Fig. 3From: Microfluidic techniques for enhancing biofuel and biorefinery industry based on microalgaeLipid biosensor. a The sensor is based on a coaxial line and a modified connector sealed at the reservoir side (b) for microalgae suspension characterization. c Frequency-dependent complex dielectric permittivity for different cellular lipids content. Images of confocal laser scanning microscopy showing Chlamydomonas reinhardtii cells: (i) high lipid content (15%), (ii) low lipid content (3%) [68]Back to article page