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Relevant bibliographies by topics / Surface-Modification of silica nanoparticles

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Journal articles

Academic literature on the topic 'Surface-Modification of silica nanoparticles'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Surface-Modification of silica nanoparticles"

1

Jenie, Aisyiyah S. N., Fransiska S. H. Krismastuti, Yudia P. Ningrum, et al. "Geothermal silica-based fluorescent nanoparticles for the visualization of latent fingerprints." Materials Express 10, no. 2 (2020): 258–66. http://dx.doi.org/10.1166/mex.2020.1551.

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The development of silica nanoparticles from the waste of geothermal power plants and their subsequent modification using a fluorescent dye, rhodamine 6G (R-6G), has been reported. The optimum specific surface area of the silica nanoparticles before modification was 289.2 m2 g–1. After modification, the intrinsic properties of the fluorescent silica nanoparticles were studied, and the results showed that they were in their amorphous phase, with a particle size of 5–10 nm. We proposed that the interaction between R-6G and the silica nanoparticle surface was due to the hydrogen bonding, using th

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2

Pelto, Jani, Tony Munter, Outi Härkki, and Juha Sarlin. "Surface Modification of Nanosilica for PP Composites." Materials Science Forum 714 (March 2012): 91–98. http://dx.doi.org/10.4028/www.scientific.net/msf.714.91.

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Due to its high purity, favourable surface chemistry and huge specific surface area, fumed silica nanoparticlesare suitable inorganic nanoscopic templates for organic modification and nanocomposite studies. Polypropylene offers good properties with low or moderate cost for many technical applications, such as for solid dielectrics. Polypropylene and hydrophilic silica nanoparticles have inherently dissimilar surface chemistries and organic modification of the silica is usually needed to achieve good mixing and nanocomposite properties. Thetarget is to study robust grafting methods which can be

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3

Ellateif, Tayseir M. Abd, Saikat Mitra, T. Murugesan, and Khairun Azizi Azizli. "Preparation and Characterization of Hydrophobic Silica Zirconium Nanoparticles." Applied Mechanics and Materials 625 (September 2014): 503–8. http://dx.doi.org/10.4028/www.scientific.net/amm.625.503.

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Hydrophobic silica nanoparticles were synthesized by silica sols modified with different percentage of zirconium sol using liquid modification. The hydrophobicity test demonstrated that silica zirconium nanoparticles are more hydrophobic as they showed 1% to 5% weight gain compared to 8% for pure silica nanoparticles. The synthesized silica nanoparticles were characterized using different techniques to investigate the effect of zirconium modification on silica nanoparticles characteristics. Structure and composition of unmodified silica nanoparticles and modified one were studied using FTIR; t

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4

Kil, Dae-Sup, Hee-Dong Jang, Han-Kwon Chang, et al. "Surface Modification Silica Nanoparticles by Aerosol Self Assembly." Korean Journal of Materials Research 20, no. 2 (2010): 78–81. http://dx.doi.org/10.3740/mrsk.2010.20.2.78.

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5

Park, Jung Tae, Jin Ah Seo, Sung Hoon Ahn, Jong Hak Kim, and Sang Wook Kang. "Surface modification of silica nanoparticles with hydrophilic polymers." Journal of Industrial and Engineering Chemistry 16, no. 4 (2010): 517–22. http://dx.doi.org/10.1016/j.jiec.2010.03.030.

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6

Dai, Caili, Shilu Wang, Yuyang Li, et al. "The first study of surface modified silica nanoparticles in pressure-decreasing application." RSC Advances 5, no. 76 (2015): 61838–45. http://dx.doi.org/10.1039/c5ra09883a.

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7

Brassard, Jean Denis, Dilip K. Sarkar, and Jean Perron. "Surface Modification and Functionalization of Oxide Nanoparticles for Superhydrophobic Applications." Advanced Materials Research 409 (November 2011): 469–73. http://dx.doi.org/10.4028/www.scientific.net/amr.409.469.

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Oxide nanoparticles have tremendous technological applications in the present days in diverse fields. In this study, the surface modification and functionalization of hydrophilic silica (SiO2) and zinc oxide (ZnO) nanoparticles were performed to obtain superhydrophobicity. Monodispersive nanoparticles of SiO2were prepared by Stöber process using tetraethoxysilane (Si (OC2H5)4) as a precursor and ammonium hydroxide as a catalyst in a ethanolic solution. The surface modification of the silica nanoparticles were performed using fluoroalkylsilane (FAS-17: C16H19F17O3Si) molecules to obtain fluorin

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8

Lee, A.-Rang, Kibeom Nam, Byeong Jun Lee, et al. "Hepatic Cellular Distribution of Silica Nanoparticles by Surface Energy Modification." International Journal of Molecular Sciences 20, no. 15 (2019): 3812. http://dx.doi.org/10.3390/ijms20153812.

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The cellular distribution of silica nanoparticles (NPs) in the liver is not well understood. Targeting specific cells is one of the most important issues in NP-based drug delivery to improve delivery efficacy. In this context, the present study analyzed the relative cellular distribution pattern of silica NPs in the liver, and the effect of surface energy modification on NPs. Hydrophobic NP surface modification enhanced NP delivery to the liver and liver sinusoid fFendothelial cells (LSECs). Conversely, hydrophilic NP surface modification was commensurate with targeting hepatic stellate cells

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9

Wahyuningsih, Kendri, Sri Yuliani, and Hoerudin Hoerudin. "Characteristics of Silica Nanoparticles from Rice Husk as Influenced by Surface Modification with Used Solvent Containing Silane." Journal of Engineering and Technological Sciences 53, no. 4 (2021): 210403. http://dx.doi.org/10.5614/j.eng.technol.sci.2021.53.4.3.

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Silica extracted from rice husk (silica nanoparticles, Si-NP RHA) has great potential for industrial use, particularly as filler in the rubber industry. However, silica is poorly dispersed in the matrix and needs to be modified by a silane linking agent (bis-(3-triethoxysilylpropyl) tetrasulfane (TESPT)) to improve its mixing properties. As a result, a large amount of used solvent containing silane TESPT is produced. This study aimed to evaluate the surface modification of silica nanoparticles from rice husk employing this used solvent and to characterize the particles’ physical properties. Si

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10

Jung, Hak-Sung, Doo-Sik Moon, and Jin-Kyu Lee. "Quantitative Analysis and Efficient Surface Modification of Silica Nanoparticles." Journal of Nanomaterials 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/593471.

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Aminofunctional trialkoxysilanes such as aminopropyltrimethoxysilane (APTMS) and (3-trimethoxysilylpropyl)diethylenetriamine (DETAS) were employed as a surface modification molecule for generating monolayer modification on the surface of silica (SiO2) nanoparticles. We were able to quantitatively analyze the number of amine functional groups on the modified SiO2nanoparticles by acid-base back titration method and determine the effective number of amine functional groups for the successive chemical reaction by absorption measurements after treating with fluorescent rhodamine B isothiocyanate (R

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