Research Article

Toxicity Analysis of Hybrid Nanodiamond/Fe3O4 Nanoparticles on Allium cepa L

Table 5

Quantitative measurements of occurrences of various chromosomal aberrations noticed in Allium cepa root exposed to Fe3O4, cND, and cND-Fe3O4.

Concentrations (μg mL−1L)NanoparticlesChromosomal breaks (%)Chromosomal bridges (%)Sticky chromosomes (%)Laggard chromosomes (%)Disturbed anaphase/metaphase (%)

Control0 ± 00 ± 00 ± 00 ± 00 ± 0

5Fe3O435.5 ± 2.541.2 ± 2.826.7 ± 1.88.8 ± 0.67.4 ± 0.5
cND3.2 ± 0.2a4.6 ± 0.3a0 ± 00 ± 01.3 ± 0.1a
cND-Fe3O48.5 ± 0.6abc14.3 ± 1.0abc4.4 ± 0.3abc0 ± 03.7 ± 0.3abc

10Fe3O444.7 ± 3.157.7 ± 4.033.7 ± 2.314.5 ± 1.013.5 ± 0.9
cND5.5 ± 0.4a6.6 ± 0.4a1.4 ± 0.1a1.3 ± 0.1a3.5 ± 0.3a
cND-Fe3O417.3 ± 1.2abc21.4 ± 1.5abc5.7 ± 0.4abc3.5 ± 0.2abc6.0 ± 0.4abc

20Fe3O458.8 ± 4.169.4 ± 4.847.9 ± 3.321.4 ± 1.520.5 ± 1.4
cND7.1 ± 0.5ab8.5 ± 0.6a2.6 ± 0.2a4.0 ± 0.3a5.3 ± 0.4a
cND-Fe3O426.4 ± 1.8abc27.8 ± 2.0abc11.5 ± 0.8abc16.6 ± 1.2abc9.7 ± 0.7abc

(n = 3). The significant variance is shown within the same concentration: aVs. control; bVs.Co; cVs.cND.