Evaluation of the Response of HOS and Saos-2 Osteosarcoma Cell Lines When Exposed to Different Sizes and Concentrations of Silver Nanoparticles

Table 2

Average percentage values and standard deviations for HOS cell viability, when subjected to exposure of different concentrations of 7 nm and 60 nm AgNPs.

(a) MTT

7 nm	Control	10 ppm	5 ppm	2.5 ppm	1.25 ppm	0.625 ppm	0.3125 ppm
24 h	100.00 (±11.73)	4.50 (±0.50)	6.67 (±2.25)	94.39 (±12.36)	110.00 (±10.29)	88.33 (±13.45)	87.00 (±14.77)
48 h	100.00 (±5.42)	4.68 (±0.90)	8.25 (±7.03)	97.02 (±9.70)	95.04 (±23.89)	86.23 (±20.14)	80.20 (±2.10)
72 h	100.00 (±5.22)	10.11 (±2.69)	9.66 (±5.98)	72.93 (±4.93)	65.58 (±1.86)	74.29 (±7.92)	87.70 (±4.00)

(b) Average

60 nm	Control	10 ppm	5 ppm	2.5 ppm	1.25 ppm	0.625 ppm	0.3125 ppm
24 h	100.00 (±13.76)	5.00 (±1.20)	85.67 (±5.57)	92.33 (±4.65)	85.11 (±5.11)	80.56 (±1.73)	82.06 (±7.22)
48 h	100.00 (±2.89)	4.84 (±3.05)	77.54 (±6.17)	74.37 (±6.99)	81.39 (±14.76)	77.06 (±18.64)	80.16 (±6.01)
72 h	100.00 (±6.35)	12.88 (±9.85)	57.90 (±2.82)	56.13 (±3.23)	57.28 (±7.64)	71.77 (±11.89)	87.25 (5.65)