Calcium nitrate and tetraethyl orthosilicate were taken as the source of calcium and silica.
Lakshmi R, Sasikumar S 2015, 'Influence of needle-like morphology on the bioactivity of nanocrystalline wollastonite– an in vitro study', International Journal of Nanomedicinehttps://www.dovepress.com/influence-of-needle-like-morphology-on-the-bioactivity-of-nanocrystall-peer-reviewed-article-IJN. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The hydrothermal co-condensation of tetraethyl orthosilicate and β-cyclodextrin-containing organosilanein the presence of cetyltrimethylammonium bromide template was employed.
Iryna Trofymchuk, Nadiia Roik, Lyudmila Belyakova 2017, 'Structural Variety and Adsorptive Properties of Mesoporous Silicas with ImmobilizedOligosaccharide Groups', Nanoscale Research Lettershttp://link.springer.com/article/10.1186/s11671-017-2072-2. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The paddry- bake process was employed for the coating where tetraethyl-orthosilicate and nano-titanium-dioxide were used as the activeingredients.
Awais Khatri, Farzana Arslan, Rafique Ahmed Jhatial 2013, 'Improvement in Tensile Strength of Bamboo Knitted Fabric by Sol-Gel Coating', Mehran University Research Journal of Engineering and Technologyhttp://publications.muet.edu.pk/research_papers/pdf/pdf791.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
An acid-catalyzed process that used tetramethyl orthosilicate as the precursor and aniline as a dopant yielded the silica.
J Widera, J.A Cox 2002, 'Electrochemical oxidation of aniline in a silica sol–gel matrix', Electrochemistry Communicationshttp://www.sciencedirect.com/science/article/pii/S1388248101002879. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, the silica nanoparticles obtained from sodium metasilicate are less studied than those obtained from tetraethyl orthosilicate.
Christian Chapa-González, Ana Laura Piñón-Urbina, Perla Elvia García-Casillas 2018, 'Synthesis of Controlled-Size Silica Nanoparticles from Sodium Metasilicate and theEffect of the Addition of PEG in the Size Distribution', Materialshttp://www.mdpi.com/1996-1944/11/4/510. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)