Journal ArticleDOI
Controlled growth of monodisperse silica spheres in the micron size range
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TLDR
In this article, a system of chemical reactions has been developed which permits the controlled growth of spherical silica particles of uniform size by means of hydrolysis of alkyl silicates and subsequent condensation of silicic acid in alcoholic solutions.About:
This article is published in Journal of Colloid and Interface Science.The article was published on 1968-01-01. It has received 12884 citations till now. The article focuses on the topics: Stöber process & Silicic acid.read more
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Novel applications of solid and liquid formulations of nanoparticles against insect pests and pathogens
TL;DR: Nanoparticles are of special interest because of their markedly different physico-chemical properties than their bulk counterparts as discussed by the authors, and the use of these novel agents to combat real life agricultural and medical issues important to Indian subcontinent.
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Surface modified magnetic Fe3O4 nanoparticles as a selective sorbent for solid phase extraction of uranyl ions from water samples.
TL;DR: In this study, silica-coated magnetic nanoparticles modified with quercetin were synthesized by a sol-gel method as a new solid phase sorbent for extraction of uranyl ions from aqueous solutions.
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Mesoporous Silica Hollow Spheres with Ordered Radial Mesochannels by a Spontaneous Self-Transformation Approach
Zhaogang Teng,Xiaodan Su,Yuanyi Zheng,Jing Sun,Guotao Chen,Congcong Tian,Jiandong Wang,Hao Li,Yane Zhao,Guangming Lu +9 more
TL;DR: In this paper, a self-transformation approach for the synthesis of ordered mesoporous silica hollow spheres with radially oriented mesochannels was demonstrated, in which mesostructured silica spheres synthesized in a Stober solution can spontaneously transform to hollow structure when they are incubated with water.
Journal ArticleDOI
Surface Functionalization of Silica Nanoparticles Supports Colloidal Stability in Physiological Media and Facilitates Internalization in Cells
Christina Graf,Qi Gao,Irene Schütz,Christelle Njiki Noufele,Wentao Ruan,Uta Posselt,Elena Korotianskiy,Daniel Nordmeyer,Fiorenza Rancan,Sabrina Hadam,Annika Vogt,Jürgen Lademann,Volker Haucke,Eckart Rühl +13 more
TL;DR: The results indicate that a high colloidal stability of nanoparticles combined with an initial charge-driven adsorption on the cell membrane is essential for efficient cellular uptake.
References
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Journal ArticleDOI
Electron Microscopy of Monodisperse Latexes
E. B. Bradford,J. W. Vanderhoff +1 more
TL;DR: In this article, a series of monodisperse polystyrene latexes has been prepared by carefully controlled emulsion polymerizations. The particle diameters of three of these latexes were determined by electron microscopy.
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Aerosil, Herstellung, Eigenschaften und Verhalten in organischen Flüssigkeiten
Ernst Wagner,Brunner Helmut F +1 more
TL;DR: Aerosil, ein sehr reines, koaguliertes Siliciumdioxyd-Aerosol with Teilchen von 10 bis 40 mμ Durchmesser, wird durch Flammenhydrolyse von siliciumtetrachlorid gewonnen as discussed by the authors.