By using Lamda Biotech's line of high-quality biochemicals, achieve consistent results in your molecular biology research. Our products are manufactured and quality tested to the highest standards, so you can be assured of their consistent purity and activity from one experiment and assay to the next, day after day. The 6x DNA Loading Buffer contains 2 dyes - bromophenol blue and xylene cyanol FF, at low concentrations to avoid masking DNA fragments in the sample.