DNA Ladders
Key Features & Benefits
- Exact Fragment Sizing: Available in multiple ranges (e.g., 10 bp to 10 kb+) to fit specific experimental requirements.
- Enhanced Reference Bands: Specific bands have higher intensities for quick, at-a-glance molecular weight orientation (e.g., 1000 bp and 3000 bp bands).
- Ready-To-Use Formulations: Pre-mixed with tracking dyes and, in some cases, fluorescent dyes or density reagents so they are loaded directly into the gel.
- Approximate Quantification: Each band contains an exact, known mass of DNA, allowing users to estimate the concentration of their target samples by comparing band intensities.
Product Description
A DNA ladder is a specialized molecular weight marker consisting of purified DNA fragments of known lengths. Run alongside unknown samples during agarose or polyacrylamide gel electrophoresis, it provides a critical size standard. Laboratories use it to accurately size and approximate the mass of DNA fragments.
