Upcycling agroindustrial waste into graphene oxide supports for gold nanoparticles: toward sustainable nanomaterials

• Juan Marcos Castro-Tapia,
• Selene Acosta,
• Hiram Joazet Ojeda-Galván,
• Elsie Evelyn Araujo-Palomo,
• Edgar Giovanni Villabona-Leal and
• Mildred Quintana

Beilstein J. Nanotechnol. 2026, 17, 489–504, doi:10.3762/bjnano.17.32

• UV–vis, ATR-FTIR, XPS, XRD, and Raman measurements, complemented by TGA and TEM to assess optical properties, surface chemistry, and structural and morphological features. Additionally, gold nanoparticles (AuNPs) were photochemically deposited onto Agro-GO to evaluate its potential for nanotechnology

• as substrates for AuNP photodeposition to evaluate how their surface chemistry governs nanoparticle nucleation and dispersion. Agro-GO@AuNPs composites demonstrate a green, circular-economy approach with promising potential for applications in sensing, diagnostics, energy storage, and separation

• hydroxy-rich surface chemistry and high defect density. Notably, a band near 2300 cm−1 appears in rGO and the Agro-GO samples, which can be attributed to nitrogen-containing groups such as N=C=O or C≡N, in agreement with the nitrogen detected by XPS [51]. Figure 6 shows TEM images of GO, rGO, and Agro-GO

Beam shaping techniques for pulsed laser ablation in liquids: Unlocking tunable control of nanoparticle synthesis in liquids

• Sergio Molina-Prados,
• Nadezhda M. Bulgakova,
• Alexander V. Bulgakov,
• Jesus Lancis,
• Gladys Mínguez Vega and
• Carlos Doñate-Buendia

Beilstein J. Nanotechnol. 2026, 17, 309–342, doi:10.3762/bjnano.17.22

• gas aggregation are highly scalable and productive, though they typically require high temperatures or vacuum systems and may offer limited control over surface chemistry. Compared with these approaches, PLAL provides high-purity colloids with reduced impurities and byproducts, even allowing for

Advancing nanolithography: a comprehensive review of materials for local anodic oxidation with AFM

• Matteo Lorenzoni

Beilstein J. Nanotechnol. 2026, 17, 275–291, doi:10.3762/bjnano.17.19

• the meniscus and broadens oxide lines. Conversely, lower humidity reduces meniscus volume and enables narrower, better-defined features. Although RH of 35–55% is widely used for Si and other common substrates, the optimal range can shift depending on the substrate surface chemistry, hydrophilicity

Gold nanoparticle-decorated reduced graphene oxide as a highly effective catalyst for the selective α,β-dehydrogenation of N-alkyl-4-piperidones

• Brenda Flore Kenyim,
• Mihir Tzalis,
• Marilyn Kaul,
• Robert Oestreich,
• Aysenur Limon,
• Chancellin Pecheu Nkepdep and
• Christoph Janiak

Beilstein J. Nanotechnol. 2026, 17, 218–238, doi:10.3762/bjnano.17.15

• environments, their tunable surface area and surface chemistry, and electrical conductivity [18][19]. To deposit metal NPs onto a carbon support, procedures such as adsorption or reduction–deposition (RD), co-precipitation, impregnation, and deposition precipitation (DP) are commonly employed [6][19]. Carbon

• reactant over time. However, AC was slightly less effective than rGO as a support because it required a longer reaction time to reach full conversion (8 h vs 7 or 6 h). This difference may be due to the surface chemistry and the predominantly microporous structure of activated carbon, which impedes

Time of flight secondary ion mass spectrometry imaging of contaminant species in chemical vapour deposited graphene on copper

• Barry Brennan,
• Vlad-Petru Veigang-Radulescu,
• Philipp Braeuninger-Weimer,
• Stephan Hofmann and
• Andrew J. Pollard

Beilstein J. Nanotechnol. 2026, 17, 200–213, doi:10.3762/bjnano.17.13

• significantly present, a white signal is observed. Images from various locations on the samples were acquired to confirm the nature of the graphene coverage and variations in surface chemistry observed, with representative images shown in the figures. Measurements were acquired from samples that had been

• − signal (red) in certain regions have a variation in the surface chemistry not necessarily related to graphene. Interestingly, there is a C2− signal observed relatively uniformly across the surface of the EP sample in Figure 1c, despite the low nucleation density of graphene on this surface. This is

• × 500 µm) from the BO sample showing (a) Cn− species related to graphene, (b) sulphur-containing species, (c) phosphorous-containing species and (d) nitrogen-containing species, indicating the significant variation in surface chemistry. XPS spectra from the Ar annealed, and back side oxidation + Ar

Safe and sustainable by design with ML/AI: A transformative approach to advancing nanotechnology

• Georgia Melagraki

Beilstein J. Nanotechnol. 2026, 17, 176–185, doi:10.3762/bjnano.17.11

• and sustainability considerations into nanomaterial development. Need for harmonized testing protocols Establishing standardized and reproducible methodologies for characterizing nanomaterial properties – such as size distribution, surface chemistry, and toxicity profiles – is essential. A unified

• information. QSAR models, for instance, rely on known correlations between specific nanomaterial properties – such as size, shape, and surface chemistry – and various toxicity endpoints. By identifying hazardous materials well before synthesis, QSAR-based screening saves resources, decreases late-stage

Functional surface engineering for cultural heritage protection: the role of superhydrophobic and superoleophobic coatings – a comprehensive review

• Giuseppe Cesare Lama,
• Marino Lavorgna,
• Letizia Verdolotti,
• Federica Recupido,
• Giovanna Giuliana Buonocore and
• Bharat Bhushan

Beilstein J. Nanotechnol. 2026, 17, 63–96, doi:10.3762/bjnano.17.6

• and buildings, as well as marble statues both in outdoor and indoor environments). Many approaches are used to solve several issues arising from their intrinsic properties such as porosity, which may cause fungal or bacterial fouling [58], and surface chemistry and the affinity to water and humidity

Internal 3D temperature mapping in biological systems using ratiometric light-sheet imaging and lipid-coated upconversion nanothermometers

• Dannareli Barron-Ortiz,
• Enric Pérez-Parets,
• Rubén D. Cadena-Nava,
• Emilio J. Gualda,
• Jacob Licea-Rodríguez,
• Juan Hernández-Cordero,
• Pablo Loza-Álvarez and
• Israel Rocha-Mendoza

Beilstein J. Nanotechnol. 2025, 16, 2306–2316, doi:10.3762/bjnano.16.159

• and particle retention [57]. Figure 5b–d shows the fluorescence emission throughout the intestinal structure post-ingestion, indicating UCNP accumulation within the lumen. This localization is strongly influenced by surface chemistry. The anionic character of our DOPS-rich lipid coating likely leads

• to the luminal environment rather than intracellular regions, indicating that surface chemistry governs not only nanoparticle uptake but also the spatial interpretation of the thermal maps. This distinction is crucial, as it means our thermal maps report on the temperature within the digestive tract

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

• nanoparticle systems, one functionalized with an oligo(ethylene glycol) ligand, and one functionalized with a mixture of the same with a dimannoside ligand. The dimannoside ligand was chosen to mimic the surface chemistry of viral spike proteins. We characterized the particles by electron microscopy, dynamic

Rapid synthesis of highly monodisperse AgSbS₂ nanocrystals: unveiling multifaceted activities in cancer therapy, antibacterial strategies, and antioxidant defense

• Funda Ulusu,
• Adem Sarilmaz,
• Yakup Ulusu,
• Faruk Ozel and
• Mahmut Kus

Beilstein J. Nanotechnol. 2025, 16, 2105–2115, doi:10.3762/bjnano.16.145

• ratio and enhanced surface reactivity [30]. These features, combined with the tunable surface chemistry of nanoparticles, allow for efficient interactions with free radicals and facilitate electron transfer reactions, resulting in robust antioxidant activity [49]. This activity involves scavenging free

• scavenging data, the FRAP outcome supports a dual-mechanism antioxidant model (both radical quenching and electron transfer). This suggests that the surface chemistry of AgSbS2 NCs effectively mediates both redox and radical-based pathways, making them promising candidates for applications requiring moderate

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

• nanotubes, and carbon dots, have attracted considerable interest as nanocarriers for drug delivery due to their unique physicochemical properties. Their high surface area, biocompatibility, and modifiable surface chemistry make them highly attractive for a range of biomedical applications. However, concerns

• affairs. Achieving these key milestones is critical to developing a safe and effective drug delivery system that can improve the treatment of cancer. The process begins with the synthesis of CNMs tailored to specific size and surface chemistry requirements, using methods such as chemical vapour deposition

• safety. Insights from these studies guide further optimisation of the delivery system, which may involve adjusting particle size, surface chemistry, or drug-loading strategies. Once optimised and evaluated, the system enters regulatory review, requiring preclinical safety and efficacy data to meet

Molecular and mechanical insights into gecko seta adhesion: multiscale simulations combining molecular dynamics and the finite element method

• Yash Jain,
• Saeed Norouzi,
• Tobias Materzok,
• Stanislav N. Gorb and
• Florian Müller-Plathe

Beilstein J. Nanotechnol. 2025, 16, 2055–2076, doi:10.3762/bjnano.16.141

• microscopy (AFM) experiments. Our investigation into how gecko keratin interacts with hydrophilic and hydrophobic substrates [12] supported the importance of the water-mediating effect [10] and elucidated mechanistic differences depending on surface chemistry. A particle-based mesoscale model of a single

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

• photoexcited holes migrate to NiO and are trapped, facilitating water oxidation via an intermediate NiOOH species (Figure 10b). APXPS thereby provides mechanistic insight into photoinduced surface chemistry, enabling rational catalyst design. Similar approaches can be extended to CO2 reduction, pollutant

• surface chemistry have come from ex situ or in vacuo XPS, often complemented by other surface characterization tools, used to characterize the resulting film [49][50][51], as well as to investigate chemical mechanisms cycle-to-cycle [51][52]; the latter procedure is often termed in situ XPS. However, such

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

• , and advanced membrane materials, exhibit unique properties such as high surface area, enhanced reactivity, and tunable surface chemistry, which offer promising avenues for the selective and efficient removal of MPs from water. This paper also explores the mechanism, performance and limitations of

• thermal, acidic, and saline conditions. Its self-adhesive nature, biocompatibility, and durability make it a promising preventive strategy at the source. Similarly, nanocellulose, derived from renewable biomass, exhibits a high surface area and tunable surface chemistry, making it effective for adsorbing

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

• . Nanomaterials have gained popularity in medicine because they can be altered according to the need [1]. Researchers can tailor the shape, surface chemistry, and other specific properties of materials to deliver desirable traits. In particular, some nanoparticles can be used to deliver drugs to a tumor, reducing

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

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

• ]. Dendrimers, with their hyperbranched structures, can be precisely controlled for size, shape, and surface chemistry, allowing for highly targeted delivery of anti-biofilms drugs or nucleic acids [81][82]. Polymeric NPs offer several advantages, including biodegradability, biocompatibility, and stability

Enhancing the photoelectrochemical performance of BiOI-derived BiVO₄ films by controlled-intensity current electrodeposition

• Huu Phuc Dang,
• Khanh Quang Nguyen,
• Nguyen Thi Mai Tho and
• Tran Le

Beilstein J. Nanotechnol. 2025, 16, 1289–1301, doi:10.3762/bjnano.16.94

• . Larger grains typically result in fewer grain boundaries, reducing phonon scattering and enhancing vibrational coherence. Raman spectra also provide insights into the influence of fabrication conditions on surface chemistry. The relative intensities of the peaks suggest that higher deposition currents

Characterization of ion track-etched conical nanopores in thermal and PECVD SiO₂ using small angle X-ray scattering

• Shankar Dutt,
• Rudradeep Chakraborty,
• Christian Notthoff,
• Pablo Mota-Santiago,
• Christina Trautmann and
• Patrick Kluth

Beilstein J. Nanotechnol. 2025, 16, 899–909, doi:10.3762/bjnano.16.68

• dioxide [29][40][30]. Amorphous silicon dioxide (SiO2) has excellent chemical stability, well-understood surface chemistry, and compatibility with semiconductor processing, opening up new applications for track-etched nanopores in this material [30]. In this study, we report the characterization of track

Insights into the electronic and atomic structures of cerium oxide-based ultrathin films and nanostructures using high-brilliance light sources

• Paola Luches and
• Federico Boscherini

Beilstein J. Nanotechnol. 2025, 16, 860–871, doi:10.3762/bjnano.16.65

• under UHV conditions. Such instruments, installed at synchrotron radiation facilities and applied to ceria-based model systems have given an important contribution to understanding the surface chemistry of specific reactions. Coexisting Pt and ceria nanoparticles supported on TiO2(110) were found to

Colloidal few layered graphene–tannic acid preserves the biocompatibility of periodontal ligament cells

• Teissir Ben Ammar,
• Naji Kharouf,
• Dominique Vautier,
• Housseinou Ba,
• Nivedita Sudheer,
• Philippe Lavalle and
• Vincent Ball

Beilstein J. Nanotechnol. 2025, 16, 664–677, doi:10.3762/bjnano.16.51

• . The cellular response on different graphene surfaces was previously studied, and it was demonstrated that substrate characteristics such as surface roughness, surface chemistry, and electronic properties can influence cell response [38]. The implications of these results are particularly significant

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

• nm AuNPs either accelerated fibril formation or had little impact on peptide aggregation [96]. In conclusion, these studies underscore the critical role of nanoparticle size, shape, and surface chemistry in modulating amyloid aggregation and inhibition. Smaller nanoparticles, particularly those

Impact of adsorbate–substrate interaction on nanostructured thin films growth during low-pressure condensation

• Alina V. Dvornichenko,
• Vasyl O. Kharchenko and
• Dmitrii O. Kharchenko

Beilstein J. Nanotechnol. 2025, 16, 473–483, doi:10.3762/bjnano.16.36

• , crystallinity, and surface chemistry of the films is crucial for optimizing performance in these applications. In adsorption–desorption processes, where materials are deposited from the gas phase, experimental techniques enable the study the formation of clusters or islands of adsorbed molecules/atoms, which

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

• larger estimate than the dry measurements obtained from TEM and SEM [32]. X-ray photoelectron spectroscopy, also known as electron spectroscopy for chemical analysis (ESCA), was used to analyze the surface chemistry of the PEG–PCL NPs. XPS is a powerful surface-sensitive technique that provides detailed

Emerging strategies in the sustainable removal of antibiotics using semiconductor-based photocatalysts

• Yunus Ahmed,
• Keya Rani Dutta,
• Parul Akhtar,
• Md. Arif Hossen,
• Md. Jahangir Alam,
• Obaid A. Alharbi,
• Hamad AlMohamadi and
• Abdul Wahab Mohammad

Beilstein J. Nanotechnol. 2025, 16, 264–285, doi:10.3762/bjnano.16.21

• sites, slow kinetics of surface reactions, and the reduced mobility of charges, resulting in electron delocalization [99][100]. The molecular rearrangement of g-C3N4 has been the subject of recent research because of its potential to alter the surface chemistry and textural structure [101]. This