If a sample cannot be processed immediately, Freezing at –20°C or –80°C is recommended for long-term storage.
The term “biosafety” refers to the use of specific practices, Proper storage safety equipment, and specially designed buildings to ensure that workers, the community, and the environment are protected from accidental exposure or unintentional release of infectious agents, toxins, and other biological hazards.
An anticoagulant should be added to blood samples that will be stored. For example, blood samples treated with heparin or EDTA can be stored at 2–8°C for a few days or at –20°C or –80°C for a few weeks.
Alternatively, blood samples can be treated with ACD Solution B (0.48% citric acid, 1.32% sodium citrate, 1.47% glucose; use 1 ml per 6 ml blood) and stored for at least 5 days at 2–8°C or 1 month at –20°C. For long-term storage, blood nuclei can be prepared and stored at –20°C.
Therefore, If a sample cannot be processed immediately, Freezing at –20°C or –80°C is recommended for long-term storage.
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