Dispersions of Engineered Nanoparticles in Physiological Liquids

Abstract:

Increasing production of nanomaterials makes the study of nanoparticles fate in the environment of immediate interest. Nanomaterials are known to radically change their properties when released into the environment. In this work, the ability of nanoparticles to form stable dispersions in physiological solutions has been demonstrated. The dispersions were prepared by mixing nanopowders of zinc (13.58 m²/g), copper (24.66 m²/g), aluminum oxides (54.75 m²/g), and zirconium dioxide (8.10 m²/g) with phosphate buffered saline, an isotonic solution of glucose and artificial lysosomal fluid. With the help of laser diffraction method and transmission electron microscopy it was shown that unstable suspensions (with the dispersoid size of 6...49 μm) and aggregative-stable lyosols (with the particles size of 20...300 nm) were formed in dispersions of nanoparticles in physiological media.

• Periodical: Advanced Materials Research (Volume 1085)
• Pages: 363-369
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1085.363
• Online since: February 2015
• Authors: Anna Godymchuk, Elena Yunda, Natalia Kosova, Elizaveta Karepina, Denis Kuznetsov, Alexander Gusev, Evgenya Arzamastseva
• Keywords: Aggregation, Artificial Lysosomal Fluid, Dispersion, Environment, Glucose, Nanoparticle, Nanopowder, Phosphate Buffered Saline, Physiological Media, Sol

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