Thermo Scientific⢠GeneRuler⢠and O'GeneRuler⢠DNA ladders are mixtures of chromatography-purified individual DNA fragments. The GeneRuler⢠line includes the most popular ladders, such as the 100 bp and 1 kb DNA Ladder. GeneRuler⢠DNA ladders are available in two formats: Conventional (provided in TE buffer) and a ready-to-use format (premixed with 6X DNA Loading Dye which contains bromophenol blue and xylene cyanol FF). O'GeneRuler⢠DNA ladders are another ready-to-use version of GeneRuler⢠DNA ladders that are premixed with 6X Orange DNA Loading Dye.
- Universal ladders for DNA sizing and quantiļ¬cationācover broad range of DNA molecular weights and provide DNA amount per band
- Sharp bands, bright reference bands
- Supplied with loading dye for sample DNA
- Ready-to-use ladders are stable for 6 months at room temperature
GeneRuler⢠1 kb, 100 bp, and 50 bp DNA ladders are recommended for sizing and approximate quantification of a wide range of double-stranded DNA on agarose gels. GeneRuler⢠DNA low range and high range ladders are best for sizing and approximate quantification of double-stranded DNA at low and high DNA size ranges.
OāGeneRuler⢠DNA ladders are premixed with 6X Orange DNA Loading Dye, which contains xylene cyanol FF and orange G. In a 1% agarose gel orange G dye migrates at 50 bp. Therefore, OāGeneRuler⢠DNA ladders are ideal to use when visualisation of small DNA fragments is important.