1 kb DNA Ladder
Read or write a reviewDNA ladders / 1 kb DNA ladders / Standard-range 1 kb ladders / Ladders requiring loading dye
Ten bands from 1 to 10 kb. Loading buffer is supplied separately and must be added before electrophoresis.
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DNA ladders / 1 kb DNA ladders / Standard-range 1 kb ladders / Ladders requiring loading dye
Ten bands from 1 to 10 kb. Loading buffer is supplied separately and must be added before electrophoresis.
DNA ladders / 1 kb DNA ladders / Standard-range 1 kb ladders / Ready-to-load ladders
Ready-to-load DNA standard with 13 bands spanning 250 to 10000 bp. Tracking dyes are included.

DNA ladders / 1 kb DNA ladders / Standard-range 1 kb ladders / Ready-to-load ladders
DNA ladder for linear fragments from 500 bp to 9 kb, premixed with blue loading dye. Maximum size differs from 10 kb standards.
DNA ladders / 1 kb DNA ladders / Standard-range 1 kb ladders / Ready-to-load ladders
Ten bands from 1 to 10 kb, premixed with loading dye for direct gel loading.

DNA ladders / 1 kb DNA ladders / Extended-range 1 kb ladders / Ladders requiring loading dye
Classification is based on the supplied product name. Confirm formulation, application and compatibility in the manufacturer documentation.
DNA ladders / 1 kb DNA ladders / Extended-range 1 kb ladders / Ladders requiring loading dye
Candidate only. Verify activity, specificity, formulation and protocol compatibility before substitution. Extended-range DNA sizing ladder, 100 bp to 12 kb; bands differ from other 1 kb Plus ladders.

DNA ladders / 1 kb DNA ladders / Extended-range 1 kb ladders / Ready-to-load ladders optimized for precast safe stains
Classification is based on the supplied product name. Confirm formulation, application and compatibility in the manufacturer documentation.
RNA ladders / Single-stranded RNA ladders
Nine RNA bands from 200 to 4000 bases for native or denaturing agarose gels. Lyophilized format requires reconstitution; supplied buffer contains ethidium bromide.
RNA ladders / Low-range single-stranded RNA ladders
Eight single-stranded RNA bands from 100 to 1000 bases, supplied lyophilized with loading buffers. Reconstitution is required; compare gel chemistry and band spacing.
DNA ladders / 100 bp DNA ladders / Standard-range 100 bp ladders / Ladders requiring loading dye
Same application category. Compare formulation, input requirements and protocol before substitution.
DNA ladders / 100 bp DNA ladders / Standard-range 100 bp ladders / Ladders requiring loading dye
Eleven bands from 100 to 1500 bp. Loading buffer is supplied separately and must be added before electrophoresis.
DNA ladders / 100 bp DNA ladders / Extended-range 100 bp ladders / Ready-to-load ladders
Ready-to-load DNA standard with 12 bands spanning 100 to 3000 bp, including tracking dyes. Check the individual bands required for the experiment.

DNA ladders / 100 bp DNA ladders / Standard-range 100 bp ladders / Ready-to-load ladders
DNA ladder covering 100 to 2000 bp, premixed with blue loading dye. Confirm the desired band sizes before substituting.
DNA ladders / 100 bp DNA ladders / Standard-range 100 bp ladders / Ready-to-load ladders
Eleven bands from 100 to 1500 bp, premixed with loading dye for direct gel loading.
DNA ladders / 100 bp DNA ladders / Extended-range 100 bp ladders / Ready-to-load ladders
Thirteen DNA fragments from 100 to 3000 bp, including 1500, 2000 and 3000 bp bands. Ready-to-load extended-range 100 bp sizing standard.
DNA ladders / 100 bp DNA ladders / Extended-range 100 bp ladders / Ready-to-load ladders
Candidate only. Verify activity, specificity, formulation and protocol compatibility before substitution. Twelve fragments from 100 to 3000 bp in premixed loading dye.
DNA ladders / 100 bp DNA ladders / Standard-range 100 bp ladders / Ready-to-load ladders
Eleven DNA fragments spanning 100 to 1500 bp in 1X loading buffer. Compare band pattern and gel conditions before substitution.
DNA ladders / 100 bp DNA ladders / Standard-range 100 bp ladders / Ladders requiring loading dye
Candidate only. Verify activity, specificity, formulation and protocol compatibility before substitution. Eleven fragments 100 to 1500 bp, separate loading dye.
RNA ladders / Small RNA markers
Five single-stranded RNA bands of 14, 18, 22, 26 and 30 bases. Compare size range, loading buffer and gel chemistry.
DNA ladders / 1 kb DNA ladders / Standard-range 1 kb ladders / Ladders requiring loading dye
Candidate only. Verify activity, specificity, formulation and protocol compatibility before substitution. Thirteen DNA fragments from 250 to 10000 bp, separate loading dye.

DNA ladders / 50 bp DNA ladders / Ladders requiring loading dye
Classification is based on the supplied product name. Confirm formulation, application and compatibility in the manufacturer documentation.
DNA ladders / 50 bp DNA ladders / Ready-to-load ladders
Candidate only. Verify activity, specificity, formulation and protocol compatibility before substitution. DNA size ladder supplied premixed with loading dye.
DNA ladders / 50 bp DNA ladders / Ready-to-load ladders
Sixteen bands from 50 to 1500 bp, including 50 bp intervals from 50 to 500 bp. Premixed loading dye; compare upper-range band spacing.
DNA ladders / 50 bp DNA ladders / Ready-to-load ladders
Ready-to-load 50 bp DNA sizing ladder. Compare complete fragment-size pattern before substituting.
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ALTERNATIVE DOES NOT MEAN IDENTICAL
Final groups are designed around experimental substitution requirements. Group membership is provisional until the necessary technical details have been verified for the intended experiment.
Start with your application, then verify the technical requirements against each manufacturer’s documentation.
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