DNA/RNA concentration from A260

Note

Concentration = 0.5 × 50 µg/mL × 10 = 250 µg/mL (ng/µL). Reliable mainly for A260 between about 0.1 and 1.0.

Reference: A260 of 1.0 ≈ 50 µg/mL dsDNA, 33 µg/mL ssDNA, 40 µg/mL RNA (1 cm path). Always follow your approved SOP and current pharmacopoeia.