85-1339-95　DNA (Deoxyribonucleic Acid), Sodium Salt (Calf Thymus) 1g　CAS No:73049-39-5　D3880

特徴

• 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.