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Star Republic: Guide for Biologists

Storage

For long-term storage of antibody containing supernatant or serum, add sodium azide to the final concentration of 0.1%. Antibodies in general are stable at 4 C for months. Or store at -20 C or -70 C. Aliquot to avoid repeated freeze and thaw.

Purified antibodies are frequently stored in PBS/0.1% sodium azide (or 0.1% sodium azide). Store at 4 C temperaturely or freeze at -20 C or -70 C. Aliquot to avoid repeated freeze and thaw.

Antibodies may also be lyophilized and stored at 4 C to -70 C.