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Table 2 Distribution of A. cepa root tip cells treated with different the concentration of AgNPs

From: Biosynthesis, characterization, and in vitro assessment on cytotoxicity of actinomycete-synthesized silver nanoparticles on Allium cepa root tip cells

Sl. no.

Different concentrations of AgNPs

No. of cells counted

No. of dividing cells

Prophase

Metaphase

Anaphase

Telophase

Mitotic index [%]

Mean (± SD)

1

Control

Slide-1

348

278

244

21

8

5

79.88

65 ± 1.66%

Slide-2

412

210

187

14

7

2

50.97

Slide-3

350

284

254

11

10

9

81.14

Slide-4

372

180

154

15

9

2

48.38

2

25 μg/ml

Slide 1

409

274

262

7

3

2

66.99

60.1 ± 1.56%

Slide 2

397

196

174

10

5

7

49.37

Slide 3

378

170

154

9

4

3

44.97

Slide 4

325

257

250

1

4

2

79.07

3

50 μg/ml

Slide 1

355

178

167

5

5

1

50.14

50.74 ± 0.49%

Slide 2

382

205

193

7

4

1

53.66

Slide 3

390

195

184

8

3

0

50

Slide 4

370

182

166

9

5

2

49.18

4

75 μg/ml

Slide 1

405

162

161

1

0

0

40

41.35 ± 1.63%

Slide 2

368

134

130

3

0

1

36.41

Slide 3

389

137

131

1

3

2

35.21

Slide 4

340

183

179

1

2

1

53.82

5

100 μg/ml

Slide 1

368

111

109

1

1

0

30.16

28.99 ± 0.99%

Slide 2

391

106

105

1

0

0

27.10

Slide 3

409

122

122

0

0

0

29.82

Slide 4

339

98

97

0

1

0

28.90