Individual or ladder series of specific length molecular weight markers for use as approximate sizing standards in nucleic acid electrophoresis; available preformulated in loading buffer, prestained, unstained, and customized.
phiX174 replicative form (RF) is a double-stranded circular DNA molecule of 5,386 bases. Used in assays of restriction enzymes for the presence of nickase activity.
Invitrogen TrackIt 100 bp DNA Ladder is ready to use and designed for sizing and approximate quantification of double-stranded DNA in the range of 100 bp to 2,000 bp.
Optimize applications where a custom DNA size standard is required with NoLimits, a collection of 36 chromatography-purified individual DNA fragments ranging from 10 -20,000bp.