Fig. 2: Total number concentration of aerosolised particles as measured with the OPSS.
From: Aerosolisation of microalgae: unveiling dimethyl-sulfide emissions during bubbling

a results for freshwater (FW) microalgae; b results for saltwater (SW) microalgae. Different experiments are specified with different markers and settings for the bubble generation are specified by colour: SJ9 in blue and MJ3 in orange.