Competitive cellular uptake of nanoparticles made from polystyrene, poly(methyl methacrylate), and polylactide

Macromolecular Bioscience
Anita HöcherlAnna Musyanovych

Abstract

The uptake behavior of negatively charged fluorescent nanoparticles made from different polymers (PS, PMMA, and PLLA) is studied on HeLa cells. All particles are obtained by the miniemulsion process using sodium dodecylsulfate as anionic surfactant. The size of the particles is in the range 105-125 nm. Cell uptake is analyzed by flow cytometry and reveals a higher uptake of PLLA particles compared to PMMA and PS particles. In competitive uptake studies two different types of particles are co-incubated with the HeLa cells; the results indicate a mutual influence of the particles on their uptake behavior. A reduced internalization of PLLA particles in the presence of PS particles is observed, although neither the co-incubation of PMMA and PLLA nor of PMMA and PS shows similar effect.

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Citations

Feb 21, 2013·European Journal of Pharmaceutics and Biopharmaceutics : Official Journal of Arbeitsgemeinschaft Für Pharmazeutische Verfahrenstechnik E.V·Simone LerchVolker Mailänder
Dec 3, 2014·Colloids and Surfaces. B, Biointerfaces·Raffaele FerrariDavide Moscatelli
Aug 24, 2013·Macromolecular Bioscience·Anita HöcherlVolker Mailänder
Apr 24, 2021·Colloids and Surfaces. B, Biointerfaces·Asmaa ElzayatRafael Muñoz-Espí

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