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. 2021 Jul 30;7(8):e07676. doi: 10.1016/j.heliyon.2021.e07676

Table 1.

The growth rate and ODmax of Spirulina sp. over a period of 30 days. The letters indicate significance of different treatments between different type of microplastic applied (P < 0.05). Values represent mean ± standard error (n = 3).

System ODmax Growth rate (day−1)
Sp control 0.994 ± 0.015 0.0312 ± 0.0076a
Sp + PE 0.912 ± 0.021 0.0221 ± 0.0081b
Sp + PP 0.886 ± 0.009 0.0228 ± 0.0074b