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Abstract
The study of the haemocompatibility of nanomaterials that could be in contact with blood (e.g. nanoparticle (NP)-based drug-delivery system) is of major importance. The primary objective of this study was to compare the ability of six platelet functional tests to assess the impact of NPs on platelet function. The secondary objective was to determine an accurate and reliable screening test to measure the potential impact of NPs on primary haemostasis whatever their physicochemical properties. Four types of carbon NPs (carbon black, fullerenes, single-walled carbon nanotubes and multi-walled carbon nanotubes) were investigated on six platelet function tests: light transmission aggregometry, whole-blood impedance aggregometry, platelet function analyser-100 (PFA-100®) and Cone-and-Plate(let) analyser (Impact-R®), transmission- and field emission gun scanning electron microscopy (FEG-SEM). We considered that Impact-R® supported by FEG-SEM is the reference method to investigate the potential impact of NPs on platelet function.
Acknowledgements
This work was financially supported by the “Direction Générale des Technologies de la Recherche et de l’Energie » (DGTRE) of the Walloon Region of Belgium (Nanotoxico Pole of Excellence, RW/FUNDP research grant N° 516252). This work was done with the technical support of DiaMed for the Impact-R® experiments. O. Toussaint is a Senior Research Associate of the Belgian FRS-FNRS. François Mullier is a research fellow of FRIA.