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Search for "nanocomposites" in Full Text gives 216 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.
Enhancing mechanical properties of chitosan/PVA electrospun nanofibers: a comprehensive review
Beilstein J. Nanotechnol. 2025, 16, 286–307, doi:10.3762/bjnano.16.22
- nanocomposites have been produced through the substantial utilization of nanoparticles. The development of fibrous nanocomposites or bio-nanocomposites, where the matrix and/or fillers are biomaterials, has been advanced in recent years by introducing nanoscale materials into electrospun fibers in the form of
TiO2 immobilized on 2D mordenite: effect of hydrolysis conditions on structural, textural, and optical characteristics of the nanocomposites
Beilstein J. Nanotechnol. 2025, 16, 128–140, doi:10.3762/bjnano.16.12
- nanocomposites were synthetized by the introduction of titanium tetraethoxide (TEOT) into the interlamellar space of 2D mordenite, its subsequent hydrolysis in water or a solution of 70% ethanol in water for 6, 12, and 24 h, and calcination. The resulting TiO2/2D mordenite materials were studied by a set of
- mesoporosity after calcination due to anatase nanoparticles of about 4 nm preventing the collapse of the interlamellar space. Immobilization of TiO2 on the zeolite surface is evidenced by the formation of Si–O–Ti bonds. The bandgap width of the synthetized nanocomposites was found to be sensitive to the
- , texture, and optical properties of TiO2/2D mordenite nanocomposites. Results and Discussion TiO2/2D mordenite compounds were synthetized from the parent layered MOR-L by introduction of TEOT, its further hydrolysis, and calcination. Further details are given in the Experimental section. The calcined (C
Modeling and simulation of carbon-nanocomposite-based gas sensors
Beilstein J. Nanotechnol. 2025, 16, 90–96, doi:10.3762/bjnano.16.9
- disciplines, leading to the development of materials with unprecedented properties. Among these materials, carbon nanocomposites have gathered significant attention because of their exceptional electrical, mechanical, and thermal characteristics. These nanocomposites typically consist of carbon-based
- nanomaterials, such as carbon nanotubes (CNTs), graphene, and carbon black, embedded within a polymer matrix [1]. The distinctive properties of carbon nanocomposites have positioned them as promising candidates for various applications, particularly in the development of advanced sensors. The small amounts of
- nanocomposites, like high surface area, excellent electrical conductivity, and chemical stability, make them ideal candidates for the development of high-performance CO gas sensors. Carbon-nanocomposite gas sensors find their application in detecting pollutants such as nitrogen dioxide (NO2), sulfur dioxide (SO2
Enhanced catalytic reduction through in situ synthesized gold nanoparticles embedded in glucosamine/alginate nanocomposites
Beilstein J. Nanotechnol. 2024, 15, 1227–1237, doi:10.3762/bjnano.15.99
- AuNPs exhibited uniform size with an average diameter of 10.0 nm. The nanocomposites facilitated the recyclable reduction of organic dyes, including 2-nitrophenol, 4-nitrophenol, and methyl orange, employing NaBH4 as the reducing agent. Kinetic studies further underscored the potential of this
- nanocomposite as a versatile catalyst with promising applications across various industrial sectors. Keywords: catalysis; gold nanoparticles; organic dyes; organometallic nanocomposites; reduction; Introduction Gold nanoparticles (AuNPs) have garnered significant attention because of their exceptional
- resulting nanocomposites were characterized using various analytical techniques and demonstrated efficacy in the catalytic reduction of nitrophenols and methyl orange. A comparative analysis of the reduction processes was carried out to confirm the enhanced efficiency of the nanocomposites. Experimental
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
- addition, the advantages of alginate-based materials over other drug delivery methods and enhancement for sensing applications will be compared. Furthermore, several environmental, biomedical, and pharmaceutical sensing applications of alginate-based nanocomposites will be reviewed. This review will also
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
- scattering (DLS) and zeta potential spectra measurements were carried out in three replicates on a nanoPartica Horiba SZ-100 (Japan) with a scattering angle of 90° at 25 °C to determine the size distribution and stability of the nanocomposites. Scanning electron microscopy (SEM) The F127-folate@PLGA/CHL
Laser synthesis of nanoparticles in organic solvents – products, reactions, and perspectives
Beilstein J. Nanotechnol. 2024, 15, 638–663, doi:10.3762/bjnano.15.54
- nanocomposites based on sp-hybridized carbon chains [64]. Liang et al. specified the conditions for inhibition of phase crystallization and, hence, the formation of metallic glass nanoparticles in organic solvents, which was attributed to the carbon doping of the amorphous phase as well as carbon shell formation
Aero-ZnS prepared by physical vapor transport on three-dimensional networks of sacrificial ZnO microtetrapods
Beilstein J. Nanotechnol. 2024, 15, 490–499, doi:10.3762/bjnano.15.44
- materials revealed by XRD and PL spectral analyses (Figure 7) may be beneficial from the point of view of preparing various nanocomposites in a controlled manner, providing opportunities for bandgap engineering. This approach is interesting for the alignment of the conduction and valence bands of the
Photocatalytic degradation of methylene blue under visible light by cobalt ferrite nanoparticles/graphene quantum dots
Beilstein J. Nanotechnol. 2024, 15, 475–489, doi:10.3762/bjnano.15.43
- this study, we describe an eco-friendly facile hydrothermal method to prepare magnetic CF/GQDs nanocomposites. The CF nanoparticles, 8–10 nm in diameter, were highly dispersed in a graphene quantum dot matrix and directly formed at 200 °C. Stacking GQDs sheets onto the CF nanoparticles resulted in CF
- /GQDs nanoparticles. Magnetic properties, morphology, structure, and fluorescence of the nanocomposites were studied, and the photocatalytic degradation of methylene blue as a dye model and the mechanism of methylene degradation were also addressed. Experimental Materials Cobalt(II) nitrate hexahydrate
- the valence band to the conduction band (Equation 1). Hence, photoinduced electron transfer possibly takes place from CF to GQDs, which are excellent acceptors [39] (Equation 2). This retards the recombination of electrons and holes in the nanocomposites [40]. The photoinduced holes are, therefore
Classification and application of metal-based nanoantioxidants in medicine and healthcare
Beilstein J. Nanotechnol. 2024, 15, 396–415, doi:10.3762/bjnano.15.36
- sites are responsible for the adsorption, activation, and dissociation of the reactants, while the desorption occurs at the gold sites. The combination of multiple metals significantly improves the catalytic efficiency through synergistic effects. The nanocomposites not only disrupt the redox
- combinational approach decreases both ROS levels and inflammation [150][151]. Moreover, though excellent ROS scavenging, metal and metal oxide effectively protect miRNA146a from oxidative damage [152][153]. However, intradermal injection is required to deliver the antioxidant nanocomposites into the body, which
- hydrogels (such as gelatin methacryloyl, chitosan/polycaprolactone, polyvinyl alcohol/chitosan, and polypyrrole-grafted gelatin) were combined to generate diverse combinations of nanocomposites for wound repair [156][157][158][159][160][161]. This strategy not only endows nanoantioxidants with topical
Vinorelbine-loaded multifunctional magnetic nanoparticles as anticancer drug delivery systems: synthesis, characterization, and in vitro release study
Beilstein J. Nanotechnol. 2024, 15, 256–269, doi:10.3762/bjnano.15.24
- ]. Many well-designed agents have been developed for photothermal therapy, including carbon, metal, and organic nanocomposites [21]. Due to their superparamagnetic and heating potential, Fe3O4 nanoparticles have recently garnered attention, particularly in photothermal therapy research. Dopamine (DA) is a
Modification of graphene oxide and its effect on properties of natural rubber/graphene oxide nanocomposites
Beilstein J. Nanotechnol. 2024, 15, 168–179, doi:10.3762/bjnano.15.16
- nanocomposites prepared with the same amount of GO, GO-VTES(a), and GO-VTES(b) were characterized with tensile tests and dynamic mechanical tests. The stress at break of DPNR/GO-VTES(a) and DPNR/GO-VTES(b) was 5.2 MPa and 4.3 MPa, respectively, which were lower than that of DPNR/GO. However, it exhibited higher
- strength for NR. On the other hand, the grafting of nanofiller onto NR to prepare NR nanocomposites has been recently discovered. Nanofillers, such as nanosilica and derivates of nanocarbon, are the most well-known fillers that have been used in rubber technology. Nanosilica has been known to reduce the
- -glycidyloxypropyltrimethoxysilane used in epoxy nanocomposites [27] or reduced GO/vinyltrimethoxy silane used in low-density polyethylene nanocomposites [28]. Additionally, Charoenchai et al. [29] prepared a hybrid silica/graphene oxide, GO/VTES, catalyzed under basic conditions. The hybrid filler was introduced into the NR matrix
Nanotechnological approaches in the treatment of schistosomiasis: an overview
Beilstein J. Nanotechnol. 2024, 15, 13–25, doi:10.3762/bjnano.15.2
- , repositioned drugs, and other compounds. Percentage of types of nanosystems used in the selected articles. The graph considers a total of 65 articles found and displays the percentage of them that utilizes the differents nanosystems: liposomes, lipid nanocapsules, nanosuspensions, nanocomposites, inorganic
Sulfur nanocomposites with insecticidal effect for the control of Bactericera cockerelli
Beilstein J. Nanotechnol. 2023, 14, 1106–1115, doi:10.3762/bjnano.14.91
- de Nanociencia y Nanotecnología (CENCINAT), Universidad de las Fuerzas Armadas – ESPE, Av. General Rumiñahui 171-5-231B, Sangolquí, PO Box 171-5-231B, Ecuador 10.3762/bjnano.14.91 Abstract The purpose of this research was to synthesize nanocomposites consisting of sulfur nanoparticles coated with
- rosemary essential oils with the three concentrations of 0.25%, 0.5%, and 0.75%. The samples were characterized by UV–visible spectroscopy, energy-dispersive X-ray spectroscopy, transmission electron microscopy, and scanning electron microscopy. The insecticidal efficacy of the nanocomposites was evaluated
- in the entomology laboratory 24, 48, and 72 h after application. Furthermore, efficacy was compared to the commercial insecticide thiamethoxam (0.25%) and a control. The results show that eucalyptus nanocomposites with oil concentrations of 0.25%, 0.5%, and 0.75% and rosemary nanocomposites with an
Nanoarchitectonics of photothermal materials to enhance the sensitivity of lateral flow assays
Beilstein J. Nanotechnol. 2023, 14, 988–1003, doi:10.3762/bjnano.14.82
- material [75]. For example, nanocomposite materials have been developed by combining noble metal nanoparticles (Au–Ag, Au–Pt, and Au–Ag–Pt) or hybrids of noble metals, metals, and/or carbon materials (Au–Fe, Au–carbon, and Au–Fe–carbon). The resultant nanocomposites exhibit properties of all constituents
- [74][76]. Au-based nanocomposites have been widely applied in the field of biosensor development because of their wide absorption and excellent light-to-heat conversion properties. Core–shell nanoparticles have a higher PCE than gold nanospheres [77]. Variations in the optical properties were observed
- . After irradiation with a laser source for 4 min, there was a temperature increase up to 45.7 °C [80]. Fe3O4@Au nanocomposites showed a better PCE than their individual constituents and were applied for the detection of the antigen ochratoxin A (OTA) in a competitive LFA. The magnetic material in the
Silver nanoparticles loaded on lactose/alginate: in situ synthesis, catalytic degradation, and pH-dependent antibacterial activity
Beilstein J. Nanotechnol. 2023, 14, 781–792, doi:10.3762/bjnano.14.64
- nanocomposites using saccharides, such as alginate, cyclodextrin, and lactose. This method allows for the loading of metallic ions onto the nanocomposite, followed by their reduction to nanoparticles [36][37]. The nanocomposite matrix can release silver in appropriate environments, exhibiting pH-dependent
- antibacterial activity. Results and Discussion Synthesis of AgNPs@Lac/Alg Our recent work has demonstrated the successful synthesis of AgNPs using a two-step process involving loading and reduction, resulting in nanocomposites composed of alginate and cyclodextrins [36][38]. In the first step, silver ions were
- values up to 140 min. Throughout the synthesis process, the λmax values showed a slight increase, which confirms the critical role of reaction time in the synthesis of stable nanocomposites. To assess the impact of silver ion concentration, ratios of silver ions to gel in the range of 0.1–0.7 (w/w) were
Control of morphology and crystallinity of CNTs in flame synthesis with one-dimensional reaction zone
Beilstein J. Nanotechnol. 2023, 14, 741–750, doi:10.3762/bjnano.14.61
- . Overall, CNT/epoxy nanocomposites with superior mechanical properties are preferred [4]. Scarselli et al. [5] synthesized CNTs with a three-dimensional network using a sulfur enhancer and, thus, created a porous product capable of adsorbing oils. Furthermore, CNT networks have a high potential to be
A graphene quantum dots–glassy carbon electrode-based electrochemical sensor for monitoring malathion
Beilstein J. Nanotechnol. 2023, 14, 701–710, doi:10.3762/bjnano.14.56
- -area to volume ratio to provide enhanced analyte interaction with the sensing surface [14]. Carbon-based nanomaterials and nanocomposites are being investigated for the electrochemical detection of a variety of pesticides, including organophosphates, organochlorines, and carbamates [15][16][17]. The
Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review
Beilstein J. Nanotechnol. 2023, 14, 631–673, doi:10.3762/bjnano.14.52
- nanocomposites. Because of their large surface area, ordered structure, tunable physico-chemical properties, and good absorbability, MOFs exhibit high potential among the various materials used for electrochemical sensor electrodes [63]. Strong interactions between the functional groups of MOFs and the target
ZnO-decorated SiC@C hybrids with strong electromagnetic absorption
Beilstein J. Nanotechnol. 2023, 14, 565–573, doi:10.3762/bjnano.14.47
- graphene) may be easier because of the abundance of oxygen functional groups (e.g., carboxyl or hydroxy groups) on the carbon surface [26][31][32], in comparison to pure SiC. The introduction of carbon may help to further adjust the electromagnetic parameters and performance of SiC@ZnO nanocomposites
Carbon nanotube-cellulose ink for rapid solvent identification
Beilstein J. Nanotechnol. 2023, 14, 535–543, doi:10.3762/bjnano.14.44
- sensing, as electromagnetic shielding, and as thermoelectric material [32][33][34][35][36][37][38]. Also, Qi et al. reported a liquid-water sensor based on carbon nanotube–cellulose composite films, and, more recently, Goodman et al. reported the scalable manufacturing of nanocomposites for liquid sensing
Nanoarchitectonics to entrap living cells in silica-based systems: encapsulations with yolk–shell and sepiolite nanomaterials
Beilstein J. Nanotechnol. 2023, 14, 522–534, doi:10.3762/bjnano.14.43
- biocompatible nanocomposites by assembly to diverse biopolymers [5][27][28] that can be of crucial advantage for entrapment and viability of the cells. Initial entrapping trials using sepiolite clay derivatives have yielded encouraging results. Hence, this approach has been considered here [29]. On the other
- been disinfected with alcohol and sterilized with the ultraviolet light attached to the hood. Biohybrid sepiolite–biopolymer nanocomposites materials have been prepared adapting a protocol developed in-house previously [8]. A sepiolite slurry (10% w/v clay/water) was mixed with a concentrated
- bright-field mode were recorded. UV–vis spectroscopic measurements were conducted on a Shimadzu UV-1201 UV–vis spectrophotometer. Macroscopic view of prepared biohybrid materials. (A–C) Sepiolite–biopolymer nanocomposites entrapping cyanobacteria (Synechococcus elongatus PCC 7942) in diverse
Plasmonic nanotechnology for photothermal applications – an evaluation
Beilstein J. Nanotechnol. 2023, 14, 380–419, doi:10.3762/bjnano.14.33
- nanocomposites. A detailed investigation of the essential, but often ignored, concept of thermal, chemical, and aggregation stability of nanoparticles is another part of this review. The challenges that remain, as well as prospective directions and chemistries, regarding nanomaterials for PT conversion are
Quercetin- and caffeic acid-functionalized chitosan-capped colloidal silver nanoparticles: one-pot synthesis, characterization, and anticancer and antibacterial activities
Beilstein J. Nanotechnol. 2023, 14, 362–376, doi:10.3762/bjnano.14.31
- , especially chitosan–silver nanocomposites, which yield a new type of nanoparticles, has raised more attention regarding eco-friendly properties and applications in nanomedicine and environmental remediation. Syntheses of chitosan, silver, and quercetin alone or in binary combinations, that is, chitosan
- –silver [46][47], chitosan–quercetin [48][49], and silver–quercetin nanoparticles [50][51], are well known. For instance, chitosan–silver nanocomposites, which have been synthesized through bio-inspired and photosynthesis, exhibited significant antioxidant, photocatalytic, and antibacterial activities, in
Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes
Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26
- -scheme photocatalytic system. Li et al. [42] constructed spindle-shaped BiVO4-RGO-g-C3N4 Z-scheme photocatalysts for the highly effective degradation of antibiotics. The 1-D Z-scheme ternary nanocomposites had a very high photooxidation response. According to the authors, ciprofloxacin and tetracycline
- turn improves the photocatalytic activity of the nanocomposites. Additionally, to maximise the effectiveness of the transfer/separation of photogenerated carriers, noble metals (such as Pt, Ag, and Au) are typically used to induce surface plasmon resonance effects in photocatalysts [146]. However
- , the Schottky potential barrier, and efficiently separated photoinduced charge carriers. Table 8 provides a summary of the research on heterojunction photocatalysts for the degradation of antibiotics. Bismuth nanocomposites: A nanocomposite is a multiphase material (typically a solid) with one to three
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