A260 to A280 Ratio

**Semantic type:** Molecular Biology Research Technique

**Definition:** An assessment of nucleic acid purity that is measured by determining the ratio of light absorbance of the nucleic acid sample at 260nm and 280nm respectively.

**Synonyms:** - A260/A280 Ratio - A260/A280 Ratio - A260:A280 - A260A280 - a260 a280 ratio - a260_a280_ratio