Table 2. Spectrophotometer results obtained from extracted DNA using different kits; Blood DNA extraction kit (current study), Gentra Puregene Blood Kit (Gentra, Minneapolis, MN) and Dr. GenTLE® system (Takara, Osaka, Japan).
| OD260/OD230 ratio | OD260/OD280 ratio | DNA concentration (ng/ µl) | Sample type | Company | Kit name |
| 2.3 | 1.84 | 1630 | Frozen | ARMAN GENE TAJHIZ | Blood DNA Extraction |
| 2.2 | 1.85 | 2342 | Fresh | ||
| 2.5 | 1.90 | 1015 | Clotted | ||
| 2.3 | 1.83 | 0865 | Dried | ||
| 2.0 | 1.90 | 1013 | Frozen | QIAGEN | Gentra Puregene Blood |
| 2.1 | 1.83 | 1506 | Fresh | ||
| 2.0 | 1.80 | 0030 | Clotted | ||
| N/A | N/A | N/A | Dried | ||
| 1.89 | 1.66 | 0300 | Frozen | TAKARA | Dr. GenTLE® System |
| 1.93 | 1.74 | 0600 | Fresh | ||
| N/A | N/A | N/A | Clotted | ||
| N/A | N/A | N/A | Dried |