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Fig. 4 | Biotechnology for Biofuels and Bioproducts

Fig. 4

From: Microalgal photoautotrophic growth induces pH decrease in the aquatic environment by acidic metabolites secretion

Fig. 4

OPLS-DA analysis and composition of DOM in the aquatic environment from EG compared to CV in the negative ion mode. A The OPLS-DA analysis; B the composition of DOM from CV aquatic environment; C the composition of DOM from EG aquatic environment; DOM, dissolved organic matter. As the test group, EG1, 3, 6 represents the total metabolite peaks from EG aquatic environment on the 1, 3, and 6 days of cultivation; as the control group, CV1, 3, 6 represents the total metabolite peaks of CV aquatic environment on the 1, 3, and 6 days of cultivation. EG: E. gracilis; CV: C. vulgaris

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