Meireles, Luís A.Azevedo, José L.Cunha, João P.Malcata, F. Xavier2011-10-222011-10-222002MEIRELES, Luís A....[et al] - On-Line Determination of Biomass in a Microalga Bioreactor Using a novel Computerized Flow Injection Analysis System. Biotechnology Progress. ISSN 1520-6033. Vol. 18 (2002), p. 1387-1391http://hdl.handle.net/10400.14/6816A flow injection analysis (FIA) device has been developed, which is able to assay successfully for biomass in a microalga bioreactor. The device is fully computerized and is operated via diluting small aliquots of the culture followed by measuring optical density (OD); this figure is then accurately correlated with biomass, in terms of both cell number and ash-free dry weight, during the entire culture time. Furthermore, the device is not expensive, is highly versatile, and is easy to operate owing to specifically developed, user-friendly software. The growth rate and biomass productivity of Pavlova lutheri, cultivated under batch and semicontinuous modes, were monitored as experimental testing model.engjournal article