Table 4.

Rate of biomass increase, average specific growth rate, and yield inhibition of algal cells during 72-hour exposure to different concentrations of AgNWs and AgNPs.

NMs	Conc. (mg/L)	Rate of cell biomass increase	Y a	%Iyb	µ 0–72c	%Ird
AgNWs	Control (0)	22.25 ± 2.47	221,660	0	0.043 ± 0.001	0
	Vehicle control	18.6 ± 1.50	175,830	20.7	0.040 ± 0.001	6.98
	0.25	18 ± 0.5	170,000	23.3	0.040 ± 0.000	7.93
	0.5	15.56 ± 0.11	145,833	34.2	0.038 ± 0.000	12.5
	1	8.23 ± 0.25	72,500	67.3	0.029 ± 0.000	32.8
	2	3.96 ± 0.25	30,000	86.5	0.019 ± 0.000	55.9
	4	3.03 ± 0.28	19,167	91.4	0.014 ± 0.001	66
	8	1.5 ± 1.21	5,500	97.5	−0.001 ± 0.021	103
AgNPs	Control (0)	73.67 ± 7.17	726,667	0	0.060 ± 0.001	0
	0.25	10.83 ± 1.13	98,333	86.5	0.033 ± 0.001	44.6
	0.5	7.25 ± 1.39	62,500	91.4	0.027 ± 0.003	54.2
	1	3.25 ± 0.25	22,500	96.9	0.016 ± 0.001	72.6
	2	1.83 ± 0.38	8,333	98.9	0.008 ± 0.003	86.2
	4	1.33 ± 0.14	3,333	99.5	0.004 ± 0.001	93.4
	8	0.75 ± 0.25	−2,500	100.3	−0.005 ± 0.004	107.6

Y ^a: logarithmic growth rate; %Iy^b: percent of yield inhibition; µ _0–72^c: average specific growth rate from time 0 to 72; %Ir^d: percent of average specific growth rate inhibition. Data are presented as mean ± standard deviation.