Real-Time and In Situ Evaluation of Phycocyanin Concentration in Spirulina platensis Cultivation System by Using Portable Raman Spectroscopy

Figure 7

(a) Correlation coefficients between each characteristic wavenumber and their response to the content of phycocyanin content in liquid (PCL); (b) least squares support vector machine (LSSVM) modeling process of characteristic peaks detected by the 405 nm portable Raman spectrometer system.

(a)

(b)