Nucleic Acid Controls
Sigma Aldrich Fine Chemicals Biosciences DNA Calf Thymus activated
DNA (Calf Thymus)Nonmethylated DNA (at a concentration of 500 mug/ml) for preparation of molecular weight markers. Methylated DNA and nonmethylated DNA (at a concentration of 500 mug/ml) for determining methylation sensitivity of restriction enzymes. High-quality DNAs from viral and eukaryotic sources used for preparation of assay reagents. Activated calf thymus DNA at 25 A260 mu/ml (treated briefly with DNase I)-for preparing substrate used in the study of DNA polymerases.
Medchemexpress LLC GalNac-siRNA negative control | 97.0% | 10 MG
GalNac-siRNA negative control (21nt) is a GalNAc-conjugated, 21-nucleotide non-targeting siRNA supplied as a solid white to off-white powder for use as a negative control in liver-directed RNA interference research. The oligonucleotide includes a GalNAc ligand for asialoglycoprotein receptor (ASGPR)-mediated hepatocyte delivery. Sequence: SS: UUCUCCGAACGUGUCACGUTT; AS: ACGUGACACGUUCGGAGAATT.
- 21-nucleotide non-targeting siRNA.
- GalNAc conjugation enables ASGPR-mediated liver delivery.
- Intended for use as a negative control in RNAi experiments.
- Purity approximately 97.0%.
- Physical state: solid, white to off-white.
- Storage: -20°C; in solvent -80°C (6 months) or -20°C (1 month).
- Available in small-scale pack sizes such as 1 mg, 5 mg, 10 mg, and 50 mg.
