AI Article Synopsis
- Researchers cultured Chlorella vulgaris with varying concentrations of the plasticizer dibutyl phthalate (DBP) over 10 days to study its effects on cell density and lipid production.
- High DBP concentrations (50 and 100 mg/L) negatively impacted the cell density and lipid content of C. vulgaris, while low concentrations (5, 10, and 20 mg/L) enhanced growth and lipid accumulation.
- The study found that C. vulgaris could effectively remove DBP from water, suggesting its potential use for bioremediation in contaminated environments.
Article Abstract
In the present study, Chlorella vulgaris were cultured in the presence of the common plasticizer dibutyl phthalate (DBP) with different concentrations for 10 days. The cell density, DBP concentrations, neutral lipid concentrations, and lipid morphology in C. vulgaris were studied using optical microscopy, gas chromatography (GC), fluorescence spectrophotometry, and laser scanning confocal microscopy (LSCM). We observed that the neutral lipid contents and cell density of C. vulgaris were negatively influenced by DBP of high concentrations (50 and 100 mg/L), but significantly stimulated by DBP of low concentrations (5, 10, and 20 mg/L). Lipid bodies were destroyed into pieces by DBP of high concentrations (50 and 100 mg/L), but were slightly suppressed by DBP at low concentrations (5, 10, and 20 mg/L). Chlorella vulgaris treated with DBP (50 mg/L) for 2 days showed the highest removal efficiency (31.69%). The results suggested that C. vulgaris could be used in practice to remove DBP and has the potential of being oleaginous microalgae in DBP contaminated water.
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| http://dx.doi.org/10.1007/s00128-018-2385-6 | DOI Listing |
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