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

• of dimannoside and PEGylated ligands. The PEG AuNPs were functionalized only with the PEGylated component; they can be seen as a precursor, and we used them as negative controls. Particle size and shape Particle size and stability in an aqueous solution were characterized by DLS and ZP measurements

The cement of the tube-dwelling polychaete Sabellaria alveolata: a complex composite adhesive material

• Emilie Duthoo,
• Aurélie Lambert,
• Pierre Becker,
• Carla Pugliese,
• Jean-Marc Baele,
• Arnaud Delfairière,
• Matthew J. Harrington and
• Patrick Flammang

Beilstein J. Nanotechnol. 2025, 16, 1998–2014, doi:10.3762/bjnano.16.138

• samples were then dehydrated in a series of ethanol baths of increasing strength (25%, 50%, 70%, 90%, and 100%) and embedded in Spurr resin. Semi-thin sections of 1 µm thickness were cut using a Reichert Om U2 ultramicrotome. They were then stained with a 1:1 mixture of 1% aqueous solution of methylene

• blue in 1% sodium tetraborate and 1% aqueous solution of azur II. Ultrathin sections, 70 nm thick, were then obtained using a Leica Ultracut UCT ultramicrotome fitted with a diamond knife. These sections were contrasted with uranyl acetate and lead citrate and observed using a Zeiss LEO 906E

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

• nanosheets of elliptical shape as a result of fs laser ablation of a MoS2 target in FeCl3 solution. Despite the ablation in an aqueous solution, nanosheets preserved the MoS2 composition. Electron diffraction results reported in the cited work revealed the formation of an FeS2 phase, suggesting that Fe ions

Electrical, photocatalytic, and sensory properties of graphene oxide and polyimide implanted with low- and medium-energy silver ions

• Josef Novák,
• Eva Štěpanovská,
• Petr Malinský,
• Vlastimil Mazánek,
• Jan Luxa,
• Ulrich Kentsch and
• Zdeněk Sofer

Beilstein J. Nanotechnol. 2025, 16, 1794–1811, doi:10.3762/bjnano.16.123

• degradation of the industrial dye rhodamine B in aqueous solution [33]. Results of photocatalytic testing of GO show different efficiencies depending on the energy and fluence of silver ions as you can see on the Figure 11. Unmodified GO exhibits a lower rate constant for the decomposition of rhodamine B than

• measurements. The acquired AFM data were processed using NanoScope Analysis software. The photocatalytic properties were evaluated by rhodamine B degradation under UV light within a dark chamber. In this setup, the prepared samples were submerged in a rhodamine B aqueous solution at a concentration of 5 mg·L−1

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

• 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

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

• desalination experiments. The feed comprising a 1.5 g·L−1 NaCl aqueous solution was set with a test pressure of 6 MPa and a temperature of 25 ± 0.5 °C. Prior to commencing the test, the membrane was compacted. During the experimentation, it was imperative to record both the volume of permeate and the

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

• physical properties [136]. They can be formed by preparing an aqueous solution of keratin at concentrations of 8 or 20%, for example [137]. With the "disulfide shuffling" method, phosphate-buffered saline (PBS) is used to dissolve 15% lyophilized keratin and 1.5% cysteine. This solution requires vigorous

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

• = AlCl, Fe, Co, Zn) and Pt complex octaethylporphyrin (PtOEP) by nanosecond laser fragmentation of the corresponding microcrystalline powders in an aqueous solution of the amphiphilic polymer Pluronic® F-127. All nanoparticles dispersed stably in phosphate-buffered saline and cell culture media without

• in solution. Similar results were obtained for other MPcs and PtOEP prepared in 0.1 wt % F-127 aqueous solution (Figure S1, Supporting Information File 1). The absorption spectra of the nanoparticle colloids are shown in Figure 3, and some characteristics of the colloids are summarized in Table 1

• MPcs and PtOEP with high efficiency. The role of F-127 in the formation of small nanoparticles having high dispersion stability is schematically illustrated in Figure 6. The cellular phototoxicity of the AlClPc, ZnPc, and PtOEP nanoparticles prepared in 0.1 wt % F-127 aqueous solution was examined by

Single-layer graphene oxide film grown on α-Al₂O₃(0001) for use as an adsorbent

• Shiro Entani,
• Mitsunori Honda,
• Masaru Takizawa and
• Makoto Kohda

Beilstein J. Nanotechnol. 2025, 16, 1082–1087, doi:10.3762/bjnano.16.79

• groups. It is also estimated that the weight adsorption capacity of SLGO in the 1.0 mol/L-Cs aqueous solution is as much as approximately 70 wt %. It has been demonstrated that GO has great potential to be a promising adsorbent for Cs in aqueous solutions. Keywords: cesium adsorption; chemical vapor

• therefore be surmised that the ability of SLGO for the Cs adsorption is significantly decreased in strong acid aqueous solutions due to the suppression of hydrogen dissociation from oxygen functional groups in SLGO. It is claimed that the pH value of the aqueous solution should be maintained at neutrality

• groups. It was also indicated that SLGO shows the high Cs adsorption capacity of 650–850 mg·g−1 in the 1.0 mol/L-Cs aqueous solution. SLGO adsorbs Cs via hydrogen exchange, resulting in an accelerated adsorption rate and a higher weight adsorption capacity compared to existing adsorbents, including

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

• , and the solvent was evaporated under reduced pressure at 35 °C. The resulting film was rehydrated with an aqueous solution of 1 (50 μM) by stirring overnight at room temperature. The final solution was left to equilibrate and filtered. Encapsulation efficiency (EE %) was calculated using the formula

Synthesis of biowaste-derived carbon-dot-mediated silver nanoparticles and the evaluation of electrochemical properties for supercapacitor electrodes

• Navya Kumari Tenkayala,
• Chandan Kumar Maity,
• Md Moniruzzaman and
• Subramani Devaraju

Beilstein J. Nanotechnol. 2025, 16, 933–943, doi:10.3762/bjnano.16.71

• was visualized in the UV–visible absorption spectrum of the PG-CDs, which is represented in Figure 1a. This peak might be accredited to the π–π* transition of conjugated (Csp²=Csp²) aromatic domain of the PG-CDs [24]. Under the ultraviolet illuminator (365 nm), the brownish/red aqueous solution of the

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

• an aqueous solution of iron chloride (30 wt %) for 2 h to dissolve the copper foil. The remaining free PyC film was washed twice in dilute HCl (10 wt %) and then in deionized water until neutral pH was reached. The floating PyC film was trapped either on bare or MoS2-covered SiO2/Si substrates and

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

• urea, enzyme, and borax/HCl buffer treatments to effectively remove sericin. After removing the sticky protein, the fibroin fibers are dissolved in an aqueous solution, usually with lithium bromide and similar solvents. Once dissolved, the solution undergoes dialysis to remove any impurities. Finally

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

• in a 1.5 mL Eppendorf vial by adding 100 μL of 38 μg/mL mABs solution in PBS, 100 μL of 10 mM EDC aqueous solution, and 100 μL of 10 mM NHS aqueous solution. The pH of the mixture was 6.5 as determined by litmus paper. Then, 10 μL of the mixture was added on top of the 4-ATP/AuNFs/CSPE as working

Effect of additives on the synthesis efficiency of nanoparticles by laser-induced reduction

• Rikuto Kuroda,
• Takahiro Nakamura,
• Hideki Ina and
• Shuhei Shibata

Beilstein J. Nanotechnol. 2025, 16, 464–472, doi:10.3762/bjnano.16.35

• solution and compared the results with the aim of improving the synthesis efficiency of nanoparticle by LRL. The UV–visible absorption spectrum of the aqueous solution of gold chloride was measured every 5 s during laser irradiation to evaluate the progress of the reaction. Figure 1 shows the results of

• 5.0 × 10−3 and 1.0 × 10−2 mol/dm3 was too high to properly measure the absorption spectrum, all solutions were diluted with pure water to a concentration of 5.0 × 10−4 mol/dm3 before measurements. The absorption spectrum of the aqueous solution with a concentration of 5.0 × 10−3 mol/dm3 (10 times

Quantification of lead through rod-shaped silver-doped zinc oxide nanoparticles using an electrochemical approach

• Ravinder Lamba,
• Gaurav Bhanjana,
• Neeraj Dilbaghi,
• Vivek Gupta and
• Sandeep Kumar

Beilstein J. Nanotechnol. 2025, 16, 422–434, doi:10.3762/bjnano.16.33

• consistent performance throughout time, which is critical for obtaining accurate and repeatable electrochemical results. The lead chemical sensor was fabricated by utilizing the Ag–ZnO nanorods, which functioned as efficient electron mediators. An aqueous solution which includes freshly produced Ag–ZnO

• -Aldrich and used as such without any additional purification steps. Firstly, a 2 mL aqueous solution of silver nitrate (AgNO3) (0.1 M) and a 100 mL aqueous solution of zinc nitrate hexahydrate (Zn (NO3)2·6H2O) (0.1 M) were simultaneously prepared. After that, the silver nitrate solution was mixed with the

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

• , selective, and cost-effective sensor for SDS detection in an aqueous solution. The advent of nanotechnology increased their demand for developing colorimetric sensors to detect chemical compounds, toxicants, nutrients, and biomolecules. The nanotechnology field consists of synthesis, characterization, 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

• ) nanosheets was mixed with 15 mL of an aqueous solution of Chl diphosphate (250 μg/mL) under continuous stirring at room temperature in the dark for 24 h. The final GO–Chl nanoconjugate was collected by centrifugation at 9500 rpm for 15 min followed by freeze-drying. The supernatant was separated for

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

Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol

• Akash Kumar,
• Ridhima Chadha,
• Abhishek Das,
• Nandita Maiti and
• Rayavarapu Raja Gopal

Beilstein J. Nanotechnol. 2024, 15, 1576–1592, doi:10.3762/bjnano.15.124

• Raman spectra of ʟ-carnosine-capped silver nanoparticles, as well as ʟ-carnosine, as solid and in aqueous solution, were recorded at RT using an excitation source of 532 nm. The light source was a diode-pumped solid-state Nd3+:YAG laser (Cobolt Samba 0532-01-0500-500, Cobolt AB, Sweden). For solid ʟ

• -carnosine and ʟ-car-AgNPs and 100 s for ʟ-carnosine in aqueous solution. DFT calculations Theoretical insights into the FTIR and Raman measurements were obtained through molecular structure optimization of ʟ-carnosine, its anionic form, and probable ʟ-carnosine–(Ag)4 complexes. The structure optimization

• frequencies of ʟ-carnosine, its anion, and the probable Ag4 complexes were computed at the optimized geometries. Subsequently, the theoretical vibrational spectra were compared with the experimental Raman spectra of ʟ-carnosine in various forms, namely, in the solid state, in aqueous solution, in alkaline

Green synthesis of silver nanoparticles derived from algae and their larvicidal properties to control Aedes aegypti

• Matheus Alves Siqueira de Assunção,
• Douglas Dourado,
• Daiane Rodrigues dos Santos,
• Gabriel Bezerra Faierstein,
• Mara Elga Medeiros Braga,
• Severino Alves Junior,
• Rosângela Maria Rodrigues Barbosa,
• Herminio José Cipriano de Sousa and
• Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 1566–1575, doi:10.3762/bjnano.15.123

• /100 mL of purified water) by heating the mixture for 5 min and decanting for 1 h. After this process, the mixture was filtered and stored for 5 days at 15 °C. Finally, the filtered solution was treated with an aqueous solution of AgNO3 (1 mM) and incubated at room temperature. The chemical compounds

• ) under boiling for 5 min. The filtrate was treated with aqueous AgNO3 solution (1 mM; the ratio of aqueous solution to AgNO3 solution was not mentioned) and incubated at room temperature. Finally, a yellowish-brown solution was observed, indicating the formation of AgNPs. Chemical analysis of the AgNPs

A biomimetic approach towards a universal slippery liquid infused surface coating

• Ryan A. Faase,
• Madeleine H. Hummel,
• AnneMarie V. Hasbrook,
• Andrew P. Carpenter and
• Joe E. Baio

Beilstein J. Nanotechnol. 2024, 15, 1376–1389, doi:10.3762/bjnano.15.111

• at a pH of 8.5. PDA-coated samples were rinsed with DI and then introduced to a 10 mM aqueous solution of 1H,1H,2H,2H-perfluorodecanethiol (FDT) (Sigma-Aldrich, St. Louis, MO) and triethylamine [19]. Following FDT functionalization, the samples were thoroughly rinsed and sonicated in DI water and

Green synthesis of carbon dot structures from Rheum Ribes and Schottky diode fabrication

• Muhammed Taha Durmus and
• Ebru Bozkurt

Beilstein J. Nanotechnol. 2024, 15, 1369–1375, doi:10.3762/bjnano.15.110

• electron microscopy (SEM), I–V/C–V measurements, UV–vis spectroscopy, and steady-state fluorescence spectroscopy, respectively. CDs synthesis 2.5 g of the powdered Rheum ribes plant was placed in an autoclave bottle, and 50 mL of pure water was added to the bottle. This aqueous solution was placed in an

Nanoarchitectonics with cetrimonium bromide on metal nanoparticles for linker-free detection of toxic metal ions and catalytic degradation of 4-nitrophenol

• Akash Kumar and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 1312–1332, doi:10.3762/bjnano.15.106

Mn-doped ZnO nanopowders prepared by sol–gel and microwave-assisted sol–gel methods and their photocatalytic properties

• Cristina Maria Vlăduț,
• Crina Anastasescu,
• Silviu Preda,
• Oana Catalina Mocioiu,
• Simona Petrescu,
• Jeanina Pandele-Cusu,
• Dana Culita,
• Veronica Bratan,
• Ioan Balint and
• Maria Zaharescu

Beilstein J. Nanotechnol. 2024, 15, 1283–1296, doi:10.3762/bjnano.15.104

• signal of the SG sample (assigned to surface oxygen vacancies and defects) and can be further analyzed taking into account the photocatalytic test results. Photocatalytic activity Oxidative photodegradation of oxalic acid in aqueous solution (Figure 13) was used to compare the catalytic activity of the

• recorded with an Analytik Jena Specord 200 Plus spectrophotometer. Photocatalytic tests were performed in a photoreactor provided with a quartz window and thermostated at 180 °C by a chiller. A quantity of 0.025 g catalyst was suspended by sonication in 120 mL aqueous solution containing 0.1 g oxalic acid