What is it about?
Polydimethylsiloxane based sorptive devices are light (floating at the surface of aqueous samples) and have a limited surface area. This results in incomplete contact with aqueous samples and slow adsorption kinetics due to dominant partiton mechanism in absorption of organic compounds of interest. A more developed porous structure of new material provides a better mass transfer, while embedded higher density microdiamond particles increase total density of material and it can sink in aqueous solutions to provide full contact with sample.
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Why is it important?
New material provides a better performance in terms of kinetics and recovery. Moreover it has a better thermostability, which is important for thermodesorption related analysis.
Perspectives
This material can be used in many different ways.
Professor Pavel N Nesterenko
M.V. Lomonosov Moscow State University
Read the Original
This page is a summary of: Development of polydimethylsiloxane-microdiamond composite materials for application as sorptive devices, Journal of Chromatography A, November 2019, Elsevier,
DOI: 10.1016/j.chroma.2019.460669.
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