Frequently Asked Questions FBS FAQ What exactly is serum? What is the age range criteria for animal serum? What are the alternatives to using FBS? Find out more > Human AB Serum FAQ What is Human AB Serum? How is it collected? How many donors contribute to a lot of human serum? Find out more > Human Platelet Lysate FAQ What is hPL? How is it collected? What are the benefits to using hPL instead of FBS? Find out more > Petaka FAQ What types of cells can I culture in the Petaka ™? How do I preserve cells at ambient temperature in the Petaka ™? Should I culture with the Petaka ™ in an upright or horizontal configuration? Find out more >