DNA Markers & Ladders Selection Tool

NEB offers a variety of DNA ladders with sizes ranging from 10 bp to 48.5 kb for use in DNA gel electrophoresis, including standard agarose and polyacrylamide (PAGE) electrophoresis. NEB also offers various conventional double-stranded DNA molecular weight markers with sizes up to 23 kb and markers for pulsed-field gel electrophoresis (PFGE) ranging from 1.5 to 1,018 kb. NEB DNA ladders are available in standard formats and in a variety of convenient, ready-to-load formats.