Gold Nanonparticules (IMAGE) University of Montreal Caption The gold nanonparticules on the surface of this receiving tab modify the colour of light detected by the instrument. The captured colour perfectly reflects the exact concentration of the medication in the blood sample. Les nanoparticules d'or situées à la surface de la languette réceptrice modifient la couleur de la lumière détectée par l'instrument. La couleur captée reflète la concentration exacte du médicament contenu dans l'échantillon sanguin. Credit University of Montreal Usage Restrictions Credit source License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.