Pel-Freez Biologicals produces high quality raw materials and intermediates for biological research and diagnostic manufactur ... ing. Our products include lyophilized tissue powders, serum products, plasma, blood complement, tissues, antibodies, and other biological raw materials. Diagnostic companies use our raw materials to develop FDA approved products, and Pel-Freez continues to manufacture products in collaboration with leading medical research universities worldwide. Please "Follow" our company for research and product updates as well as for staying in contact with our researchers and staff members. read more