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Propidium iodide (PI) is widely used in conjunction with Annexin V to determine if cells are viable, apoptotic, or necrotic through differences in plasma membrane integrity and permeability. The Annexin V/PI protocol is a commonly used approach for studying apoptotic cells. PI is used more often than other nuclear stains because it is economical, stable and a good indicator of cell viability, based on its capacity to exclude dye in living cells.

高纯度、高活性、低内毒素、高批间一致性

-25~-15℃保存，收到货之日起，有效期1年。复溶后， -85~-65℃保存，3个月有效期。避免反复冻融。