Nucleic Acid Molecular Weight Markers
Cayman Chemical KB-R7943 (mesylate), Purity: ≥98%, CAS: 182004-65-5, 50 mg
A selective inhibitor of the reverse mode of NCX1 (IC50 = 1.2-2.4 µM) that prevents intracellular sodium-dependent calcium uptake in whole cells; exhibits neuroprotection from glutamate-induced excitotoxicity; inhibits TRPC channels involved in calcium-dependent signal transduction
New England Biolabs, Inc. 50 bp DNA Ladder – 0.1 ml
A number of proprietary plasmids are digested to completion with appropriate restriction enzymes to yield 17 bands suitable for use as molecular weight standards for agarose and polyacrylamide gel electrophoresis. The digested DNA includes fragments ranging from 50-1,350 base pairs. The 200 and 500 base pair bands have increased intensity to serve as reference points. Comes supplied with 1 vial of Gel Loading Dye, Purple (6X), no SDS.
New England Biolabs, Inc. 100 bp DNA Ladder – 0.5 ml
A number of proprietary plasmids are digested to completion with appropriate restriction enzymes to yield 12 bands suitable for use as molecular weight standards for agarose gel electrophoresis. The digested DNA includes fragments ranging from 100-1,517 base pairs. The 500 and 1,000 base pair bands have increased intensity to serve as reference points. Comes supplied with 1 vial of Gel Loading Dye, Purple (6X), no SDS. NEB also offers a Quick-Load version of this ladder with purple dye.
New England Biolabs, Inc. Low Molecular Weight DNA Ladder – 0.5 ml
A proprietary plasmid is digested to completion with appropriate restriction enzymes to yield 11 bands suitable for use as molecular weight standards for both agarose and polyacrylamide gel electrophoresis. This digested DNA includes fragments ranging from 25-766 base pairs. The 200 base pair band has increased intensity to serve as a reference point. Comes supplied with 1 vial of Gel Loading Dye, Purple (6X), no SDS.
Sigma Aldrich Fine Chemicals Biosciences Blue Dextran, 87915-38-6, MFCD00130661, 5 g
Blue dextran is used in affinity chromatography, gel filtration chromatography, protein chromatography and molecular weight markers. Blue dextran has been used to study Alzheimer′s disease. Void volume marker for gel filtration columns, Synonym: Dextran blue from Leuconostoc mesenteroides.
Cayman Chemical kb NB 142-70, Purity: ≥98%, CAS: 1233533-04-4, 50 mg
A selective PKD inhibitor (IC50s = 28.3, 58.7, and 53.2 nM for PKD1, 2, and 3, respectively); inhibits prostate cancer cell migration and invasion, as well as reduces wound healing in vitro.
New England Biolabs, Inc. 50 bp DNA Ladder – 0.5 ml
A number of proprietary plasmids are digested to completion with appropriate restriction enzymes to yield 17 bands suitable for use as molecular weight standards for agarose and polyacrylamide gel electrophoresis. The digested DNA includes fragments ranging from 50-1,350 base pairs. The 200 and 500 base pair bands have increased intensity to serve as reference points. Comes supplied with 1 vial of Gel Loading Dye, Purple (6X), no SDS.
Bioventures Inc DNA SIZING STANDARD
MAPMARKER, 50-1000BP, TMR Labeled (50, 75, 100, 125, 150, 200, 250, 300, 350, 400, 450, 475, 500, 550, 600, 650, 700, 750, 800, 850, 900, 950, 1000bp), 16fmoles/band/ul Concentration
Cayman Chemical KB-R7943 (mesylate), Purity: ≥98%, CAS: 182004-65-5, 5 mg
A selective inhibitor of the reverse mode of NCX1 (IC50 = 1.2-2.4 µM) that prevents intracellular sodium-dependent calcium uptake in whole cells; exhibits neuroprotection from glutamate-induced excitotoxicity; inhibits TRPC channels involved in calcium-dependent signal transduction
New England Biolabs, Inc. TriDye™ 100 bp DNA Ladder – 1.25 ml
TriDye 100 bp DNA Ladder is a pre-mixed, ready-to-load molecular weight marker containing 3 dyes which serve as visual aids to monitor the progress of migration during agarose gel electrophoresis. The DNA ladder consists of proprietary plasmids are digested to completion with appropriate restriction enzymes to yield 12 bands suitable for use as molecular weight standards for agarose gel electrophoresis. The digested DNA includes fragments ranging from 100-1,517 base pairs. The 500 and 1,000 base pair bands have increased intensity to serve as reference points.
New England Biolabs, Inc. PhiX174 DNA-Hae III Digest – 0.05 ml
The HaeIII digest of X174 yields 11 fragments suitable for use as molecular weight standards for agarose gel electrophoresis. Comes supplied with 1 vial of Gel Loading Dye, Purple (6X), no SDS.
Gold Biotechnology Inc 1 kb DNA Ladder 500 µL
A unique combination of a number of proprietary plasmids digested with appropriate restriction enzymes and PCR products to yield 13 fragments, suitable for use as molecular weight standards for agarose gel electrophoresis. The DNA includes fragments ranging from 250-10,000 base pairs. The 1K and 3K bands have increased intensity to serve as reference points. The approximate mass of DNA in each band is provided (0.5 μg a load) for approximating the mass of DNA in comparably intense samples. This ladder is ready-to-use, and premixed with loading buffer dye for direct loading on gel.