Fresh and Cryopreserved leukopaks

Grifols Bio Supplies offers a variety of human leukopaks collected from both Europe (Germany) and the USA, ensuring a broad and reliable supply chain: Fresh leukopaks: These are collected from donors in both Europe and the USA without any further manufacturing steps. Fresh leukopaks are shipped within 24 hours and need to be used immediately. We offer both GMP and RUO grade leukopaks. Cryopreserved leukopaks: These are collected from donors in Europe and cryopreserved approximately 24 hours post-collection. Cryopreserved leukopaks can be stored for extended periods in the gas phase of liquid nitrogen and can be used as needed. We offer RUO cryo leukopaks.