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Search for "organic solvent" in Full Text gives 75 result(s) in Beilstein Journal of Nanotechnology.
Synthesis and magnetic transitions of rare-earth-free Fe–Mn–Ni–Si-based compositionally complex alloys at bulk and nanoscale
Beilstein J. Nanotechnol. 2025, 16, 823–836, doi:10.3762/bjnano.16.62
- 2.8 J·cm−2 [41]. Additionally, to increase the NP concentration and reduce the organic solvent use, a closed loop liquid flow system was employed. Size distribution, morphology, elemental composition, and crystal structure of the NPs from both CCA targets were examined using transmission electron
Morphology and properties of pyrite nanoparticles obtained by pulsed laser ablation in liquid and thin films for photodetection
Beilstein J. Nanotechnol. 2025, 16, 785–805, doi:10.3762/bjnano.16.60
- by laser ablation in liquid. In that case, the S2− ions formed from the decomposition of an organic solvent (DMSO), Cu2+ formed by breaking down of Cu(acac)2, and Cu+ (reduction of Cu2+ in ethanol) reacted to form Cu1.4S NPs [54]. For obtaining phase-pure FeS2 films, a sulfurization method was
Aprepitant-loaded solid lipid nanoparticles: a novel approach to enhance oral bioavailability
Beilstein J. Nanotechnol. 2025, 16, 652–663, doi:10.3762/bjnano.16.50
- dispersion. SEM studies Scanning electron micrographs of APT-CD-NP4 and APT-PX-NP8 shown in Figure 3 illustrate that polymeric content was deposited on the SLN surface because of organic solvents. After evaporation of the organic solvent, colloidal particles are closely packed. Dispersions in organic
- continuous stirring at 1000 rpm for 1 h at 50 °C. From the suspension, the organic solvent was evaporated, and the suspension was frozen at −40 °C for 24 h and lyophilized at 1.1 mbar and −45 °C (FSF-10N-50A, China). The prepared APT-loaded SLNs were stored at 4 °C for further use [26]. The solubility of APT
Pulsed laser in liquid grafting of gold nanoparticle–carbon support composites
Beilstein J. Nanotechnol. 2025, 16, 349–361, doi:10.3762/bjnano.16.26
- synthesis–attachment are long preparation times, the generation of hazardous organic solvent and ligand waste [15], and poor electrical contact at the nanoparticle–support interface, particularly for nanoparticles with surfactant-terminated surfaces [16]. Conventionally made nanoparticles rely on
Fabrication and evaluation of BerNPs regarding the growth and development of Streptococcus mutans
Beilstein J. Nanotechnol. 2025, 16, 308–315, doi:10.3762/bjnano.16.23
- inhibitory activity against pathogenic bacteria have been reported. In 2022, Nguyen et al. fabricated berberine nanoparticles (BerNPs) by antisolvent precipitation (ASP) using glycerol as a safe organic solvent and evaluated their antibacterial activity on S. aureus and E. coli O157:H7 [12]. Additionally
- synthesized by ASP using glycerol as a safe organic solvent, resulting in BerNPs with a narrow size distribution and an average diameter of 156 nm [12]. Additionally, the high-pressure homogenization method reduced the average size of BerNPs to approximately 72.4 nm [25]. Numerous studies showed that smaller
Preferential enrichment and extraction of laser-synthesized nanoparticles in organic phases
Beilstein J. Nanotechnol. 2025, 16, 254–263, doi:10.3762/bjnano.16.20
- ], and/or carbon shells on the nanoparticle surface [7]. These carbon shells are either amorphous or graphitic [7][8][30], while doping of the shells [31] is also possible. Besides carbon formation, the choice of organic solvent influences the properties of the generated nanoparticles and process
- Nanoparticles are generated by ablating the target material (10 × 10 × 1 mm) immersed in the organic solvent using a Nd:YAG-laser (RSM 100D, ROFIN-SINAR Laser GmbH) working with a pulse duration of 35 ns, a wavelength of 1064 nm, a repetition rate of 5 kHz and pulse energy of 5.4 mJ. LAL was performed in a 30
Unveiling the potential of alginate-based nanomaterials in sensing technology and smart delivery applications
Beilstein J. Nanotechnol. 2024, 15, 1077–1104, doi:10.3762/bjnano.15.88
Therapeutic effect of F127-folate@PLGA/CHL/IR780 nanoparticles on folate receptor-expressing cancer cells
Beilstein J. Nanotechnol. 2024, 15, 954–964, doi:10.3762/bjnano.15.78
- emulsion, or nanoprecipitation [1][4], in which copolymers are dissolved in an organic solvent, called the organic phase, and then are put into an immiscible aqueous solution, called the water phase, to form the nanoparticles. Various surfactants, including poly(vinyl alcohol) (PVA), sodium cholate, or
- acetonitrile, PLGA 504H (20 mg), chlorambucil (2 mg), and IR780 (0.1 mg) were mixed (2 mL). Then, the mixture was added dropwise into 20 mL of F127 solution (1.5% w/v) with F127-folate (2 mg) while stirring at 200 rpm. For 16 h, the organic solvent was allowed to evaporate. The F127-folate@PLGA/CHL/IR780 were
Laser synthesis of nanoparticles in organic solvents – products, reactions, and perspectives
Beilstein J. Nanotechnol. 2024, 15, 638–663, doi:10.3762/bjnano.15.54
- syntheses in water are limited, the possible products formed during irradiation in organic solvents are plenty. First, the ionization of the organic solvent molecules produces free electrons and radical cations [108][109][110] with longer lifetimes than in water [111]. Because of their longevity, the
- the surfactants (or inorganic anions) used, the carbon stemming from the organic solvent molecules acts as a surface modification of the nanoparticles and is often obtained as carbon shells. The carbon shell can be amorphous carbon [100][101], graphitic carbon [104][149][150][151][152], or carbide [99
- alkanes (pentane, hexane, and decane) in an inert atmosphere by Matsue and coworkers [102]. Hence, the formed phase of iron nanoparticles is determined by the chemical properties of the organic solvent and the used atmosphere, which is closely related to the formed decomposition species, which can be of
Nanocarrier systems loaded with IR780, iron oxide nanoparticles and chlorambucil for cancer theragnostics
Beilstein J. Nanotechnol. 2024, 15, 180–189, doi:10.3762/bjnano.15.17
- (FTIR) results were displayed in the Supporting Information File 1 (Supplementary data 1) and Figure S1. Formulation of nanoparticles F127-folate@PLGA/IO/CHL/IR780 and others In 2 mL of DCM, 20 mg of PLGA, 40 μg of IO, 2 mg of CHL, and 0.1 mg of IR780 were mixed. The organic solvent was then added to
N-Heterocyclic carbene-based gold etchants
Beilstein J. Nanotechnol. 2023, 14, 865–871, doi:10.3762/bjnano.14.71
- , in turn, can promote surface mobility of gold across a sample, allowing for the formation of herringbone structures, pits, and step edges [23][24][25]. Other work has shown that tetrahydrofuran (THF), an organic solvent used for SAM formation [1][2][4][6][7][8], can roughen the gold surface at atomic
- test solution in 20 mL glass vials. Vials were capped and left at room temperature in a fume hood for the allotted time of the experiment. The tokens were then removed from the test solution and rinsed in the respective organic solvent of the test solution before drying under a stream of 99.998
Carbon nanotube-cellulose ink for rapid solvent identification
Beilstein J. Nanotechnol. 2023, 14, 535–543, doi:10.3762/bjnano.14.44
- analysis for these systems. The sensor was able to distinguish the three cases, demonstrating both robustness and sensitiveness of the MFC/MWCNT composite as a low-concentration oil sensor. Organic solvent recognition The MFC/MWCNT transducer was also evaluated for the recognition of organic solvents. The
Liquid phase exfoliation of talc: effect of the medium on flake size and shape
Beilstein J. Nanotechnol. 2023, 14, 68–78, doi:10.3762/bjnano.14.8
- talc, we also added less talc powder to the solution, to keep the ratio constant. We also tested the nonionic surfactant Triton-X100. Besides the absence of charged groups, compared to SC, Triton-X100 is also less expensive, although not environmentally friendly either. Finally, we tested an organic
- solvent, namely butanone. Butanone is volatile and has a boiling point of approximately 80 °C, making it the easiest medium to remove after exfoliation of the four employed here. Also, unlike other organic solvents commonly used in LPE, for example, NMP or dimethylformamide (DMF), that have a higher
Antibacterial activity of a berberine nanoformulation
Beilstein J. Nanotechnol. 2022, 13, 641–652, doi:10.3762/bjnano.13.56
- the preparation of berberine (BBR) in nanoformulation to enhance its solubility and increase its antibacterial effectiveness against hospital-acquired infections. BBR nanoparticles (BBR NPs) were formed by antisolvent precipitation (ASP) using glycerol as a safe organic solvent. UV–vis absorption
Interfacial nanoarchitectonics for ZIF-8 membranes with enhanced gas separation
Beilstein J. Nanotechnol. 2022, 13, 313–324, doi:10.3762/bjnano.13.26
- -methylimidazole/1-octanol solution were prepared to optimize the ZIF-8 membrane structure. Since 1-octanol is immiscible with water, ZIF-8 formation can be confined to the interface between water and the organic solvent. Prior to ZIF-8 crystal growth, the pretreated α-Al2O3 disk was immersed into the zinc nitrate
A photonic crystal material for the online detection of nonpolar hydrocarbon vapors
Beilstein J. Nanotechnol. 2022, 13, 127–136, doi:10.3762/bjnano.13.9
- application of polydimethylsiloxane. In some experiments, it was possible to detect toluene vapors with a concentration of ca. 0.3 mg/m3 using a sensor with a sensitive layer thickness about 20 μm. Effects of organic solvent mixtures on the sensor Of particular interest is the detection of analytes in complex
Progress and innovation of nanostructured sulfur cathodes and metal-free anodes for room-temperature Na–S batteries
Beilstein J. Nanotechnol. 2021, 12, 995–1020, doi:10.3762/bjnano.12.75
- and can be distinguished in aqueous and organic solvent routes [57]. The so-called Weimarn sols are produced by dissolution of sulfur powder in ethanol or acetone-based solutions and the subsequent precipitation of sub-micrometer-size particles in water [57]. The so-called Raffo sols are obtained by a
Comprehensive review on ultrasound-responsive theranostic nanomaterials: mechanisms, structures and medical applications
Beilstein J. Nanotechnol. 2021, 12, 808–862, doi:10.3762/bjnano.12.64
Electrokinetic characterization of synthetic protein nanoparticles
Beilstein J. Nanotechnol. 2020, 11, 1556–1567, doi:10.3762/bjnano.11.138
- synthetic protein nanoparticles SPNPs were synthesized using a modification of the well-established EHD co-jetting technique [51][52][53]. Generally, SPNPs are generated by dissolving a protein of interest and a copolymer of choice into a co-solvent system of water and an organic solvent, such as ethanol or
Role of redox-active axial ligands of metal porphyrins adsorbed at solid–liquid interfaces in a liquid-STM setup
Beilstein J. Nanotechnol. 2020, 11, 1264–1271, doi:10.3762/bjnano.11.110
- single-molecule level, employing scanning tunneling microscopy (STM) [7][8][9]. Since our aim was to stay as close as possible to the laboratory conditions at which catalysis takes place (typically in an organic solvent under ambient conditions), we carried out our STM studies at a solid–liquid interface
Correction: Biocatalytic oligomerization-induced self-assembly of crystalline cellulose oligomers into nanoribbon networks assisted by organic solvents
Beilstein J. Nanotechnol. 2020, 11, 370–371, doi:10.3762/bjnano.11.27
- ; oligomerization-induced self-assembly; organic solvent; The originally published Figure 4 contains wrong units on the y axes of both depicted CD spectra. The corrected Figure 4 is given below. Corrected Figure 4 of the original publication.
Phase inversion-based nanoemulsions of medium chain triglyceride as potential drug delivery system for parenteral applications
Beilstein J. Nanotechnol. 2020, 11, 213–224, doi:10.3762/bjnano.11.16
- as the flexibility of the nanoparticles [6][7][8][9]. Shock dilution with ice-cold water during phase inversion of the emulsion gives the opportunity to produce nanocapsules without the use of any potentially toxic organic solvent at low energy cost [10][11]. The choice and the amount of the
Synthesis and acetone sensing properties of ZnFe2O4/rGO gas sensors
Beilstein J. Nanotechnol. 2019, 10, 2516–2526, doi:10.3762/bjnano.10.242
- which are composed of small nanoparticles instead of nanosheets. This deformation of the self-assembled structure of the nanosheets may be ascribed to the introduction of more water to the organic solvent when increasing the volume of the aqueous GO dispersion [37][38] or to the low mass fraction of rGO
- dispersion of GO to the organic solvent, in which the reaction occurrs, affects the formation of the ZnFe2O4 hollow spheres [17][39], resulting in a limitation of surface reactions. In addition, as shown in Figure 8b, the response of the sensors to 25–100 ppm acetone was also probed employing the same
Microfluidics as tool to prepare size-tunable PLGA nanoparticles with high curcumin encapsulation for efficient mucus penetration
Beilstein J. Nanotechnol. 2019, 10, 2280–2293, doi:10.3762/bjnano.10.220
- and 0.1 equiv of 4-(dimethylamino)pyridine (DMAP), also in dried DCM, were added. The reaction was carried out at room temperature for 24 h. It was quenched by the addition of 1 mL of water. The organic solvent was removed with a rotational evaporator, and the remaining water was discarded. An
- precipitate and form NPs. The PLGA NP sample was collected from the outlet of the channel. Then the PLGA NP suspension was left overnight under stirring to evaporate the organic solvent. Finally, the PLGA NP suspension was washed twice using centrifugation (30 min at 10,000g at 4 °C) and redispersed with
Incorporation of doxorubicin in different polymer nanoparticles and their anticancer activity
Beilstein J. Nanotechnol. 2019, 10, 2062–2072, doi:10.3762/bjnano.10.201
- evaporation of the organic solvent, PLA and PLGA nanoparticles were purified three times by centrifugation at 21,000 g for 15 min and re-dispersion in purified water. PLGA-PEG nanoparticles were purified three times by centrifugation at 30,000g for 60 min and re-dispersion in purified water. Determination of
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