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Fig. 1 | BMC Plant Biology

Fig. 1

From: Quantitative macromolecular patterns in phytoplankton communities resolved at the taxonomical level by single-cell Synchrotron FTIR-spectroscopy

Fig. 1

Calibration plot obtained from the PLSr models developed for the determination of proteins (a), carbohydrates (b) and lipids (c) calibrated using bench-top FTIR-spectra and “wet” biochemical assays as a reference method. Open symbols correspond to 15 °C, closed symbols to 25 °C. Each model was calibrated using three phytoplankton species (a diatom [circle], a cyanobacterium [square] and a green alga [triangle]) grown at two temperatures (15 °C and 25 °C). The macromolecule content is expressed as % of dry weight and the R2 for each regression is reported. The number of PLSr-PCs used was 7

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