Silica Nanoparticles: Morphology and Applications. Luiza Schwartz Dias & Annelise Kopp Alves. Chapter. First Online: 22 October 2021. 1042 Accesses. 2 …

Epoxy-modified silica nano-composite coating showed the self-cleaning effect. So, it can be concluded that epoxy-modified silica nano-composite coating can be used as a self-cleaning and anti-icing coating for power transmission line, aircraft wings, wind turbines, and suspension bridge cables applications. CRediT authorship …

open access. Highlights. •. Fabrication of 3D silica nanostructures via DNA assembly and templating. •. In situ micro-compression testing to examine the mechanical …

A detailed investigation was conducted to analyse the mechanical and durability features of a mixture of binary cement concrete modified with nanomaterials. In the context of the concrete matrix, the substitution of fractional cement content was carried out using Nano silica (NS) at concentrations of 1%, 2%, and 3%. Four distinct …

Introduction. Since silica nanoparticles are highly dependent on structural characteristics such as size, shape, and so forth [1], [2], [3], [4], perfect control of the …

Therefore, this study aims to investigate the properties of mortar by incorporating nano silica (NS) within the range of 1% to 7%, varying the molarity from 2 M to 8 M, and …

2.2. Experimental process for preparation of nano-silica. The experimental systems (equipment) used in this study encompass a system for generating magnetic fields and a versatile microwave extractor with access to both microwave and ultrasonic fields, as detailed in the supporting document (Figure S1∼S2 and related text).The K 2 SiO 3 …

Nano-silica, nano-graphene, and other nano-based materials have been proposed for use as alternative mud additives. A nanomaterial-based mud system is defined as that mud containing at least one additive with particle size in the range of 1–100 nm (Amanullah et al., 2009). It is based on the number of nano-sized additives in the mud system.

The use of nano fertilizers opens up new approaches to precision farming and sustainable agriculture. This paper will discuss the application of silica nanoparticles in plant growth and plant ...

In this study, nano-silica (SiO 2)/polymethylvinylsiloxane (PMVS) DE composite with strong interfacial interaction for DEG with extremely high energy density (w), high power conversion efficiency (PCE) and long N FL was prepared by designing and synthesizing a new polar macromolecule coupling agent (MCA), ester group grafted …

Hyaluronan-based nano-formulation with mesoporous silica enhances the anticancer efficacy of phloroglucinol against gastrointestinal cancers Int J Biol Macromol. 2024 Mar 13 ... HA-receptor mediated endocytosis than FITC-labeled-MSN-PG without HA modification in CD44+ gastrointestinal cancer cell lines. The ability of MSN-PG-HA to target CD44 ...

Nano-patterned silica surface (a) in 3-dimensional view. (b) Different size surface patterns. ariation of the wetting angle on the R 1 surface for different size droplets with a constant base ...

In vivo integrity and biological fate of chelator‐free zirconium‐89‐labeled mesoporous silica nanoparticles. ACS Nano, 9 (8), 7950–7959. 10.1021/acsnano ... Cytotoxic and genotoxic evaluation of different synthetic amorphous silica nanomaterials in the V79 cell line. Toxicology and Industrial Health, 32 (9), 1639–1650. 10.1177 ...

Effects of nano-silica on the cell line E10. To verify the results from the PCLS we analysed the influence of nano-silica on the alveolar epithelial cell line E10. Also we determined the dose-dependency of cytotoxicity by using 3 concentrations of nano-silica: 50, 100 and 200 µg/cm 2.

Nanomaterials exhibit novel properties and profound attributes as an additive in asphalt binder modification. However, the application of nano-silica in asphalt binders and mixture modification is still limited, and further research is required. Along these lines, in this work, nano-silica with a content from 2% to 8% and an increment of 2% was …

Mesoporous silica nanoparticles (MSNs) have the ability to load a wide variety of fluorescent molecules while protecting dye molecules from harsh …

The open markers represent experimental data for uncoated powders, whereas the solid markers denote experimental data for powders dry coated with R972P nano-silica. The dashed line is the best-fit power-law line for uncoated powders, for which the FFC values are reasonably correlated with particle size.

Silica nanoparticles (Si-NPs) are widely explored in biomedical applications due to their high surface area, excellent biocompatibility, and tunable pore size. The …

ACS Nano. 2010 Aug 24;4(8):4539-50. doi: 10.1021/nn100690m. ... we report that mesoporous silica nanoparticles (MSNP) can be functionalized to effectively deliver a chemotherapeutic agent doxorubicin (Dox) as well as Pgp siRNA to a drug-resistant cancer cell line (KB-V1 cells) to accomplish cell killing in an additive or synergistic fashion. ...

The results indicated that the epoxy-modified silica nano-composite coating showed hydrophobic (CA, 141°), anti-icing, and self-cleaning properties. ... In the past, when these reinforced lines ...

Such cells are more sensitive investigation tools than usually applied cells from the continuous lines ... and amount of chemical active groups on the surface strongly influence the biological response of cells to the nano-silica filled materials. They include: the particles of the high specific surface silica (hss-SiO 2) ...

93 Citations. 125 Altmetric. Metrics. Abstract. Fabricating inorganic materials with designed three-dimensional nanostructures is an exciting yet challenging area of …

Nano silica (NS) and three types of nano waste materials; nano glass waste (NGW), nano rice husk ash (NRHA) and nano metakaolin (NMK) are prepared in nano sized scale, in our laboratory as ...

The nano-silica particle dimension averages employed in the investigation was about 100 nm. Normal concrete: In the study, nano-silica was utilized at different weight percentages, including 0%, 5%, 15%, and 20%. The ability of compression and frost resistance increases by 20% when nano-SiO 2 concentration is 10% compared to …

1. Introduction. Nano silica sol is a kind of grouting material made up of nanometer particles that is highly transmissive [ 1 ]; it has been used in the geotechnical field in recent years [ 2 ]. Jurinak [ 3] developed a practical fluid-flow control system based on colloidal silica gel for oilfield reservoirs.

The nanomaterials are several types such as nano-TiO 2, nano Al 2 O 3, nano SiO 2, nano-Fe 2 O 3, carbon nanotubes etc. Among them, nano silica is being used widely in cement and concrete for ...

As in-line with experiments with suspension of activated carbon, experiments with nano-silica were also conducted over two timeframes post-hydrate crystallization (9.5 h and 24 h). ... Nano-silica, however, did not have any significant effect on hydrate formation kinetics as compared to activated carbon, though the gas consumption was …

The average value of each test line in the bonding interface transition zone was calculated, ... Nano silica particles are approximately spherical in shape and are more likely to migrate with water in the gaps between non nano particles [49]. Finally forming a nanoparticle enrichment layer at the interface between the new and old concrete, and ...

Silica- and Silicon-Based Nanostructures. As depicted in Figure 1, studies on silicon and silica-based nanostructures first appeared in the early 1990s, and their numbers grew until the mid-2010s. Since then, the level of scientific research has decreased for silica-based nanostructures and started to decrease for silicon-based nanostructures.

Man-made silica is typically amorphous and manufactured in tonnage quantities for commercial use and, more recently, for burgeoning medical applications, …

Nano-silica (NS) or silicon dioxide is a product of micro-based silica. NS has the same advantages of silica fume and micro-silica based on strength and durability. However, the advantage of NS is rapid early strength-gain in comparison to micro-silica (Qing et al., 2007). The reason is that the higher surface area in NS increases the rate of ...

The contact angle measurement was performed for 0, 23, 33 and 44% nanosilica in silicone rubber. As illustrated in Fig. 2, the contact angles of the samples were investigated to obtain 98°, 123°, 133°, 96°, respectively. Fig. 3 showed the relation between the silica concentration and contact angle. It can be observed that the hydrophobicity of …

Nano-silica powder is often used as a sintering additive, because of the small grain size of nano-silica, which has a larger surface energy and surface area. ... and the blue line represents the crack propagation route. When the nano-silica content was 0%, the fracture mode was intergranular fracture, as shown in Fig. 12 e.

Line Spacing: Column Width: ... Meanwhile, nano-silica was observed at the shell, which also indicated that the core material had been coated with nano-silica. Figure 5 displays the particle size distribution of microcapsules in deionized water, and the particle size distribution curve showed a single peak, which indicated that the …

The nano-silica material utilized in this investigation was synthesized from rice straw using the Sol–Gel method, involving the refluxing of rice straw ash with sodium …

Materials. Natural rubber (SMR20) as the base rubber matrix was prepared from Tiong Huat Rubber, Thailand. Precipitated silica (Ultrasil VN3) with an average particle diameter of 13 nm and a specific BET surface area of 180 m 2 /g was obtained from Evonik–Degussa AG, Germany. Also, the TESPT-modified type of silica mentioned …