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Search for "emulsion" in Full Text gives 69 result(s) in Beilstein Journal of Nanotechnology.
Development of a mucoadhesive drug delivery system and its interaction with gastric cells
Beilstein J. Nanotechnol. 2025, 16, 371–384, doi:10.3762/bjnano.16.28
- nanoparticles (Alg NPs) were prepared with a technique similar to the one used in [77]. Briefly, sodium alginate (1.35 mL of 0.5% w/v) and sunflower oil (6.75 g) containing Span 80 (405 µL) were emulsified at 30000 rpm for 5 min. The emulsion was then probe-sonicated in an ice bath (50 s pulses on and 10 s off
- , 40% Amp) for 10 min. At the end of sonication, CaCl2 (0.22 M, 1 mL) containing poloxamer 407 (1%, w/v) was dripped with an injector (Genject, Türkiye) into the mixing emulsion with a syringe pump at a rate of 6 mL/h. The final emulsion was probe-sonicated in an ice bath (50 s pulses on and 10 s off
- , 40% Amp) for 5 min, followed by 30 min of incubation on a magnetic stirrer. Finally, isopropanol (4 mL) was added to the emulsion, and the nanoparticles were collected by centrifugation (3000g for 5 min). The pellet was washed once with isopropanol and three times with double-distilled water (ddH2O
Enhancing mechanical properties of chitosan/PVA electrospun nanofibers: a comprehensive review
Beilstein J. Nanotechnol. 2025, 16, 286–307, doi:10.3762/bjnano.16.22
- out through methods such as blend electrospinning, sequential electrospinning, co-electrospinning, and emulsion electrospinning. Blend electrospinning Blend electrospinning refers to the electrospinning of a single solution or mixture containing more than one material or polymer, which makes up one
- coaxial electrospinning in which spinneret is conceptualized as two half-cylindrical nozzles joined together. The fibers formed from the process are attached side-by-side instead of a core–shell structure. Figure 8 illustrates the different types of fibers formed using multichamber nozzles. Emulsion
- electrospinning Emulsion electrospinning is similar to blend electrospinning in principle, but instead of a single homogenous mixture, the emulsion is based on multiple phases that are not mixed during the process [97][98]. To prepare an emulsion, two immiscible fluids, for example, oil and water are mixed with
Nanocarriers and macrophage interaction: from a potential hurdle to an alternative therapeutic strategy
Beilstein J. Nanotechnol. 2025, 16, 97–118, doi:10.3762/bjnano.16.10
Instance maps as an organising concept for complex experimental workflows as demonstrated for (nano)material safety research
Beilstein J. Nanotechnol. 2025, 16, 57–77, doi:10.3762/bjnano.16.7
- procurement) of the particles, which for SiO2 nanomaterials is either the Stöber method or the emulsion method, followed by chemical modification. Here, nanomaterial functionalisation was realised by addition of amino or carboxyl groups with shorter or longer aliphatic linkers. Alteration in the particles
Bioinspired nanofilament coatings for scale reduction on steel
Beilstein J. Nanotechnol. 2025, 16, 25–34, doi:10.3762/bjnano.16.3
- coatings on steel were conducted under conditions relevant to oil production, which represents one of the most challenging applications for steel coatings. Specifically, the tests were performed in a 3 wt % toluene/water emulsion at a pressure of 70 bar and a temperature of 100 °C, with shear stresses at
A nanocarrier containing carboxylic and histamine groups with dual action: acetylcholine hydrolysis and antidote atropine delivery
Beilstein J. Nanotechnol. 2025, 16, 11–24, doi:10.3762/bjnano.16.2
- react with BA to form boronate esters through cross-linking (Scheme 1). To synthesize p(Hist-CA), 4 mL of BA solution (1.25 mM) in PB, pH 8.5, and 7.3 μL of triolein (TO) were added to a mixture of Hist-RA (2 mM) and CA-RA (4.4 mM) in 1 mL of water. The mixture was vortexed for 1.5 min until an emulsion
- formed. Subsequently, the emulsion underwent homogenization in an ultrasonic bath while being bubbled with argon for 1.5 h to generate a uniformly dispersed solution. Then, the solution was diluted three times. Polycondensation occurred at 25 °C overnight under stirring. p(Hist-CA) was then purified
- 8.5) was added, along with 7.3 μL of TO. The mixture was vortexed at 3500 rpm for 1 min. Following this, the solution underwent argon purging and 90 min of sonication to homogenize the microemulsion. Then the emulsion was stirred at room temperature overnight. Last, the solution was diluted three
Polymer lipid hybrid nanoparticles for phytochemical delivery: challenges, progress, and future prospects
Beilstein J. Nanotechnol. 2024, 15, 1473–1497, doi:10.3762/bjnano.15.118
- modification of PLHNPs begins with the preparation of the nanoparticles themselves. PLHNPs are typically synthesized using techniques such as solvent evaporation, nanoprecipitation, double emulsion, or solvent injection, resulting in the formation of nanoparticles with a lipid–polymer hybrid structure [60
Nanotechnological approaches for efficient N2B delivery: from small-molecule drugs to biopharmaceuticals
Beilstein J. Nanotechnol. 2024, 15, 1400–1414, doi:10.3762/bjnano.15.113
- microfluidics and high-shear-force homogenization [110]. As DDS, nanoemulsions can be reservoirs for encapsulating hydrophobic substances [111]. Moreover, emulsions of emulsions or double emulsions can be prepared by dispersing the droplets of primary emulsion into another liquid phase. Double emulsions can be
- delivery to further improve the expression of the RNA. For instance, Hao et al. modified RVG29 by a PEG–PLGA polymer and encapsulated microRNA(miR)-124 via double emulsion to synthesize NPs for ischemic stroke treatment. The results in in vivo studies showed that NPs entered the brain rapidly, and the
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
- , researchers have improved the formulation procedures for alginate-based nanoparticles to improve drug-loading capacity, stability, and controlled release characteristics. To improve the formulation of alginate nanoparticles, several methods have been developed, including emulsion-based approaches, solvent
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
- ) (PLA) and poly(glycolic acid) (PGA), has been employed in the synthesis of nanoparticles for cancer diagnostics and therapy because of its excellent biocompatibility and biodegradability [1][2][3]. PLGA nanoparticles can be prepared via a variety of techniques, including single emulsion, double
- 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
- F127-folate to enhance their therapeutic efficacy. Size and charge of the nanoparticles PLGA nanoparticles can be synthesized by several methods, such as single emulsion evaporation, double emulsion evaporation, or microfluidics using different surfactants, including PVA, F127, sodium cholate, or SDS
Fabrication of nanocrystal forms of ᴅ-cycloserine and their application for transdermal and enteric drug delivery systems
Beilstein J. Nanotechnol. 2024, 15, 465–474, doi:10.3762/bjnano.15.42
- different hydrophobic solutions to obtain emulsion solutions, and loaded into the donor compartment of the Franz diffusion cell for 24 h. The release of DCS was detected in the receptor compartment. The summary of DCS formulations and release is shown in Table 1 and described as: Formulation Test 1: 20 mg
- dipropylene glycerol (Sigma-Aldrich), 0.6 mL of PEG 400 (Sigma-Aldrich), and 0.2 mL of corn oil (Sigma-Aldrich) to form an emulsified solution by vortexing and sonication. An amount of 15 mg of DCS nanocrystals was added to this emulsion by stirring. After the DCS nanocrystals were well suspended, the final
- to form an emulsion by vortexing and sonication. Then, 30 mg of DCS nanocrystals was added to this formulation by stirring. When the DCS nanocrystals were well suspended, the final product was added to the donor part of the Franz diffusion cell system. Patch formulation C: 5 mg of mannitol and 10 mg
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
- alcohol)-based nanoparticles (NPs) using the single emulsion technique. Then the NPs were coated with F127 and F127-folate by simple incubation for five days. The nanoparticles have the hydrodynamic size of approx. 250 nm with negative charge. Similar to chlorambucil and IR780, iron oxide loadings were
- purification and freeze-drying. The results showed that there was approx. 0.5% of CHL in the NPs (Table 2). The encapsulation efficiency of the single emulsion was approx. 5%. However, it was reported that the encapsulation efficiency could be increased up to 92% using the double emulsion method [28] or to 70
- a size over 200 nm activate the lymphatic system and are more quickly removed from circulation [32][33]. The core size and hydrodynamic size of our nanoparticles were around 100 nm and 245 ± 3 nm, respectively, making them suitable for intravenous delivery. Thus, the single emulsion/evaporation
Development and characterization of potential larvicidal nanoemulsions against Aedes aegypti
Beilstein J. Nanotechnol. 2024, 15, 104–114, doi:10.3762/bjnano.15.10
- present work was (i) to develop stable oil-in-water nanoemulsions containing myrcene or cymene as the dispersed phase, (ii) to determine the required rHLB values for emulsion stability, (iii) to assess the biocompatibility via in vitro and in vivo assays, and (iv) to evaluate the bioefficacy of the NE
- was the one with HLB 16, which has in its composition a greater amount of Tween 20, the more hydrophilic surfactant. It has been shown that a significant difference of the headgroup size of the surfactants has a synergistic effect on emulsion stabilization. Furthermore, the use of mixed surfactants
Nanotechnological approaches in the treatment of schistosomiasis: an overview
Beilstein J. Nanotechnol. 2024, 15, 13–25, doi:10.3762/bjnano.15.2
- organoleptic properties of PZQ [8][48]. da Fonseca et al. [8] used poly(methyl methacrylate) nanoparticles loaded with PZQ produced by in situ mini emulsion polymerizations to mask the drug taste and develop an oral formulation. Although the taste was masked, the authors reported a gritty tongue sensation
Polymer nanoparticles from low-energy nanoemulsions for biomedical applications
Beilstein J. Nanotechnol. 2023, 14, 339–350, doi:10.3762/bjnano.14.29
- . Nanoemulsions can be formulated to contain oily (hydrophobic) droplets in a continuous aqueous phase, that is, as in oil-in-water (O/W) nanoemulsions or aqueous droplets in a continuous oily (hydrophobic) phase as in water-in-oil (W/O) nanoemulsions. To form an emulsion, the liquid to be dispersed should be
- first fractionated into droplets. This process implies an increase in specific surface area A with an associated theoretical energy penalty (Et) expressed as where γ is the O/W interfacial tension, ϕ is the volume fraction of the dispersed phase, and dE is the droplet diameter in the emulsion. In the so
- tensions that promote the formation of very small droplets. However, since the colloidal stability is very low, the systems need to be quenched to lower temperatures to obtain kinetically stable nanoemulsions [10][11]. In contrast, the PIC method (also called emulsion inversion point method) [12][13
Solvent-induced assembly of mono- and divalent silica nanoparticles
Beilstein J. Nanotechnol. 2023, 14, 52–60, doi:10.3762/bjnano.14.6
- to synthesize 1-PSN with controlled patch size. First, silica/PS monopods consisting of a central silica core attached to one PS nodule (Figure 2a) have been prepared by seeded-growth emulsion polymerization of styrene, as reported elsewhere [32] (see experimental details). The silica core of the
- silica/PS monopods and bipods In a manner similar to the already reported procedure [32], monopods consisting of a central silica core attached to one PS nodule have been prepared by seeded-growth emulsion polymerization of styrene. Briefly, silica nanoparticles with an average diameter of 44 ± 2 nm were
- corresponded to a nominal grafting surface density of 0.7 funct./nm2. Then, MMS-functionalized silica NPs (1.8 × 1016 part/L) were used as seeds for the seed-growth emulsion polymerization of styrene (100 g/L) stabilized by a mixture (3 g/L) of Symperonic® NP30 and SDS (5 wt %) and initiated by 1.3 mL of
Orally administered docetaxel-loaded chitosan-decorated cationic PLGA nanoparticles for intestinal tumors: formulation, comprehensive in vitro characterization, and release kinetics
Beilstein J. Nanotechnol. 2022, 13, 1393–1407, doi:10.3762/bjnano.13.115
- acetate, dialysis cellulose tubing membrane (average flat width 25 mm, MWCO 14,000 Da), gelatin type B from bovine skin, mucine from porcine stomach (type II), diethylenetriaminepentaacetic acid (DTPA; min 99%, titration), and egg yolk emulsion were purchased from Sigma-Aldrich, USA. All other chemicals
- used were of analytical grade and obtained from Sigma-Aldrich. Methods Preparation of DCX-PLGA and CS/DCX-PLGA NPs DCX-PLGA NPs and CS/DCX-PLGA NPs were prepared by the previously reported single-emulsion preparation method, with some modifications [75][76]. In accordance with the principle of the
- of 0.2% [77]. The organic phase was added to the aqueous phase on a magnetic stirrer at 550 rpm. The resulting o/w emulsion was sonicated on an ice bath with an ultrasonic probe at 25% power for 1 min (four times at 10 s intervals), and PLGA nanoparticles were obtained. The nanoparticles were stirred
Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications
Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109
- plasmonic photocatalyst. Nanospheres, nanorods, and nanosheets can be synthesized using various techniques. Hydrothermal calcination, template synthesis, precipitation, reverse micro-emulsion, sonochemical procedures, and microwave methods are typical techniques for fabricating Bi-based nanostructures [77
Roll-to-roll fabrication of superhydrophobic pads covered with nanofur for the efficient clean-up of oil spills
Beilstein J. Nanotechnol. 2022, 13, 1228–1239, doi:10.3762/bjnano.13.102
- covered by the oil film, the pads do not absorb any water. To illustrate the capabilities of the nanopads for oil–water separation and their use in the cleanup of oil spills, the video in Supporting Information File 3 shows a droplet of water–oil emulsion being separated by nanofur. The video in
- sample has longer hairs, the hairs on the right sample are shorter. The video shows that longer hairs tend to pin the drops and, also, that, once the drops roll, they do so much slower than on the samples with short hairs. Supporting Information File 89: Droplets of oil water emulsion on a piece of
Microneedle-based ocular drug delivery systems – recent advances and challenges
Beilstein J. Nanotechnol. 2022, 13, 1167–1184, doi:10.3762/bjnano.13.98
- in PLGA-based nanoparticles by a water-in-oil-in-water double emulsion method. The nanoparticles were used to form microneedles in combination with various types of PVA. Then, after drying, a base layer made of an aqueous hydrogel was attached. It turned out that the MNs had adequate mechanical
Recent advances in nanoarchitectures of monocrystalline coordination polymers through confined assembly
Beilstein J. Nanotechnol. 2022, 13, 763–777, doi:10.3762/bjnano.13.67
- creating meso–macro channels without destroying most of the micropores. This can be achieved by removing emulsion networks from the single crystal [116]. The obtained HKUST-1 crystals contained bimodal or trimodal pores, which facilitated adsorption and enabled a fast Friedländer reaction. When the
Design and characterization of polymeric microneedles containing extracts of Brazilian green propolis
Beilstein J. Nanotechnol. 2022, 13, 503–516, doi:10.3762/bjnano.13.42
- . and showing several therapeutic properties (i.e., antibacterial, antiviral, antifungal, anti-inflammatory, healing, and immunomodulatory properties). The administration of PRP extracts by conventional routes has some disadvantages, such as running off over the skin in liquid or emulsion form. When
A comprehensive review on electrospun nanohybrid membranes for wastewater treatment
Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10
- multi-jet electrospinning, coaxial electrospinning, emulsion electrospinning, or centrifugal electrospinning, or based on the shape of the collector, such as rotating drum collector, parallel conducting collector, patterned electrodes, rotating thin disk, two-ring collector, and frame collector [20]. 3
- -hydroxybutyrate-co-4-hydroxybutyrate) (P34HB), which is a polyester that renders a water-permeable membrane for highly efficient removal of water from the emulsion under gravity filtration. The water permeation time was reduced from 130 to 9 s with the increase of P34HB from 30 to 50 wt % [68]. Ge et al
Use of nanosystems to improve the anticancer effects of curcumin
Beilstein J. Nanotechnol. 2021, 12, 1047–1062, doi:10.3762/bjnano.12.78
- the solubility CUR while exerting no in vitro antiproliferative effects against HCT116 cells, in either its free or emulsified form [58]. According to the authors, CUR–PIP was more effective, as compared to CUR and CUR emulsion, while PIP and PIP emulsion did not show inhibition. The CUR–PIP
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
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