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Your search keyword '"Kegel, Willem"' showing total 17 results
Start Over Author "Kegel, Willem" Publisher elsevier bv
17 results on '"Kegel, Willem"'

7. Morphology-controlled functional colloids by heterocoagulation of zein and nanoparticles

Author

Baars, Roel J., van Leeuwen, Y. Mikal, Hendrix, Yuri, Velikov, Krassimir P., Kegel, Willem K., Philipse, Albert P., Physical and Colloid Chemistry, Sub Physical and Colloid Chemistry, Sub Soft Condensed Matter, Soft Condensed Matter and Biophysics, Physical and Colloid Chemistry, Sub Physical and Colloid Chemistry, Sub Soft Condensed Matter, and Soft Condensed Matter and Biophysics

Subjects
Morphology (linguistics), Materials science, Aggregate (composite), Zein, Condensation, Composite number, Heterocoagulation, food and beverages, Nanoparticle, Sodium silicate, engineering.material, Silica coating, chemistry.chemical_compound, Colloid, Colloid and Surface Chemistry, Composite particles, chemistry, Coating, Chemical engineering, engineering, Nanoparticles
Abstract

A general and reproducible heterocoagulation method is presented to prepare sub-micron sized zein protein particles, loaded with negatively charged nanoparticles. These composite carrier particles can be obtained in three different morphologies, and each morphology can be prepared using nanoparticles of various size, shape and composition. An important feature of the zein composites is their long-term stability in water even in conditions where free nanoparticles often aggregate within days. Additionally, we modify the composite particles by coating them with a thin layer of silica via condensation of sodium silicate, opening possibilities for highly specific, functionalized carrier particles. Finally, the formation of hollow silica shells containing negatively charged nanoparticles is demonstrated, using the zein composites as a template.

Published
2015
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