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

• adsorbed salts and proteins, and the temperature. Experimental Materials Acetone (99.5%), 3-(ethoxydimethylsilyl)propylamine (APDMES, 97%), and anhydrous solutions of toluene, chloroform, octadecyltrichlorosilane (OTS), and decalin (cis and trans) were purchased from Sigma Aldrich (Germany). 2-Propanol

• adsorbed on silicon wafers, which we functionalized with APDMES or with OTS (Supporting Information File 1, Figure S1), referred to as “hydrophilic” or “hydrophobic”, respectively. The silicon wafers were initially chemically cleaned by successive serial sonication steps of 5 min each using acetone, 2

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

• (p.a.). With vigorous stirring, a solution of 1.0 mL NH3 (55.6 mmol H2O, 4 equiv) in 1.5 mL methanol (p.a.) is quickly added and stirred for 1 min. As soon as the gel is completely formed, it is left to age at room temperature. After ageing, the gel is layered with acetone (p.a.), and the acetone is

• then the solvent is statically exchanged with acetone. An aerogel monolith is obtained with a size corresponding to the volume of reagents used. The material can be dried supercritically in CO2 for obtaining an aerogel. 29Si NMR (79.5 MHz, spin echo [d1 = 350s], 10 kHz) δ −58.4 (T1), −68.3 (T2), −80.0

• infiltrated. After 2 d, the supernatant solution is removed and replaced several times with acetone and dried in supercritical CO2. AlaNH10SIL: The synthesis was performed analogous to SerNH10SIL. 3,5-Bis(triisopropoxysilyl)aniline: The sol–gel precursor was prepared and characterized as described in

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

• acetone. However, in water, spherical NPs were initially formed and further transformed into nanoflakes and nanosheets which were composed of Bi subcarbonates (BiO)2CO3 and (BiO)4CO3(OH)2. Furthermore, a rapid change from water to acetone prevented the formation of nanoflakes, while the addition of even 1

• % of water to acetone resulted in the formation of nonspherical nanostructures. If stabilizers are added to tune the NP shape, the observed transformations are usually related to the later stages when the NPs, being usually spherical upon release from the cavitation bubble, are transferred into a

• in acetone–water solution to induce further re-shaping into cubic nanostructures (Figure 7b–d). The formation of the nanocubes occurred upon ageing of the colloid during several days, and the authors emphasize the importance of the laser fragmentation step in this process. If the laser fluence is too

Mechanical property measurements enabled by short-term Fourier-transform of atomic force microscopy thermal deflection analysis

• Thomas Mathias,
• Roland Bennewitz and
• Philip Egberts

Beilstein J. Nanotechnol. 2025, 16, 1952–1962, doi:10.3762/bjnano.16.136

• mechanical properties of these samples are provided in Table 1. Silicon wafers were ultrasonicated in acetone and ethanol for 10 min each. HOPG samples were cleaved using the Scotch tape method within 30 min of beginning an experiment. Finally, the PEO and PDMS samples were not surface-treated following

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

• synthesized using arc discharge [53]. The purity of MWCNT regarding nanoparticles is ≈80% with average diameters of 10.4 nm (average length of 2.3 mm). The LCC@CNT filling ratio is ≈80% [53]. The samples were dispersed in acetone and sonicated for 2 h and then drop casted onto a Si wafer of ≈1 cm2 area. Raman

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

• and drug carriers, and methanol, ethanol, and acetone as solvents. Both nanoparticle systems exhibited high biocompatibility and low cytotoxicity to normal cells. Additionally, the results demonstrated the technology had a tumor inhibition greater than 70% in mice with a synergistic antitumor effect

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

• serrulatus venom delivery In a manner similar to [14], PLA NPs) were prepared by nanoprecipitation, up to a 30:70 (%) ratio of organic and aqueous phase (OP:AP). The organic phase was set up with 6 mL of acetone solution containing PLA (0.1% w/v) and PEI (0.1% w/v) to 14 mL of the aqueous phase containing

• PVA (1.0% w/v), at an output flux of 3.0 mL⋅min−1. After titrations, the acetone organic solvent evaporation occurred under a 700 rpm of magnetic stirring overnight. After solvent evaporation, colloidal dispersions were centrifuged at 22,000g for 5 minutes. The T. serrulatus venom loading in the

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

• -precipitation involves solvent displacement method, where acetone, ethanol, hexane are some of the solvents used [75]. In electrospinning, nanofibers are generated [76]. In parallel, green synthesis utilises biological entities such as plant extracts or microorganisms as reducing agents to produce eco-friendly

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

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

• 12 h. Subsequently, 1.31 g of dried powder was added to a round bottom flask. A mixed solution of 1,4-dioxane (6.24 g) and acetone (2.49 g) in a mass ratio of 5:2 was added to the flask while stirring vigorously for 12 h until complete dissolution of the materials was achieved. The resulting

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

• . Before and after the laser treatment, these SS surfaces underwent ultrasonic rinsing with acetone for 10 min each, aiming to eliminate dust particles and other contaminants. Experimental details A commercially available Ti:sapphire femtosecond laser operating at an 800 nm central wavelength, with 75 fs

Crystalline and amorphous structure selectivity of ignoble high-entropy alloy nanoparticles during laser ablation in organic liquids is set by pulse duration

• Robert Stuckert,
• Felix Pohl,
• Oleg Prymak,
• Ulrich Schürmann,
• Christoph Rehbock,
• Lorenz Kienle and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 1141–1159, doi:10.3762/bjnano.16.84

• in organic solvents (acetone, ethanol, acetonitrile). In a systematic experimental series using high-resolution transmission electron microscopy, scanning transmission electron microscopy with energy-dispersive X-ray spectroscopy, selected-area electron diffraction, X-ray diffraction, electron energy

• dominant α-Fe structure could not be observed after LFL, and solely amorphous structures were found [76]. Ps-LAL of FeSiB in organic solvents, however, yielded amorphous NPs directly after ablation in acetone, ethanol, and acetonitrile, while nanocrystalline byproducts of α-Fe/Fe3C phases were also

• on the laser synthesis of colloidal Cantor alloy (CrMnFeCoNi) NPs, systematically varying pulse duration (ps and ns pulses) in laser ablation in organic solvents (acetone, ethanol, acetonitrile), aiming to deduce general design rules triggering the formation of crystalline or amorphous structures in

Shape, membrane morphology, and morphodynamic response of metabolically active human mitochondria revealed by scanning ion conductance microscopy

• Eric Lieberwirth,
• Anja Schaeper,
• Regina Lange,
• Ingo Barke,
• Simone Baltrusch and
• Sylvia Speller

Beilstein J. Nanotechnol. 2025, 16, 951–967, doi:10.3762/bjnano.16.73

• intermittency effect. Because of the immobilisation protocol using acetone vapour, the 1 μm microspheres “melted” and adopted a more cell-like shape. Discussion SICM topographies and mitochondrial characteristics The SICM topographies reflect the well-documented diversity of mitochondrial shapes and represent a

• intermittency occurs with fixed mitochondria and with 3 μm microspheres treated with acetone (non-living systems with similar geometry). The effect does not occur with 1 μm microspheres treated with acetone vaporisation. In this case, the microspheres’ shape becomes more cell-like, reducing the steep slope and

• (1:10 for 3 μm microspheres, 1:100 for 1 μm microspheres) was transferred to the imaging dish and left to dry, allowing the ethanol to evaporate. As immobilisation was insufficient, the samples were exposed to acetone vapour for 30 min at room temperature in air. The 3 μm polystyrene microspheres

Heat-induced transformation of nickel-coated polycrystalline diamond film studied in situ by XPS and NEXAFS

• Olga V. Sedelnikova,
• Yuliya V. Fedoseeva,
• Dmitriy V. Gorodetskiy,
• Yuri N. Palyanov,
• Elena V. Shlyakhova,
• Eugene A. Maksimovskiy,
• Anna A. Makarova,
• Lyubov G. Bulusheva and
• Aleksandr V. Okotrub

Beilstein J. Nanotechnol. 2025, 16, 887–898, doi:10.3762/bjnano.16.67

• transformation of bare and nickel-coated polycrystalline diamond films under high-vacuum annealing The PCD film was produced by plasma-enhanced chemical vapor deposition (PE CVD) using acetone (CH3)2CO, hydrogen, and air as the precursor gases for the plasma [37]. The film consists of crystallites with

• 1150 °C [27] and for the (111) face of SCD annealed at 1250 °C [15]. Conclusion Polycrystalline diamond films with mixed grain orientations were synthesized by the PE CVD method from hydrogen/acetone/air plasma and coated with a 40 nm thick nickel layer. In situ XPS and NEXAFS data revealed the

• hydrogen/acetone/air mixture. The deposition parameters were typical of those previously employed for an “Astex” system (2.45 GHz, 4.5 kW): a pressure of 115 Torr, hydrogen, acetone, and air flow rates of 500, 18, and 0.3 sccm, respectively, and substrate temperature in the range of 940–980 °C [28][37

Ar⁺ implantation-induced tailoring of RF-sputtered ZnO films: structural, morphological, and optical properties

• Manu Bura,
• Divya Gupta,
• Arun Kumar and
• Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 872–886, doi:10.3762/bjnano.16.66

• cleaned using acetone and, finally, isopropyl alcohol before the experiment. The sputtering chamber is pumped to a base pressure of 1.2 × 10−6 Torr; then a mixture of nitrogen and argon gas is introduced into the sputtering chamber with flows of 1.8 and 10.0 sccm, respectively. When the pressure inside

Facile one-step radio frequency magnetron sputtering of Ni/NiO on stainless steel for an efficient electrode for hydrogen evolution reaction

• Ha Huu Do,
• Khac Binh Nguyen,
• Phuong N. Nguyen and
• Hoai Phuong Pham

Beilstein J. Nanotechnol. 2025, 16, 837–846, doi:10.3762/bjnano.16.63

• with a thickness of 1 mm was used as a substrate for catalyst growth. Fabrication of the Ni/NiO/SS samples Grade 304 SS was cut into pieces of 60 mm × 25 mm, washed with soap, and then sonicated in a mixture of acetone and ethanol to remove the impurities left on the SS template. After that, thin films

Morphology and properties of pyrite nanoparticles obtained by pulsed laser ablation in liquid and thin films for photodetection

• Akshana Parameswaran Sreekala,
• Bindu Krishnan,
• Rene Fabian Cienfuegos Pelaes,
• David Avellaneda Avellaneda,
• Josué Amílcar Aguilar-Martínez and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 785–805, doi:10.3762/bjnano.16.60

• synthesize pyrite nanoparticles in various solvents, including isopropyl alcohol (IPA), dimethyl formamide (DMF), ethanol, methanol, and acetone, using a 532 nm wavelength output from a Nd:YAG laser. Pulsed laser ablation in liquid has been demonstrated as a reliable alternative to conventional chemical

• % pure, Beijing Goodwill Metals, China) was placed in a 250 mL beaker with 25 mL of solvent (IPA, DMF, ethanol, methanol, and acetone – all from Fermont, 99.9% pure, analytical grade). The FeS2 target surface was polished and washed each time using the respective solvent for ablation to get rid of any

• nanocolloids obtained in different solvents are shown in Supporting Information File 1, Figure S1. The NPs of FeS2 in IPA are referred to as FIPA, in DMF as FDMF, in ethanol as FET, in methanol as FMET, and in acetone as FAC. Morphology and composition of the nanoparticles obtained in all solvents are analyzed

Electron beam-based direct writing of nanostructures using a palladium β-ketoesterate complex

• Chinmai Sai Jureddy,
• Krzysztof Maćkosz,
• Aleksandra Butrymowicz-Kubiak,
• Iwona B. Szymańska,
• Patrik Hoffmann and
• Ivo Utke

Beilstein J. Nanotechnol. 2025, 16, 530–539, doi:10.3762/bjnano.16.41

• multiple cycles of water–acetone–isopropanol solvents in an ultrasonification bath and then dried using pressurized N2 gas. For the precursor delivery, we used a heatable, custom-built GIS. Before precursor filling, the GIS underwent the same cleaning procedure as the substrate. The solid precursor was

N₂⁺-implantation-induced tailoring of structural, morphological, optical, and electrical characteristics of sputtered molybdenum thin films

• Usha Rani,
• Kafi Devi,
• Divya Gupta and
• Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 495–509, doi:10.3762/bjnano.16.38

• minimizing the reflected power. Before deposition, the target surface was pre-sputtered for 15 min to remove any surface contamination. The silicon substrates were meticulously cleaned by washing them with distilled water and isopropyl alcohol and rinsing them with acetone. The vacuum chamber was evacuated

ReactorAFM/STM – dynamic reactions on surfaces at elevated temperature and atmospheric pressure

• Tycho Roorda,
• Hamed Achour,
• Matthijs A. van Spronsen,
• Marta E. Cañas-Ventura,
• Sander B. Roobol,
• Willem Onderwaater,
• Mirthe Bergman,
• Peter van der Tuijn,
• Gertjan van Baarle,
• Johan W. Bakker,
• Joost W. M. Frenken and
• Irene M. N. Groot

Beilstein J. Nanotechnol. 2025, 16, 397–406, doi:10.3762/bjnano.16.30

• a CaCl2 electrolytic solution (CaCl2 5 g, H2O 30 mL, acetone 2 mL). An alternating current (AC) voltage (50 Hz, 1–10 V) is applied between the tip and a gold ring electrode with the etching solution in suspension resulting in a sharp tip, which serves as the probe. In a second step, the etched Pt/Ir

Tailoring of physical properties of RF-sputtered ZnTe films: role of substrate temperature

• Kafi Devi,
• Usha Rani,
• Arun Kumar,
• Divya Gupta and
• Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 333–348, doi:10.3762/bjnano.16.25

• temperatures. Prior to film deposition, the substrates were cleansed in an ultrasonic cleaner using acetone and isopropyl alcohol sequentially for 10 min at room temperature. The cleaned substrates were then dried in air and placed on the substrate holder in the chamber. A ZnTe target (dimensions 2 inch

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

• buffer, post-fixed in 1% osmium tetraoxide for 4 h at 4 °C, and again washed with 0.1 M sodium cacodylate buffer. After that, cells were dehydrated using different percentages of acetone series (15–100%) and incubated with an AralditeR–DDSA mixture overnight at room temperature. The cell blocks were made

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

• insoluble in water, alkali, and most mineral acid systems. Additionally, chitosan is soluble in mixtures of water, methanol, ethanol, and acetone [52], making it feasible for the electrospinning process. Unbound amino groups make chitosan a positively charged polyelectrolyte in acidic media, resulting in

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

• LAL in alcohols, ketones, or aliphatic hydrocarbons exhibited a carbon shell [7][11][52]. These carbon shells were particularly pronounced for gold and copper nanoparticles synthesized in hydrocarbons without a heteroatom. However, differences were found for the LAL in, for example, acetone. The LAL

• of gold in acetone did not lead to carbon shells, whereas the formation of carbon shells during the LAL of copper in acetone has been reported [35]. This observation was discussed to be linked to the catalytic activity of copper for C–C bond formation [53][54]. Accordingly, a stronger carbon

A nanocarrier containing carboxylic and histamine groups with dual action: acetylcholine hydrolysis and antidote atropine delivery

• Elina E. Mansurova,
• Andrey A. Maslennikov,
• Anna P. Lyubina,
• Alexandra D. Voloshina,
• Irek R. Nizameev,
• Marsil K. Kadirov,
• Anzhela A. Mikhailova,
• Polina V. Mikshina,
• Albina Y. Ziganshina and
• Igor S. Antipin

Beilstein J. Nanotechnol. 2025, 16, 11–24, doi:10.3762/bjnano.16.2

• , 134, 126, 124, 120, 108, 61, 46, 41, 39, 34, 30, 18; IR (KBr, cm−1): 3500–3000, 2938, 1608, 1476; Anal. calcd for C64H88Cl4N12O12: C, 56.55; H, 6.53; Cl, 10.43; N, 12.37; found: C, 56.48; H, 6.78; Cl, 10.20; N, 11.89. Synthesis of CA-RA 1. To a solution of 7 g (9.7 mmol) of RA in 100 mL of acetone

• , 10.74 g (77.6 mmol) of K2CO3 and 1.6 g (9.7 mmol) of KI were added. The mixture was stirred at room temperature, and a solution of ethyl bromoacetate (13 g, 77.8 mmol) in 100 mL of acetone was added dropwise. After addition, the mixture was stirred at 80 °C for 24 h, followed by the removal of the