we attached a pentafluorophenol-activated 4-carboxy-2,2,6,6-tetramethylpiperidinyloxyl (R = TEMPO; Figure 12) group. The reaction delivers an ESR-active

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

• process. According to Goel et al., the physical methods primarily rely on magnetic separation, while chemical approaches focus on nanoparticle functionalization to improve their effectiveness in microplastic removal [74]. Accordingly, numerous magnetic nanomaterials have been investigated and modified to

• improve functionalization. To be specific, by modifying the material, Wang et al. generated magnetic biochar, Mg-modified magnetic biochar, and Zn-modified magnetic biochar with PS removal efficiencies ranging from 94.81% to 99.46%. The created materials demonstrated good reusability, maintaining

• strength, and MP size, with sizes below 100 μm normally requiring optimized surface functionalization for effective treatment. The influence of these factors on removal efficiency has also been highlighted in numerous studies, particularly those focusing on the synthesis of magnetic nanomaterials [52][78

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

• reduction in tumor size and prevented recurrence when compared to intraperitoneal injection of taxol and doxorubicin. The in vitro and in vivo findings (see Table 2) confirmed that the nanocapsules isolated the active payload, preventing enzymatic degradation, while functionalization facilitated targeted

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

• key properties of nanoparticles include high surface area, extensive functionalization, high reactivity, and size-dependent characteristics. By leveraging these properties, water treatment methods can be refined at the nanoscale to selectively target pollutants [16][17]. This comprehensive review

• recognized for enhancing efficiency, affordability, effectiveness, and durability. These benefits stem from unique properties such as high specific surface area, increased reactivity, extensive functionalization, and size-dependent behaviour. By leveraging these characteristics, water treatment processes can

• , adaptability for functionalization and superior sorption capacity. Carbon materials with graphene-like structures, made up of sp2-hybridized carbon atoms, have gained considerable interest for their use in water treatment technologies. Their abundance of functional groups, expansive surface area, and inherent

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

• efficiency. Generally, dendrimer growth on CNT surfaces requires pre-functionalization through radiation or chemical oxidation processes involving strong acids and oxidants [31][32][33][34][35]. However, these processes can damage CNTs, thus diminishing their core properties and generating large amounts of

• acidic waste at the same time. Covalent functionalization of dendrimers on CNT surfaces via Diels–Alder reactions transforming sp2 carbon into sp3 carbon is a desirable alternative. This technique has been successfully used to generate various functionalities on CNT surfaces using different organic

• biosynthesis, extraction processes, and organic reactions [43]. In this study, we focus on the pre-functionalization of CNTs via Diels–Alder reaction using DES as the sole catalytic system under sonication energy and subsequent growth of dendrimers. We further evaluate the potential of the CNTs in the removal

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

• IONPs (IONP-3,4-DHBA) as a platform upon which carbodiimide coupling can be used to conjugate clickable small molecules for further functionalization using two common click reactions, namely, the copper-catalyzed azide–alkyne cycloaddition (CuAAC), and the thiol–maleimide Michael addition reactions

• ]. Magnetite (Fe3O4) nanoparticles (NPs), in particular, have been explored for these applications, due to their low toxicity, biocompatibility, and high saturation magnetization [4]. These applications require reliable and controlled surface functionalization to impart desired functionality, such as tissue

• ]. Indeed, the versatility of this coupling reaction has led to numerous reports of its use with IONPs, through surface functionalization with either thiols or maleimides [10][32][33][34][35][36][37][38][39]. The IONP surface can also be capped with disulfide ligands, such as glutathione disulfide (GSSG

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

• better after spin coating than drop casting [110]. A functionalization study on SiC nanocrystals was made. SiC–polyvinyl alcohol (PVA) polymeric nanocomposites were manufactured by adding silicon carbide NPs prepared by PLAL to PVA and thin films of the composites were prepared by spin coating on glass

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

• affinity toward silver nanoparticles via Ag–S bonding, which significantly enhances the SERS signal. Additionally, the carboxylic acid (–COOH) group of 4-MBA readily enables further functionalization with other compounds, making it suitable for biosensing applications. The Raman spectrum of solid 4-MBA

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

• , with diameters ranging from 0.4 to 100 nm and lengths extending from a few micrometers to several centimeters [7]. The functionalization of CNTs is achieved by surface modification through various methods including covalent bonding, adsorption, and detection group attachment [7][8]. Palve et al

• -volume ratio, enhancing sensitivity and functionalization capabilities. Baetsen-Young et al. used dextrin-capped gold nanoparticles (12 nm) with ssDNA to detect the presence of Pseudoperonospora cubensis DNA, where the results show the ability to detect 18 spores/µL crude extractions [11]. However, the

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

• PAN nanofibers, enhancing the hydrophilicity and antibacterial properties of the membrane [20]. Elimelech’s group introduced copper nanoparticles (Cu NPs) onto the surface of thin-film composite (TFC) polyamide RO membranes through a method involving electrostatic functionalization. The functionalized

• evidence of the successful sequential functionalization of the CTA membrane. In addition, at a temperature of 800 °C, both the CTA and PCTA films exhibit a residual mass of 0%, indicating complete decomposition or volatilization, leaving no significant inorganic residues. In contrast, the Ag@PCTA film

• further functionalization (Figure 4c). This PDA layer imparts functional groups, such as catechol and amino groups, which facilitate the subsequent reduction and immobilization of Ag nanoparticles. Upon Ag deposition, the PCTA membrane’s surface exhibits evenly distributed Ag nanoparticles nestled within

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

• significant implications for developing new theories of light–matter interaction and various applications such as surface functionalization, microfabrication, and developing advanced materials with tailored surface properties. Depicts the experimental setup utilized in the fabrication process of laser-induced

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

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

• [158] and surface chemical functionalization [159], which helps to achieve high drug levels at the target site. Several strategies have been developed to obtain nanoscale or micrometric gels instead of macroscopic networks formed by a simple gelation process [20][160][161]. In emulsion polymerization

Electronic and optical properties of chloropicrin adsorbed ZnS nanotubes: first principle analysis

• Prakash Yadav,
• Boddepalli SanthiBhushan and
• Anurag Srivastava

Beilstein J. Nanotechnol. 2025, 16, 1184–1196, doi:10.3762/bjnano.16.87

• , which can be tailored through rational design. By precisely controlling their size, shape, synthesis conditions, and functionalization, nanomaterials can achieve extraordinary magnetic, electrical, optical, mechanical, sensing, anticancer, and photocatalytic properties that significantly differ from

Soft materials nanoarchitectonics: liquid crystals, polymers, gels, biomaterials, and others

• Katsuhiko Ariga

Beilstein J. Nanotechnol. 2025, 16, 1025–1067, doi:10.3762/bjnano.16.77

• materials nanoarchitectonics. Cornez, Azzaroni, and colleagues describe the preparation and functionalization of highly organized layered multilayer structures by layer-by-layer organization of lipid-like surfactants and polyelectrolytes (Figure 15) [276]. In this study, hydrophobic lamellar domains were

• nanoarchitectonics, enabling the versatile design of layered heterosupramolecular assemblies. This enables the sophisticated functionalization of the supramolecular organization of multicompartmental interfacial structures. The fabrication of functional layered structures by means of soft materials

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

• spectra that confirmed the exhaustive functionalization of the calixarene upper rim (Figures S1–S7, Supporting Information File 1). The NOPD 2 contains the same chromophoric motif as our recently reported NOPD [59], differing only by having a C4 alkyl chain instead of a C8. This choice was motivated to

Synchrotron X-ray photoelectron spectroscopy study of sodium adsorption on vertically arranged MoS₂ layers coated with pyrolytic carbon

• Alexander V. Okotrub,
• Anastasiya D. Fedorenko,
• Anna A. Makarova,
• Veronica S. Sulyaeva,
• Yuliya V. Fedoseeva and
• Lyubov G. Bulusheva

Beilstein J. Nanotechnol. 2025, 16, 847–859, doi:10.3762/bjnano.16.64

• graphite lattice (D mode) [40]. The position of the G mode is higher than the position of the G peak at 1582 cm–1 for crystalline graphite and graphene [41], indicating the disorder in the layers and their functionalization. In fact, the intensity ratio of the D to G peaks (ID/IG) of 0.87 is relatively

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

• functionalization of SF facilitate its usage in optics as a biosensor and implantable device [92]. Malinowski et al. showed that conventional transparent films often lack adequate haze, but SF films exhibit ultrahigh optical transparency (>93%) and transmission haze (>65%). In this study, soft lithography was used

• PU degrades in living beings [142]. Several modifications can be made to PU to make it an excellent material for wound healing and skin substitute by blending, surface functionalization, and adding active moieties. PU with hydrophilic groups and long chains forms fewer crystals, making it more

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

• manage NDs such as Alzheimer’s. In this review, we systematically categorize NPs used for the diagnosis and inhibition of AβOs based on their composition and functionalization. This bifurcation allows for a clearer understanding of the diverse mechanisms and applications of NPs in addressing AD. We have

• size, shape, and surface properties, as these factors collectively influence how they interact with amyloidogenic proteins. Smaller NPs can infiltrate and break early-stage oligomers, whereas differences in shape influence binding efficiency and selectivity. Surface functionalization, such as

• , resulting in less stable aggregates. These findings emphasize that nanoparticle size and shape are key factors in controlling amyloid aggregation, providing valuable insights for designing nanoparticle-based therapies for AD [94]. Beyond size and shape, surface functionalization plays a crucial role in

Functionalized gold nanoflowers on carbon screen-printed electrodes: an electrochemical platform for biosensing hemagglutinin protein of influenza A H1N1 virus

• Carlos Enrique Torres-Méndez,
• Sharmilee Nandi,
• Klara Martinovic,
• Patrizia Kühne,
• Yifan Liu,
• Sam Taylor,
• Maria Lysandrou,
• Maria Ines Berrojo Romeyro Mascarenhas,
• Viktoria Langwallner,
• Javier Enrique Sebastián Alonso,
• Ivana Jovanovic,
• Maike Lüftner,
• Georgia-Vasiliki Gkountana,
• David Bern,
• Abdul-Raouf Atif,
• Ehsan Manouchehri Doulabi,
• Gemma Mestres and
• Masood Kamali-Moghaddam

Beilstein J. Nanotechnol. 2025, 16, 540–550, doi:10.3762/bjnano.16.42

• was amplified by functionalization of the gold nanoflowers with 4-aminothiophenol, which resulted in a 100-fold decrease of the charge transfer resistance due to a tunneling effect. Subsequently, monoclonal antibodies against H1 were immobilized on the surface via covalent amide bond formation

• transducer system of our biosensor is based on low-cost carbon screen printed electrodes (CSPEs) modified with functionalized gold nanoflowers (AuNFs). The complex morphology and surface functionalization of the nanoparticles with 4-aminothiophenol (4-ATP) significantly increased the surface area and the

• largest change in the CV was observed after the functionalization of the AuNFs with 4-ATP through stable Au–S bonds. In this case, the peak-to-peak separation for the 4-ATP/AuNFs/CSPE was 0.16 V, showing that the redox reversibility for the [Fe(CN)6]3−/4− pair and the current response of the electrode

Performance optimization of a microwave-coupled plasma-based ultralow-energy ECR ion source for silicon nanostructuring

• Joy Mukherjee,
• Safiul Alam Mollick,
• Tanmoy Basu and
• Tapobrata Som

Beilstein J. Nanotechnol. 2025, 16, 484–494, doi:10.3762/bjnano.16.37

• nanopatterning and nanoscale functionalization have garnered significant interest, owing to their broad applications in DNA origami [10], tuning of wettability [11] and electrical and magnetic anisotropy [12][13], isolated dot formation [1], nanoscale plasmonic arrays [14], and field emission [15]. Thus, ion

Engineered PEG–PCL nanoparticles enable sensitive and selective detection of sodium dodecyl sulfate: a qualitative and quantitative analysis

• Soni Prajapati and
• Ranjana Singh

Beilstein J. Nanotechnol. 2025, 16, 385–396, doi:10.3762/bjnano.16.29

• inherent toxicity, and their post-synthesis functionalization is laborious for selective detection [25][26]. Furthermore, alternatives such as polymer nanoparticles emerged as potential candidates for detecting contaminants such as SDS. Fu et al. developed a method for detecting SDS using polyethyleneimine

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

• . Key strategies for improvement are analyzed, including material modifications through blending and structural modifications like fiber orientation and multilayer constructions, and surface modifications such as coating and functionalization. The review also covers advanced characterization methods to

Preferential enrichment and extraction of laser-synthesized nanoparticles in organic phases

• Theo Fromme,
• Maximilian L. Spiekermann,
• Florian Lehmann,
• Stephan Barcikowski,
• Thomas Seidensticker and
• Sven Reichenberger

Beilstein J. Nanotechnol. 2025, 16, 254–263, doi:10.3762/bjnano.16.20

• ) functionalization of the nanoparticles have been observed, which ultimately should affect their lipophilicity and, hence, colloidal stability in apolar or polar solvents. Two-phase liquid systems and the possibility to transfer the surfactant-free nanoparticles from one liquid phase into another remain practically

• potential values close to 0 V are used during ablation in such TMS systems. Conclusion While the research activities on LAL in solvents have highlighted the importance and role of chemical reactions on particle size and chemical functionalization (e.g., carbon shell) of the gained colloids, the influence of