DNA (Deoxyribonucleic Acid), Sodium Salt (Calf Thymus)

Catalog No : USB-D3880
314.95€
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Product name DNA (Deoxyribonucleic Acid), Sodium Salt (Calf Thymus)
Catalog No USB-D3880
Supplier’s Catalog No D3880
Supplier US Biologicals
Source antigen Calf Thymus
Reactivity
Cross reactivity
Applications
Molecular weight
Storage 4°C/-20°C
Other names
Grade Molecular Biology Grade
Purity
Form Supplied as a highly purified dried powder
Reactivity life 12 months
Note For reserch purpose only
Description Specially prepared to be low in protein content but highly polymerized. Suitable as a substrate for deoxyribonuclease. This DNA is an excellent substrate for DNase. A sodium salt, it must be converted by adding magnesium ions to be susceptible to DNase. • Low protein and RNA content • Characterized by a high polymerization factor Source: Calf thymus isolated by the method established by Marmur. Form: Supplied as a highly purified dried powder Hyperchromicity: ≥27% Absorbance Ratio (A260/A280): ≥1.8 Recommended Storage Buffer: 10mM Tris-HCl. pH 8 containing 1mM EDTA (TE Buffer) Quality Control: SDS-PAGE Storage and Stability: Lyophilized powder may be stored at 4°C. Stable for 12 months at 4°C. Reconstitute with sterile buffer. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards:  All products should be handled by qualified personnel only, trained in laboratory procedures.