. 2019 Aug 19;9:12074. doi: 10.1038/s41598-019-48477-7

Table 1.

Bioconcentration factor (BCF^a) of freshwater phytoplankton used in this study.

Arsenic treatments (nmol L⁻¹)	Culture period (days)	Chlorophyceae			Charophyceae		Bacilariophyceae
Arsenic treatments (nmol L⁻¹)	Culture period (days)	Botryococcus braunii	Scenedesmus actus	Pediastrum duplex	Closterium aciculare	Staurastrum paradoxum	Achnanthidium minutissimum
Bioconcentration factors
20	7	86.0	13.8	14.5	9.9	84.6	4.4
20	21	28.3	6.9	12.0	9.8	37.0	3.8
1000	7	12.8	1.5	1.0	0.3	8.9	0.3
1000	21	0.8	0.1	0.3	0.1	3.6	0.1

^a $C F = \frac{C_{B}}{C_{W}}$ , where, C_B is the intracellular arsenic concentration per 1.0 g of cell dry weight and C_W is the arsenic concentration in culture media.